JP2008171511A - 磁気ヘッド - Google Patents
磁気ヘッド Download PDFInfo
- Publication number
- JP2008171511A JP2008171511A JP2007004969A JP2007004969A JP2008171511A JP 2008171511 A JP2008171511 A JP 2008171511A JP 2007004969 A JP2007004969 A JP 2007004969A JP 2007004969 A JP2007004969 A JP 2007004969A JP 2008171511 A JP2008171511 A JP 2008171511A
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- JP
- Japan
- Prior art keywords
- edge
- tape
- head
- magnetic
- magnetic tape
- 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.)
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
- G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording
- G11B5/00821—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording using stationary heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/1871—Shaping or contouring of the transducing or guiding surface
- G11B5/1872—Shaping or contouring of the transducing or guiding surface for improving the form of the electrical signal transduced, e.g. compensation of "contour effect"
Abstract
【解決手段】走行する磁気テープ2に当接する摺動面3を備え、摺動面3に電磁変換素子4が配置された磁気ヘッド1であって、摺動面3の磁気テープ2の走行方向の両端に形成された第1のエッジ6と、摺動面3の両端から磁気テープ2の走行方向に延出した位置に形成され、磁気テープ2に当接する第2のエッジ6とを備えている。
【選択図】図1
Description
2 磁気テープ
3 摺動面
4 電磁変換素子
5 第1のエッジ
6 第2のエッジ
7 延出部
Claims (5)
- 走行する磁気テープに当接する摺動面を備え、前記摺動面に電磁変換素子が配置された磁気ヘッドであって、
前記摺動面の前記磁気テープの走行方向の両端に形成された第1のエッジと、
前記摺動面の両端から前記磁気テープの走行方向に延出した位置に形成され、前記磁気テープに当接する第2のエッジとを備えたことを特徴とする磁気ヘッド。 - 前記第1のエッジと前記第2のエッジとの間の前記磁気テープの走行方向における距離は、20μm以上である請求項1に記載の磁気ヘッド。
- 前記第1のエッジと前記第2のエッジとの間の前記磁気テープの走行方向における距離は、30μm以上300μm以下である請求項1に記載の磁気ヘッド。
- 前記第1のエッジと前記第2のエッジとを結ぶ直線と、前記第1のエッジにおける前記摺動面の接線とがなす角度は、0.4°以下である請求項1に記載の磁気ヘッド。
- 前記第1のエッジと前記第2のエッジとを結ぶ直線と、前記第1のエッジにおける前記摺動面の接線とがなす角度は、0.1°以上0.4°以下である請求項1に記載の磁気ヘッド。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007004969A JP4840929B2 (ja) | 2007-01-12 | 2007-01-12 | 磁気ヘッド |
US11/972,441 US8310783B2 (en) | 2007-01-12 | 2008-01-10 | Magnetic tape head with limited ranges of tape wrap angle and distance between first and second edges |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007004969A JP4840929B2 (ja) | 2007-01-12 | 2007-01-12 | 磁気ヘッド |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008171511A true JP2008171511A (ja) | 2008-07-24 |
JP4840929B2 JP4840929B2 (ja) | 2011-12-21 |
Family
ID=39617567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007004969A Active JP4840929B2 (ja) | 2007-01-12 | 2007-01-12 | 磁気ヘッド |
Country Status (2)
Country | Link |
---|---|
US (1) | US8310783B2 (ja) |
JP (1) | JP4840929B2 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8542460B2 (en) * | 2008-03-12 | 2013-09-24 | International Business Machines Corporation | Head for tape drive with transversely varying contour |
US20100134929A1 (en) * | 2008-12-03 | 2010-06-03 | Tdk Corporation | Multi-Channel Thin-Film Magnetic Head And Magnetic Tape Drive Apparatus With The Multi-Channel Thin-Film Magnetic Head |
US8009377B2 (en) * | 2009-02-27 | 2011-08-30 | Quantum Corporation | Tape architecture and a head architecture for a linear tape drive having a reduced actuator stroke |
US8861132B2 (en) | 2010-07-06 | 2014-10-14 | International Business Machines Corporation | Low friction tape head and system implementing same |
US8679733B2 (en) | 2011-01-19 | 2014-03-25 | International Business Machines Corporation | Patterning process for small devices |
US8373944B2 (en) | 2011-05-26 | 2013-02-12 | International Business Machines Corporation | Low friction tape head and system implementing same |
US20150364154A1 (en) * | 2013-03-22 | 2015-12-17 | Hewlett-Packard Development Company, L.P. | Reduced contact read/write head |
US8958175B1 (en) * | 2014-01-16 | 2015-02-17 | Oracle International Corporation | Tape head surface with non-uniform cross-width profile |
GB2529448A (en) * | 2014-08-20 | 2016-02-24 | Ibm | Tape head with sub-ambient pressure cavities |
US10062397B2 (en) * | 2016-02-12 | 2018-08-28 | International Business Machines Corporation | Tape head with step-like cross-sectional profile |
US9928855B1 (en) | 2016-10-31 | 2018-03-27 | International Business Machines Corporation | Tape head and system having asymmetrical construction |
US9837104B1 (en) | 2016-10-31 | 2017-12-05 | International Business Machines Corporation | Tape head having sensors proximate to an edge |
US10068591B2 (en) * | 2016-12-05 | 2018-09-04 | International Business Machines Corporation | Head having wrap-controlled flexible media interface |
US10418059B2 (en) | 2016-12-06 | 2019-09-17 | International Business Machines Corporation | Methods for selecting wrap angle for inducing tape tenting above transducer |
US10109310B2 (en) * | 2017-03-23 | 2018-10-23 | International Business Machines Corporation | Tape head having sub-ambient channel and methods of manufacture |
US12033674B2 (en) | 2020-08-21 | 2024-07-09 | Western Digital Technologies, Inc. | Reduction of high tape contact pressure points against head assembly |
US11495254B2 (en) * | 2020-10-08 | 2022-11-08 | Western Digital Technologies, Inc. | Media non-contacting magnetic recording head |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6180608A (ja) * | 1984-09-28 | 1986-04-24 | Hitachi Ltd | 磁気ヘツド |
JPS6331012A (ja) * | 1986-07-25 | 1988-02-09 | Teac Co | 磁気ヘツド |
JPH056509A (ja) * | 1991-03-25 | 1993-01-14 | Sharp Corp | 磁気記録再生装置 |
JP2004342211A (ja) * | 2003-05-15 | 2004-12-02 | Fuji Photo Film Co Ltd | 磁気ヘッドアセンブリおよびサーボライタ |
JP2006127730A (ja) * | 2004-10-01 | 2006-05-18 | Sony Corp | 磁気ヘッド、磁気記録再生装置、磁気ヘッドの製造方法、及び磁気テープ |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH066608A (ja) | 1992-06-18 | 1994-01-14 | Seiko Epson Corp | 画像出力装置 |
US6118626A (en) * | 1997-03-11 | 2000-09-12 | Massachusetts Institute Of Technology | Contact sheet recording with a self-acting negative air bearing |
US5905613A (en) | 1997-07-18 | 1999-05-18 | International Business Machines Corporation | Bidirectional flat contour linear tape recording head and drive |
US6369982B2 (en) * | 1998-09-08 | 2002-04-09 | Quantum Corporation | Floating tape head having side wings for longitudinal and azimuth play back with minimized tape wrap angle |
US6188532B1 (en) * | 1998-09-08 | 2001-02-13 | Quantum Corporation | Backward compatible head and head positioning assembly for a linear digital tape drive |
US6122147A (en) | 1999-01-05 | 2000-09-19 | Imation Corp. | Negative pressure head contour in a linear tape recording system with tape deforming cavity |
US6282055B1 (en) * | 1999-11-04 | 2001-08-28 | Storage Technology Corporation | Magnetic tape head with combination bleed and transverse slotted contour |
JP2002183906A (ja) | 2000-12-11 | 2002-06-28 | Fujitsu Ltd | 磁気テープ装置用ヘッド |
US6914748B2 (en) * | 2002-06-05 | 2005-07-05 | Quantum Corporation | Head shield for a tape drive |
US6937435B2 (en) | 2003-05-16 | 2005-08-30 | Quantum Corporation | Tape head with thin support surface and method of manufacture |
JP2006127780A (ja) | 2004-10-26 | 2006-05-18 | Canon Inc | 電界発光素子 |
US7414811B2 (en) * | 2005-08-26 | 2008-08-19 | International Business Machines Corporation | Magnetic head having three modules |
US7660072B2 (en) * | 2005-08-26 | 2010-02-09 | International Business Machines Corporation | Magnetic head with planar outrigger |
US7646565B2 (en) * | 2006-08-08 | 2010-01-12 | International Business Machines Corporation | Tape head with outrigger |
-
2007
- 2007-01-12 JP JP2007004969A patent/JP4840929B2/ja active Active
-
2008
- 2008-01-10 US US11/972,441 patent/US8310783B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6180608A (ja) * | 1984-09-28 | 1986-04-24 | Hitachi Ltd | 磁気ヘツド |
JPS6331012A (ja) * | 1986-07-25 | 1988-02-09 | Teac Co | 磁気ヘツド |
JPH056509A (ja) * | 1991-03-25 | 1993-01-14 | Sharp Corp | 磁気記録再生装置 |
JP2004342211A (ja) * | 2003-05-15 | 2004-12-02 | Fuji Photo Film Co Ltd | 磁気ヘッドアセンブリおよびサーボライタ |
JP2006127730A (ja) * | 2004-10-01 | 2006-05-18 | Sony Corp | 磁気ヘッド、磁気記録再生装置、磁気ヘッドの製造方法、及び磁気テープ |
Also Published As
Publication number | Publication date |
---|---|
US20080170328A1 (en) | 2008-07-17 |
US8310783B2 (en) | 2012-11-13 |
JP4840929B2 (ja) | 2011-12-21 |
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