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:
Sep. 23, 2025
Filed:
Dec. 06, 2021
Applicant:
Commissariat À L'énergie Atomique ET Aux Énergies Alternatives, Paris, FR;
Inventor:
Bernard Viala, Grenoble, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/28 (2006.01); C04B 35/52 (2006.01); C08K 3/14 (2006.01); C08K 3/28 (2006.01); H01F 1/00 (2006.01);
U.S. Cl.
CPC ...
H01F 1/28 (2013.01); C04B 35/52 (2013.01); C08K 3/14 (2013.01); C08K 3/28 (2013.01); H01F 1/0018 (2013.01); H01F 1/0054 (2013.01); H01F 1/0063 (2013.01); C04B 2235/3817 (2013.01); C04B 2235/3852 (2013.01); C04B 2235/405 (2013.01); C04B 2235/422 (2013.01); C04B 2235/5454 (2013.01); C04B 2235/781 (2013.01); C08K 2201/01 (2013.01); C08K 2201/011 (2013.01);
Abstract
An electromagnetic material for an inductance for operation at cryogenic temperatures including, in an electrically insulating matrix, metal nanoparticles with superparamagnetic behavior of size less than or equal to 30 nm and having a magnetic permeability greater than or equal to 1.5 for a frequency between 5 GHz and 50 GHz.