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US 12,658,586 B2Granted
Ferrite sheet, and antenna apparatus and non-contact power supply apparatus using same
AssigneeToda Kogyo Corporation
InventorsSatoshi Ohmae, Tetsuya Kimura, Akihiro Ohashi
Life of this patent
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Abstract
A ferrite sheet includes a substrate, a sintered ferrite plate provided on a surface of the substrate via an adhesive layer, and a protective layer provided on a surface of the sintered ferrite plate. The protective layer includes at least one groove that extends to at least the sintered ferrite plate and does not extend to a surface of the substrate that is not in contact with the adhesive layer.
Claims7
A ferrite sheet comprising:
- a substrate,
- a sintered ferrite plate provided on a surface of the substrate via an adhesive layer, and
- a protective layer provided on a surface of the sintered ferrite plate,
- wherein the protective layer includes at least one groove that extends to at least the sintered ferrite plate and does not extend to a face of the substrate not being in contact with the adhesive layer.
1 more element
A ferrite sheet comprising:
- a substrate,
- a sintered ferrite plate provided on a surface of the substrate via an adhesive layer, and
- a protective layer provided on a surface of the sintered ferrite plate,
- wherein the protective layer includes at least one groove that extends to at least the sintered ferrite plate and does not extend to a face of the substrate not being in contact with the adhesive layer,
- wherein the sintered ferrite plate is divided into smaller pieces.
2 more elements
Dependencies are inferred from the claim text.