Electromagnetic wave absorber
OwnerMotoyuki Hirata, Masahide Utsunomiyainventors
Life of this patent
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Abstract
An electromagnetic wave-absorbing material composition which includes: (A) a compound having two or more carboxyl groups and/or an acid anhydride group thereof, in one molecule of the compound; (B) a compound having two or more epoxy groups in one molecule thereof; and (C) a soft magnetic powder.
Claims7
An electromagnetic wave-absorbing material composition, comprising:
- (A) a compound having two or more carboxyl groups and/or an acid anhydride group thereof, in one molecule of the compound;
- (B) a compound having two or more epoxy groups in one molecule thereof;
- and
- (C) a soft magnetic powder.
An electromagnetic wave absorber, which has been provided by subjecting an electromagnetic wave-absorbing material composition to a crosslinking reaction, wherein the electromagnetic wave-absorbing material composition comprises:
- (A) a compound having two or more carboxyl groups and/or an acid anhydride group thereof, in one molecule of the compound;
- (B) a compound having two or more epoxy groups in one molecule thereof;
- and
- (C) a soft magnetic powder.
An electromagnetic wave-absorbing sheet, which has been provided by subjecting an electromagnetic wave-absorbing material composition to a crosslinking reaction, wherein the electromagnetic wave-absorbing material composition comprises:
- (A) a compound having two or more carboxyl groups and/or an acid anhydride group thereof, in one molecule of the compound;
- (B) a compound having two or more epoxy groups in one molecule thereof;
- and
- (C) a soft magnetic powder.
Dependencies are inferred from the claim text.