Materials for electromagnetic wave absorption panels

Details Materials for electromagnetic wave absorption panels Materials for electromagnetic wave absorption panels

1997-01-13

1998-12-29

Krynski, William

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428 42, 428 49, 428172, 428192, 428209, 428294, 428418, 428469, 428545, 428546, 428688, 428699, 428913, 342 1, 252 6264, 52145, 5278611, B32B 900

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active

058538895

ABSTRACT:
An electromagnetic wave absorption panel for use in building construction includes a protective tile layer, an absorber layer, a metal reflective layer, and a building support layer, such as concrete. The absorber layer utilizes novel materials including high dielectric constant materials, such as ABO.sub.3 type perovskites, layered superlattice materials, conducting oxides, and signet magnetics, ferroelectrics, such as ABO.sub.3 type perovskites and layered superlattice materials, garnets, a nickel-zinc ferrite, Ni.sub.0.4 Zn.sub.0.6 Fe.sub.2 O.sub.4, and polymer-ceramic composites of the above materials.

REFERENCES:
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patent: 4116906 (1978-09-01), Ishino et al.
patent: 4518737 (1985-05-01), Traunt
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patent: 5045638 (1991-09-01), Wada et al.
patent: 5296859 (1994-03-01), Yoshiyuki et al.
patent: 5453328 (1995-09-01), Nayano et al.
Ito, et al.; Investigation on Oblique Incident Characteristics of Ferrite Absorbing Panels for TV Ghost Suppression
A printout of 100 patent abstracts located during a search conducted for possible prior art. Patents were not ordered since none of these references were thought to be as relevant to the present application as the above references.
IEEE Transactions on Broadcasting, vol. BC-25, No. 4, Dec 1979, Takeshi Takizawa, "Reduction of Ghost Signal by Use of Magnetic Absorbing Material on Walls, " pp. 143-146 (inclusive), #XP-002063787.

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