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
1998-01-16
2000-02-22
Chu, John S.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430905, 210656, 210692, 528482, 528491, 528502, G03G 173
Patent
active
060278536
ABSTRACT:
The present invention relates to a process for preparing a radiation-sensitive composition, comprising the steps of (1) passing a solution of a crude polymer comprising a mixture of polymer chains having different molecular weights through a porous polymeric media having a predetermined molecular weight cut-off (MWCO) value, thereby separating the crude polymeric mixture into a first fraction comprising polymer chains having molecular weights above the MWCO value and a second fraction comprising polymer chains having molecular weights below the MWCO value; and (2) adding at least one fraction produced in the first step to at least one radiation-sensitive compound and at least one solvent to produce a radiation-sensitive composition.
REFERENCES:
patent: 4812551 (1989-03-01), Oi et al.
patent: 4921778 (1990-05-01), Tackeray et al.
patent: 5098574 (1992-03-01), Chambrette et al.
patent: 5171767 (1992-12-01), Buckley et al.
patent: 5368987 (1994-11-01), Hanamoto et al.
patent: 5462675 (1995-10-01), Hopkins et al.
patent: 5527161 (1996-06-01), Bailey et al.
patent: 5618655 (1997-04-01), Davidson
patent: 5629128 (1997-05-01), Shirakawa et al.
patent: 5667932 (1997-09-01), Sato et al.
patent: 5674662 (1997-10-01), Szmanda et al.
patent: 5731123 (1998-03-01), Kawamura et al.
Blakeney Andrew J.
Malik Sanjay
Sizensky Joseph J.
Chu John S.
Gilmore Barbara
Olin Microelectronic Chemicals, Inc.
LandOfFree
Process for preparing a radiation-sensitive 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 Process for preparing a radiation-sensitive composition, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing a radiation-sensitive composition will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-519135