The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 08, 2015

Filed:

Jun. 18, 2008
Applicants:

Michael P. Appleby, Crozet, VA (US);

Iain Fraser, Ruckersville, VA (US);

James E. Atkinson, Charlottesville, VA (US);

Inventors:

Michael P. Appleby, Crozet, VA (US);

Iain Fraser, Ruckersville, VA (US);

James E. Atkinson, Charlottesville, VA (US);

Assignee:

Mikro Systems, Inc., Charlottesville, VA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29C 33/44 (2006.01); G21K 1/02 (2006.01); B29C 33/00 (2006.01); B23P 15/24 (2006.01); B29C 33/30 (2006.01); B29C 33/38 (2006.01); B29C 39/02 (2006.01); B29C 39/34 (2006.01); B29C 69/00 (2006.01); G03F 7/00 (2006.01); A61B 6/00 (2006.01); G01T 7/00 (2006.01); B29C 33/42 (2006.01); B29C 47/00 (2006.01); B29C 67/00 (2006.01); B29K 83/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
G21K 1/02 (2013.01); A61B 6/502 (2013.01); B23P 15/246 (2013.01); B29C 33/0088 (2013.01); B29C 33/302 (2013.01); B29C 33/3842 (2013.01); B29C 39/021 (2013.01); B29C 39/34 (2013.01); B29C 69/001 (2013.01); G01T 7/00 (2013.01); G03F 7/0017 (2013.01); A61B 6/4258 (2013.01); B29C 33/42 (2013.01); B29C 47/003 (2013.01); B29C 67/0051 (2013.01); B29K 2083/00 (2013.01); B29L 2031/756 (2013.01); Y10T 428/31 (2015.01);
Abstract

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.


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