Method for manufacturing a mold having an embossed cavity surfac

Details Method for manufacturing a mold having an embossed cavity surfac Method for manufacturing a mold having an embossed cavity surfac

1997-03-05

1998-05-26

Young, Christopher G.

Radiation imagery chemistry: process, composition, or product th

Including control feature responsive to a test or measurement

101 31, 216 9, B31F 107

Patent

active

057562431

ABSTRACT:
A method for manufacturing a mold includes the steps of machining at least a portion of a cavity surface at a controlled roughness, and embossing the machined portion of the cavity surface with a specified embossment having a specified depth, wherein the ratio of the roughness to the depth of the embossment is controlled to be at a particular value. The value is smaller than 0.6, and preferably is about 0.2.

REFERENCES:
patent: 4321105 (1982-03-01), Melonio et al.
patent: 4619804 (1986-10-01), Leonard et al.
patent: 5256360 (1993-10-01), Li
patent: 5480763 (1996-01-01), Kondo et al.

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