Process of forming polyimide pattern and developer therefor

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

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

430197, 430195, 430283, 430287, 430330, 430331, 430281, G03C 516, G03C 170

Patent

active

045474559

ABSTRACT:
A process of forming a polyimide pattern on a base plate, which comprises exposing imagewise a layer of photosensitive polyimide precursor on the base plate, removing unexposed areas by developing and curing the resultant pattern of the polyimide precursor, characterized by employing a developer containing (A) at least one solvent selected from the group consisting of N,N-dimethylacetamide, N-methyl-2-pyrrolidone, N,N-dimethylformamide, dimethylsulfoxide and .gamma.-butyrolactone, (B) methanol and (C) at least one solvent represented by the formula;

REFERENCES:
patent: 3957512 (1976-05-01), Kleeberg et al.
patent: 4040831 (1977-08-01), Rubner et al.
patent: 4093461 (1978-06-01), Loprest et al.
patent: 4093465 (1978-06-01), Chu et al.
patent: 4243743 (1981-01-01), Hiramoto et al.
patent: 4310641 (1982-01-01), Ohmura et al.
patent: 4321319 (1982-03-01), Shoji et al.
patent: 4329419 (1982-05-01), Goff et al.
patent: 4332883 (1982-06-01), Ahne et al.
patent: 4403029 (1983-09-01), Ward, Jr. et al.
patent: 4451551 (1984-05-01), Kataoka et al.
Ibert Mellan, Industrial Solvents Handbook 1970, Noyes Data Corporation, Park Ridge, N.J., 1970, pp. 293-303, 320-321.

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

Process of forming polyimide pattern and developer therefor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process of forming polyimide pattern and developer therefor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process of forming polyimide pattern and developer therefor will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2431681

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