Title:
COMPOSITION FOR TEMPORARY FIXATION
Document Type and Number:
Japanese Patent JP2022182451
Kind Code:
A
Abstract:
To provide a composition for temporary fixation excellent in heat resistance, laser beam absorbency and adhesion.SOLUTION: A composition for temporary fixation is to be used for forming a temporary fixation film that separates a temporarily fixed micro optical device or mini optical device by laser beam irradiation. The composition includes, in a molecule, a polymer containing a structural unit derived from a cyclic olefin, a light absorber containing at least one of a photosensitizer and an ultraviolet absorber, and a phenoxy resin with a weight-average molecular weight Mw of 1,000 to 10,000 in terms of polystyrene.SELECTED DRAWING: None
Inventors:
TOMIYAMA EIKO
TAKAHASHI YASUNORI
TAKAHASHI YASUNORI
Application Number:
JP2021090016A
Publication Date:
December 08, 2022
Filing Date:
May 28, 2021
Export Citation:
Assignee:
SUMITOMO BAKELITE CO
International Classes:
C09J123/26; C09J9/00; C09J11/06; C09J163/00; C09J171/10
Attorney, Agent or Firm:
Shinji Hayami