Method of fabricating plastic mask for paste printing with an ex

Details Method of fabricating plastic mask for paste printing with an ex Method of fabricating plastic mask for paste printing with an ex

1995-12-28

1999-03-30

Funk, Stephen R.

Printing

Stenciling

Stencils

21912171, B41C 114, B23K 2618

Patent

active

058875204

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 container 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 pasta printing is also carried out.

REFERENCES:
patent: 3668028 (1972-06-01), Short
patent: 5483883 (1996-01-01), Hayama

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