Use of a thermal transfer printer for producing a photomask

Details Use of a thermal transfer printer for producing a photomask Use of a thermal transfer printer for producing a photomask

G - Physics

03

F

96/252, 42/6

G03F 1/00 (2006.01) H05K 3/00 (2006.01)

Patent

CA 1321875

K-16636/- Use of a thermal transfer printer for producing a photomask Abstract or the Disclosure The invention relates to the use of a thermal transfer printer and of an ink ribbon containing a pigment or dye that absorbs light in the range from 350 to 450 nm for the direct production of a photomask from an electronically coded sources of information on a metal plate (PS plate) coated with a positively working photopolymer which is sensitive to light in the range from 350 to 450 nm, and, as surface layer, with a polymer which is soluble in alkaline solution and is permeable to light in the range from 350 to 450 nm, such that the image produced by the thermal transfer printer on the PS plate is used direct as photomask.

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