Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1989-05-22
1990-08-28
Bovernick, Rodney B.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
350417, 427162, 430322, G02B 100, G02B 2700
Patent
active
049520261
ABSTRACT:
There is disclosed an optical element having a pattern of raised optical elements integral with a surface thereof, and a metal coating selectively covering the surface intermediate the optical elements to form a mask optically isolating the elements. Several methods of producing such metal coating are disclosed that employ conventional photoresist materials and means of applying and removing such materials. Also, a modified element, that is adapted to use in a liquid crystal display device, and methods of producing such modified element are disclosed.
REFERENCES:
patent: 2564709 (1951-08-01), Mochel
patent: 2628160 (1953-02-01), Stookey
patent: 4273826 (1981-06-01), McCollister et al.
patent: 4425501 (1984-01-01), Stauffer
patent: 4518222 (1985-05-01), Borrelli et al.
patent: 4572611 (1986-02-01), Bellman et al.
Borrelli, Morse, Bellman and Morgan, "Photolytic Technique for Producing Microlenses in Photo-Sensitive Glass," Applied Optics, vol. 24, No. 16, 8/15/85.
Bellman Robert H.
Borrelli Nicholas F.
Raeder Bruce H.
Bovernick Rodney B.
Corning Incorporated
Janes Clinton S.
Parsons David R.
Peterson Milton M.
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