US 12,215,259 B2
Multilayer object and release agent composition
Hiroto Ogata, Toyama (JP); and Tetsuya Shinjo, Toyama (JP)
Assigned to NISSAN CHEMICAL CORPORATION, Tokyo (JP)
Appl. No. 17/801,016
Filed by NISSAN CHEMICAL CORPORATION, Tokyo (JP)
PCT Filed Feb. 16, 2021, PCT No. PCT/JP2021/005699
§ 371(c)(1), (2) Date Aug. 19, 2022,
PCT Pub. No. WO2021/166905, PCT Pub. Date Aug. 26, 2021.
Claims priority of application No. 2020-028187 (JP), filed on Feb. 21, 2020.
Prior Publication US 2023/0143007 A1, May 11, 2023
Int. Cl. B32B 7/12 (2006.01); C08J 7/12 (2006.01); C09J 7/38 (2018.01); C09J 7/40 (2018.01); C09J 183/04 (2006.01); B32B 9/00 (2006.01); B32B 17/06 (2006.01); H01L 21/683 (2006.01)
CPC C09J 7/401 (2018.01) [B32B 7/12 (2013.01); C08J 7/12 (2013.01); C09J 7/38 (2018.01); C09J 183/04 (2013.01); B32B 9/005 (2013.01); B32B 17/06 (2013.01); B32B 2255/26 (2013.01); B32B 2307/202 (2013.01); B32B 2307/412 (2013.01); B32B 2307/748 (2013.01); C09J 2203/326 (2013.01); C09J 2483/00 (2013.01); H01L 21/6836 (2013.01)] 20 Claims
 
1. A laminate comprising:
a first substrate formed of a semiconductor substrate;
a second substrate formed of a light-transmissive support substrate; and
an adhesive layer and a release layer disposed between the first substrate and the second substrate,
wherein the release layer is a film formed from a releasing agent composition containing a polynuclear phenol derivative represented by formula (P):

OG Complex Work Unit Chemistry
wherein Ar represents an arylene group,
a cross-linking agent, and
at least one of an acid generator and an acid.