Title:
RADIO WAVE ABSORBER, WOUND BODY, AND LAMINATE FOR RADIO WAVE ABSORBER
Document Type and Number:
Japanese Patent JP2023051590
Kind Code:
A
Abstract:
To provide a radio wave absorber advantageous from the viewpoint of suppressing degradation of radio wave absorption performance due to winding around core material or the like.SOLUTION: A radio wave absorber 1a includes a resistive layer 10, a reflective layer 30, a dielectric layer 20, and a first adhesive layer 40. The reflective layer 30 reflects radio waves. The dielectric layer 20 is positioned between the resistive layer 10 and the reflective layer 30 in a thickness direction of the resistive layer 10. The resistive layer 10 is positioned between the dielectric layer 20 and the first adhesive layer 40 in the thickness direction of the resistive layer 10. The first adhesive layer 40 has a thickness of 15 to 350 μm. The first adhesive layer 40 has a tensile modulus of 1000 N/mm2 or less.SELECTED DRAWING: Figure 1
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Inventors:
UKEI HIROICHI
FUKUYA KAZUHIRO
USUI MASAKI
FUKUYA KAZUHIRO
USUI MASAKI
Application Number:
JP2021162402A
Publication Date:
April 11, 2023
Filing Date:
September 30, 2021
Export Citation:
Assignee:
NITTO DENKO CORP
International Classes:
H05K9/00; B32B7/025; C09J7/38; C09J133/00; C09J201/00; H01Q17/00
Attorney, Agent or Firm:
Koichi Kamata
Mitsuhiko Nishio
Mitsuhiko Nishio