Optical device and method

Details Optical device and method Optical device and method

1983-12-08

1985-05-21

Corbin, John K.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

65 33, 65111, 156 84, 350417, 428428, 430295, 430322, G02B 100, G02B 2700, B29C 2700, C03C 2100

Patent

active

045182221

ABSTRACT:
There is disclosed an improved optical device of the type disclosed in application Ser. No. 520,456 and embodying an array of lenses integral with and raised above a crystalline matrix. The improvement comprises an ion-exchanged surface on the lenses wherein the lithium ion from the lens glass is exchanged with a larger monovalent ion, preferably sodium or potassium from a bath, and the contents of such alkali metal ions in the lens are defined by both radial and axial concentration gradients. The device may be heated above the glass strain point to relieve stress and enhance lens power, either simultaneously with or subsequent to the ion exchange.

REFERENCES:
patent: 2628160 (1953-02-01), Stookey

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