Radio wave absorber composition, radio wave absorber member, rad

Details Radio wave absorber composition, radio wave absorber member, rad Radio wave absorber composition, radio wave absorber member, rad

1995-06-22

1999-08-03

Speer, Timothy M.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563071, 264681, B29B 165

Patent

active

059320540

ABSTRACT:
This invention relates to a composition for preparing a nonflammable, light-weight radio wave absorber which has a capacity of absorbing radio waves at low frequency bands of 30 MHz to 1,000 MHz or at high frequency bands of over 1,000 MHz, a radio wave absorber member using the above composition, a radio wave absorber using the radio wave absorber member, and a method for producing the above wave absorber member.
The radio wave absorber composition for a low frequency band of 30 MHz to 1,000 MHz mainly consists of cement, light-weight aggregates, non-conductive fibers and synthetic resin emulsion. And, the wave absorber composition for a high frequency band of over 1,000 MHz mainly consists of cement, light-weight aggregates, carbon fibers and/or carbon graphite and synthetic resin emulsion.

REFERENCES:
patent: 4939024 (1990-07-01), Oosawa et al.
patent: 5312678 (1994-05-01), McCullough, Jr. et al.

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