Electronic circuit equipped with redundant or spare circuit elem

Details Electronic circuit equipped with redundant or spare circuit elem Electronic circuit equipped with redundant or spare circuit elem

1990-09-13

1992-05-05

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307443, 307451, 3072021, H03K 1912, H03K 1716

Patent

active

051110601

ABSTRACT:
The redundant system in accordance with the present invention has, in the shift register, one-dimensional switching array, buffer circuit or the like for the peripheral circuits of a liquid crystal display, spare shift registers, switches, buffers or the like for every bit, switch, buffer or the like, and an improvement of the yield is realized by replacing defective circuits by the spare circuits by means of laser beams or the like.

REFERENCES:
patent: 4689494 (1987-08-01), Chen et al.
patent: 4937475 (1990-06-01), Rhodes et al.
Y. Matsueda, et al., "Defect-Free Active Matrix LCD with Redundant Poly-Si TFT Circuit, " SID 89 Digest, pp. 238-241 (1989).

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