Title:
RADIO-WAVE ABSORBER
Document Type and Number:
Japanese Patent JPH09232786
Kind Code:
A
Abstract:
To provide a thin radio-wave absrober, which is utilizable as EMC and EMI contermeasures against a high frequency in a gigahertz range.
A composite material, which consists of chemical synthetic high polymer molecules and a ferroelectric ceramic, or a composite material, which consists of a polymer (β-hydroxybutylate) or its copolymer and a ferroelectric ceramic, is formed as a dielectric layer 1, thin films, which consist of a metallic oxide film, a metallic nitride film or these mixture, are formed on at least one surface of this dielectric layer 1 as resistance films 2 and 3 and a radio-wave absorber is constituted.
Inventors:
HONMA YOKO
OSHIMA KENSHO
ENDO MITSUO
OSHIMA KENSHO
ENDO MITSUO
Application Number:
JP3949996A
Publication Date:
September 05, 1997
Filing Date:
February 27, 1996
Export Citation:
Assignee:
TOSOH CORP
International Classes:
H05K9/00; H01Q17/00; (IPC1-7): H05K9/00; H01Q17/00
Domestic Patent References:
| JPH05114813A | 1993-05-07 | |||
| JPH04294599A | 1992-10-19 | |||
| JPH0372473A | 1991-03-27 | |||
| JPH0784281A | 1995-03-31 | |||
| JPS5244542A | 1977-04-07 |