JPH0352887B2 - - Google Patents
Info
- Publication number
- JPH0352887B2 JPH0352887B2 JP243985A JP243985A JPH0352887B2 JP H0352887 B2 JPH0352887 B2 JP H0352887B2 JP 243985 A JP243985 A JP 243985A JP 243985 A JP243985 A JP 243985A JP H0352887 B2 JPH0352887 B2 JP H0352887B2
- Authority
- JP
- Japan
- Prior art keywords
- light intensity
- magnetic head
- magnetic disk
- intensity
- light
- 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
Links
- 238000000034 method Methods 0.000 claims description 22
- 239000012780 transparent material Substances 0.000 claims description 19
- 230000002452 interceptive effect Effects 0.000 claims description 2
- 238000000691 measurement method Methods 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 14
- 238000005259 measurement Methods 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 13
- 238000011088 calibration curve Methods 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 210000003323 beak Anatomy 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000004439 roughness measurement Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP243985A JPS61161408A (ja) | 1985-01-10 | 1985-01-10 | 磁気ヘツド浮上すきま測定方法およびその装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP243985A JPS61161408A (ja) | 1985-01-10 | 1985-01-10 | 磁気ヘツド浮上すきま測定方法およびその装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61161408A JPS61161408A (ja) | 1986-07-22 |
| JPH0352887B2 true JPH0352887B2 (zh) | 1991-08-13 |
Family
ID=11529303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP243985A Granted JPS61161408A (ja) | 1985-01-10 | 1985-01-10 | 磁気ヘツド浮上すきま測定方法およびその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61161408A (zh) |
-
1985
- 1985-01-10 JP JP243985A patent/JPS61161408A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61161408A (ja) | 1986-07-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |