Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Patent
1992-07-02
1993-08-24
Rowan, Kurt C.
Electric lamp or space discharge component or device manufacturi
Process
With assembly or disassembly
1566591, H01J 900
Patent
active
052384357
ABSTRACT:
Liquid crystal display devices having very small cell thicknesses are obtained by means of underetching techniques. Via etching holes (17, 29, 31) an auxiliary layer (27) between a supporting plate (2) and a cover plate (14) is removed. Dependent on the technique used spacers (18) are formed at the area of the etching holes or in between the etching holes. The device obtained has a uniform thickness over large surface areas.
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Fox John C.
Knapp Jeffrey T.
Rowan Kurt C.
U.S. Philips Corporation
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