GB8323617D0 - Machinable prism - Google Patents

Machinable prism

Info

Publication number
GB8323617D0
GB8323617D0 GB838323617A GB8323617A GB8323617D0 GB 8323617 D0 GB8323617 D0 GB 8323617D0 GB 838323617 A GB838323617 A GB 838323617A GB 8323617 A GB8323617 A GB 8323617A GB 8323617 D0 GB8323617 D0 GB 8323617D0
Authority
GB
United Kingdom
Prior art keywords
machinable
prism
machinable prism
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.)
Granted
Application number
GB838323617A
Other versions
GB2128747B (en
GB2128747A (en
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.)
Magnetic Peripherals Inc
Original Assignee
Magnetic Peripherals Inc
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
Priority claimed from US06/430,193 external-priority patent/US4477968A/en
Application filed by Magnetic Peripherals Inc filed Critical Magnetic Peripherals Inc
Publication of GB8323617D0 publication Critical patent/GB8323617D0/en
Publication of GB2128747A publication Critical patent/GB2128747A/en
Application granted granted Critical
Publication of GB2128747B publication Critical patent/GB2128747B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Magnetic Heads (AREA)
GB08323617A 1982-09-30 1983-09-02 Machinable prism method of forming the same machining guide and method of calibrating a machining sensor Expired GB2128747B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43019482A 1982-09-30 1982-09-30
US06/430,193 US4477968A (en) 1982-09-30 1982-09-30 Method for using a machining sensor

Publications (3)

Publication Number Publication Date
GB8323617D0 true GB8323617D0 (en) 1983-10-05
GB2128747A GB2128747A (en) 1984-05-02
GB2128747B GB2128747B (en) 1985-11-06

Family

ID=27028482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08323617A Expired GB2128747B (en) 1982-09-30 1983-09-02 Machinable prism method of forming the same machining guide and method of calibrating a machining sensor

Country Status (3)

Country Link
AU (1) AU563366B2 (en)
FR (1) FR2534053B1 (en)
GB (1) GB2128747B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3537129C2 (en) * 1985-10-18 1996-06-13 Crostack Horst Artur Prof Dr I Method and device for non-destructive material testing, especially for thickness determination
DE3639917A1 (en) * 1986-11-22 1988-06-01 Krupp Gmbh DEVICE FOR THE EARLY DETECTION OF CUTTING BREAKS AND LIMIT WEARING OF TOOLS FOR CUTTING MACHINING
US5023991A (en) * 1988-08-31 1991-06-18 Digital Equipment Corporation Electrical guide for tight tolerance machining
US5175938A (en) * 1988-08-31 1993-01-05 Digital Equipment Corporation Electrical guide for tight tolerance machining
WO1995002241A1 (en) * 1993-07-07 1995-01-19 Digital Equipment Corporation Electrical lapping guides for thin-film disk sliders

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5794923A (en) * 1980-12-05 1982-06-12 Hitachi Ltd Polishing method for thin-film ceramic head
DE3118850A1 (en) * 1981-05-12 1982-12-02 Siemens AG, 1000 Berlin und 8000 München Method for producing a substrate having structures which are applied at a constant distance from a substrate edge and are bounded in a straight line, and an arrangement for carrying out the method
JPS5877015A (en) * 1981-10-30 1983-05-10 Hitachi Ltd Production of thin film magnetic head

Also Published As

Publication number Publication date
GB2128747B (en) 1985-11-06
GB2128747A (en) 1984-05-02
FR2534053A1 (en) 1984-04-06
FR2534053B1 (en) 1987-02-27
AU1874283A (en) 1984-04-05
AU563366B2 (en) 1987-07-09

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970902