Method of fabricating plastic mask for paste printing, plastic m

Details Method of fabricating plastic mask for paste printing, plastic m Method of fabricating plastic mask for paste printing, plastic m

1998-12-11

2000-05-16

Watkins, III, William P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428137, 428134, 428136, 428212, 428457, 428220, 101127, 10112821, B32B 324, B50C 1706

Patent

active

060634766

ABSTRACT:
A method of fabricating a plastic mask for paste printing with a plastic sheet being irradiated with an excimer laser beam for forming at least one penetrating opening containing area including at least one through-hole in the plastic sheet is carried out by the steps of bringing a polymer film capable of absorbing at least part of the excimer laser beam into close contact with a back surface of the plastic sheet which is opposite to an excimer laser beam irradiation side thereof which is to be irradiated with the excimer laser beam; forming at least one penetrating opening containing area including at least one through-hole in the plastic sheet by irradiating the excimer laser beam irradiation side thereof with the excimer laser beam; and removing the polymer film from the plastic sheet after the formation of the penetrating opening containing area. By use of a plastic mask fabricated by the above method, a paste printing is also carried out.

REFERENCES:
patent: 1351068 (1920-08-01), Sayford
patent: 3668028 (1972-06-01), Short
patent: 3696742 (1972-10-01), Parts et al.
patent: 3852564 (1974-12-01), Baum et al.
patent: 3981237 (1976-09-01), Rhodes
patent: 4211618 (1980-07-01), Ohno
patent: 4285274 (1981-08-01), Katsuuma
patent: 5460316 (1995-10-01), Hefele
patent: 5483883 (1996-01-01), Hayama

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