Process for producing microstructure metallic elements
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United States of America Patent
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Mar 26, 1996
Grant Date -
N/A
app pub date -
Mar 10, 1994
filing date -
Mar 12, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A microstructured mold with at least one open cavity is produced from a solid body (metal, ceramic, glass, stone or monocrystalline material) by precision mechanical machining, additive or subtractive structuring. The cavity is filled and the mold covered by a flowable material and the solidified flowable material is separated from the mold giving a microstructure element. Alternatively, the top portion of the solidified flowable material is removed to expose the surface of the mold and the solidified material filling the cavity. A layer of conductive material is applied to the exposed surface and remaining solidified material. Then the conductive layer and the remaining solidified material are separated from the mold to provide a structure with a shape complementary to the mold. A layer of metal is electrodeposited on the complementary structure and, finally, the metal layer is separated to produce a metallic microstructure element. The microstructure elements produced by the process have good material properties and can be prepared in a broad range of shapes and structures.
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