Method and apparatus for applying liquid coatings on the surface

Details Method and apparatus for applying liquid coatings on the surface Method and apparatus for applying liquid coatings on the surface

1989-05-15

1991-07-16

Beck, Shrive P.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

4273722, 427294, C23C 2600

Patent

active

050324268

ABSTRACT:
A method and apparatus is provided for applying liquid coatings such as solder masks sequentially to both sides of a printed circuit board substrate whereby only one drying operation would be needed to dry the liquid coatings. An isolation platen having openings corresponding to the coated parts of the board is used to provide a space between the coated part and the opposite side of the platen.

REFERENCES:
patent: 3433888 (1969-03-01), Tally
patent: 3465435 (1969-09-01), Steranko
patent: 4031268 (1977-06-01), Fairbairn
patent: 4436806 (1984-03-01), Rendulic
patent: 4600601 (1986-07-01), Tamura
patent: 4678531 (1987-07-01), Metzger
patent: 4784310 (1988-11-01), Metzger
patent: 4799958 (1989-01-01), Morris

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