JPH0352890B2 - - Google Patents
Info
- Publication number
- JPH0352890B2 JPH0352890B2 JP60062279A JP6227985A JPH0352890B2 JP H0352890 B2 JPH0352890 B2 JP H0352890B2 JP 60062279 A JP60062279 A JP 60062279A JP 6227985 A JP6227985 A JP 6227985A JP H0352890 B2 JPH0352890 B2 JP H0352890B2
- Authority
- JP
- Japan
- Prior art keywords
- disk
- eccentricity
- turntable
- angle
- center
- 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
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)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6227985A JPS61219816A (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 |
|---|---|---|---|
| JP6227985A JPS61219816A (ja) | 1985-03-27 | 1985-03-27 | デイスク形状測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61219816A JPS61219816A (ja) | 1986-09-30 |
| JPH0352890B2 true JPH0352890B2 (enrdf_load_stackoverflow) | 1991-08-13 |
Family
ID=13195540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6227985A Granted JPS61219816A (ja) | 1985-03-27 | 1985-03-27 | デイスク形状測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61219816A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006505883A (ja) | 2002-11-06 | 2006-02-16 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 回転ディスクの角度位置を決定するための装置及び方法 |
| JP5182536B2 (ja) * | 2010-07-07 | 2013-04-17 | パルステック工業株式会社 | スタンパー偏心量測定方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5944699B2 (ja) * | 1974-12-18 | 1984-10-31 | 株式会社日立製作所 | 偏心検出方式 |
| JPS5288054A (en) * | 1976-01-16 | 1977-07-22 | Osaka Kiko Co Ltd | Method of and apparatus for accurately measuring inner and outer diameter of work |
| JPS5853843A (ja) * | 1981-09-25 | 1983-03-30 | Toshiba Corp | 半導体装置の製造方法 |
-
1985
- 1985-03-27 JP JP6227985A patent/JPS61219816A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61219816A (ja) | 1986-09-30 |
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