Plastic article or earthenware shaping or treating: apparatus – Press forming means – press reshaping means – or vulcanizing...
Reexamination Certificate
2006-12-05
2006-12-05
Mackey, James P. (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Press forming means, press reshaping means, or vulcanizing...
C425S365000, C425S810000
Reexamination Certificate
active
07144241
ABSTRACT:
Methods and apparatus for forming microstructures in the surface of polymeric web materials for use as optical memory substrates. The microstructures may be formed by laminating a hot stamper to a web of material with a selective time/temperature profile. The stamper may be heated to melt flow the surface of the web and stabilize before separation. The stamper may be carried by a support that is independent of the press. The web of polymeric material may be provided with a flow enhancer to improve image formation.Also described herein are methods and apparatus for making optical memory modules, such as disks, which include novel stampers, coating applicators, and finishing systems.
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Clark Barry
Gasiorowski Paul
Hennessey Michael
Strand David
Energy Conversion Devices Inc.
Mackey James P.
Schumaker David W.
Siskind Marvin S.
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