Vacuum debubbler machine

Details Vacuum debubbler machine Vacuum debubbler machine

1988-09-30

1989-09-26

Hoag, Willard

Coating apparatus

With vacuum or fluid pressure chamber

118600, 118671, 427350, B05C 309

Patent

active

048691984

ABSTRACT:
A machine for removing bubbles from coated flat substrates, namely PC boards. The machine includes one or more conveyors for transporting the boards into an enclosure and a vacuum platen positioned above the conveyor which, when lowered into contact with the conveyor encloses the board in a plenum. A pump withdraws air from the plenum to create a vacuum and remove any entrained or surface bubbles from the boards.

REFERENCES:
patent: 4144836 (1979-03-01), Bernath
patent: 4385083 (1983-05-01), Shelley
patent: 4418639 (1983-12-01), Wills et al.
patent: 4676884 (1987-06-01), Dimock et al.
patent: 4693777 (1987-09-01), Hazano et al.
patent: 4715319 (1987-12-01), Bringmann et al.
patent: 4791880 (1988-12-01), Aigo
Boudah et al., "Wafer Sensing Bernoulli Head", IBM Tech. Disc. Bul., (vol. 18, No. 8, Jan. 1976).

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