Back to results
US 2018/0019042 A1Published application
Composite magnetic sealing material
AssigneeTDK Corporation
InventorKENICHI KAWABATA
Life of this patent
Estimating the term…
Abstract
Disclosed herein is a composite magnetic sealing material includes a resin material and a filler blended in the resin material in a blended ratio of 30 vol. % or more to 85 vol. % or less. The filler includes a magnetic filler containing Fe and 32 wt. % or more and 39 wt. % or less of a metal material contained mainly of Ni, thereby a thermal expansion coefficient of the composite magnetic sealing material is 15 ppm/° C. or less.
Claims5
A composite magnetic sealing material comprising:
- a resin material;
- and
- a magnetic filler blended in the resin material, the magnetic filler containing Fe and 32 wt. % or more and 39 wt. % or less of a metal material composed mainly of Ni.
Dependencies are inferred from the claim text.