JP2002092821A5 - - Google Patents

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Publication number
JP2002092821A5
JP2002092821A5 JP2000286842A JP2000286842A JP2002092821A5 JP 2002092821 A5 JP2002092821 A5 JP 2002092821A5 JP 2000286842 A JP2000286842 A JP 2000286842A JP 2000286842 A JP2000286842 A JP 2000286842A JP 2002092821 A5 JP2002092821 A5 JP 2002092821A5
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JP
Japan
Prior art keywords
magnetic
pole
width
magnetic pole
gap film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2000286842A
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Japanese (ja)
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JP2002092821A (en
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Publication date
Application filed filed Critical
Priority to JP2000286842A priority Critical patent/JP2002092821A/en
Priority claimed from JP2000286842A external-priority patent/JP2002092821A/en
Priority to US09/920,648 priority patent/US6710973B2/en
Publication of JP2002092821A publication Critical patent/JP2002092821A/en
Priority to US10/768,104 priority patent/US7006326B2/en
Publication of JP2002092821A5 publication Critical patent/JP2002092821A5/ja
Priority to US11/257,083 priority patent/US7133252B2/en
Pending legal-status Critical Current

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Claims (7)

第一磁極と第二磁極と前記第一及び前記第二磁極の間に形成されたギャップ膜とを有し、前記ギャップ膜と対向する前記第一磁極の幅は、前記ギャップ膜と対向する前記第二磁極の幅より大きく、前記第二磁極の前記ギャップ膜と対向する面を下面とすると、 前記第二磁極の下面の幅は上面の幅より小さく、前記第二磁極の上面と当該上面に対する両側面とのなす角は鋭角であることを特徴とする単磁極型磁気ヘッド。A first magnetic pole, a second magnetic pole, and a gap film formed between the first and second magnetic poles, wherein the width of the first magnetic pole facing the gap film is the width of the first magnetic pole facing the gap film. If the surface of the second magnetic pole facing the gap film is larger than the width of the second magnetic pole, and the lower surface is defined as the lower surface, the width of the lower surface of the second magnetic pole is smaller than the width of the upper surface. A single pole type magnetic head, characterized in that the angle formed between both side surfaces is acute. 前記第二磁極の上面の幅から下面の幅への寸法変化が連続的であることを特徴とする請求項１記載の単磁極型磁気ヘッド。2. The single-pole magnetic head according to claim 1, wherein the dimensional change from the upper surface width to the lower surface width of the second magnetic pole is continuous. 前記第二磁極の上面と側面とのなす角度が６０度以上９０度未満であることを特徴とする請求項１及び2記載の単磁極型磁気ヘッド。3. The single-pole magnetic head according to claim 1, wherein an angle between an upper surface and a side surface of the second magnetic pole is not less than 60 degrees and less than 90 degrees. 前記第二磁極の上面は平坦であることを特徴とする請求項１乃至３記載の単磁極型磁気ヘッド。4. The single-pole magnetic head according to claim 1, wherein an upper surface of the second magnetic pole is flat. 前記第二磁極の上面は、前記上面の端部と中央部の差が30nm以下であることを特徴とする請求項１乃至４記載の単磁極型磁気ヘッド。5. The single pole type magnetic head according to claim 1, wherein a difference between an end and a center of the upper surface of the second magnetic pole is 30 nm or less. 前記磁性膜の飽和磁束密度(Bs)が、1.5テスラ（T）以上の材料であることを特徴とする請求項１乃至５記載の単磁極型磁気ヘッド。6. The single-pole magnetic head according to claim 1, wherein the magnetic film has a saturation magnetic flux density (Bs) of 1.5 Tesla (T) or more. 基板上に軟磁性層と該軟磁性層上に形成された磁性層とを有する磁気ディスク媒体と、第一磁極と第二磁極と前記第一及び前記第二磁極の間に形成されたギャップ膜とを有し、
前記ギャップ膜と対向する前記第一磁極の幅は、前記ギャップ膜と対向する前記第二磁極の幅より大きく、前記第二磁極の前記ギャップ膜と対向する面を下面とすると、前記第二磁極の下面の幅は上面の幅より小さく、前記第二磁極の上面と当該上面に対する両側面とのなす角は鋭角である磁気ヘッドとを備え、該磁気ヘッドにより前記磁気ディスク媒体に対し垂直記録を行うことを特徴とする磁気ディスク装置。A magnetic disk medium having a soft magnetic layer on a substrate and a magnetic layer formed on the soft magnetic layer, a gap film formed between the first and second magnetic poles and the first and second magnetic poles And having
The width of the first magnetic pole facing the gap film is larger than the width of the second magnetic pole facing the gap film, and the surface of the second magnetic pole facing the gap film is the lower surface. The width of the lower surface of the second magnetic pole is smaller than the width of the upper surface, and the angle between the upper surface of the second magnetic pole and both side surfaces with respect to the upper surface is an acute angle, and the magnetic head performs perpendicular recording on the magnetic disk medium. A magnetic disk device characterized by performing.
JP2000286842A 2000-09-18 2000-09-18 Single magnetic pole type magnetic head and magnetic disk device mounted with the same Pending JP2002092821A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2000286842A JP2002092821A (en) 2000-09-18 2000-09-18 Single magnetic pole type magnetic head and magnetic disk device mounted with the same
US09/920,648 US6710973B2 (en) 2000-09-18 2001-08-03 Single pole type recording head including tapered edges
US10/768,104 US7006326B2 (en) 2000-09-18 2004-02-02 Single pole type recording head with tapered edges
US11/257,083 US7133252B2 (en) 2000-09-18 2005-10-25 Single pole type recording head with trailing side tapered edges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000286842A JP2002092821A (en) 2000-09-18 2000-09-18 Single magnetic pole type magnetic head and magnetic disk device mounted with the same

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2004015111A Division JP2004171762A (en) 2004-01-23 2004-01-23 Method for manufacturing single magnetic pole magnetic head

Publications (2)

Publication Number Publication Date
JP2002092821A JP2002092821A (en) 2002-03-29
JP2002092821A5 true JP2002092821A5 (en) 2004-12-24

Family

ID=18770702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000286842A Pending JP2002092821A (en) 2000-09-18 2000-09-18 Single magnetic pole type magnetic head and magnetic disk device mounted with the same

Country Status (1)

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JP (1) JP2002092821A (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4088453B2 (en) 2002-02-14 2008-05-21 株式会社日立グローバルストレージテクノロジーズ Magnetic head for perpendicular recording and magnetic disk drive equipped with the same
SG115532A1 (en) * 2002-04-03 2005-10-28 Seagate Technology Llc Perpendicular writer pole having a nonmagnetic seedlayer
JP2003317214A (en) 2002-04-19 2003-11-07 Alps Electric Co Ltd Thin-film magnetic head and method for forming lower shielding layer of thin-film magnetic head
JP2004342210A (en) 2003-05-15 2004-12-02 Tdk Corp Magnetic head for perpendicular magnetic recording and its manufacturing method, head gimbal assembly, and hard disk drive
JP2005018836A (en) 2003-06-23 2005-01-20 Hitachi Ltd Magnetic head and method for manufacturing the same
JP2005182897A (en) 2003-12-18 2005-07-07 Fujitsu Ltd Thin-film magnetic head and its manufacturing method
KR100532486B1 (en) 2003-12-24 2005-12-02 삼성전자주식회사 Method for controlling a recording current of hard disk drive
JP2005216361A (en) 2004-01-28 2005-08-11 Hitachi Global Storage Technologies Netherlands Bv Magnetic head and manufacturing method thereof
JP4046236B2 (en) 2004-03-31 2008-02-13 Ｔｄｋ株式会社 Manufacturing method of magnetic head for perpendicular magnetic recording
US7468864B2 (en) 2004-07-01 2008-12-23 Headway Technologies, Inc. Magnetic head for perpendicular magnetic recording and method of manufacturing same
JP3780290B2 (en) 2004-09-29 2006-05-31 Ｔｄｋ株式会社 Magnetic recording / reproducing device
US7333296B2 (en) 2004-10-07 2008-02-19 Headway Technologies, Inc. Magnetic head for perpendicular magnetic recording including pole-layer-encasing layer that opens in the top surface thereof and nonmagnetic conductive layer disposed on the top surface of the pole-layer-encasing layer
US7558020B2 (en) 2004-11-12 2009-07-07 Headway Technologies, Inc. Thin-film magnetic head structure having a magnetic pole tip with an even width portion method of manufacturing thereof, and thin-film magnetic head having a magnetic pole tip with an even width portion
US7433151B2 (en) 2004-12-28 2008-10-07 Headway Technologies, Inc. Method of manufacturing magnetic head using magnetic head sub-structure with indicators for indicating the location of the ABS
US7903372B2 (en) 2005-01-11 2011-03-08 Samsung Electronics Co., Ltd. Magnetic recording head and method of manufacturing the same
US7369361B2 (en) 2005-02-07 2008-05-06 Headway Technologies, Inc. Magnetic head and magnetic head substructure including resistor element whose resistance corresponds to the length of the track width defining portion of the pole layer
US7663839B2 (en) 2005-05-16 2010-02-16 Headway Technologies, Inc. Magnetic head for perpendicular magnetic recording with encasing layer
US7375925B2 (en) * 2005-05-27 2008-05-20 Headway Technologies, Inc. Magnetic head for perpendicular magnetic recording and method of manufacturing same
US7492555B2 (en) * 2005-07-13 2009-02-17 Headway Technologies, Inc. Thin-film magnetic head structure, method of manufacturing the same, and thin-film magnetic head
JP2007257815A (en) 2006-02-22 2007-10-04 Tdk Corp Magnetic device, perpendicular magnetic recording head, magnetic recording device, method of forming magnetic layer pattern , and method of manufacturing perpendicular magnetic recording head
US7796361B2 (en) 2007-03-26 2010-09-14 Headway Technologies, Inc. Magnetic head for perpendicular magnetic recording and method of manufacturing same
US7859792B2 (en) 2007-03-27 2010-12-28 Tdk Corporation Magnetic head with a recording element including a non-magnetic film and a magnetic pole film of an electrode and plated film formed in a depression of the magnetic pole film
US7916425B2 (en) * 2007-06-21 2011-03-29 Headway Technologies, Inc. Magnetic head having angled pole portions
US7957097B2 (en) 2007-06-28 2011-06-07 Headway Technologies, Inc. Magnetic head for perpendicular magnetic recording and method of manufacturing same
JP5813916B2 (en) * 2009-10-30 2015-11-17 エイチジーエスティーネザーランドビーブイ Perpendicular magnetic recording head
JP2016063114A (en) * 2014-09-19 2016-04-25 大日本印刷株式会社 Through electrode substrate and manufacturing method of the same

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