Title:
λ/4 TYPE RADIO WAVE ABSORBER
Document Type and Number:
WIPO Patent Application WO/2021/060352
Kind Code:
A1
Abstract:
The present invention provides a λ/4 type radio wave absorber having excellent radio wave absorption performance. The λ/4 type radio wave absorber includes a resistive film, a dielectric layer, and a reflective layer, and in the λ/4 type radio wave absorber, the moisture amount found from the peak area of mass 18 using thermogravimetric and mass simultaneous analysis measurement is 0.7 mg/cm2 or less.
Inventors:
NAKAO SACHIKO (JP)
SAWADAISHI TETSUROU (JP)
MUTOU KATSUNORI (JP)
SAWADAISHI TETSUROU (JP)
MUTOU KATSUNORI (JP)
Application Number:
PCT/JP2020/035968
Publication Date:
April 01, 2021
Filing Date:
September 24, 2020
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
H01Q17/00; B32B7/025; H05K9/00
Foreign References:
| JP2017163141A | 2017-09-14 | |||
| JP2016210929A | 2016-12-15 | |||
| JP2017045087A | 2017-03-02 | |||
| JP2018056562A | 2018-04-05 | |||
| JP2003289196A | 2003-10-10 |
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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