Production of optical elements

Details Production of optical elements Production of optical elements

1996-04-15

1998-10-27

Mosley, Terressa

Stock material or miscellaneous articles

Composite

427160, 427162, 427164, 427169, B32B 904

Patent

active

058276149

ABSTRACT:
A method of making an optical element that includes a thermoplastic power portion, the method including laminating a first thermoplastic sheet to one side of a functional film, laminating a second thermoplastic sheet to a second side of the functional film, and affixing either the first thermoplastic sheet or the second thermoplastic sheet to the power portion, with the other of the first or second thermoplastic sheets being open to atmosphere.

REFERENCES:
patent: 4035527 (1977-07-01), Deeg
patent: 4944584 (1990-07-01), Maeda et al.
patent: 5223862 (1993-06-01), Dasher
patent: 5531940 (1996-07-01), Gupta et al.

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