Fractionated novolak resin copolymer and photoresist composition

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

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

430311, 430905, 430168, 525491, 528144, 528501, 528203, G03C 172

Patent

active

059288361

ABSTRACT:
The present invention provides a method for producing a film forming, fractionated novolak resin copolymer exhibiting fast photospeed and superior performance in a photoresist composition. A method is also provided for producing photoresist composition from such a fractionated novolak resin copolymer and for producing semiconductor devices using such a photoresist composition.

REFERENCES:
patent: 4345054 (1982-08-01), Takeda et al.
patent: 4876324 (1989-10-01), Nakano et al.
patent: 5130410 (1992-07-01), Zampini et al.
patent: 5665517 (1997-09-01), Rahman et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Fractionated novolak resin copolymer and photoresist composition does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fractionated novolak resin copolymer and photoresist composition, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fractionated novolak resin copolymer and photoresist composition will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-877122

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.