Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1997-04-28
1998-07-21
Huff, Mark F.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430311, 430314, 430318, G03C 1695, G03F 7004, G03F 7012
Patent
active
057833591
ABSTRACT:
This invention relates to a rubber photoresist composite which can be applied evenly on a large-sized or square-shaped baseboard and a method for producing a circuit board using thereof. A rubber photoresist composite of this invention comprises a photosensitive agent, a cyclized rubber and a solvent, said solvent including a solvent component having a boiling point ranging from 150.degree. C. to 220.degree. C. The rubber photoresist composite can be applied evenly on the baseboard rotated at a high speed by a spinner.
REFERENCES:
patent: 3887373 (1975-06-01), Hays et al.
patent: 4525523 (1985-06-01), Nakamura et al.
patent: 5250392 (1993-10-01), Marcotte, Jr. et al.
Sugimura Masahiko
Tomisawa Shigeru
Yoneda Yasuhiro
Fujitsu Limited
Huff Mark F.
Nippon Zeon Co. Ltd.
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