Thermocompression molding of plastic optical elements

Details Thermocompression molding of plastic optical elements Thermocompression molding of plastic optical elements

2006-05-24

2010-12-14

Johnson, Christina (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Applying indicia or design

C264S002400

Reexamination Certificate

active

07850887

ABSTRACT:
Method of forming a plastic element include dispensing a quantity of a liquid precursor material into a first die mold, positioning a carrier tape on the first die mold above the dispensed liquid precursor material, bringing a second die mold into contact with the carrier tape and the first die mold, and applying pressure to the first die mold and the second die mold. The liquid precursor material may include a liquid silicone.

REFERENCES:
patent: 2722720 (1955-11-01), Karniol
patent: 3871803 (1975-03-01), Beattie
patent: 5965069 (1999-10-01), Murata et al.
patent: 03039213 (1991-02-01), None
International Search Report and Written Opinion for PCT/US2007/011166; Oct. 18, 2007.
International Preliminary Report on Patentability for PCT/US2007/01116 dated Sep. 15, 2008.

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