Thermal barrier facade construction of high rise structures and

Details Thermal barrier facade construction of high rise structures and Thermal barrier facade construction of high rise structures and

1990-01-16

1992-01-21

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

Radio wave absorber

52235, H01Q 1700

Patent

active

050831275

ABSTRACT:
It is intended to arrange a thermal barrier layer ahead of structural parts reflecting electromagnetic waves in the region of radar waves, in order to provide an absorption or a reduction of the reflection. For this purpose electrically and/or magnetically conductive materials are embedded in a material from an electric insulator for forming conductive regions. The dimensions of these conductive regions are in all planes at least a thousand times smaller than the wavelengths of the waves to be absorbed, wherein the electrically and/or magnetically conductive materials comprise a share of up to 10% of the volume of the thermal barrier layer. Herein it is provided to design the upstream cover from an electric insulator.

REFERENCES:
patent: 4012738 (1977-03-01), Wright
patent: 4118704 (1978-10-01), Ishino et al.
patent: 4162496 (1979-07-01), Downen et al.
patent: 4173018 (1979-10-01), Dawson et al.
patent: 4327364 (1982-04-01), Moore
patent: 4522890 (1985-06-01), Volkers et al.
IEEE Transactions on Broadcasting, vol. BC-25, No. 4, Dec. 1979, pp. 143-146.
"Hochfrequenz-absorbierende Materialien", Hans Domink et al., Elektromagnetische Vertraglichkett, vol. 5, pp. 280-283.

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