Method of fabricating plastic mask for paste printing, plastic mask for paste printing, and paste printing method
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United States of America Patent
Stats
-
May 16, 2000
Issued Date -
N/A
app pub date -
Dec 11, 1998
filing date -
Dec 28, 1994
priority date (Note) -
Expired
status (Latency Note)
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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.
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