US Patent No. 10,398,068

ELECTROMAGNETIC SHIELDING SHEET AND MANUFACTURING METHOD FOR SAME


Patent No. 10,398,068
Issue Date August 27, 2019
Title Electromagnetic Shielding Sheet And Manufacturing Method For Same
Inventorship Hideki Hozono, Yamato (JP)
Mikiji Tanaka, Yamato (JP)
Daisuke Yoshikawa, Yamato (JP)
Kazumi Yamamoto, Hiroshima (JP)
Assignee Molex, LLC, Lisle, IL (US)

Claim of US Patent No. 10,398,068

1. An electromagnetic shielding sheet, comprising:electrically conductive carbon;
a soft magnetic powder; and
a base material made from a resin in which a filler including the conductive carbon and the soft magnetic powder has been mixed,
wherein an electrically conductive carbon volume ratio is 2.0 to 10.0 vol %, and a soft magnetic powder volume ratio is 15.0 to 25.0%,
wherein the electrically conductive carbon is electrically conductive carbon black, fibrous carbon, or graphite fiber, and
wherein the electrically conductive carbon black is granular electrically conductive carbon black provided with a hollow shell structure.