Radiant energy – Irradiation of objects or material – Irradiation of semiconductor devices
Patent
1975-10-06
1976-09-14
Smith, Alfred E.
Radiant energy
Irradiation of objects or material
Irradiation of semiconductor devices
250453, G01T 100
Patent
active
039808890
ABSTRACT:
An article transfer and inspection apparatus comprising chamber-defining means, substantially impermeable to x-rays; and x-ray source for directing x-rays to a first portion of said chamber; feed and extraction conveyor systems individually having at least a portion thereof outside the chamber and respectively serving to introduce and remove an article into and from the chamber, the feed conveyor system being operable at a first speed; an inspection conveyor system located between the feed and extraction conveyor systems and at least partly disposed at the chamber first portion, the inspection conveyor system being operable at a second speed at least equal to the first speed and serving to carry the article through the chamber first portion; and means for converting x-rays passing through the first portion and the article into a visual image.
The apparatus can also include means for achieving a pre-determined spacing between various articles. Also, transfer apparatus for achieving pre-determined spacing between various articles. Also, the circuit for the spacing means.
REFERENCES:
patent: 3075630 (1963-01-01), Fisk
patent: 3452856 (1969-07-01), Brittian
patent: 3488495 (1970-01-01), Schneeman
patent: 3514596 (1970-05-01), Naylor
patent: 3808444 (1974-04-01), Schneeberger
patent: 3832545 (1974-08-01), Bartko
Blaustein Aaron
Haas David J.
Lapof Ray C.
Rudd Chester D.
Schimpf William C.
Anderson B. C.
Nigohosian Leon
North American Philips Corporation
Smith Alfred E.
Trifari Frank R.
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