Electroformed squeegee blade for surface mount screen printing

Details Electroformed squeegee blade for surface mount screen printing Electroformed squeegee blade for surface mount screen printing

1996-05-03

1998-05-05

Yan, Ren

Printing

Stenciling

Traveling-inker machines

101124, 101129, B05C 1704

Patent

active

057461279

ABSTRACT:
A novel electroformed squeegee blade for the uniform deposition of printing material such as solder paste and the like onto printed wiring boards is disclosed. A method of fabricating the electroformed squeegee blade is also disclosed. The method of fabrication, which produces an electroformed squeegee blade having smooth, planar, and flat surfaces, involves electroforming at least one uniform layer of metal onto a conductive substrate and removing the substrate. Also disclosed is an apparatus and method that employ the electroformed squeegee blade to uniformly deposit printing material on printed wiring boards.

REFERENCES:
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patent: 5078082 (1992-01-01), van Dyk Soerewyn
patent: 5254362 (1993-10-01), Shaffer et al.
patent: 5323700 (1994-06-01), Katsuyama et al.
patent: 5357856 (1994-10-01), Hasegawa et al.
patent: 5387044 (1995-02-01), Accardo
patent: 5478699 (1995-12-01), Blessington et al.
Hall, "Developing a Low PPM Defect Level Ultra-Fine Pitch Process, New Technologies for Perfect Printing", User's Guide to More Precise SMT Printing, MPM Corporation, pp. 12-21, (1994).
Freeman, "New Technologies for Perrfect Printing", User's Guide to More Precise SMT Printing, MPM Corporation, pp. 22-29, (1994).

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