JPH0334003B2 - - Google Patents

Info

Publication number
JPH0334003B2
JPH0334003B2 JP60062278A JP6227885A JPH0334003B2 JP H0334003 B2 JPH0334003 B2 JP H0334003B2 JP 60062278 A JP60062278 A JP 60062278A JP 6227885 A JP6227885 A JP 6227885A JP H0334003 B2 JPH0334003 B2 JP H0334003B2
Authority
JP
Japan
Prior art keywords
disk
turntable
error
angle
vertical axis
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
Application number
JP60062278A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61219815A (ja
Inventor
Kenta Mikurya
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric Corp
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 Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to JP6227885A priority Critical patent/JPS61219815A/ja
Publication of JPS61219815A publication Critical patent/JPS61219815A/ja
Publication of JPH0334003B2 publication Critical patent/JPH0334003B2/ja
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
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/306—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces for measuring evenness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
JP6227885A 1985-03-27 1985-03-27 デイスク形状測定装置 Granted JPS61219815A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6227885A JPS61219815A (ja) 1985-03-27 1985-03-27 デイスク形状測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6227885A JPS61219815A (ja) 1985-03-27 1985-03-27 デイスク形状測定装置

Publications (2)

Publication Number Publication Date
JPS61219815A JPS61219815A (ja) 1986-09-30
JPH0334003B2 true JPH0334003B2 (enrdf_load_stackoverflow) 1991-05-21

Family

ID=13195512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6227885A Granted JPS61219815A (ja) 1985-03-27 1985-03-27 デイスク形状測定装置

Country Status (1)

Country Link
JP (1) JPS61219815A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08227523A (ja) * 1995-02-22 1996-09-03 Nec Corp ランアウト測定装置
JP5112212B2 (ja) * 2008-07-29 2013-01-09 日本発條株式会社 変位測定装置および変位測定方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH553960A (de) * 1973-05-14 1974-09-13 Contraves Ag Laengen oder winkel-messeinrichtung.
JPS5082488A (enrdf_load_stackoverflow) * 1973-11-26 1975-07-03

Also Published As

Publication number Publication date
JPS61219815A (ja) 1986-09-30

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