Method for fabricating optical quality molds with precision micr

Details Method for fabricating optical quality molds with precision micr Method for fabricating optical quality molds with precision micr

1994-12-02

1996-11-19

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Including step of mold making

216 24, 216107, 216108, 264219, 362 31, 362330, B29D 1100

Patent

active

055759629

ABSTRACT:
Optical quality molds and mold inserts include an optically flat substrate, a layer of material applied to the substrate and one or more depressions in a predetermined pattern formed in the layer of material applied to the substrate. The depth of the depressions are precisely determined by the thickness of the layer applied to the substrate. By contacting the mold with resin in a fluid state, a component is fabricated having microfeatures formed monolithically thereon.

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patent: 5298117 (1994-03-01), Hanson et al.
patent: 5348616 (1994-09-01), Hartman et al.
patent: 5389313 (1995-02-01), Imataki et al.

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