Claims
- 1. A method of depositing a patterned thin film on a fibrous substrate comprising the steps of:
providing said fibrous substrate having a length, a surface area, a cross-section, and an axis perpendicular to said cross-section, providing means for shadow masking, positioning said fibrous substrate in a masked position relative to said means for shadow masking, and depositing a thin film material on at least a portion of said surface area of said fibrous substrate.
- 2. The method of claim 1, wherein said step of depositing a thin film material comprises depositing a multi-layer thin film material.
- 3. The method of claim 1, wherein said fibrous substrate comprises a substantially circular cross-section.
- 4. The method of claim 3, wherein the diameter of said cross-section is between approximately 1 micron and approximately one-quarter inch.
- 5. The method of claim 1, wherein said fibrous substrate comprises an elliptical cross-section.
- 6. The method of claim 5, wherein a diameter of said cross-section is between approximately 1 micron and approximately one-quarter inch.
- 7. The method of claim 1, wherein said fibrous substrate comprises a substantially rectangular cross-section.
- 8. The method of claim 7, wherein a side of said cross-section is between approximately 1 micron and approximately five inches.
- 9. The method of claim 1, wherein said fibrous substrate comprises a ribbon-like substrate.
- 10. The method of claim 1, wherein said cross-section is dynamic.
- 11. The method of claim 10, wherein said dynamic cross section comprises variations along said length of said fibrous substrate.
- 12. The method of claim 10, wherein said dynamic cross section comprises variations in time.
- 13. The method of claim 1, wherein said fibrous substrate is a means for one or more functions selected from a group consisting of
thermal insulation, thermal conduction, electrical insulation, electrical conduction, charge storage, magnetic field storage, optical transmission, shadowing, data transmission, data storage, provision of structural rigidity, provision of structural flexibility, provision of static structural shape, provision of dynamic structural shape, provision of tensile strength, provision of compressive strength, electromagnetic energy absorption, electromagnetic energy reflection, liquid absorption, liquid transmission, liquid storage, gas absorption, gas transmission, gas storage, fuel absorption, fuel transmission, and fuel storage.
- 14. The method of claim 1, wherein said fibrous substrate comprises copper.
- 15. The method of claim 14, wherein said fibrous substrate comprises a diameter of approximately 100 microns.
- 16. The method of claim 1, wherein said fibrous substrate comprises Iconel 600.
- 17. The method of claim 16, wherein said fibrous substrate comprises a diameter of approximately 100 microns.
- 18. The method of claim 1, wherein said fibrous substrate comprises an optical fiber.
- 19. The method of claim 18, wherein said optical fiber comprises a diameter of approximately 100 microns.
- 20. The method of claim 1, wherein said fibrous substrate comprises a material selected from a group consisting of glass, ceramic, sapphire, polymer, metal, metal alloy, carbon, semiconductor, shape memory alloy, and polished naturally occurring fibers.
- 21. The method of claim 20, wherein said polished naturally occurring fibers comprise a material selected from a group consisting of wool, cotton, hemp, and wood.
- 22. The method of claim 1, wherein said fibrous substrate comprises a length of between one inch and four feet.
- 23. The method of claim 1, wherein said fibrous substrate comprises a length greater than four feet.
- 24. The method of claim 23, wherein said fibrous substrate comprises a length greater than 100 feet.
- 25. The method of claim 23, wherein said fibrous substrate comprises a length greater than 1000 feet.
- 26. The method of claim 1, wherein said step of providing a fibrous substrate comprises providing a means for storing said fibrous substrate.
- 27. The method of claim 26, wherein said means for storing said fibrous substrate comprises a means selected from the group consisting of
a spool, a reel, and a drum.
- 28. The method of claim 26, wherein said step of providing said substrate in a masked position further comprises said means for storing said fibrous substrate.
- 29. The method of claim 1, wherein said positioning said fibrous substrate comprises positioning said substrate co-axially.
- 30. The method of claim 29, wherein said step of positioning said fibrous substrate comprises preventing co-axial motion of said substrate.
- 31. The method of claim 29, wherein said step of positioning said fibrous substrate comprises providing tension in said substrate.
- 32. The method of claim 29, wherein said step of positioning said fibrous substrate comprises providing compression in said substrate.
- 33. The method of claim 29, wherein said step of positioning said fibrous substrate comprises moving said fibrous substrate co-axially.
- 34. The method of claim 33, wherein said step of moving said fibrous substrate co-axially comprises indexing said step of moving said fibrous substrate co-axially.
- 35. The method of claim 34, wherein said step of indexing comprises providing a discrete index.
- 36. The method of claim 35, wherein said discrete index comprises an index equal to the length of the desired patterned thin-film plus a buffer length.
- 37. The method of claim 29, wherein said step of positioning said fibrous substrate comprises rotating said fibrous substrate.
- 38. The method of claim 37, wherein said step of rotating said fibrous substrate comprises rotating said fibrous substrate about said axis of said substrate.
- 39. The method of claim 37, wherein said step of rotating said fibrous substrate comprises rotating said fibrous substrate about an axis parallel to said axis of said substrate.
- 40. The method of claim 37, wherein said step of rotating said fibrous substrate comprises rotating said fibrous substrate about an axis perpendicular to said axis of said substrate.
- 41. The method of claim 29, wherein said step of positioning said fibrous substrate comprises disposing said fibrous substrate in a non-contact position relative to said means for shadow masking.
- 42. The method of claim 29, wherein said step of positioning said fibrous substrate comprises linearly positioning said fibrous substrate.
- 43. The method of claim 29, wherein said step of positioning said fibrous substrate comprises incrementally positioning said fibrous substrate.
- 44. The method of claim 29, wherein said step of positioning said fibrous substrate comprises bi-directionally positioning said fibrous substrate.
- 45. The method of claim 44, wherein said step of bi-directionally positioning said fibrous substrate is accomplished by bi-directionally positioning said means for shadow masking.
- 46. The method of claim 45, wherein said step of bi-directionally positioning said means for shadow masking comprises positioning two or more means for shadow masking independently of one another.
- 47. The method of claim 1, wherein said means for shadow masking comprises a plurality of tubular members.
- 48. The method of claim 47, wherein a pair of said tubular members are separated by a distance.
- 49. The method of claim 48, wherein said distance defines the length of said patterned thin film.
- 50. The method of claim 48, wherein said distance defines the deposition area.
- 51. The method of claim 48, further comprising the step of positioning said members.
- 52. The method of claim 51, wherein said positioning said members comprises indexing said positioning of said members.
- 53. The method of claim 52, wherein said step of indexing comprises continuously indexing said positioning.
- 54. The method of claim 52, wherein said step of indexing comprises discretely indexing said positioning.
- 55. The method of claim 54, wherein said step of discretely indexing said positioning further comprises engaging a first indexing member and a second indexing member mechanically.
- 56. The method of claim 55, wherein said step of discretely indexing said positioning further comprises a plurality of indexed positions.
- 57. The method of claim 55, wherein said step of discretely indexing said positioning further comprises four indexed positions.
- 58. The method of claim 57, wherein a pair of consecutive positions of said four indexed positions comprise an interposition separation of approximately one-quarter inch.
- 59. The method of claim 55, further comprising connecting said first indexing member to said means for shadow masking.
- 60. The method of claim 54, wherein said step of discretely indexing said positioning comprises electronically indexing.
- 61. The method of claim 60, wherein said step of electronically indexing comprises storing an index in a computer readable medium.
- 62. The method of claim 60, wherein said step of electronically indexing comprises an index based on the position of a stepper motor.
- 63. The method of claim 60, wherein said step of electronically indexing further comprises comparing a measured position of said means of shadow masking to a desired position of said means of shadow masking.
- 64. The method of claim 51, further comprising remotely controlling said positioning of said members.
- 65. The method of claim 64, wherein said step of remotely controlling said positioning comprises controlling said positioning pneumatically.
- 66. The method of claim 64, wherein said step of remotely controlling said positioning comprises controlling said positioning using radio frequency controls.
- 67. The method of claim 64, wherein said step of remotely controlling said positioning comprises controlling said position using wired controls.
- 68. The method of claim 1, wherein said step of providing a means for shadow masking comprises providing a tubular member having a plurality of interior diameters.
- 69. The method of claim 1, wherein said step of positioning comprises providing tension in said fibrous substrate.
- 70. The method of claim 1, wherein said step of positioning comprises providing compression in said fibrous substrate.
- 71. The method of claim 1, further comprising
providing a deposition chamber, having an interior surface and an exterior surface, and disposing at least a portion of said fibrous substrate within said deposition chamber.
- 72. The method of claim 71, further comprising controlling pressure within said deposition chamber.
- 73. The method of claim 71, wherein said step of providing said means for shadow masking comprises disposing at least a portion of said means for shadow masking within said deposition chamber.
- 74. The method of claim 71, wherein said step of providing said means for shadow masking comprises attaching said means for shadow masking to said interior surface.
- 75. The method of claim 71, wherein said means for shadow masking comprises said interior surface of said deposition chamber.
- 76. The method of claim 71, wherein said step of providing said deposition chamber comprises providing a plurality of engaged segments.
- 77. The method of claim 76, further comprising adapting a first engaged segment for engagement in a indexed position relative to a second engaged segment.
- 78. The method of claim 76, further comprising rotatably engaging a first engaged segment with a second engaged segment.
- 79. The method of claim 71, comprising providing a plurality of said deposition chambers and disposing at least a portion of said substrate in one or more said deposition chambers.
- 80. The method of claim 79, further comprising disposing a buffer chamber between a pair of deposition chambers.
- 81. The method of claim 1, further comprising patterning said thin film material according to a functional pattern.
- 82. The method of claim 81, wherein said functional pattern comprises a multilayer functional pattern.
- 83. The method of claim 81, wherein said functional pattern comprises a configuration selected from a group consisting of lithium battery configuration, buried lithium battery configuration, lithium-ion battery configuration, buried lithium-ion battery configuration, lithium-free battery configuration, buried lithium-free battery configuration, copper-indiumgallium-selenide photovoltaic cell configuration, and multilayer interconnect configuration.
- 84. The method of claim 1, wherein said step of depositing comprises a deposition technique selected from a group consisting of sputter plasma, electron beam evaporation processing, cathodic arc evaporation, chemical vapor evaporation, chemical vapor deposition, and plasma enhanced chemical vapor deposition.
- 85. The method of claim 1, further comprising a step of patterning said thin film material.
- 86. The method of claim 85, wherein said step of patterning comprises a patterning technique selected from a group consisting of laser ablation, chemical etching, mechanical etching, and photolithographic film masking.
- 87. The method of claim 1, further comprising a step of pre-sputtering prior to said step of depositing a thin film material.
- 88. An apparatus for depositing a patterned thin film on a fibrous substrate comprising:
means for shadow masking, fibrous substrate having a length and a cross-section, disposed in a masked position relative to said means for shadow masking, means for positioning said substrate, and thin film material deposited on an area of said fibrous substrate.
- 89. The apparatus of claim 88, wherein said thin film material comprises a multi-layer thin film material.
- 90. The apparatus of claim 88, wherein said fibrous substrate comprises a substantially circular cross-section.
- 91. The apparatus of claim 90, wherein said cross-section is between approximately 1 micron and approximately one-quarter inch.
- 92. The apparatus of claim 88, wherein said fibrous substrate comprises an elliptical cross-section.
- 93. The apparatus of claim 92, wherein a diameter of said cross-section is between approximately 1 micron and approximately one-quarter inch.
- 94. The apparatus of claim 88, wherein said fibrous substrate comprises a substantially rectangular cross-section.
- 95. The apparatus of claim 94, wherein a side of said cross-section is between approximately 1 micron and approximately five inches.
- 96. The apparatus of claim 88, wherein said fibrous substrate comprises a ribbon-like substrate.
- 97. The apparatus of claim 88, wherein said fibrous substrate comprises a dynamic cross-section.
- 98. The apparatus of claim 97, wherein said dynamic cross section comprises variations along said length of said fibrous substrate.
- 99. The apparatus of claim 97, wherein said dynamic cross section comprises variations over time.
- 100. The apparatus of claim 88, wherein said fibrous substrate is rigid.
- 101. The apparatus of claim 88, wherein said fibrous substrate is flexible.
- 102. The apparatus of claim 88, wherein said fibrous substrate is suitable for use in weaving.
- 103. The apparatus of claim 88, wherein said fibrous substrate is deformable.
- 104. The apparatus of claim 88, wherein said fibrous substrate is elastic.
- 105. The apparatus of claim 88, wherein said fibrous substrate is windable.
- 106. The apparatus of claim 88, wherein said fibrous substrate comprises means for one or more functions selected from a group consisting of
thermal insulation, thermal conduction, electrical insulation, electrical conduction, charge storage, magnetic field storage, optical transmission, shadowing, data transmission, data storage, provision of structural rigidity, provision of structural flexibility, provision of static structural shape, provision of dynamic structural shape, provision of tensile strength, provision of compressive strength, electromagnetic energy absorption, electromagnetic energy reflection, liquid absorption, liquid transmission, liquid storage, gas absorption, gas transmission, gas storage, fuel absorption, fuel transmission, and fuel storage.
- 107. The apparatus of claim 88, wherein said fibrous substrate comprises copper.
- 108. The apparatus of claim 107, wherein said fibrous substrate comprises a diameter of approximately 100 microns.
- 109. The apparatus of claim 88, wherein said fibrous substrate comprises Iconel 600.
- 110. The apparatus of claim 109, wherein said fibrous substrate comprises a diameter of approximately 100 microns.
- 111. The apparatus of claim 88, wherein said fibrous substrate comprises an optical fiber.
- 112. The apparatus of claim 111, wherein said optical fiber comprises a diameter of approximately 100 microns.
- 113. The method of claim 1, wherein said fibrous substrate comprise a material selected from a group consisting of glass, ceramic, sapphire, polymer, metal, metal alloy, carbon, semiconductor, shape memory alloy, and polished naturally occurring fibers.
- 114. The method of claim 113, wherein said polished naturally occurring fibers comprise a material selected from a group consisting of wool, cotton, hemp, and wood.
- 115. The apparatus of claim 88, wherein said fibrous substrate comprises a length of between about one inch to about 4 feet.
- 116. The apparatus of claim 88, wherein said fibrous substrate comprises a length greater than four feet.
- 117. The apparatus of claim 116, wherein said fibrous substrate comprises a length greater than 100 feet.
- 118. The apparatus of claim 116, wherein said fibrous substrate comprises a length greater than 1000 feet.
- 119. The apparatus of claim 88, further comprising means for storing said fibrous substrate.
- 120. The apparatus of claim 119, wherein said means for storing said fibrous substrate comprises a means selected from the group consisting of
a spool, a reel, and a drum.
- 121. The apparatus of claim 119, wherein said means for positioning said substrate further comprise said means for storing said substrate.
- 122. The apparatus of claim 119, further comprising means for separating at least a pair of windings of said substrate about said means for storing said fibrous substrate.
- 123. The apparatus of claim 122, wherein said means for separating comprises a comb-like structure.
- 124. The apparatus of claim 88, wherein said means for positioning said fibrous substrate comprises means for positioning the substrate co-axially.
- 125. The apparatus of claim 124, wherein said means for positioning said fibrous substrate comprises means for preventing co-axial motion.
- 126. The apparatus of claim 124, wherein said means for positioning said fibrous substrate comprises means for providing tension in said substrate.
- 127. The apparatus of claim 124, wherein said means for positioning said fibrous substrate comprises means for providing compression in said substrate.
- 128. The apparatus of claim 124, wherein said means for positioning said fibrous substrate comprises means for moving said fibrous substrate co-axially.
- 129. The apparatus of claim 128, wherein said means for moving said fibrous substrate coaxially comprises a means for indexing said means for moving said fibrous substrate coaxially.
- 130. The apparatus of claim 129, wherein said means for indexing comprises a discrete index.
- 131. The apparatus of claim 130, wherein said discrete index comprises an index equal to the length of the desired patterned thin-film plus a buffer length.
- 132. The apparatus of claim 124, wherein said means for positioning said fibrous substrate comprises means for rotating said fibrous substrate.
- 133. The apparatus of claim 132, wherein said means for rotating said fibrous substrate comprises means for rotating said fibrous substrate about its axis.
- 134. The apparatus of claim 132, wherein said means for rotating said fibrous substrate comprises means for rotating said fibrous substrate about an axis parallel to its axis.
- 135. The apparatus of claim 132, wherein said means for rotating comprise a driven axial member, a pair of co-axial semi-members, and means for translating rotational motion from said axial member to said pair of co-axial semi-members.
- 136. The apparatus of claim 132, wherein said means for rotating said fibrous substrate comprises means for rotating said fibrous substrate about an axis perpendicular to its axis.
- 137. The apparatus of claim 124, wherein said means for positioning said fibrous substrate comprises a means for providing said fibrous substrate in a non-contact position relative to said means for shadow masking.
- 138. The apparatus of claim 124, wherein said means for positioning said fibrous substrate comprises linear means for positioning said fibrous substrate.
- 139. The apparatus of claim 124, wherein said means for positioning said fibrous substrate comprises incremental means for positioning said fibrous substrate.
- 140. The apparatus of claim 124, wherein said means for positioning said fibrous substrate comprises bi-directional means for positioning said fibrous substrate.
- 141. The apparatus of claim 140, wherein said means for positioning said fibrous substrate comprise means for bi-directionally positioning said means for shadow masking.
- 142. The apparatus of claim 141, wherein said means for bi-directionally positioning said means for shadow masking comprises means for moving two or more said means for shadow masking independently of one another.
- 143. The apparatus of claim 88, wherein said means for shadow masking comprises a tubular member having an interior diameter and an exterior diameter.
- 144. The apparatus of claim 143, wherein said tubular member further comprises a machined slot.
- 145. The apparatus of claim 144, wherein said machined slot comprises a single piece.
- 146. The apparatus of claim 144, wherein said machined slot comprises a plurality of pieces which may be removably engaged to define said slot.
- 147. The apparatus of claim 143, wherein said interior diameter comprises a shape selected from a group consisting of square, round, elliptical, and rectangular.
- 148. The apparatus of claim 147, wherein said interior diameter further comprises a conical counterbore.
- 149. The apparatus of claim 143, wherein said interior diameter comprises a diameter that is between about 0.001 inches and 0.100 inches greater than said cross-section of said fibrous substrate.
- 150. The apparatus of claim 143, wherein said interior diameter comprises a first dimension that is between about 0.001 inches and 0.100 inches greater than a first dimension of said cross-section of said fibrous substrate.
- 151. The apparatus of claim 150, wherein said interior diameter further comprises a second dimension that is between about 0.001 inches and 0.100 inches greater than the sum of the second dimensions of a plurality of said fibrous substrates.
- 152. The apparatus of claim 88, wherein said means for shadow masking comprises a plurality of tubular members.
- 153. The apparatus of claim 152, wherein a pair of said members are separated by a distance.
- 154. The apparatus of claim 153, wherein said distance defines the shape of said patterned thin film.
- 155. The apparatus of claim 153, wherein said distance defines the deposition area.
- 156. The apparatus of claim 153, further comprising means for positioning said members.
- 157. The apparatus of claim 156, wherein said means for positioning said members comprises means for indexing said positioning said members.
- 158. The apparatus of claim 157, wherein said means for indexing comprises a means for continuously indexing said positioning.
- 159. The apparatus of claim 157, wherein said means for indexing comprises a means for discretely indexing said positioning.
- 160. The apparatus of claim 159, wherein said means for discretely indexing said positioning comprises the mechanical engagement of a first indexing member and a second indexing member.
- 161. The apparatus of claim 160, wherein said means for discretely indexing said positioning further comprises a plurality of indexed positions.
- 162. The apparatus of claim 160, wherein said means for discretely indexing said positioning further comprises four indexed positions.
- 163. The apparatus of claim 162, wherein a pair of consecutive positions of said four indexed positions comprise an interposition separation of approximately one-quarter inch.
- 164. The apparatus of claim 160, wherein said first indexing member is connected to said means for shadow masking.
- 165. The apparatus of claim 159, wherein said means for discretely indexing said positioning comprises an electronic index.
- 166. The apparatus of claim 165, wherein said electronic index comprises an index stored in a computer readable medium.
- 167. The apparatus of claim 165, wherein said electronic index comprises an index based on the position of a stepper motor.
- 168. The apparatus of claim 165, wherein said electronic index further comprises a means of comparing a measured position of said means of shadow masking to a desired position of said means of shadow masking.
- 169. The apparatus of claim 156, further comprising means for remotely controlling said positioning said members.
- 170. The apparatus of claim 169, wherein said means for remotely controlling said positioning comprises pneumatic controls.
- 171. The apparatus of claim 169, wherein said means for remotely controlling said positioning comprises radio frequency controls.
- 172. The apparatus of claim 169, wherein said means for remotely controlling said positioning comprises wired controls.
- 173. The apparatus of claim 88, wherein said means for shadow masking comprises a tubular member having a plurality of interior diameters.
- 174. The apparatus of claim 88, wherein said means for positioning comprises means for providing tension in said fibrous substrate.
- 175. The apparatus of claim 88, wherein said means for positioning comprises means for providing compression in said fibrous substrate.
- 176. The apparatus of claim 88, further comprising a deposition chamber, having an interior surface and an exterior surface, within which interior surface at least a portion of said fibrous substrate is disposed.
- 177. The apparatus of claim 176, further comprising means for controlling pressure within said deposition chamber.
- 178. The apparatus of claim 176, wherein said means for shadow masking is disposed within said deposition chamber.
- 179. The apparatus of claim 176, wherein said means for shadow masking is attached to said interior surface.
- 180. The apparatus of claim 176, wherein said means for shadow masking comprises said interior surface of said deposition chamber.
- 181. The apparatus of claim 176, wherein said deposition chamber comprises a plurality of engaged segments.
- 182. The apparatus of claim 181, wherein a first engaged segment is adapted for engagement in a indexed position relative to a second engaged segment.
- 183. The apparatus of claim 181, wherein a first engaged segment is in rotatable engagement with a second engaged segment.
- 184. The apparatus of claim 176, comprising a plurality of said deposition chambers having at least a portion of said substrate disposed in one or more said deposition chambers.
- 185. The apparatus of claim 184, further comprising a buffer chamber disposed between a pair of deposition chambers.
- 186. The apparatus of claim 88, wherein said thin film material comprises a material selected from a group consisting of a metal, a metallic alloy, an intermetallic compound, an electronically conducting oxide, a semi-conducting oxide, an electronically conducting nitride, a semi-conducting nitride, an electronically conducting oxynitride, a semi-conducting oxynitride, an electronically conducting carbide, a semi-conducting carbide, electronically conducting partially sp2-hybridized carbon, semi-conducting partially sp2-hybridized carbon, III-V semi-conductor compounds, II-VI semi-conductor compounds, an electronically conducting organic polymeric compound, a semi-conducting organic polymeric compound, an electronically insulating oxide, an electronically insulating nitride, an electronically insulating oxynitride, an electronically insulating carbide, an electronically insulating partially sp3-hybridized carbon, an electronically insulating chalcogenide, an electronically insulating halide, and an electronically insulating organic polymeric compound.
- 187. The apparatus of claim 88, wherein said thin film material is arranged in a functional pattern.
- 188. The apparatus of claim 187, wherein said functional pattern comprises a multi-layer functional pattern.
- 189. The apparatus of claim 187, wherein said functional pattern is selected from a group consisting of lithium battery configuration, buried lithium battery configuration, lithium-ion battery configuration, buried lithium-ion battery configuration, lithium-free battery configuration, buried lithium-free battery configuration, copper-indium-gallium-selenide photovoltaic cell configuration, and multilayer interconnect configuration.
- 190. The apparatus of claim 88, wherein said depositing comprises depositing by means of a technique selected from a group consisting of sputter plasma, electron beam evaporation processing, cathodic arc evaporation, chemical vapor evaporation, chemical vapor deposition, and plasma enhanced chemical vapor deposition.
- 191. The apparatus of claim 88, further comprising means for performing additional patterning of said functional pattern.
- 192. The apparatus of claim 191, wherein said means for additional patterning comprise a technique selected from a group consisting of laser ablation, chemical etching, mechanical etching, and photolithographic film masking.
Government Interests
[0001] This invention may have been made with Government support under Contract No. N00014-00-C-0479 awarded by the Office of Naval Research. The Government may have certain rights in this invention.
Provisional Applications (1)
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Number |
Date |
Country |
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60318320 |
Sep 2001 |
US |