Title:
BIAXIALLY STRETCHED FILM, FILM WITH CURED RESIN LAYER, AND METAL LAMINATED FILM
Document Type and Number:
WIPO Patent Application WO/2022/234765
Kind Code:
A1
Abstract:
The present invention provides a biaxially stretched film that contains two or more kinds of polyesters, at least one of which is a polybutylene naphthalate resin (A), wherein the dielectric loss tangent at 28 GHz is 0.0040 or less. The present invention is able to provide a biaxially stretched film which has excellent low dielectric characteristics.
Inventors:
TSURUOKA TAIKI (JP)
KOIDO SHUNSUKE (JP)
SUZUKI TOMOHIRO (JP)
KOIDO SHUNSUKE (JP)
SUZUKI TOMOHIRO (JP)
Application Number:
PCT/JP2022/017588
Publication Date:
November 10, 2022
Filing Date:
April 12, 2022
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
C08J5/18; B29C55/12; B32B15/08; B32B27/36; C08J7/043; C08L67/02; H05K1/03; H05K9/00
Foreign References:
| JP2018090687A | 2018-06-14 | |||
| JP2001234048A | 2001-08-28 | |||
| JP2007287312A | 2007-11-01 | |||
| JPS5024366A | 1975-03-15 | |||
| JPH06107929A | 1994-04-19 | |||
| JP2005023107A | 2005-01-27 | |||
| JP2000017159A | 2000-01-18 | |||
| JP2021070823A | 2021-05-06 | |||
| JP2021161151A | 2021-10-11 |
Other References:
"Koshuhataiobuzai no Kaihatsudoko to 5G, Mirihareda eno Oyo", GIJUTUJOHOKYOKAI, vol. 2, pages 77 - 84
Attorney, Agent or Firm:
TAGUCHI, Masahiro et al. (JP)
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