Rubber photoresist composite and a method for producing a circui

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making

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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.

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