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:
Aug. 27, 2024
Filed:
May. 08, 2020
3m Innovative Properties Company, St. Paul, MN (US);
Michael S. Graff, Woodbury, MN (US);
Derek J. Dehn, Maplewood, MN (US);
Paul T. Hines, St. Paul, MN (US);
Charles L Bruzzone, Woodbury, MN (US);
Bharat R. Acharya, Woodbury, MN (US);
Ronald D. Jesme, Plymouth, MN (US);
William J. Kopecky, Hudson, WI (US);
Jennifer J. Sokol, Mahtomedi, MN (US);
Sergei A. Manuilov, Bayport, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
A magnetic shielding film includes opposing first and second major surfaces and a plurality of particles dispersed therebetween, each particle having a magnetic permeability, a thickness H along a thickness direction of the particle, and a longest dimension L along a length direction of the particle orthogonal to the thickness direction, L/H greater than or equal to 2, the particles defining a plurality of voids therebetween, the length directions of at least 60% of the particles oriented within 5.5 degrees of a same orientation direction.