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Patent Searching and Data


Title:
REEL BODY, PACKAGE AND PACKED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2019/176599
Kind Code:
A1
Abstract:
Disclosed is a reel body which is provided with: a winding core; and a temporary protective film for semiconductor sealing molding, which is wound up around the winding core. The temporary protective film is provided with a support film and an adhesive layer that is provided on one surface or both surfaces of the support film; and the linear expansion coefficient of the temporary protective film for the range from 30°C to 200°C may be from 16 ppm/°C to 20 ppm/°C (inclusive) in at least one in-plane direction of the temporary protective film.

Inventors:
TOMORI Naoki (9-2, Marunouchi 1-chome, Chiyoda-k, Tokyo 06, 〒1006606, JP)
NAGOYA Tomohiro (9-2, Marunouchi 1-chome, Chiyoda-k, Tokyo 06, 〒1006606, JP)
KURODA Takahiro (9-2, Marunouchi 1-chome, Chiyoda-k, Tokyo 06, 〒1006606, JP)
Application Number:
JP2019/008215
Publication Date:
September 19, 2019
Filing Date:
March 01, 2019
Export Citation:
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Assignee:
HITACHI CHEMICAL COMPANY, LTD. (9-2 Marunouchi 1-chome, Chiyoda-ku Tokyo, 06, 〒1006606, JP)
International Classes:
H01L21/56; B32B7/027; B32B27/00; C08G73/14; C09J7/25; C09J7/30; C09J201/00; C09J201/02; H01L23/50
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (SOEI PATENT AND LAW FIRM, Marunouchi MY PLAZA 9th fl. 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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