Soft magnetic particle powder, soft magnetic resin composition, soft magnetic film, soft magnetic film laminated circuit board, and position detection device
Soft magnetic particle powder is soft magnetic particle powder composed of flat soft magnetic particles, and the soft magnetic particle powder has a particle size D 10 and a particle size D 50 measured with a laser diffraction particle size distribution analyzer satisfying formula below: D 10 /D 50 >0.30.
1. Soft magnetic particle powder composed of flat soft magnetic particles,
wherein the soft magnetic particle powder has a particle size D 10 and a particle size D 50 measured with a laser diffraction particle size distribution analyzer satisfying formula below:
D 10 /D 50 >0.45,
wherein the particle size D 50 is 40 μm or more, and
wherein the soft magnetic particle powder has a particle size D 90 measured with the laser diffraction particle size distribution analyzer that is 100 μm or more and 150 μm or less.
2. A soft magnetic resin composition containing the soft magnetic particle powder according to claim 1 and a resin component.
3. The soft magnetic resin composition according to claim 2 , wherein
the resin component contains epoxy resin, phenol resin, and acrylic resin.
4. A soft magnetic film formed from a soft magnetic resin composition containing the soft magnetic particle powder according to claim 1 and a resin component.
5. A soft magnetic film laminated circuit board produced by laminating a soft magnetic film on a circuit board, wherein
the soft magnetic film is formed from a soft magnetic resin composition containing the soft magnetic particle powder according to claim 1 and a resin component.
6. A position detection device comprising:
a soft magnetic film laminated circuit board produced by laminating a soft magnetic film on a circuit board, wherein
the soft magnetic film is formed from a soft magnetic resin composition containing the soft magnetic particle powder according to claim 1 and a resin component.