Apparatus for determining the alignment of leads on a body

Details Apparatus for determining the alignment of leads on a body Apparatus for determining the alignment of leads on a body

1984-03-26

1985-11-19

Punter, William H.

Optics: measuring and testing

By polarized light examination

With light attenuation

250223R, 250561, 356385, G01B 1104, G01B 1114

Patent

active

045538433

ABSTRACT:
Apparatus for determining the alignment of leads extending from a body of an integrated circuit package, including an optical system for producing data having information of the spacing between the leads and a data processor for determining the spacing between the leads in response to the data. A package handler sorts the package under control by the data processor.

REFERENCES:
patent: 2185010 (1939-12-01), Young
patent: 3355592 (1967-11-01), Muir
patent: 3856412 (1974-12-01), Zanoni
patent: 4063820 (1977-12-01), Borgese
patent: 4170417 (1979-10-01), Tourres
patent: 4207464 (1980-06-01), Fukuyama et al.
patent: 4264202 (1981-04-01), Gugliotta
patent: 4346294 (1982-08-01), Albaugh et al.
Hojaboom et al, "Automatic Inspection System", IBM Tech. Disc. Bull., 4-1979, pp. 4426-4427.

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