Title:
λ/4 TYPE ELECTRIC WAVE ABSORBER
Document Type and Number:
Japanese Patent JP2020167412
Kind Code:
A
Abstract:
To provide a λ/4 type electric wave absorber having flame retardancy.SOLUTION: The λ/4 type electric wave absorber meets criteria as a flame-retardant material in the flammability evaluation test specified in UL94V-2. The λ/4 type electric wave absorber includes: a support body, a resistance film, and a dielectric layer and a reflective layer of 150 to 800 μm in thickness, meeting the criteria as a flame-retardant material in the flammability evaluation test specified in UL94 VTM-0. The λ/4 type electric wave absorber further includes: a support body, a resistance film, and a dielectric layer and a reflective layer of 150 to 800 μm in thickness, meeting the criteria as a flame-retardant material in the flammability evaluation test specified in UL94V-2.SELECTED DRAWING: None
Inventors:
SAWADAISHI TETSURO
NAKAO SACHIKO
MUTO KATSUNORI
NAKAO SACHIKO
MUTO KATSUNORI
Application Number:
JP2020056711A
Publication Date:
October 08, 2020
Filing Date:
March 26, 2020
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
H05K9/00; B32B7/025; B32B7/027; B32B27/18; H01Q1/52; H01Q15/14; H01Q17/00
Attorney, Agent or Firm:
Patent Business Corporation Saegusa International Patent Office