JPH0327841B2 - - Google Patents

Info

Publication number
JPH0327841B2
JPH0327841B2 JP6228085A JP6228085A JPH0327841B2 JP H0327841 B2 JPH0327841 B2 JP H0327841B2 JP 6228085 A JP6228085 A JP 6228085A JP 6228085 A JP6228085 A JP 6228085A JP H0327841 B2 JPH0327841 B2 JP H0327841B2
Authority
JP
Japan
Prior art keywords
disk
error
turntable
displacement
angle
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
Application number
JP6228085A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61219817A (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 JP6228085A priority Critical patent/JPS61219817A/ja
Publication of JPS61219817A publication Critical patent/JPS61219817A/ja
Publication of JPH0327841B2 publication Critical patent/JPH0327841B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP6228085A 1985-03-27 1985-03-27 デイスク形状測定装置 Granted JPS61219817A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6228085A JPS61219817A (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
JP6228085A JPS61219817A (ja) 1985-03-27 1985-03-27 デイスク形状測定装置

Publications (2)

Publication Number Publication Date
JPS61219817A JPS61219817A (ja) 1986-09-30
JPH0327841B2 true JPH0327841B2 (en16) 1991-04-17

Family

ID=13195566

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6228085A Granted JPS61219817A (ja) 1985-03-27 1985-03-27 デイスク形状測定装置

Country Status (1)

Country Link
JP (1) JPS61219817A (en16)

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
JP2006322868A (ja) * 2005-05-20 2006-11-30 Olympus Corp ３次元形状測定方法

Also Published As

Publication number Publication date
JPS61219817A (ja) 1986-09-30

Similar Documents

Publication Publication Date Title
US4884259A (en) Optical memory disk and track access therefor
JP2799002B2 (ja) ディスク装置
KR920008679A (ko) 변환기 위치 설정 방법 및 장치
US4475183A (en) Optical disk retrieval methods, media and systems employing digital data of high fractional bandwidth
JP2635610B2 (ja) ディスク装置
JP2653073B2 (ja) ディスク状記録媒体
JP3265527B2 (ja) 情報記録媒体
JP3437277B2 (ja) 回転情報検出装置及び回転情報検出方法
JPH0512768B2 (en16)
JPH02156426A (ja) アクセス速度検出装置
JP2752190B2 (ja) ディスク装置
JPH0327841B2 (en16)
JPS61260432A (ja) 光デイスク装置のトラツキング補正方法
JPH0334003B2 (en16)
JPH1011766A (ja) 円盤状光記録媒体記録再生装置および円盤状光記録媒体
JPS61219816A (ja) デイスク形状測定装置
JPS6159673A (ja) 光デイスク装置のトラツクアクセス方法および光デイスク
JPS647425B2 (en16)
JPH05144051A (ja) デイスク媒体の偏心補正方法
US6414814B1 (en) Method and apparatus for minimizing once per revolution positional errors in single disc servo track writing
JPS5810194Y2 (ja) 光学的記録再生装置
JPS6157084A (ja) トラツキング・サ−ボ方法
JPS61239440A (ja) 光学的情報記録再生装置
JP2785217B2 (ja) 光ディスク装置
JP2713999B2 (ja) ディスク装置