EP 0485635 A4 19920715 - BODY FOR ABSORBING ELECTROMAGNETIC WAVE
Title (en)
BODY FOR ABSORBING ELECTROMAGNETIC WAVE
Publication
Application
Priority
JP 15168090 A 19900612
Abstract (en)
[origin: WO9120179A1] A body for absorbing electromagnetic waves having a good absorption characteristic in a wide frequency band. This body is provided with a ferritic tile body (12) for absorbing electromagnetic waves and a dielectric body for absorbing radio waves (10) having a physical taper and/or an electric taper provided on the front surface of the ferritic tile body. This dielectric body for absorbing electromagnetic waves is hollow.
IPC 1-7
IPC 8 full level
H05K 9/00 (2006.01); H01Q 17/00 (2006.01)
CPC (source: EP)
H01Q 17/004 (2013.01); H01Q 17/008 (2013.01)
Citation (search report)
- [A] DE 1766335 B1 19701015 - MCMILLAN EDWARD BELLAMY
- [X] EDN/EEE vol. 17, no. 3, 1 February 1972, NEWTON, MASS., US page 68; 'Radiation Absorber'
- [AP] PATENT ABSTRACTS OF JAPAN vol. 14, no. 302 (E-0946)28 June 1990
- See references of WO 9120179A1
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
WO 9120179 A1 19911226; EP 0485635 A1 19920520; EP 0485635 A4 19920715; JP H0444300 A 19920214
DOCDB simple family (application)
JP 9100788 W 19910612; EP 91911181 A 19910612; JP 15168090 A 19900612