DE3333590C2 - - Google Patents

Info

Publication number
DE3333590C2
DE3333590C2 DE3333590A DE3333590A DE3333590C2 DE 3333590 C2 DE3333590 C2 DE 3333590C2 DE 3333590 A DE3333590 A DE 3333590A DE 3333590 A DE3333590 A DE 3333590A DE 3333590 C2 DE3333590 C2 DE 3333590C2
Authority
DE
Germany
Prior art keywords
edge
measuring line
conductor
line
initial position
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 - Fee Related
Application number
DE3333590A
Other languages
German (de)
English (en)
Other versions
DE3333590A1 (de
Inventor
Beat Guido Prior Lake Minn. Us Keel
Tuan Phuoc Bloomington Minn. Us Tran
Alan Glen Minnetonka Minn. Us Kracke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seagate Technology International
Original Assignee
Seagate Technology International
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Seagate Technology International filed Critical Seagate Technology International
Publication of DE3333590A1 publication Critical patent/DE3333590A1/de
Application granted granted Critical
Publication of DE3333590C2 publication Critical patent/DE3333590C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
    • G11B5/3166—Testing or indicating in relation thereto, e.g. before the fabrication is completed
    • 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
    • Y10T29/49004—Electrical device making including measuring or testing of device or component part
    • 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
    • Y10T29/49037—Using reference point/surface to facilitate measuring
    • 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
    • Y10T29/49046—Depositing magnetic layer or coating with etching or machining of magnetic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Heads (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
DE19833333590 1982-09-30 1983-09-16 Fertigungsverfahren und -gegenstand Granted DE3333590A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/430,193 US4477968A (en) 1982-09-30 1982-09-30 Method for using a machining sensor

Publications (2)

Publication Number Publication Date
DE3333590A1 DE3333590A1 (de) 1984-04-05
DE3333590C2 true DE3333590C2 (US06373033-20020416-M00002.png) 1991-06-20

Family

ID=23706449

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833333590 Granted DE3333590A1 (de) 1982-09-30 1983-09-16 Fertigungsverfahren und -gegenstand

Country Status (4)

Country Link
US (1) US4477968A (US06373033-20020416-M00002.png)
JP (1) JPS5984323A (US06373033-20020416-M00002.png)
CA (1) CA1233023A (US06373033-20020416-M00002.png)
DE (1) DE3333590A1 (US06373033-20020416-M00002.png)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8200531A (nl) * 1982-02-12 1983-09-01 Philips Nv Magneetkop met gedeeltelijk uitgeetste wikkelopening.
US4841625A (en) * 1982-05-07 1989-06-27 Computer And Communications Technology Corporation Automatic throat height control for film head
DE3513431A1 (de) * 1985-04-15 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung mindestens eines magnetkopfes in duennfilmtechnik
US4689877A (en) * 1985-08-29 1987-09-01 International Business Machines Corp. Method and apparatus for controlling the throat height of batch fabricated thin film magnetic transducers
US4878315A (en) * 1985-09-03 1989-11-07 The Charles Stark Draper Laboratory, Inc. Griding guide and method
US4748773A (en) * 1985-09-03 1988-06-07 The Charles Stark Draper Laboratory, Inc. Biased grinding assembly
US4648211A (en) * 1985-09-03 1987-03-10 The Charles Stark Draper Laboratory, Inc. Grinding guide and method for controlling the automatic grinding of objects
US4648212A (en) * 1985-09-03 1987-03-10 The Charles Stark Draper Laboratory, Inc. Automatic grinding machine
US5175938A (en) * 1988-08-31 1993-01-05 Digital Equipment Corporation Electrical guide for tight tolerance machining
US5023991A (en) * 1988-08-31 1991-06-18 Digital Equipment Corporation Electrical guide for tight tolerance machining
US4914868A (en) * 1988-09-28 1990-04-10 International Business Machines Corporation Lapping control system for magnetic transducers
US4912883A (en) * 1989-02-13 1990-04-03 International Business Machines Corporation Lapping control system for magnetic transducers
US5402074A (en) * 1993-05-13 1995-03-28 Seagate Technology, Inc. Thin film magnetic head having electrical connection to core
US5463805A (en) * 1994-02-07 1995-11-07 Seagate Technology, Inc. Method of lapping MR. sensors
US5722155A (en) * 1996-01-11 1998-03-03 Seagate Technology, Inc. Machining guide method for magnetic recording reproduce heads
US6047224A (en) * 1996-04-10 2000-04-04 Seagate Techology, Inc. Machining guide for magnetic recording reproduce heads
US5742995A (en) * 1996-05-24 1998-04-28 Seagate Technology, Inc. Method to predict an accurate MR sensor dimension when viewed from abs
US5755612A (en) * 1996-10-28 1998-05-26 Seagate Technology, Inc. Small foot machining guide for recording heads
KR100422436B1 (ko) * 1996-10-29 2004-03-12 시게이트 테크놀로지 엘엘씨 개선된 전기 랩 가이드 배선 구조
USRE38340E1 (en) * 1996-11-04 2003-12-02 Seagate Technology Llc Multi-point bending of bars during fabrication of magnetic recording heads
US5951371A (en) * 1996-11-04 1999-09-14 Seagate Technology, Inc. Multi-point bending of bars during fabrication of magnetic recording heads
CN1082867C (zh) * 1996-11-04 2002-04-17 西加特技术有限责任公司 用于研磨承载多个滑动体的条杆的装置
US6475064B2 (en) 1996-12-13 2002-11-05 Seagate Technology Llc Multipoint bending apparatus for lapping heads of a data storage device
US6287170B1 (en) 1996-12-13 2001-09-11 Seagate Technology Llc Multipoint bending apparatus for lapping heads of a data storage device
US5991698A (en) * 1997-01-29 1999-11-23 Seagate Technology, Inc. Electrical lap guide data acquisition unit and measurement scheme
US5738566A (en) * 1997-03-31 1998-04-14 Seagate Technology, Inc. Lapping guide system, method and article of manufacture
WO2002007154A2 (en) * 2000-07-13 2002-01-24 Seagate Technology Llc Process and apparatus for finishing a magnetic slider

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821815A (en) * 1972-10-11 1974-06-28 Ibm Apparatus for batch fabricating magnetic film heads and method therefor
US4014141A (en) * 1974-03-11 1977-03-29 International Business Machines Corporation Apparatus and method for controlling magnetic head surface formation
US3982318A (en) * 1976-01-29 1976-09-28 Control Data Corporation Magnetic transducer head core manufacturing method
JPS6037522B2 (ja) * 1980-01-07 1985-08-27 株式会社日立製作所 薄膜磁気ヘツドの製造方法
US4457114A (en) * 1982-09-30 1984-07-03 Magnetic Peripherals Inc. Workpiece carrier

Also Published As

Publication number Publication date
JPS5984323A (ja) 1984-05-16
CA1233023A (en) 1988-02-23
DE3333590A1 (de) 1984-04-05
US4477968A (en) 1984-10-23
CA1250435C (US06373033-20020416-M00002.png) 1989-02-28

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZ

8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: SEAGATE TECHNOLOGY INTERNATIONAL, GEORGETOWN, GRAN

8128 New person/name/address of the agent

Representative=s name: FEILER, L., DR.RER.NAT. HAENZEL, W., DIPL.-ING. KO

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee