DE69833417D1 - Servo-Schreibkopf - Google Patents
Servo-SchreibkopfInfo
- Publication number
- DE69833417D1 DE69833417D1 DE69833417T DE69833417T DE69833417D1 DE 69833417 D1 DE69833417 D1 DE 69833417D1 DE 69833417 T DE69833417 T DE 69833417T DE 69833417 T DE69833417 T DE 69833417T DE 69833417 D1 DE69833417 D1 DE 69833417D1
- Authority
- DE
- Germany
- Prior art keywords
- servo
- write head
- write
- head
- 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.)
- Expired - Lifetime
Links
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
- G11B5/127—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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/62—Maintaining desired spacing between record carrier and head
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
-
- 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
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/488—Disposition of heads
- G11B5/4893—Disposition of heads relative to moving tape
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49043—Depositing magnetic layer or coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/4906—Providing winding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49789—Obtaining plural product pieces from unitary workpiece
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49789—Obtaining plural product pieces from unitary workpiece
- Y10T29/49798—Dividing sequentially from leading end, e.g., by cutting or breaking
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/959,509 US6018444A (en) | 1997-10-28 | 1997-10-28 | Batch fabricated servo write head having low write-gap linewidth variation |
US959509 | 1997-10-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69833417D1 true DE69833417D1 (de) | 2006-04-20 |
DE69833417T2 DE69833417T2 (de) | 2006-08-10 |
Family
ID=25502101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69833417T Expired - Lifetime DE69833417T2 (de) | 1997-10-28 | 1998-10-27 | Servo-Schreibkopf |
Country Status (4)
Country | Link |
---|---|
US (5) | US6018444A (de) |
EP (1) | EP0913813B1 (de) |
JP (1) | JPH11242803A (de) |
DE (1) | DE69833417T2 (de) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6269533B2 (en) | 1999-02-23 | 2001-08-07 | Advanced Research Corporation | Method of making a patterned magnetic recording head |
US7196870B2 (en) * | 1999-02-23 | 2007-03-27 | Advanced Research Corporation | Patterned magnetic recording head with termination pattern having a curved portion |
US7773340B2 (en) * | 1999-02-23 | 2010-08-10 | Advanced Research Corporation | Patterned magnetic recording head having a gap pattern with substantially elliptical or substantially diamond-shaped termination pattern |
US20030093894A1 (en) | 1999-02-23 | 2003-05-22 | Dugas Matthew P. | Double layer patterning and technique for making a magnetic recording head |
KR100846237B1 (ko) * | 1999-10-05 | 2008-07-16 | 시게이트 테크놀로지 엘엘씨 | 가변 길이의 갭을 갖는 수직 자기 기록 헤드 |
US20020057524A1 (en) * | 1999-11-24 | 2002-05-16 | Beck Patricia A. | Servo head having rounded leading edge and methof of using the same |
US6989960B2 (en) | 1999-12-30 | 2006-01-24 | Advanced Research Corporation | Wear pads for timing-based surface film servo heads |
US6496328B1 (en) * | 1999-12-30 | 2002-12-17 | Advanced Research Corporation | Low inductance, ferrite sub-gap substrate structure for surface film magnetic recording heads |
US7099119B2 (en) * | 2000-02-29 | 2006-08-29 | Sony Corporation | Magnetic head, method for recording/reproducing tape-like magnetic recording medium, and rotary magnetic head mechanism |
US6639753B1 (en) | 2000-09-01 | 2003-10-28 | Hewlett-Packard Development Company, L.P. | Method of forming a head assembly, a head assembly, and a linear tape drive |
US6700729B1 (en) | 2000-10-17 | 2004-03-02 | Hewlett-Packard Development Company | Alignment marks for tape head positioning |
US6433959B1 (en) | 2000-10-30 | 2002-08-13 | Storage Technology Corporation | Tape head contour utilizing enclosed through slots |
US20030099069A1 (en) * | 2001-10-10 | 2003-05-29 | Tdk Corporation | Magnetic head, method of manufacturing same, and head suspension assembly |
AU2003245629A1 (en) | 2002-06-19 | 2004-01-06 | Advanced Research Corporation | Optical waveguide path for a thermal-assisted magnetic recording head |
US20030235011A1 (en) * | 2002-06-21 | 2003-12-25 | O-Mass As | Head used in combination with wide tape media |
US6947256B2 (en) * | 2003-01-29 | 2005-09-20 | International Business Machines Corporation | Embedded wire planar write head system and method |
US6874720B2 (en) * | 2003-06-02 | 2005-04-05 | Imation Corp. | Data storage tape cartridge with subambient pressure feature |
US7006329B2 (en) * | 2003-06-02 | 2006-02-28 | Imation Corp. | Magnetic tape head assembly with laterally moveable central section |
US7167339B2 (en) * | 2003-12-03 | 2007-01-23 | International Business Machines Corporation | Method for producing and inspecting tape head air-skiving edges |
US7031089B2 (en) * | 2003-12-17 | 2006-04-18 | Hewlett-Packard Development Company, L.P. | Tape head assembly |
US7196866B2 (en) * | 2003-12-17 | 2007-03-27 | Hewlett-Packard Development Company, L.P. | Interconnect structure having multiple layers of traces for electrical connection to a tape head assembly |
US8144424B2 (en) | 2003-12-19 | 2012-03-27 | Dugas Matthew P | Timing-based servo verify head and magnetic media made therewith |
US7283317B2 (en) * | 2004-01-30 | 2007-10-16 | Advanced Research Corporation | Apparatuses and methods for pre-erasing during manufacture of magnetic tape |
US20100321824A1 (en) * | 2004-02-18 | 2010-12-23 | Dugas Matthew P | Magnetic recording head having secondary sub-gaps |
JP4253263B2 (ja) * | 2004-03-03 | 2009-04-08 | 富士フイルム株式会社 | サーボライタ |
US7204911B2 (en) * | 2004-03-19 | 2007-04-17 | Matsushita Electric Industrial Co., Ltd. | Process and apparatus for forming discrete microcavities in a filament wire using a polymer etching mask |
US7450341B2 (en) * | 2004-05-04 | 2008-11-11 | Advanced Research Corporation | Intergrated thin film subgap subpole structure for arbitrary gap pattern magnetic recording heads and method of making the same |
US7119976B2 (en) * | 2005-01-12 | 2006-10-10 | International Business Machines Corporation | Planar servo format verifier head |
WO2008089665A1 (en) * | 2007-01-22 | 2008-07-31 | Lafe Computer Magnetics Limited | Tape head method and assembly utilizing split tape stabilizer design |
WO2009094516A1 (en) * | 2008-01-23 | 2009-07-30 | Advanced Research Corporation | Recording heads with embedded tape guides and magnetic media made by such recording heads |
US8068300B2 (en) * | 2008-03-28 | 2011-11-29 | Advanced Research Corporation | Thin film planar arbitrary gap pattern magnetic head |
US8083720B2 (en) * | 2008-05-13 | 2011-12-27 | Solar Matthew S | Device and method for delivering therapeutic agents to an area of the body |
WO2011014836A2 (en) * | 2009-07-31 | 2011-02-03 | Advanced Research Corporation | Erase drive systems and methods of erasure for tape data cartridge |
JP5685045B2 (ja) * | 2010-01-22 | 2015-03-18 | 富士フイルム株式会社 | サーボライトヘッド、サーボライタおよびサーボ信号が書き込まれた磁気テープの製造方法 |
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 |
US8824100B2 (en) * | 2011-05-20 | 2014-09-02 | Seagate Technology Llc | Overcoats that include magnetic materials |
US8804276B2 (en) | 2011-06-13 | 2014-08-12 | Imation Corp. | Continuous biasing and servowriting of magnetic storage media having perpendicular anisotropy |
US8767342B2 (en) | 2011-06-13 | 2014-07-01 | Imation Corp. | Erasure and servowriting of magnetic storage media having perpendicular anistropy |
US8817415B2 (en) | 2011-06-13 | 2014-08-26 | Imation Corp. | Erasure of magnetic storage media having perpendicular anisotropy |
US8797674B2 (en) | 2011-06-13 | 2014-08-05 | Imation Corp. | Servo mark length matched to write head gap for magnetic storage media |
US8724250B2 (en) | 2012-04-03 | 2014-05-13 | Hewlett-Packard Development Company, L.P. | Reading magnetic tape |
WO2013151612A1 (en) | 2012-04-04 | 2013-10-10 | Imation Corp. | Perpendicular pole head for servo writing magnetic media |
US8643968B2 (en) | 2012-04-26 | 2014-02-04 | Imation Corp. | Methods and systems for magnetic media servo writing |
US8867167B2 (en) | 2012-04-26 | 2014-10-21 | Imation Corp. | Tapered pole heads for magnetic media |
US8797681B2 (en) | 2012-04-26 | 2014-08-05 | Imation Corp. | Servo write head having plural spaced front blocks coupled by magnetic posts to a back bar |
US8760802B2 (en) | 2012-04-26 | 2014-06-24 | Imation Corp. | Systems and methods for processing magnetic media with first and second magnetic gaps adjacent opposite sides of the recording layer |
US8958175B1 (en) | 2014-01-16 | 2015-02-17 | Oracle International Corporation | Tape head surface with non-uniform cross-width profile |
US9837107B2 (en) * | 2016-02-12 | 2017-12-05 | International Business Machines Corporation | Tape head with electrically conducting surface to reduce triboelectric charging |
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 |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3145452A (en) * | 1958-03-24 | 1964-08-25 | Iit Res Inst | Method of making a magnetic head |
US3414895A (en) * | 1966-01-14 | 1968-12-03 | Honeywell Inc | Magnetic head with means for assuring firm tape-head contact |
US3582917A (en) * | 1968-12-13 | 1971-06-01 | Ibm | Magnetic head having a continuously variable radius of curvature |
GB1409890A (en) * | 1972-12-29 | 1975-10-15 | Data Recording Instr Co | Manfuacture of magnetic elements for use in multi-track magnetic heads |
US4285019A (en) * | 1980-03-10 | 1981-08-18 | Memorex Corporation | Contoured magnetic recording head/slider assembly |
US4373173A (en) * | 1981-03-19 | 1983-02-08 | International Business Machines Corporation | Multi-element head assembly |
DE3421083A1 (de) * | 1983-06-09 | 1984-12-13 | Alps Electric Co., Ltd., Tokio/Tokyo | Magnetkopf zur vertikalaufzeichnung |
JPS60182006A (ja) * | 1984-02-29 | 1985-09-17 | Victor Co Of Japan Ltd | 磁気ヘツド |
US4797767A (en) * | 1986-11-20 | 1989-01-10 | American Magnetics Corporation | Digital magnetic head structure |
US4979051A (en) * | 1988-03-22 | 1990-12-18 | Eggebeen James A | Bimodal multi-track magnetic head |
US4967301A (en) * | 1988-08-22 | 1990-10-30 | International Business Machines Corporation | Shallow magnetic head shield for reducing feedthrough |
JPH02156493A (ja) * | 1988-12-09 | 1990-06-15 | Victor Co Of Japan Ltd | 浮上型磁気ヘッド構体 |
FR2641110B1 (de) * | 1988-12-23 | 1995-07-21 | Thomson Csf | |
US5136775A (en) * | 1989-01-19 | 1992-08-11 | Pioneer Electronic Corporation | Method of manufacturing a magnetic head having wear resisting films |
US4996609A (en) * | 1989-02-22 | 1991-02-26 | Pericomp Corporation | Magnetic head recording multitrack servo patterns |
US5144741A (en) * | 1989-08-11 | 1992-09-08 | Pioneer Electronic Corporation | Method of manufacturing a magnetic head with two canted gaps |
JP2760137B2 (ja) * | 1990-05-31 | 1998-05-28 | ソニー株式会社 | 磁気ヘッドの製造方法 |
US5210929A (en) * | 1991-03-18 | 1993-05-18 | Applied Magnetics Corporation | Method of making a ferrite capped Winchester-style slider |
US5214553A (en) * | 1991-04-29 | 1993-05-25 | Digital Equipment Corporation | Magnetic contact recording head for operation with tapes of varying thicknesses |
US5289330A (en) * | 1991-10-02 | 1994-02-22 | Alliant Techsystems Inc. | Helical read/write head having a cross-cut groove |
EP0550890B1 (de) * | 1992-01-06 | 1997-04-09 | Tandberg Data A/S | Magnetkopf für stabilen Kontaktdruck zwischen Polspitze und Band trotz Kopfverschleiss und Bandspannungveränderung |
JP3538437B2 (ja) * | 1993-04-02 | 2004-06-14 | シチズン時計株式会社 | 複合型磁気ヘッド用コアの製造方法 |
US5423116A (en) * | 1993-07-21 | 1995-06-13 | Storage Technology Corporation | Method of manufacturing a multi-track longitudinal, metal-in-gap head |
US5414783A (en) * | 1993-09-24 | 1995-05-09 | Xerox Corporation | Write head for a MICR reader having an adjustable field profile |
JPH08235517A (ja) * | 1994-05-10 | 1996-09-13 | Mitsubishi Electric Corp | 磁気ヘッド及びその製造方法 |
US5689384A (en) * | 1994-06-30 | 1997-11-18 | International Business Machines Corporation | Timing based servo system for magnetic tape systems |
US5572392A (en) * | 1994-11-17 | 1996-11-05 | International Business Machines Corporation | Arbitrary pattern write head assembly for writing timing-based servo patterns on magnetic storage media |
US5602703A (en) * | 1994-12-27 | 1997-02-11 | Seagate Technology, Inc. | Recording head for recording track-centering servo signals on a multi-track recording medium |
US5512222A (en) * | 1995-03-15 | 1996-04-30 | Foamex L.P. | Method of using a chilled trough for producing slabs of polyurethane foam |
KR970002883A (ko) * | 1995-06-30 | 1997-01-28 | 배순훈 | 자기헤드 및 그 제조 방법 |
JPH10188212A (ja) * | 1996-12-25 | 1998-07-21 | Sony Corp | 磁気ヘッド |
US5946156A (en) * | 1997-03-04 | 1999-08-31 | Imation Corp. | Tape servo system and methods, write/read heads, and servo track configurations regarding same |
US5953184A (en) * | 1997-09-30 | 1999-09-14 | Storage Technology Corporation | Transverse slotted magnetic tape head assembly |
US5855056A (en) * | 1997-11-20 | 1999-01-05 | Storage Technology Corporation | Method for fabricating magnetic heads having varying gap lengths on a common wafer |
-
1997
- 1997-10-28 US US08/959,509 patent/US6018444A/en not_active Expired - Lifetime
-
1998
- 1998-10-27 DE DE69833417T patent/DE69833417T2/de not_active Expired - Lifetime
- 1998-10-27 EP EP98308767A patent/EP0913813B1/de not_active Expired - Lifetime
- 1998-10-28 JP JP10322843A patent/JPH11242803A/ja active Pending
-
1999
- 1999-11-24 US US09/449,010 patent/US6229669B1/en not_active Expired - Lifetime
-
2001
- 2001-02-22 US US09/791,903 patent/US6647613B2/en not_active Expired - Lifetime
-
2002
- 2002-09-27 US US10/256,572 patent/US6999274B2/en not_active Expired - Lifetime
-
2003
- 2003-10-30 US US10/696,824 patent/US7206167B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7206167B2 (en) | 2007-04-17 |
DE69833417T2 (de) | 2006-08-10 |
US6018444A (en) | 2000-01-25 |
US20030030939A1 (en) | 2003-02-13 |
EP0913813A2 (de) | 1999-05-06 |
JPH11242803A (ja) | 1999-09-07 |
US20010007170A1 (en) | 2001-07-12 |
US6647613B2 (en) | 2003-11-18 |
US6229669B1 (en) | 2001-05-08 |
EP0913813B1 (de) | 2006-02-08 |
US6999274B2 (en) | 2006-02-14 |
US20050068668A1 (en) | 2005-03-31 |
EP0913813A3 (de) | 2000-08-30 |
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