Solder paste applicator for circuit boards

Details Solder paste applicator for circuit boards Solder paste applicator for circuit boards

1988-12-20

1990-10-09

Beck, Shrive

Coating processes

Electrical product produced

Welding electrode

427 96, 427294, 118410, 118421, 118503, 118 71, 118600, 118612, B05D 312

Patent

active

049619551

ABSTRACT:
A solder paste applicator for applying solder to a selected area of a printed circuit board on which electronic components are mounted. The applicator includes a housing with a plate mounted in one end. The plate has a pattern of holes through it corresponding to the pattern of solder to be applied to the board. The housing has movable legs mounted to the outer surface for positioning the plate a distance from the surface of the board which corresponds to the thickness of the solder to be applied. The solder is held in a reservoir above the patterned plate. A piston is positioned in the housing and is pushed against the reservoir for dispensing the solder.

REFERENCES:
patent: 3088434 (1963-05-01), Sprague
patent: 3194681 (1965-07-01), Nicholson
patent: 4307128 (1981-12-01), Nagano
patent: 4515297 (1985-05-01), Schoenthaler
patent: 4607782 (1986-08-01), Mims
patent: 4622239 (1986-11-01), Schoenthaler
patent: 4636406 (1987-01-01), Leicht
patent: 4677937 (1987-07-01), Tee
patent: 4678169 (1987-07-01), Fishman
patent: 4679526 (1987-07-01), Dziedzic
patent: 4693209 (1987-09-01), Leicht
patent: 4704305 (1987-11-01), Berger
L. A. Willard, "Positive Displacement Dispenser", IBM Technical Disclosure Bulletin, vol. 18, No. 1, Jun. 1975, pp. 66-67.

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