Curable pressure sensitive adhesive composition, optical...

Details Curable pressure sensitive adhesive composition, optical... Curable pressure sensitive adhesive composition, optical...

2005-03-04

2010-06-29

Chang, Victor S (Department: 1794)

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

C428S040200, C428S041700, C428S041800, C428S042100, C347S102000, C347S107000

Reexamination Certificate

active

07744976

ABSTRACT:
A curable pressure sensitive adhesive composition is made to contain a polymer-containing energy rays-curable component and fine particles having an average particle diameter of not more than 30 nm, wherein the solid content of the fine particles is made to be from 5 to 60 wt %. A stamper-receiving layer or a curable pressure sensitive adhesive layer for bonding a protective layer is formed using this curable pressure sensitive adhesive composition, thus producing an optical disk producing sheet. This optical disk producing sheet has a low volume shrinkage rate upon curing, and has excellent adhesiveness. If this optical disk producing sheet is used, then an optical disk having little warping and excellent inter-layer adhesion can be obtained.

REFERENCES:
patent: 6883908 (2005-04-01), Young et al.
patent: 6950236 (2005-09-01), Hokazono et al.
patent: 2002/0119274 (2002-08-01), Yang et al.
patent: WO 03/041058 (2003-05-01), None
patent: WO 03/041058 (2003-05-01), None
Office Action from European Patent Office issued on Sep. 1, 2005 for the corresponding European patent application No. 05251384.3-2109 (English translation thereof).

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