Method for manufacturing a liquid crystal display device

Details Method for manufacturing a liquid crystal display device Method for manufacturing a liquid crystal display device

1993-09-30

1995-12-26

Powell, William

Etching a substrate: processes

Forming or treating article containing a liquid crystal...

216 39, C30B 3300

Patent

active

054779731

ABSTRACT:
The present invention provides a method of forming a LCD in which the dissolution layer can be dissolved without the use of a strong etchant. The method according to the present invention uses alternating insulating layers and dissolution layers that are formed of different polymer resins. The polymer resin used for the insulting layer cannot be dissolved with a predetermined etchant, whereas the polymer resin used for the dissolution layer can be dissolved using the predetermined etchant. The predetermined etchant most advantageously used is water. A specific embodiment of the invention uses arabic rubber as the dissolution layer.

REFERENCES:
patent: 4452826 (1984-06-01), Shields et al.
patent: 4654117 (1987-03-01), Aoki et al.
patent: 4786358 (1988-11-01), Yamazaki et al.

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