Fabrication of liquid crystal devices

Details Fabrication of liquid crystal devices Fabrication of liquid crystal devices

1973-09-27

1976-02-17

Kendall, Ralph S.

Metal working

Method of mechanical manufacture

Assembling or joining

29592, 350160LC, 427124, 427126, 427166, 427109, 428 1, C23C 1302

Patent

active

039382427

ABSTRACT:
A layer of unoxidized metal is provided on surfaces of the device in such manner as to possess an oriented microstructure capable of causing sympathetic alignment of the liquid crystal molecules. The metal layer is thereafter heated in the presence of oxygen, preferably in a device envelope sealing process, to oxidize the metal layer. The metal oxide layer is stable, in that it retains the molecular aligning characteristic, and is more transparent than the metal layer.

REFERENCES:
patent: 2907672 (1959-10-01), Irland et al.
patent: 3207937 (1965-09-01), Hannam
patent: 3578844 (1971-05-01), Churchill et al.
patent: 3625591 (1971-12-01), Freiser et al.
patent: 3731986 (1973-05-01), Fergason
Janning, John L., "Thin Film Surface Orientation for Liquid Crystals," Applied Physics Letters, Vol. 21, No. 4, Aug. 15, 1972, pp. 173, 174.

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