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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | UP-0906055 (2007-09-27) |
등록번호 | US-7518387 (2009-07-01) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 947 |
A probe measurement system for measuring the electrical characteristics of integrated circuits or other microelectronic devices at high frequencies.
We claim: 1. A probe comprising: (a) a dielectric substrate having a first side and a second side; (b) an elongate conductor suitable to be electrically interconnected to a first signal conductor and comprising a length portion supported by said first side of said substrate and a contact end portio
We claim: 1. A probe comprising: (a) a dielectric substrate having a first side and a second side; (b) an elongate conductor suitable to be electrically interconnected to a first signal conductor and comprising a length portion supported by said first side of said substrate and a contact end portion projecting from said second side of said substrate; and (c) a conductive member suitable to be electrically interconnected to a second signal conductor and supported by said second side of said substrate, said conductive member having a first surface proximate said dielectric substrate and a second surface distal of said dielectric substrate and a dimension coextensive with at least a majority of the length portion of said elongate conductor, said second surface of said conductive member including a contact surface arranged substantially co-planar with and conductively isolated from said contact end portion of said elongate conductor for engagement with a device under test. 2. The probe of claim 1 wherein said substrate is in intimate contact with a portion of said elongate conductor for at least a majority of the thickness of said substrate. 3. The probe of claim 1 wherein said first signal conductor comprises a central conductor of a coaxial cable. 4. The probe of claim 3 wherein said second signal conductor comprises a conductor surrounding said central conductor of said coaxial cable. 5. The probe of claim 4 wherein said substrate is supported by said coaxial cable. 6. The probe of claim 5 wherein said substrate is supported by a shelf of said coaxial cable. 7. The probe of claim 1 wherein said conductive member is substantially planar. 8. The probe of claim 1 wherein said dielectric substrate is semi-flexible. 9. The probe of claim 8 wherein said dielectric substrate is a membrane. 10. The probe of claim 1 wherein said dielectric substrate has a dielectric constant less than 5. 11. The probe of claim 1 wherein said dielectric substrate has a dielectric constant less than 4. 12. The probe of claim 1 wherein said dielectric substrate has a dielectric constant less than 2. 13. The probe of claim 1 wherein said second signal conductor is connected to a ground signal of zero volts. 14. The probe of claim 1 wherein said conductive member covers greater than 50% of said second side of said substrate. 15. The probe of claim 1 wherein said conductive member covers greater than 60% of said second side of said substrate. 16. The probe of claim 1 wherein said conductive member covers greater than 70% of said second side of said substrate. 17. The probe of claim 1 wherein said conductive member covers greater than 80% of said second side of said substrate. 18. The probe of claim 1 wherein said conductive member covers greater than 90% of said second side of said substrate. 19. The probe of claim 1 wherein said conductive member, said elongate conductor, and said substrate collectively form a microstrip transmission structure. 20. The probe of claim 1 wherein said substrate has a thickness less than 40 microns and a dielectric constant less than 7. 21. The probe of claim 1 wherein said conductive member laterally surrounds at least 50% of a portion of said elongate conductor. 22. The probe of claim 1 wherein said conductive member laterally surrounds at least 75% of a portion of said elongate conductor. 23. The probe of claim 1 wherein said conductive member laterally surrounds at least 100% of a portion of said elongate conductor. 24. The probe of claim 1 wherein said contact end portion is in the form of a bump. 25. The probe of claim 1 wherein said contact end portion is in the form of a conductive finger. 26. The probe of claim 1 wherein said substrate has a thickness less than 30 microns. 27. The probe of claim 1 wherein said substrate has a thickness less than 20 microns. 28. A probe comprising: (a) a dielectric substrate supporting a first portion of an elongate conductor on a first side of said substrate and supporting a conductive member on a second side of said substrate wherein said conductive member has a dimension coextensive with at least a majority of a length of said first portion of said elongate conductor and comprises a first surface proximate said substrate and a second surface distal of said substrate, said second surface including a contact surface; (b) a contact conductively interconnected with said elongate conductor through said substrate and conductively isolated from said conductive member, said contact having an end portion arranged substantially co-planar with said contact surface. 29. The probe of claim 28 wherein a portion of said interconnection of said contact and said elongate conductor is in a region within the periphery of said substrate for at least a majority of the thickness of said substrate. 30. The probe of claim 28 wherein said elongate conductor is electrically interconnected to a central conductor of a coaxial cable. 31. The probe of claim 30 wherein said conductive member is electrically connected to a conductor surrounding said central conductor of said coaxial cable. 32. The probe of claim 28 wherein said dielectric substrate is flexible. 33. The probe of claim 32 wherein said dielectric substrate is a membrane. 34. The probe of claim 28 wherein said dielectric substrate has a dielectric constant less than 5. 35. The probe of claim 28 wherein said dielectric substrate has a dielectric constant less than 4. 36. The probe of claim 28 wherein said dielectric substrate has a dielectric constant less than 2. 37. The probe of claim 28 wherein said conductive member covers greater than 50% of said second side of said substrate. 38. The probe of claim 28 wherein said conductive member covers greater than 60% of said second side of said substrate. 39. The probe of claim 28 wherein said conductive member covers greater than 70% of said second side of said substrate. 40. The probe of claim 28 wherein said conductive member covers greater than 80% of said second side of said substrate. 41. The probe of claim 28 wherein said conductive member covers greater than 90% of said second side of said substrate. 42. The probe of claim 28 wherein said conductive member, said elongate conductor, and said substrate collectively form a microstrip transmission structure. 43. The probe of claim 28 wherein said substrate has a thickness less than 30 microns. 44. The probe of claim 28 wherein said substrate has a thickness less than 20 microns. 45. A probe comprising: (a) a dielectric substrate supporting an elongate conductor on a first side of said substrate and supporting a conductive member on a second side of said substrate, said conductive member having a first surface proximate said substrate and a second surface distal of said substrate; (b) a conductive path between said first side of said substrate and said second side of said substrate and interconnected with said elongate conductor; (c) said second surface of said conductive member including a contact surface for engaging a device under test; (d) a contact electrically interconnected to said conductive path for testing said device under test; and (e) a co-axial cable interconnected to said dielectric substrate, wherein said co-axial cable is maintained in a tensioned state when said contact surface and said contact are free from being engaged with said device under test. 46. The probe of claim 45 herein said substrate has a thickness of less than 40 microns with a dielectric constant of less than 7. 47. The probe of claim 45 wherein said conductive path is in a region within the periphery of said substrate for at least a majority of the thickness of said substrate. 48. The probe of claim 45 wherein said elongate conductor is electrically interconnected to a central conductor of said coaxial cable. 49. The probe of claim 45 wherein said conductive member is electrically connected to a conductor surrounding said central conductor of said coaxial cable. 50. A probe comprising: (a) a conductive member supported by a first side of a dielectric substrate and comprising a first surface proximate said dielectric substrate and a second surface distal of said substrate, said second surface including a contact surface; and (b) an elongate conductor including a first portion supported on a second side of said dielectric substrate and a contact end portion protruding proud of said first side of said dielectric substrate a distance less than 150 microns. 51. The probe of claim 50 wherein said contact end portion protrudes proud of said side of said dielectric substrate a distance less than 100 microns. 52. The probe of claim 50 wherein said contact end portion protrudes proud of said side of said dielectric substrate a distance less than 75 microns. 53. The probe of claim 50 wherein said contact end portion protrudes proud of said side of said dielectric substrate a distance less than 55 microns. 54. The probe of claim 50 further comprising a co-axial cable interconnected to said dielectric substrate, wherein said co-axial cable is maintained in a tensioned state when said contact is free from being engaged with said device under test. 55. The probe of claim 50 wherein said substrate has a thickness of less than 40 microns with a dielectric constant of less than 7.
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