Screens for use in a screen printing system

Details Screens for use in a screen printing system Screens for use in a screen printing system

1998-01-12

1999-10-05

Funk, Stephen R.

Printing

Stenciling

Processes

101127, 1011271, B41L 1302

Patent

active

059607122

ABSTRACT:
A disposable screen used in a screen printing system for printing onto electronic devices is formed of a non-metallic material. The screen is patterned from a foil. The material can be selected from a group consisting of plastic, nylon, paper, and resin. A disposable screen is mounted in the screen printing system, after which a paste material (including solder or an adhesive such as polyimide, bismaleimide, or a thermoset or thermoplastic compound) can be printed through the screen to a target structure. The used screen is discarded after one or more uses and a new screen is mounted in the screen printing system. A teaching sheet having a disposable transparent film is also used to set up the screen printing system. The film is detachably attached to a frame. After one or more prints, the used film is detached and replaced with a new film.

REFERENCES:
patent: 4223602 (1980-09-01), Mitter
patent: 4262084 (1981-04-01), Kinney
patent: 4497848 (1985-02-01), Baran
patent: 4566383 (1986-01-01), Matsushita et al.
patent: 4852483 (1989-08-01), Bussard
patent: 5133919 (1992-07-01), Hasegawa et al.
patent: 5334815 (1994-08-01), MacNaughton et al.
patent: 5447757 (1995-09-01), Cairncross et al.
patent: 5478699 (1995-12-01), Blessington et al.
patent: 5686525 (1997-11-01), Maruta et al.
patent: 5759269 (1998-06-01), Cutting et al.
Jennie S. Hwang, Solder Paste in Electronics Packaging, pp. 153-181 (1989).

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