Layered barrier structure having one or more definable layers and method
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-006/12
H01M-006/04
출원번호
US-0031217
(2005-01-06)
등록번호
US-7494742
(2009-02-24)
발명자
/ 주소
Tarnowski,Dave J.
Jenson,Mark L.
출원인 / 주소
Cymbet Corporation
대리인 / 주소
Lemaire,Charles A.
인용정보
피인용 횟수 :
27인용 특허 :
172
초록▼
A system provides an environmental barrier also useful for providing a circuit, for example, one having a thin-film battery such as one that includes lithium or lithium compounds connected to an electronic circuit. An environmental barrier is deposited as alternating layers, at least one of the laye
A system provides an environmental barrier also useful for providing a circuit, for example, one having a thin-film battery such as one that includes lithium or lithium compounds connected to an electronic circuit. An environmental barrier is deposited as alternating layers, at least one of the layers providing a smoothing, planarizing, and/or leveling physical-configuration function, and at least one other layer providing a diffusion-barrier function. The layer providing the physical-configuration function may include a photoresist, a photodefinable, an energy-definable, and/or a maskable layer. The physical-configuration layer may also be a dielectric. A layered structure, including a plurality of pairs of layers, each pair including a physical configuration layer and a barrier layer with low gas-transmission rates, may be used in reducing gas transmission rate to beyond currently detectable levels.
대표청구항▼
We claim: 1. An apparatus comprising: a substrate; a first device attached to the substrate; and a layered barrier structure that has a plurality of layers and that seals the first device, wherein the layered barrier structure includes a first physical-configuration layer made of a photodefinable m
We claim: 1. An apparatus comprising: a substrate; a first device attached to the substrate; and a layered barrier structure that has a plurality of layers and that seals the first device, wherein the layered barrier structure includes a first physical-configuration layer made of a photodefinable material having a definable lateral extent that is photodefined after being deposited, and wherein at least one of the layers provides at least one of a smoothing, planarizing, and leveling physical-configuration function, and wherein the layered barrier structure includes a first barrier layer deposited on the first physical configuration layer. 2. An apparatus comprising: a substrate; a first device attached to the substrate; and a layered barrier structure that seals the first device, wherein the layered barrier structure includes a first physical-configuration layer made of a photodefinable material having a definable lateral extent, and wherein the layered barrier structure includes a first barrier layer, wherein the first physical-configuration layer has a lateral extent that is photodefinable. 3. The apparatus of claim 2, wherein the device includes a thin-film battery, and the first physical-configuration layer is deposited using a doctor-blade process. 4. The apparatus of claim 1, wherein the first physical-configuration layer is photoresist and the first barrier layer is aluminum. 5. The apparatus of claim 1, further comprising a substrate barrier structure between the device and the substrate. 6. The apparatus of claim 5, wherein the substrate barrier structure includes a photo-definable layer. 7. The apparatus of claim 6, wherein the substrate barrier structure includes an aluminum diffusion barrier. 8. The apparatus of claim 1, wherein the first device includes a thin-film lithium battery, and the first physical-configuration layer that is laterally limited and covers at least the battery. 9. The apparatus of claim 1, wherein the first barrier layer includes a metal. 10. The apparatus of claim 1, wherein the first barrier layer includes aluminum. 11. The apparatus of claim 1, wherein the first barrier layer includes a ceramic material. 12. The apparatus of claim 1, wherein the first barrier layer also has a definable lateral extent. 13. The apparatus of claim 12, wherein the first device includes a thin-film lithium battery, and the first barrier layer includes a gas barrier layer that is laterally limited but covers at least the battery. 14. The apparatus of claim 12, wherein the first barrier layer is photodefined. 15. The apparatus of claim 14, wherein the first barrier layer provides a circuit-wiring function. 16. The apparatus of claim 1, wherein the barrier layer includes a material having a gas-transmission rate of less than 0.1 ml gas per square meter per day. 17. The apparatus of claim 1, wherein the layered barrier structure further includes a second physical-configuration layer covering the first barrier layer and a second barrier layer covering the second physical-configuration layer. 18. The apparatus of claim 17, wherein the first physical-configuration layer includes photoresist; the first barrier layer includes aluminum; the second physical-configuration layer includes photoresist; and the second barrier layer includes aluminum. 19. The apparatus of claim 18, wherein the second physical-configuration layer has a lateral extent that is photodefined. 20. The apparatus of claim 18, wherein the first barrier layer and the second barrier layer are connected as a capacitor to a circuit. 21. The apparatus of claim 17, further comprising a plurality of alternating physical-configuration layers and barrier layers having defined lateral extents. 22. The apparatus of claim 21, wherein at least one of the plurality of defined alternating layers are electrically connected to an electrical circuit that includes a lithium battery, and wherein the first device sealed by the layered barrier structure includes the lithium battery. 23. The apparatus of claim 21, wherein the plurality of defined alternating layers are connected to form a passive component of an electrical circuit, and wherein the device also forms a portion of the electrical circuit. 24. The apparatus of claim 1, further comprising: a second device attached to the substrate and covered by the layered barrier structure, wherein the layered barrier structure includes a plurality of defined alternating layers are connected to form a passive component of an electrical circuit, and wherein the first and second devices also form portions of the electrical circuit. 25. The apparatus of claim 1, wherein the first physical-configuration layer is photoresist. 26. The apparatus of claim 25, wherein the device includes a thin-film lithium battery, and the first physical-configuration photoresist layer is laterally limited using photolithography to cover at least the battery. 27. The apparatus of claim 26, wherein the first barrier layer forms a circuit-wiring layer. 28. The apparatus of claim 25, wherein the first barrier layer includes metal covering the first physical-configuration photoresist layer. 29. The apparatus of claim 28, wherein the layered barrier structure further includes a second photoresist layer covering the first barrier metal layer and a second metal layer covering the second photoresist layer, wherein the first metal layer and the second metal layer are connected as a capacitor to a circuit of the device. 30. The apparatus of claim 1, wherein the device includes a battery, the apparatus further comprising a circuit electrically coupled to the battery, wherein the circuit includes a processor, a memory, and an input device and an output device. 31. The apparatus of claim 1, wherein the circuit further includes an antenna. 32. The apparatus of claim 1, wherein the first physical-configuration layer is planarized before depositing the first barrier layer. 33. The apparatus of claim 32, wherein the layered barrier structure further includes a second physical-configuration layer covering the first barrier layer and a second barrier layer covering the second physical-configuration layer. 34. The apparatus of claim 33, wherein: the first physical-configuration layer includes photoresist; the first barrier layer includes aluminum; the second physical-configuration layer includes photoresist; and the second barrier layer includes aluminum. 35. The apparatus of claim 32, wherein the first physical-configuration layer is planarized using chemical-mechanical polishing (CMP) to form a plane across less than all of a surface of the first physical-configuration layer. 36. The apparatus of claim 1, wherein the first barrier layer is patterned into a spiral inductive coil. 37. The apparatus of claim 1, wherein the device includes a thin-film battery, and an opening is formed in the first physical-configuration layer and the first barrier layer makes electrical contact the device through the opening. 38. The apparatus of claim 1, wherein the device includes a thin-film battery, and the first physical-configuration layer is deposited using a doctor-blade process. 39. The apparatus of claim 1, wherein the device includes a thin-film battery, and the first physical-configuration layer is deposited as an ink in a printing process. 40. The apparatus of claim 1, wherein the layered barrier structure further includes a photodefined hole in the first physical-configuration layer, and wherein the first barrier layer makes electrical contact to the device through the hole. 41. An apparatus comprising: a substrate; a first device attached to the substrate; and means for sealing the first device, including means for physically configuring a surface of the device, the means for physically configuring the surface of the device made of a photodefinable material having a definable lateral extent that is photodefined after being deposited, and provides at least one of smoothing, planarizing and leveling physical configuration function, that is, and means for blocking gas, deposited on the means for physically configuring the surface of the device. 42. The apparatus of claim 41, wherein the means for physically configuring the surface of the device has a lateral extent that is photodefined. 43. The apparatus of claim 41, wherein: the means for sealing includes a layered barrier structure that seals the first device; the means for physically configuring a surface of the device includes a first physical-configuration layer having a definable lateral extent, and the means for blocking gas includes a first barrier layer. 44. The apparatus of claim 41, wherein the means for physically configuring the surface of the device includes an organic polymer. 45. The apparatus of claim 41, wherein the means for physically configuring the surface of the device includes glass. 46. The apparatus of claim 41, wherein the means for physically configuring the surface of the device includes a semi-solid layer. 47. The apparatus of claim 41, wherein a lateral extent of means for physically configuring the surface of the device is photodefined; wherein the first device attached to the substrate includes a deposited thin-film lithium battery having successive layers deposited on the substrate; and wherein the means for physically configuring the surface of the device is photodefined to cover at least the battery. 48. The apparatus of claim 41, wherein the means for blocking gas includes a metal. 49. The apparatus of claim 41, wherein the means for blocking gas includes aluminum. 50. The apparatus of claim 41, wherein the means for blocking gas includes a ceramic material. 51. A method comprising: providing a substrate having a first device attached to the substrate; and forming a first layered barrier structure that seals the first device, wherein the forming of the layered barrier structure includes depositing a first physical-configuration layer made of a photodefinable material having a definable lateral extent, wherein the first physical-configuration layer provides at least one of a smoothing, planarizing, and leveling physical-configuration function, photodefining the first physical-configuration layer after it is deposited, and depositing a first barrier layer on the first physical-configuration layer. 52. The method of claim 51, further comprising: photodefining a lateral extent of the first physical-configuration layer. 53. The method of claim 51, wherein the depositing of the first physical-configuration layer includes depositing photoresist and the depositing of the first barrier layer includes depositing aluminum. 54. The method of claim 51, wherein the depositing of the first physical-configuration layer includes depositing an organic polymer. 55. The method of claim 51, wherein the depositing of the first physical-configuration layer includes depositing glass. 56. The method of claim 51, wherein the depositing of the first physical-configuration layer includes depositing a semi-solid layer. 57. The method of claim 51, further comprising: photodefining a lateral extent of the first physical-configuration layer; wherein the providing of the substrate having the first device attached to the substrate further includes depositing a thin-film lithium battery in successive layers on the substrate; and wherein the first physical-configuration layer is photodefined to cover at least the battery. 58. The method of claim 51, wherein the depositing of the first barrier layer includes depositing a metal. 59. The method of claim 51, wherein the depositing of the first barrier layer includes depositing aluminum. 60. The method of claim 51, wherein the depositing of the first barrier layer includes depositing a ceramic material. 61. The method of claim 51, wherein the forming of the first layered barrier structure also includes defining a lateral extent of the first barrier layer. 62. The method of claim 61, wherein the providing of the substrate having the first device attached to the substrate further includes depositing a thin-film lithium battery in successive layers on the substrate, and wherein the depositing of the first barrier layer includes depositing a gas barrier layer that is laterally limited but covers at least the battery. 63. The method of claim 51, further comprising photodefining the first barrier layer. 64. The method of claim 63, wherein the photodefining of the first barrier layer includes photodefining a circuit-wiring function. 65. The method of claim 51, wherein depositing of the barrier layer includes depositing a material having a gas-transmission rate of less than 0.1 ml gas per square meter per day. 66. The method of claim 51, wherein the forming of the first layered barrier structure further includes depositing a second physical-configuration layer on the first barrier layer and depositing a second barrier layer on the second physical-configuration layer. 67. The method of claim 66, wherein the depositing of the first physical-configuration layer includes depositing photoresist; the depositing of the first barrier layer includes depositing aluminum; the depositing of the second physical-configuration layer includes depositing photoresist; and the depositing of the second barrier layer includes depositing aluminum. 68. The method of claim 67, further comprising photodefining a lateral extent of the second physical-configuration layer. 69. The method of claim 67, further comprising connecting the first barrier layer and the second barrier layer to form a capacitor connected to a circuit. 70. The method of claim 56, further comprising depositing a plurality of alternating physical-configuration layers and barrier layers, and defining lateral extents of the alternating physical-configuration layers and barrier layers. 71. The method of claim 70, further comprising electrically connecting the plurality of defined alternating layers to an electrical circuit that includes a lithium battery, and wherein the forming of the first layered barrier structure includes sealing the lithium battery. 72. The method of claim 70, wherein the depositing of the plurality of defined alternating layers includes connecting the plurality of defined alternating layers to form a passive component of an electrical circuit, and wherein the device also forms a portion of the electrical circuit. 73. The method of claim 71, further comprising: attaching a second device to the substrate; covering the second device with the first layered barrier structure; and connecting a plurality of defined alternating layers of the first layered barrier structure to form a passive component of an electrical circuit, and connecting the first and second devices to form portions of the electrical circuit. 74. The method of claim 71, wherein the depositing of the first physical-configuration layer includes depositing photoresist. 75. The method of claim 74, wherein the device includes a thin-film lithium battery, and further comprising laterally limiting the first physical-configuration photoresist layer using photolithography to cover at least the battery. 76. The method of claim 75, further comprising configuring the first barrier layer to form a circuit-wiring layer. 77. The method of claim 74, wherein the depositing of first barrier layer includes depositing metal on the first physical-configuration photoresist layer.
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