Solid state thermioninc refrigerators with elements having at least one barrier segment connected to wire-equivalent segments. The barrier segment has solid state regions that establish a potential energy barrier to electric carriers. This barrier is such that the circulation of a negative electrica
Solid state thermioninc refrigerators with elements having at least one barrier segment connected to wire-equivalent segments. The barrier segment has solid state regions that establish a potential energy barrier to electric carriers. This barrier is such that the circulation of a negative electrical charge from one of such regions to another region experiences an increasing potential energy. Elements can be superconducting or nonsuperconducting. Elements can also include an inverse barrier.
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1. A solid state thermionic refrigerator, comprising:at least one potential barrier segment;a first wire-equivalent segment in electrical communication with said at least one potential barrier segment; anda second wire-equivalent segment in electrical communication with said at least one potential b
1. A solid state thermionic refrigerator, comprising:at least one potential barrier segment;a first wire-equivalent segment in electrical communication with said at least one potential barrier segment; anda second wire-equivalent segment in electrical communication with said at least one potential barrier segment; wherein:said at least one potential barrier segment comprises at least a first solid state region with a first doping level in physical contact with at least a second solid state region with a second doping level;said at least first solid state region and said at least second solid state region establish a potential energy barrier to electric carriers; andsaid at least first solid state region and said at least second solid state region are disposed with respect to each other so that the circulation of a negative electrical charge experiences an increasing potential energy barrier when circulating from one of said at least first solid state region and said second solid state region to the other of said at least first solid state region and said second solid state region. 2. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises a material that provides a barrier height of about 100 meV at room temperature. 3. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises a material that provides a barrier height from about 100 meV to about 200 meV. 4. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises at least one of a Shottky barrier, a semiconductor heterojunction barrier, a resonant tunneling barrier, a fractional contact barrier, and a variable doping barrier. 5. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises a cermet. 6. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises at least one of a dielectric barrier and a vacuum barrier. 7. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises HgSe. 8. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises HgSe:Fe quantum wells. 9. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises an alloy-type material. 10. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises in n*n barrier. 11. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises an n*p junction. 12. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment is characterized by an energy barrier height in the range from about 2 k B T to about 7 k B T, where k B is the Boltzman constant and T is the potential barrier segment temperature. 13. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment is characterized by an energy barrier height in the range from about 4 k B T to about 5 k B T, where k B is the Boltzman constant and T is the potential barrier segment temperature. 14. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises a material for which the energy barrier height increases as the temperature increases. 15. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises a plurality of n*n barriers. 16. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises at least one n*n barriers and at least one n*p junction. 17. A solid state thermionic refrigerator as in claim 1, wherein at least one of said first wire-equivalent and said seco nd wire-equivalent segments comprises n-type doped InSb. 18. A solid state thermionic refrigerator as in claim 1, wherein at least one of said first wire-equivalent and said second wire-equivalent segments comprises mercury cadmium telluride, Hg 1−x Cd x Te, where x is within the range from about 0.14 to about 0.2. 19. A solid state thermionic refrigerator as in claim 1, wherein at least one of said first wire-equivalent and said second wire-equivalent segments comprises mercury cadmium telluride, Hg 1−x Cd x Te, where x is within the range from about 0.14 to about 0.2, with n-type dopant at a concentration of about 10 17 cm −3 . 20. A solid state thermionic refrigerator as in claim 1, wherein at least one of said first wire-equivalent and said second wire-equivalent segments comprises bismuth, Bi. 21. A solid state thermionic refrigerator as in claim 1, wherein at least one of said first wire-equivalent and said second wire-equivalent segments comprises bismuth, Bi, with n-type dopant at a concentration in the range from about 10 17 cm −3 to about 2.5×10 19 cm −3 . 22. A solid state thermionic refrigerator as in claim 1, wherein at least one of said first wire-equivalent and said second wire-equivalent segments comprises a superconductor. 23. A solid state thermionic refrigerator as in claim 1, wherein at least one of said first wire-equivalent and said second wire-equivalent segments comprises a high T c superconductor. 24. A solid state thermionic refrigerator as in claim 1, wherein said first wire-equivalent segment and said second wire-equivalent segment comprise the same material. 25. A solid state thermionic refrigerator as in claim 1, wherein at least one of said first wire-equivalent and said second wire-equivalent segments comprises at least one of a metal, semimetal, electric conductor, and semiconductor. 26. A solid state thermionic refrigerator as in claim 1, wherein said first wire-equivalent segment has a first length, l 1 , said second wire-equivalent segment has a second length, l 2 , and wherein said at least one potential barrier segment contacts said first wire-equivalent segment at a first potential barrier segment side, said at least one potential barrier segment contacts said second wire-equivalent segment at a second potential barrier segment side, said first potential barrier segment side and said second potential barrier segment side are separated by a barrier length, and said barrier length is not greater than 10 −3 l 1 and not greater than 10 −3 l 2 . 27. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises a first potential barrier segment and a second potential barrier segment, and said first potential barrier segment is electrically connected to said second potential barrier segment by an ohmic contact. 28. A solid state thermionic refrigerator as in claim 1, wherein said at least one potential barrier segment comprises a first potential barrier segment and a second potential barrier segment, said first potential barrier segment is electrically connected to said second potential barrier segment by an ohmic contact, said first wire equivalent segment is configured for an electric connection with an exterior circuit, and said second wire equivalent segment is configured for another electrical connection with an exterior circuit. 29. A solid state thermionic refrigerator as in claim 27, whereinat least one of said first potential barrier segment and said second potential barrier segment comprise a plurality of potential barrier regions;each one of said plurality of potential barrier regions comprises at least a first solid state barrier region with a first doping level in physical contact with at least a second solid state potential barrier region with a second doping level;said at least first solid state potential barrier region and said at least second solid state po tential barrier region establish a potential energy barrier to electric carriers; andsaid at least first solid state potential barrier region and said at least second solid state potential barrier region are disposed with respect to each other so that the circulation of a negative electrical charge experiences an increasing potential energy barrier when circulating from one of said at least first solid state potential barrier region and said second solid state potential barrier region to the other of said at least first solid state potential barrier region and said second solid state potential barrier region. 30. A solid state thermionic refrigerator as in claim 28, whereinat least one of said first potential barrier segment and said second potential barrier segment comprises a plurality of barrier regions; wherein:each one of said plurality of potential barrier regions comprises at least a first solid state potential barrier region with a first doping level in physical contact with at least a second solid state potential barrier region with a second doping level;said at least first solid state potential barrier region and said at least second solid state potential barrier region establish a potential energy barrier to electric carriers; andsaid at least first solid state potential barrier region and said at least second solid state potential barrier region are disposed with respect to each other so that the circulation of a negative electrical charge experiences an increasing potential energy barrier when circulating from one of said at least first solid state potential barrier region and said second solid state potential barrier region to the other of said at least first solid state potential barrier region and said second solid state potential barrier region. 31. A solid state thermionic refrigerator as in claim 1, whereinsaid at least one potential barrier segment comprises a first barrier segment and a second potential barrier segment;said first wire equivalent segment is electrically connected to a first inverse potential barrier segment, said second wire-equivalent segment is electrically connected to a second inverse potential barrier segment, wherein said inverse potential barrier segment comprises at least a first solid state inverse barrier region and a second solid state inverse barrier region disposed with respect to each other so that the circulation of a negative electrical charge experiences a decreasing potential energy barrier when circulating from one of said at least first solid state inverse barrier region and said second solid state inverse barrier region to the other of said at least first solid state inverse barrier region and said second solid state inverse barrier region;said first inverse potential barrier segment and said second inverse potential barrier segment are in electrical communication through an ohmic contact;said first potential barrier segment is configured for an electric connection with an exterior circuit; andsaid second potential barrier segment is configured for another electrical connection with an exterior electrical circuit. 32. A solid state thermionic refrigerator as in claim 31, whereinat least one of said first potential barrier segment and said second potential barrier segment comprises a plurality of potential barrier regions;each one of said plurality of potential barrier regions comprises at least a first solid state barrier region with a first doping level in physical contact with at least a second solid state barrier region with a second doping level;said at least first solid state barrier region and said at least second solid state barrier region establish a potential energy barrier to electric carriers; andsaid at least first solid state barrier region and said at least second solid state barrier region are disposed with respect to each other so that the circulation of a negative electrical charge experiences an increasing potential energy barrier when circulating from one of said at least first solid state barrier region and said second solid state barrier region to the other of said at least first solid state barrier region and said second solid state barrier region. 33. A solid state thermionic refrigerator as in claim 31, whereinat least one of said first inverse potential barrier segment and said second inverse potential barrier segment comprises a plurality of inverse barrier regions;each one of said plurality of inverse barrier regions comprises at least a first solid state inverse barrier region with a first doping level in physical contact with at least a second solid state inverse barrier region with a second doping level;said at least first solid state inverse barrier region and said at least second solid state inverse barrier region establish a potential energy barrier to electric carriers; andsaid at least first solid state inverse barrier region and said at least second solid state inverse barrier region are disposed with respect to each other so that the circulation of a negative electrical charge experiences a decreasing potential energy barrier when circulating from one of said at least first solid state inverse barrier region and said second solid state inverse barrier region to the other of said at least first solid state inverse barrier region and said second solid state inverse barrier region. 34. A solid state thermionic refrigerator with a two-sided thermal circuit, comprising:finite number N of elements E i , 1≦i≦N, each of said elements E i having:at least one potential barrier segment B i , andat least one wire equivalent segment W i in contact with said at least one potential barrier segment B i at a barrier contact BC i , wherein:each of said wire-equivalent segment W i has a terminal end T i opposite to said barrier contact BC i ;each said at least one potential barrier segment B i comprises at least a first solid state region with a first doping level in physical contact with at least a second solid state region with a second doping level;said at least first solid state region and said at least second solid state region establish a potential energy barrier to electric carriers;said at least first solid state region and said at least second solid state region are disposed with respect to each other so that the circulation of a negative electrical charge experiences an increasing potential energy barrier when circulating from one of said at least first solid state region and said second solid state region to the other of said at least first solid state region and said second solid state region;each said element E j , 2≦j≦N−1, has a connectivity with neighboring elements such that:terminal end T j is in electrical communication through a hot ohmic contact with terminal end T j−1 , wherein said hot ohmic contact is located between T j and T j−1 , but T j is not in direct electrical communication through an ohmic contact directly connecting T j with T j+1 ;potential barrier segment B j is in electrical communication through a cold ohmic contact with potential barrier segment B j+1 , wherein said cold ohmic contact is located between B j and B j+1 , but B j is not in direct electrical communication through an ohmic contact directly connecting B j with B j−1 ;elements E 1 and E 2 are in electrical communication with each other through an ohmic contact; elements E N−1 and E N are in electrical communication with each other through an ohmic contact; and elements E 1 and E N are configured for electrical communication with an exterior electrical circuit. 35. A solid state thermionic refrigerator as in claim 34, wherein N=9. 36. A solid state thermionic refrigerator as in claim 34, wherein N is in the range from 3 to 100. 37. A solid state thermionic refrigerator as in claim 34, wherein N is in the range from 3 to 50. 38. A solid state thermionic refrigerator as in claim 34, wher ein N is in the range from 3 to 20. 39. A solid state thermionic refrigerator as in claim 34, wherein each one of said terminal ends T i , 1≦i≦N, is an end of each corresponding wire-equivalent segment W i . 40. A solid state thermionic refrigerator as in claim 34, wherein at least one of said terminal ends T i , 1≦i≦N, comprises an inverse potential barrier segment IB i such that each said at least one inverse potential barrier segment IB i comprises:at least a first solid state inverse region with a first doping level in physical contact with at least a second solid state inverse region with a second doping level, whereinsaid at least first solid state inverse region and said at least second solid state inverse region establish a potential energy barrier to electric carriers, andsaid at least first solid state inverse region and said at least second solid state inverse region are disposed with respect to each other so that the circulation of a negative electrical charge experiences a decreasing potential energy barrier when circulating from one of said at least first solid state inverse region and said second solid state inverse region to the other of said at least first solid state inverse region and said second solid state inverse region. 41. A solid state thermionic refrigerator as in claim 34, wherein each one of said terminal ends T i , 1≦i≦N, comprises an inverse potential barrier segment IB i such that each said at least one inverse potential barrier segment IB i comprises:at least a first solid state inverse region with a first doping level in physical contact with at least a second solid state inverse region with a second doping level, whereinsaid at least first solid state inverse region and said at least second solid state inverse region establish a potential energy barrier to electric carriers, andsaid at least first solid state inverse region and said at least second solid state inverse region are disposed with respect to each other so that the circulation of a negative electrical charge experiences a decreasing potential energy barrier when circulating from one of said at least first solid state inverse region and said second solid state inverse region to the other of said at least first solid state inverse region and said second solid state inverse region. 42. A solid state superconducting thermionic refrigerator, comprising:at least one first tier comprising a finite number N of elements E i , 1≦i≦N; andat least one second tier comprising a finite number M of superconducting elements SE j , 1≦j≦M; whereineach of said elements E i has:at least one potential barrier segment B i , andat least one wire equivalent segment W i in contact with said at least one potential barrier segment B i at a barrier contact BC i , wherein:each of said wire-equivalent segment W i has a terminal end T i opposite to said barrier contact BC i ;each said at least one potential barrier segment B i comprises at least a first solid state region with a first doping level in physical contact with at least a second solid state region with a second doping level;said at least first solid state region and said at least second solid state region establish a potential energy barrier to electric carriers;said at least first solid state region and said at least second solid state region are disposed with respect to each other so that the circulation of a negative electrical charge experiences an increasing potential energy barrier when circulating from one of said at least first solid state region and said second solid state region to the other of said at least first solid state region and said second solid state region;each said element E i′ , 2≦i′≦N−1, has a connectivity with neighboring elements such that:terminal end T i′ is in electrical communication through a hot ohmic contact with terminal end T i′& #x2212;1 , wherein said hot ohmic contact is located between T i′ and T i′−1 , but T i′ is not in direct electrical communication through an ohmic contact directly connecting T i′ with T i′+1; potential barrier segment B i′ is in electrical communication through a cold ohmic contact with potential barrier segment B i′+1 , wherein said cold ohmic contact is located between B i′ and B i′+1 , but B i′ is not in direct electrical communication through an ohmic contact directly connecting B i′ with B i′−1 ;elements E 1 and E 2 are in electrical communication with each other through an ohmic contact; elements E N−1 and E N are in electrical communication with each other through an ohmic contact; and elements E 1 and E N are configured for electrical communication with an exterior electrical circuit; andeach of said superconducting elements SE j has:at least one potential barrier segment SB j , andat least one superconducting wire equivalent segment SW j in contact with said at least one potential barrier segment SB j at a superconducting barrier contact SBC j , wherein:each said at least one potential barrier segment SB j comprises at least a first solid state region with a first doping level in physical contact with at least a second solid state region with a second doping level;each of said superconducting wire equivalent segment SW j has a superconducting terminal end ST j opposite to said superconducting barrier contact SBC j ;said at least first solid state region and said at least second solid state region establish a potential energy barrier to electric carriers;said at least first solid state region and said at least second solid state region are disposed with respect to each other so that the circulation of a negative electrical charge experiences an increasing potential energy barrier when circulating from one of said at least first solid state region and said second solid state region to the other of said at least first solid state region and said second solid state region;each said superconducting element SE j′ , 2≦j′≦M−1, has a connectivity with neighboring elements such that:superconducting terminal end ST j′ is in electrical communication through a superconducting element hot ohmic contact with superconducting terminal end ST j′−1 , wherein said superconducting element hot ohmic contact is located between ST j′ and ST j′−1 , but ST j′ is not in direct electrical communication through an ohmic contact directly connecting ST j′ with ST j′+1 ;potential barrier segment SB j′ is in electrical communication through a superconducting element cold ohmic contact with SB j′+1 , wherein said superconducting element cold ohmic contact is located between SB j′ and SB j′+1 , but SB j′ is not in direct electrical communication through an ohmic contact directly connecting SB j′ with SB j′−1 ;superconducting elements SE 1 and SE 2 are in electrical communication with each other through an ohmic contact; superconducting elements SE N− 1 and SE N are in electrical communication with each other through an ohmic contact; and superconducting elements SE 1 and SE N are configured for electrical communication with an exterior electrical circuit; andsaid superconducting element hot ohmic contacts are separated from said cold ohmic contacts by a separator that is in contact with said superconducting element hot ohmic contacts and with said cold ohmic contacts. 43. A solid state superconducting thermionic refrigerator as in claim 42, wherein each one of said terminal ends T i , 1≦i≦N, is an end of each corresponding wire-equivalent segment W i . 44. A solid state superconducting thermionic refrigerator as in claim 42, wherein N=9. 45. A solid state superconducting thermionic refrigerator as in claim 42, wherein N is in the range from 3 to 100. 46. A solid state superconducting thermionic refrigerator as in claim 42, wherein each one of said superconducting terminal ends ST j , 1≦j≦M, is an end of each corresponding superconducting wire-equivalent segment SW j . 47. A solid state superconducting thermionic refrigerator as in claim 42, wherein M=6. 48. A solid state superconducting thermionic refrigerator as in claim 42, wherein M is in the range from 3 to 100. 49. A solid state superconducting thermionic refrigerator as in claim 42, wherein said separator comprises a material that is a thermal conductor and an electrical insulator. 50. A solid state superconducting thermionic refrigerator as in claim 42, wherein said separator comprises aluminum nitride. 51. A solid state superconducting thermionic refrigerator as in claim 42, wherein at least one of said superconducting terminal ends ST j , 1≦j≦M, comprises an inverse potential barrier segment SIB j such that each said at least one inverse potential barrier segment SIB j comprises:at least a first solid state inverse region with a first doping level in physical contact with at least a second solid state inverse region with a second doping level, whereinsaid at least first solid state inverse region and said at least second solid state inverse region establish a potential energy barrier to electric carriers, andsaid at least first solid state inverse region and said at least second solid state inverse region are disposed with respect to each other so that the circulation of a negative electrical charge experiences a decreasing potential energy barrier when circulating from one of said at least first solid state inverse region and said second solid state inverse region to the other of said at least first solid state inverse region and said second solid state inverse region. 52. A solid state superconducting thermionic refrigerator as in claim 42, wherein each one of said superconducting terminal ends ST j , 1≦j≦M, comprises an inverse potential barrier segment SIB j such that each said at least one inverse potential barrier segment SIB j comprises:at least a first solid state inverse region with a first doping level in physical contact with at least a second solid state inverse region with a second doping level, whereinsaid at least first solid state inverse region and said at least second solid state inverse region establish a potential energy barrier to electric carriers, andsaid at least first solid state inverse region and said at least second solid state inverse region are disposed with respect to each other so that the circulation of a negative electrical charge experiences a decreasing potential energy barrier when circulating from one of said at least first solid state inverse region and said second solid state inverse region to the other of said at least first solid state inverse region and said second solid state inverse region. 53. A solid state superconducting thermionic refrigerator as in claim 42, wherein at least one of said terminal ends T i , 1≦i≦N, comprises an inverse potential barrier segment IB i such that each said at least one inverse potential barrier segment IB i comprises:at least a first solid state inverse region with a first doping level in physical contact with at least a second solid state inverse region with a second doping level, whereinsaid at least first solid state inverse region and said at least second solid state inverse region establish a potential energy barrier to electric carriers, andsaid at least first solid state inverse region and said at least second solid state inverse region are disposed with respect to each other so that the circulation of a negative electrical charge experiences a decreasing potential energy barrier when circulating from one of said at least firs t solid state inverse region and said second solid state inverse region to the other of said at least first solid state inverse region and said second solid state inverse region. 54. A solid state superconducting thermionic refrigerator as in claim 42, wherein each one of said terminal ends T i , 1≦i≦N, comprises an inverse potential barrier segment IB i such that each said at least one inverse potential barrier segment IB i comprises:at least a first solid state inverse region with a first doping level in physical contact with at least a second solid state inverse region with a second doping level, whereinsaid at least first solid state inverse region and said at least second solid state inverse region establish a potential energy barrier to electric carriers, andsaid at least first solid state inverse region and said at least second solid state inverse region are disposed with respect to each other so that the circulation of a negative electrical charge experiences a decreasing potential energy barrier when circulating from one of said at least first solid state inverse region and said second solid state inverse region to the other of said at least first solid state inverse region and said second solid state inverse region. 55. A solid state superconducting thermionic refrigerator, comprising:at least one first tier comprising a finite number N of elements E i , 1≦i≦N; andat least one second tier comprising a finite number M of superconducting elements SE j , 1≦j≦M; whereineach of said elements E i has:at least one potential barrier segment B i , andat least one wire equivalent segment W i in contact with said at least one barrier segment B i at a barrier contact BC i , wherein:each of said wire-equivalent segment W i has a terminal end T i opposite to said barrier contact BC i ;each said at least one potential barrier segment B i comprises at least a first solid state region with a first doping level in physical contact with at least a second solid state region with a second doping level;said at least first solid state region and said at least second solid state region establish a potential energy barrier to electric carriers;said at least first solid state region and said at least second solid state region are disposed with respect to each other so that the circulation of a negative electrical charge experiences an increasing potential energy barrier when circulating from one of said at least first solid state region and said second solid state region to the other of said at least first solid state region and said second solid state region;wherein N=2, and E 1 and E 2 are in electrical communication with each other through an ohmic contact and E 1 and E 2 are configured for electrical connection with an exterior electrical circuit; andeach of said superconducting elements SE j has:at least one potential barrier segment SB j , andat least one superconducting wire equivalent segment SW j in contact with said at least one potential barrier segment SB j at a superconducting barrier contact SBC j , wherein:each said at least one potential barrier segment SB j comprises at least a first solid state region with a first doping level in physical contact with at least a second solid state region with a second doping level;each of said superconducting wire equivalent segment SW j has a superconducting terminal end ST j opposite to said superconducting barrier contact SBC j ;said at least first solid state region and said at least second solid state region establish a potential energy barrier to electric carriers;said at least first solid state region and said at least second solid state region are disposed with respect to each other so that the circulation of a negative electrical charge experiences an increasing potential energy barrier when circulating from one of said at least first solid state region and said second solid state region to the other of said at lea st first solid state region and said second solid state region;each said superconducting element SE j′ , 2≦j′≦M−1, has a connectivity with neighboring elements such that:superconducting terminal end ST j is in electrical communication through a superconducting element hot ohmic contact with superconducting terminal end ST j′−1 , wherein said superconducting element hot ohmic contact is located between ST j′ and ST j′−1 , but ST j′ is not in direct electrical communication through an ohmic contact directly connecting ST j′ with ST j′+1 ;potential barrier segment SB j′ is in electrical communication through a superconducting element cold ohmic contact with SB j′+1 , wherein said superconducting element cold ohmic contact is located between SB j′ and SB j′+1 , but SB j′ is not in direct electrical communication through an ohmic contact directly connecting SB j with SB j′−1 ;superconducting elements SE 1 and SE 2 are in electrical communication with each other through an ohmic contact; superconducting elements SE M−1 and SE M are in electrical communication with each other through an ohmic contact; and superconducting elements SE 1 and SE M are configured for electrical communication with an exterior electrical circuit; andsaid superconducting element hot ohmic contacts are separated from said cold ohmic contacts by a separator that is in contact with said superconducting element hot ohmic contacts and with said cold ohmic contacts. 56. A solid state superconducting thermionic refrigerator, comprising:at least one first tier comprising a finite number N of elements E i , 1≦i≦N; andat least one second tier comprising a finite number M of superconducting elements SE j , 1≦j≦M; whereineach of said elements E i has:at least one potential barrier segment B i , and at least one wire equivalent segment W i in contact with said at least one potential barrier segment B i at a barrier contact BC i , wherein:each of said wire-equivalent segment W i has a terminal end T i opposite to said barrier contact BC i ;each said at least one potential barrier segment B i comprises at least a first solid state region with a first doping level in physical contact with at least a second solid state region with a second doping level;said at least first solid state region and said at least second solid state region establish a potential energy barrier to electric carriers;said at least first solid state region and said at least second solid state region are disposed with respect to each other so that the circulation of a negative electrical charge experiences an increasing potential energy barrier when circulating from one of said at least first solid state region and said second solid state region to the other of said at least first solid state region and said second solid state region;each said element E i′ , 2≦i′≦N−1, has a connectivity with neighboring elements such that:terminal end T i is in electrical communication through a hot ohmic contact with terminal end T i′−1 , wherein said hot ohmic contact is located between T i′ and T i′−1 , but T i′ is not in direct electrical communication through an ohmic contact directly connecting T i′ with T i′+1 ;potential barrier segment B i is in electrical communication through a cold ohmic contact with potential barrier segment B i′+1 , wherein said cold ohmic contact is located between B i′ and B i′+1 , but B i′ is not in direct electrical communication through an ohmic contact directly connecting B i′ with B i′−1 ;elements E 1 and E 2 are in electrical communication with each other through an ohmic contact; elements E N−1 and E N a re in electrical communication with each other through an ohmic contact; and elements E 1 and E N are configured for electrical communication with an exterior electrical circuit; andeach of said superconducting elements SE j has:at least one potential barrier segment SB j , andat least one superconducting wire equivalent segment SW j in contact with said at least one potential barrier segment SB j at a superconducting barrier contact SBC j , wherein:each said at least one potential barrier segment SB j comprises at least a first solid state region with a first doping level in physical contact with at least a second solid state region with a second doping level;each of said superconducting wire equivalent segment SW j has a superconducting terminal end ST j opposite to said superconducting barrier contact SBC j ;said at least first solid state region and said at least second solid state region establish a potential energy barrier to electric carriers;said at least first solid state region and said at least second solid state region are disposed with respect to each other so that the circulation of a negative electrical charge experiences an increasing potential energy barrier when circulating from one of said at least first solid state region and said second solid state region to the other of said at least first solid state region and said second solid state region;wherein M=2, and SE 1 and SE 2 are in electrical communication with each other through an ohmic contact, and SE 1 and SE 2 are configured for electrical connection with and exterior electrical circuit; andsaid superconducting element hot ohmic contacts are separated from said cold ohmic contacts by a separator that is in contact with said superconducting element hot ohmic contacts and with said cold ohmic contacts.
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