Title:
λ/4 TYPE RADIO WAVE ABSORBER
Document Type and Number:
Japanese Patent JP2021052102
Kind Code:
A
Abstract:
To provide a λ/4 type radio wave absorber excellent in light resistance and antifouling properties.SOLUTION: A λ/4 type radio wave absorber includes a supporting body, a resistance film, a dielectric layer and a reflective layer, in the order. In the λ/4 type radio wave absorber, the outermost surface on a supporting body side has a surface tension of 35 dyn/cm or more, and the supporting body has a total light transmittance of 30% or less. A member for the λ/4 type radio wave absorber includes a supporting body, a resistance film and a dielectric layer, in the order. In the member, the outermost surface on a supporting body side has a surface tension of 35 dyn/cm or more, and the supporting body has a total light transmittance of 30% or less.SELECTED DRAWING: None
Inventors:
NAKAO SACHIKO
SAWADAISHI TETSURO
MUTO KATSUNORI
SAWADAISHI TETSURO
MUTO KATSUNORI
Application Number:
JP2019174468A
Publication Date:
April 01, 2021
Filing Date:
September 25, 2019
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
H05K9/00; B32B7/023; B32B7/025; H01Q17/00
Attorney, Agent or Firm:
Patent Business Corporation Saegusa International Patent Office