Title:
FILM AND LAMINATE
Document Type and Number:
WIPO Patent Application WO/2024/048728
Kind Code:
A1
Abstract:
Provided are: a film including a layer A and a layer B on at least one surface of the layer A, having a dielectric loss tangent of 0.01 or less, and having a surface free energy of 30 mJ/m2 or less on the surface of the layer B opposite to the layer A side; a film including a layer A and a layer B on at least one surface of the layer A, having a dielectric loss tangent of 0.01 or less, and having an ionic strength derived from the fluorine atoms or silicone structure measured by time-of-flight secondary ion mass spectrometry on the surface of the layer B opposite to the layer A side, said ionic strength being greater than the ionic strength inside of layer B; and a laminate in which an abovementioned film is used.
Inventors:
HARA MIYOKO (JP)
SASADA YASUYUKI (JP)
TAMURA AKIO (JP)
SASADA YASUYUKI (JP)
TAMURA AKIO (JP)
Application Number:
PCT/JP2023/031834
Publication Date:
March 07, 2024
Filing Date:
August 31, 2023
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
B32B27/00; B32B15/08; H05K1/03
Domestic Patent References:
| WO2020256072A1 | 2020-12-24 | |||
| WO2022131008A1 | 2022-06-23 | |||
| WO2022163776A1 | 2022-08-04 |
Foreign References:
| JP2020152095A | 2020-09-24 | |||
| JP2023006577A | 2023-01-18 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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