Main > PHOTORESIST > Photosensitive > Resin > Laminated Film

Product Japan. T

PATENT ASSIGNEE'S COUNTRY Japan
UPDATE 07.99
PATENT ASSIGNEE Tokyo Ohka Kogyo
PATENT CLAIMS Laminated film comprising flexible film, photosensitive layer (I) on said film, & releasable film layer on (I); (I) comprising
resin comprising following comp.:
- Photopolymerizable urethane (meth)acrylate compd contg
> 2 (meth)acryloyl groups
- Alkali-soluble polymer having acid value 50-250 mgKOH/g
- Photo-polymn initiator
- Complex of an alkali thiocyanate with polymer having
polyalkylene oxide segment
- Lewis acid salt soluble in an organic solvent & generates
Lewis acid upon light irradiation
Wherein compn has electrical insulation resistance of 8 x 10
to 9th power - 1 x 10 to 14th power ohm.cm after photocuring
PATENT PHOTOCOPY Available on request

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