Invention Grant
- Patent Title: Magnetic recording head and magnetic recording apparatus
- Patent Title (中): 磁记录头和磁记录装置
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Application No.: US13541371Application Date: 2012-07-03
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Publication No.: US08547662B2Publication Date: 2013-10-01
- Inventor: Kenichiro Yamada , Hitoshi Iwasaki , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Shuichi Murakami , Tadashi Kai
- Applicant: Kenichiro Yamada , Hitoshi Iwasaki , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Shuichi Murakami , Tadashi Kai
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Nixon & Vanderhye, P.C.
- Priority: JP2007-215594 20070822
- Main IPC: G11B5/147
- IPC: G11B5/147 ; G11B5/23 ; G11B5/187
Abstract:
An example magnetic writing head includes a main magnetic pole, a coil to generate an ampere magnetic field to magnetize the main magnetic pole to cause the magnetized main magnetic pole to generate a magnetic field, and a laminated body. The laminated body includes a first magnetic layer having a coercivity lower than the magnetic field applied by the main magnetic pole and a second magnetic layer having a coercivity lower than the magnetic field applied by the main magnetic pole.
Public/Granted literature
- US20120268844A1 MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS Public/Granted day:2012-10-25
Information query
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