JPH02135928U - - Google Patents
Info
- Publication number
- JPH02135928U JPH02135928U JP4210489U JP4210489U JPH02135928U JP H02135928 U JPH02135928 U JP H02135928U JP 4210489 U JP4210489 U JP 4210489U JP 4210489 U JP4210489 U JP 4210489U JP H02135928 U JPH02135928 U JP H02135928U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- mask
- jig
- function
- guiding
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- 238000004544 sputter deposition Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4210489U JPH02135928U (cs) | 1989-04-11 | 1989-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4210489U JPH02135928U (cs) | 1989-04-11 | 1989-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02135928U true JPH02135928U (cs) | 1990-11-13 |
Family
ID=31553353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4210489U Pending JPH02135928U (cs) | 1989-04-11 | 1989-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135928U (cs) |
-
1989
- 1989-04-11 JP JP4210489U patent/JPH02135928U/ja active Pending
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