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US 2007/0190360 A1Published application
Composite magnetic sheet and production method thereof
AssigneeSumida Corporation
InventorSHINICHI SAKAMOTO
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Abstract
The present invention provides a composite magnetic sheet having a high magnetic permeability, to be produced easily at a low cost. The composite magnetic sheet includes magnetic substance powders and polytetrafluoroethylene powders.
Claims15
A composite magnetic sheet comprising:
- magnetic substance powders;
- and
- polytetrafluoroethylene powders.
A production method for a composite magnetic sheet, comprising:
- a powder mixing process comprising mixing magnetic substance powders and polytetrafluoroethylene powders;
- and
- a pressure shaping process comprising shaping the mixed powder after the powder mixing process by pressuring.
Dependencies are inferred from the claim text.