Television monitoring system for automatically aligning semicond

Details Television monitoring system for automatically aligning semicond Television monitoring system for automatically aligning semicond

1978-11-03

1980-11-11

Martin, John C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

3401463H, 364559, 356400, H04N 700, G01B 1100, G01B 900, G06K 900

Patent

active

042336252

ABSTRACT:
In a system for aligning successive configurations of minute semiconductors during manufacture, any selected configuration is carried on a precision X,Y,.theta. table, which is under the automatic control of (1) a standard television camera that is subject to conventional geometrical and shading distortions, (2) pattern-recognition and motor-control circuitry that corrects these distortions so that precision alignment is possible, and (3) a monitor including a television viewing screen for supervising the system.

REFERENCES:
patent: 3749830 (1973-07-01), Blitchington, Jr.
patent: 3814845 (1974-06-01), Hurlbrink et al.
patent: 3903363 (1975-09-01), Montone et al.
patent: 4131490 (1978-12-01), Oishi et al.
patent: 4148065 (1979-04-01), Nakagawa et al.

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