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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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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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</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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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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