Methods for manufacturing three-dimensional devices and devices created thereby
First Claim
1. A device, comprising:
- a radiation attenuating, cast, monolithic body comprising at least one surface that defines;
a protruding undercut; and
a plurality of 3-dimensional micro-features;
said surface derived from and substantially spatially invertedly replicating a stack lamination mold surface formed by a stacked plurality of metallic foil layers comprised by a stack lamination mold;
wherein said body comprises particles having a size ranging from 1 to 150 microns.
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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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Citations
42 Claims
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1. A device, comprising:
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a radiation attenuating, cast, monolithic body comprising at least one surface that defines; a protruding undercut; and a plurality of 3-dimensional micro-features; said surface derived from and substantially spatially invertedly replicating a stack lamination mold surface formed by a stacked plurality of metallic foil layers comprised by a stack lamination mold; wherein said body comprises particles having a size ranging from 1 to 150 microns. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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Specification