JPS639842Y2 - - Google Patents
Info
- Publication number
- JPS639842Y2 JPS639842Y2 JP16522580U JP16522580U JPS639842Y2 JP S639842 Y2 JPS639842 Y2 JP S639842Y2 JP 16522580 U JP16522580 U JP 16522580U JP 16522580 U JP16522580 U JP 16522580U JP S639842 Y2 JPS639842 Y2 JP S639842Y2
- Authority
- JP
- Japan
- Prior art keywords
- record
- turntable sheet
- turntable
- center
- tapered
- 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
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 description 9
- 229910003460 diamond Inorganic materials 0.000 description 6
- 239000010432 diamond Substances 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 241001422033 Thestylus Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16522580U JPS639842Y2 (enrdf_load_stackoverflow) | 1980-11-18 | 1980-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16522580U JPS639842Y2 (enrdf_load_stackoverflow) | 1980-11-18 | 1980-11-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5787315U JPS5787315U (enrdf_load_stackoverflow) | 1982-05-29 |
| JPS639842Y2 true JPS639842Y2 (enrdf_load_stackoverflow) | 1988-03-24 |
Family
ID=29523927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16522580U Expired JPS639842Y2 (enrdf_load_stackoverflow) | 1980-11-18 | 1980-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS639842Y2 (enrdf_load_stackoverflow) |
-
1980
- 1980-11-18 JP JP16522580U patent/JPS639842Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5787315U (enrdf_load_stackoverflow) | 1982-05-29 |
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