CORE FOR ANTENNA, COIL ANTENNA, CLOCK, PORTABLE TELEPHONE, AND ELECTRONIC APPARATUS

PROBLEM TO BE SOLVED: To provide a core for an antenna and a coil antenna which are excellent in impact resistance and manufacturability, and are inexpensive. SOLUTION: The coil antenna for transmission includes a core 1 made from an insulating soft magnetic material, and a coil 2 of 10T turn on an...

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Hauptverfasser: SATO MITSUHARU, KATO YOSHIHIKO, TEJIMA MAKOTO
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creator SATO MITSUHARU
KATO YOSHIHIKO
TEJIMA MAKOTO
description PROBLEM TO BE SOLVED: To provide a core for an antenna and a coil antenna which are excellent in impact resistance and manufacturability, and are inexpensive. SOLUTION: The coil antenna for transmission includes a core 1 made from an insulating soft magnetic material, and a coil 2 of 10T turn on an outer peripheral face of the core 1. The insulating soft magnetic material includes a soft magnetic material powder and an organic binder. The insulating soft magnetic material has magnetic permeability frequency characteristics in which the value of the real part μ' of complex magnetic permeability is ≥20 at frequency of 10 MHz or less, while the value of an imaginary part μ" is ≥10 at frequency of ≥10 MHz. COPYRIGHT: (C)2006,JPO&NCIPI
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subjects ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
title CORE FOR ANTENNA, COIL ANTENNA, CLOCK, PORTABLE TELEPHONE, AND ELECTRONIC APPARATUS
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