Work holders – With fluid means – Vacuum-type holding means
Patent
1986-12-23
1988-11-15
Schmidt, Frederick R.
Work holders
With fluid means
Vacuum-type holding means
269 58, 269 71, 269233, 269289R, 269289MR, 269315, B25B 1100
Patent
active
047843772
ABSTRACT:
A ceramic substrate is held in position, while being processed, by vacuum. The substrate is positioned on an intermediate plate and held down by a vacuum. The intermediate plate is supported on an air bearing while being moved into correct location on a support member, after which the intermediate plate is held in position by a vacuum. The locating of the intermediate plate can be caused to move into position during movement of the support member to a processing position. Typical processing is the screen printing of circuits and other features.
REFERENCES:
patent: 4183545 (1980-01-01), Daly
patent: 4201374 (1980-05-01), Gras
Hartman Judy J.
Northern Telecom Limited
Schmidt Frederick R.
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