IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0601528
(2006-11-17)
|
등록번호 |
US-7709087
(2010-06-03)
|
발명자
/ 주소 |
- Majidi, Carmel
- Groff, Richard E.
- Fearing, Ronald S.
- Jones, Steven D.
|
출원인 / 주소 |
- The Regents of the University of California
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
32 인용 특허 :
23 |
초록
▼
A fabricated microstructure includes a substrate, a primary fiber, and a plurality of base fibers. The primary fiber has a width less than about 5 microns. Each base fiber of the plurality of base fibers has a first end attached to the primary fiber and a second end attached to the substrate. Each b
A fabricated microstructure includes a substrate, a primary fiber, and a plurality of base fibers. The primary fiber has a width less than about 5 microns. Each base fiber of the plurality of base fibers has a first end attached to the primary fiber and a second end attached to the substrate. Each base fiber has a width less than the width of the primary fiber.
대표청구항
▼
We claim: 1. A fabricated microstructure, comprising: a substrate; a primary fiber having a width less than about 5 microns; and a plurality of base fibers, each base fiber having a first end attached to the primary fiber and a second end attached to the substrate, wherein each base fiber has a wid
We claim: 1. A fabricated microstructure, comprising: a substrate; a primary fiber having a width less than about 5 microns; and a plurality of base fibers, each base fiber having a first end attached to the primary fiber and a second end attached to the substrate, wherein each base fiber has a width less than the width of the primary fiber. 2. The fabricated microstructure of claim 1, wherein the plurality of base fibers is formed as an array attached to the primary fiber. 3. The fabricated microstructure of claim 1, wherein the width of the primary fiber is about ten times larger than the width of each one of the base fibers. 4. The fabricated microstructure of claim 1, wherein the plurality of base fibers and the primary fiber are formed from the same material. 5. The fabricated microstructure of claim 1, wherein the plurality of base fibers permits compliance of the primary fiber. 6. The fabricated microstructure of claim 1, wherein the plurality of base fibers are formed as a first structure, wherein the first structure comprises two parallel sides separated by a gap, and wherein the first structure permits compliance of the primary fiber in a first direction perpendicular to the two parallel sides of the first structure. 7. The fabricated microstructure of claim 6, further comprising: a second structure comprising two parallel sides separated by a gap, wherein the second structure permits compliance of the primary fiber in a second direction perpendicular to the two parallel sides of the second structure, wherein the first and second directions are different. 8. The fabricated microstructure of claim 7, wherein the second structure is stacked on top of the first structure. 9. The fabricated microstructure of claim 8, wherein the two parallel sides of the first structure are oriented perpendicular to the two parallel sides of the second structure, and wherein the first direction is perpendicular to the second direction. 10. The fabricated microstructure of claim 1, further comprising: a plurality of primary fibers arranged in an array, wherein the plurality of base fibers are arranged as an array, and wherein each primary fiber includes an array of base fibers. 11. The fabricated microstructure of claim 10, wherein the array of primary fibers and array of base fibers have area fractions of about 10 to 20 percent of areas with a base fiber or primary fiber to area without a base fiber or primary fiber. 12. A method of fabricating a microstructure having a plurality of micro- or nano-fibers attached to a compliant substrate, comprising: stacking a first porous mold on a second porous mold, wherein the first and second porous molds have different pore sizes, and wherein the first and second porous molds are shaped to form a plurality of primary fibers, each primary fiber having a width less than about 5 microns, and each primary fiber having a plurality of base fibers, wherein each base fiber has a width less than the width of the primary fiber; filling the stacked first and second porous molds with polymer; curing the polymer; after curing the polymer, etching away the first and second porous molds; and cutting the polymer using a cutting beam. 13. A fabricated microstructure, comprising: a substrate; and a micro- or nano-fiber having a base attached to the substrate, wherein the fiber has a width less than about 5 microns, wherein the base includes a first structure, and wherein the first structure comprises two parallel sides separated by a gap, wherein the first structure permits compliance of the fiber at the base in a first direction perpendicular to the two parallel sides of the first structure. 14. The fabricated microstructure of claim 13, wherein the base further includes: a second structure comprising two parallel sides separated by a gap, wherein the second structure permits compliance of the fiber at the base in a second direction perpendicular to the two parallel sides of the second structure, wherein the first and second directions are different. 15. The fabricated microstructure of claim 14, wherein the second structure is stacked on top of the first structure. 16. The fabricated microstructure of claim 15, wherein the two parallel sides of the first structure are oriented perpendicular to the two parallel sides of the second structure, and wherein the first direction is perpendicular to the second direction. 17. The fabricated microstructure of claim 13, wherein the fiber is formed from a polymer with an elastic modulus greater than 500 megapascals. 18. The fabricated microstructure of claim 17, wherein the fiber is formed from epoxy. 19. The fabricated microstructure of claim 13, wherein the substrate is formed from a compliant material. 20. The fabricated microstructure of claim 19, wherein the substrate is formed from a polymer with an elastic modulus less than 10 megapascals. 21. The fabricated microstructure of claim 20, wherein the substrate is formed from silicone rubber. 22. The fabricated microstructure of claim 13, wherein the substrate is formed from a cloth-like material.
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