Method and apparatus for the aqueous cleaning of populated print

Details Method and apparatus for the aqueous cleaning of populated print Method and apparatus for the aqueous cleaning of populated print

1989-10-06

1992-07-14

Morris, Theodore

Cleaning and liquid contact with solids

Processes

Longitudinally traveling work of bar, strip, strand, sheet...

134 254, 134 32, 134 38, 134 26, 134 72, 134130, 134 67, 134151, 134152, 134184, 134129, 134902, B08B 102, B08B 302, B08B 1102

Patent

active

051299569

ABSTRACT:
A method and apparatus for the aqueous cleaning of a printed circuit board having surface mounted components assembled thereon. The invention involves a heated aqueous solution sprayed under high pressure through a helically-vaned nozzle that is moving rotationally about the plane of a moving printed circuit board. The apparatus accomplishes a thorough cleaning of all components and areas of the printed circuit board with the use of a water based cleaning solution.

REFERENCES:
patent: 2804341 (1957-08-01), Bete
patent: 3177095 (1965-04-01), Gibson
patent: 3432346 (1969-03-01), Hurst
patent: 3483616 (1969-12-01), Shomphe
patent: 3755886 (1973-09-01), Hermann
patent: 3868272 (1975-02-01), Tardoskegyi
patent: 4102350 (1978-07-01), Chelton et al.
patent: 4342425 (1982-08-01), Vickers
patent: 4537639 (1985-08-01), Shook
"Aqueous Cleaning Power" by Janet R. Sterritt, from Printed Circuit Assembly Magazine, Sep., 1989 issue at pp. 26-29.

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