Method of making light valve arrays having transversely driven e

Details Method of making light valve arrays having transversely driven e Method of making light valve arrays having transversely driven e

1985-01-14

1986-02-11

Hall, Carl E.

29572, 29825, 29854, 350356, G02F 103

Patent

active

045695733

ABSTRACT:
A light valve array having transversely driven electrooptic gates is disclosed, with the array having a substrate and a plurality of discretely addressable electrooptic gates mounted thereon. Each gate has two spaced parallel surfaces, one of which has an addressable electrode and the other surface is connected to a planar conductive surface on the substrate. When a potential is applied between a gate electrode and the conductive surface of the substrate, a uniform electric field is produced in such gate. The array is mounted in a notch on a circuit board such that the addressable electrodes are in electrical contact with a corresponding plurality of circuit board conductors, and the planar conductive surface is in electrical contact with another circuit board conductor. According to the disclosed method of making these arrays, a stack of plates of electrooptic material is releasably assembled and permanently attached to a stack of plates of substrate material similarly releasably assembled in a manner such that the corresponding plates are aligned edge-to-edge. The attached stacks are machined, metallized to provide the gate electrodes, and then the plates are separated to form a plurality of such transversely driven light valve arrays.

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Butter et al., "Thermoplastic Holographic Recording of Binary Patterns in PLZT Line Composer", IEEE Trans. on Computers, 4-1975, pp. 402-406.

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