Methods for manufacturing three-dimensional devices and devices created thereby
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-033/40
G21K-001/02
B29C-033/00
B23P-015/24
B29C-033/30
B29C-033/38
B29C-039/02
B29C-039/34
B29C-069/00
G03F-007/00
A61B-006/00
G01T-007/00
B29C-033/42
B29C-047/00
B29C-067/00
B29K-083/00
B29L-031/00
출원번호
US-0878482
(2010-09-09)
등록번호
US-8940210
(2015-01-27)
발명자
/ 주소
Appleby, Michael P.
Fraser, Iain
Atkinson, James E.
출원인 / 주소
Mikro Systems, Inc.
대리인 / 주소
Michael Haynes PLC
인용정보
피인용 횟수 :
0인용 특허 :
302
초록▼
In certain exemplary embodiments of the present invention, three-dimensional micro-mechanical devices and/or micro-structures can be made using a production casting process. As part of this process, an intermediate mold can be made from or derived from a precision stack lamination and used to fabric
In certain exemplary embodiments of the present invention, three-dimensional micro-mechanical devices and/or micro-structures can be made using a production casting process. As part of this process, an intermediate mold can be made from or derived from a precision stack lamination and used to fabricate the devices and/or structures. Further, the micro-devices and/or micro-structures can be fabricated on planar or nonplanar surfaces through use of a series of production casting processes and intermediate molds. The use of precision stack lamination can allow the fabrication of high aspect ratio structures. Moreover, via certain molding and/or casting materials, molds having cavities with protruding undercuts also can be fabricated. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. This abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
대표청구항▼
1. A method, comprising: demolding a silicone first cast product from a mold without damage to either the first cast product or the mold, the mold comprising a stacked plurality of micro-machined metallic foil layers that define a protruding undercut and a feature, the first cast product reflecting
1. A method, comprising: demolding a silicone first cast product from a mold without damage to either the first cast product or the mold, the mold comprising a stacked plurality of micro-machined metallic foil layers that define a protruding undercut and a feature, the first cast product reflecting the protruding undercut and the feature, the protruding undercut aligned substantially perpendicularly to a direction in which the first cast product is removable from the mold without damage to the first cast product and without damage to the mold,wherein: contact between the protruding undercut and a surface of the first cast product is released via a force applied in the direction;the surface is spatially reflective of the protruding undercut and located within a plane that is perpendicular to the direction; anda thickness of each micro-machined metallic foil layer of the mold from the plurality of micro-machined metallic foil layers is between 2 micrometers and 100 micrometers. 2. The method of claim 1, wherein: the feature is an isotropic wall. 3. The method of claim 1, wherein: the feature is a sub-cavity. 4. The method of claim 1, wherein: the feature is a sub-cavity in fluid communication with an outer edge of a layer of the mold. 5. The method of claim 1, wherein: the micro-machined layers are lithographically-derived. 6. The method of claim 1, wherein: the micro-machined layers are non-lithographically-derived. 7. The method of claim 1, wherein: the micro-machined layers are formed via laser machining. 8. The method of claim 1, wherein: the micro-machined layers are formed via ion etching. 9. The method of claim 1, wherein: the micro-machined layers are formed via electroplating. 10. The method of claim 1, wherein: the micro-machined layers are formed via vapor deposition. 11. The method of claim 1, wherein: the micro-machined layers are formed via bulk micro-machining. 12. The method of claim 1, wherein: the micro-machined layers are formed via surface micro-machining. 13. The method of claim 1, wherein: the micro-machined layers are formed via conventional machining. 14. The method of claim 1, wherein: the mold is reusable. 15. The method of claim 1, wherein: the feature is an attachment feature adapted to attach said first cast product to a distinct part. 16. The method of claim 1, wherein: the feature is an anisotropic wall. 17. The method of claim 1, wherein: the feature is a non-planar wall. 18. The method of claim 1, wherein: the feature has a substantially triangular cross-section. 19. The method of claim 1, wherein: the feature has a substantially rectangular cross-section.
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