JPS61945A - 光デイスク溝形状測定装置 - Google Patents

光デイスク溝形状測定装置

Info

Publication number
JPS61945A
JPS61945A JP12236784A JP12236784A JPS61945A JP S61945 A JPS61945 A JP S61945A JP 12236784 A JP12236784 A JP 12236784A JP 12236784 A JP12236784 A JP 12236784A JP S61945 A JPS61945 A JP S61945A
Authority
JP
Japan
Prior art keywords
groove
order
optical disc
optical
reflected
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
JP12236784A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0556571B2 (enrdf_load_stackoverflow
Inventor
Seiji Nishiwaki
青児 西脇
Yoshikazu Goto
芳和 後藤
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP12236784A priority Critical patent/JPS61945A/ja
Publication of JPS61945A publication Critical patent/JPS61945A/ja
Publication of JPH0556571B2 publication Critical patent/JPH0556571B2/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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP12236784A 1984-06-14 1984-06-14 光デイスク溝形状測定装置 Granted JPS61945A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12236784A JPS61945A (ja) 1984-06-14 1984-06-14 光デイスク溝形状測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12236784A JPS61945A (ja) 1984-06-14 1984-06-14 光デイスク溝形状測定装置

Publications (2)

Publication Number Publication Date
JPS61945A true JPS61945A (ja) 1986-01-06
JPH0556571B2 JPH0556571B2 (enrdf_load_stackoverflow) 1993-08-19

Family

ID=14834111

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12236784A Granted JPS61945A (ja) 1984-06-14 1984-06-14 光デイスク溝形状測定装置

Country Status (1)

Country Link
JP (1) JPS61945A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0261511A (ja) * 1988-08-29 1990-03-01 Nippon Telegr & Teleph Corp <Ntt> 周期性表面構造の測定装置
JPH07185360A (ja) * 1993-10-28 1995-07-25 F Hoffmann La Roche Ag 自動ピペット採取装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0261511A (ja) * 1988-08-29 1990-03-01 Nippon Telegr & Teleph Corp <Ntt> 周期性表面構造の測定装置
JPH07185360A (ja) * 1993-10-28 1995-07-25 F Hoffmann La Roche Ag 自動ピペット採取装置

Also Published As

Publication number Publication date
JPH0556571B2 (enrdf_load_stackoverflow) 1993-08-19

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