The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 24, 2025
Filed:
Dec. 22, 2022
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Kiyotaka Fukagawa, Minamiashigara, JP;
Hirokazu Hashimoto, Minamiashigara, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 17/00 (2006.01); C08K 3/22 (2006.01); H01F 1/34 (2006.01);
U.S. Cl.
CPC ...
H01Q 17/004 (2013.01); C08K 3/22 (2013.01); H01F 1/348 (2013.01); C08K 2003/2265 (2013.01); C08K 2201/01 (2013.01);
Abstract
There is provided a radio wave absorber containing a magnetic powder, and an aliphatic polyamide, in which an intensity ratio (α/γ) of a diffraction intensity α of an α crystal of the aliphatic polyamide to a diffraction intensity γ of a γ crystal of the aliphatic polyamide, which are determined by subjecting the radio wave absorber to measurement with an X-ray diffraction method, is 2.60 or less. There is also provided a radio wave absorbing article including this radio wave absorber.