Magnetic material, magnetic sheet, and portable electronic...

Details Magnetic material, magnetic sheet, and portable electronic... Magnetic material, magnetic sheet, and portable electronic...

2011-01-25

2011-01-25

Le, HoangAnh T (Department: 2821)

Communications: radio wave antennas

Antennas

Including magnetic material

C343S702000

Reexamination Certificate

active

07876281

ABSTRACT:
A magnetic material used for an antenna module of an RFID (radio frequency identification) system that uses a communication frequency of 13.56 MHz, includes an Fe alloy magnetic material containing Fe as a primary component, and Si and Al added thereto, and phosphorous of 0.2 to 0.5 wt % added to the Fe alloy magnetic material.

REFERENCES:
patent: 2005/0264460 (2005-12-01), Sunaga
patent: 2007/0069961 (2007-03-01), Akiho et al.
patent: 55-65349 (1980-05-01), None
patent: 11131196 (1999-05-01), None
patent: 11293338 (1999-10-01), None
patent: 11302741 (1999-11-01), None
patent: 2001-28418 (2001-10-01), None

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