JPH01137245U - - Google Patents
Info
- Publication number
- JPH01137245U JPH01137245U JP3144388U JP3144388U JPH01137245U JP H01137245 U JPH01137245 U JP H01137245U JP 3144388 U JP3144388 U JP 3144388U JP 3144388 U JP3144388 U JP 3144388U JP H01137245 U JPH01137245 U JP H01137245U
- Authority
- JP
- Japan
- Prior art keywords
- optical head
- groove
- substrate
- type optical
- gas discharge
- 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 11
- 239000000758 substrate Substances 0.000 claims 7
Landscapes
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3144388U JPH01137245U (2) | 1988-03-09 | 1988-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3144388U JPH01137245U (2) | 1988-03-09 | 1988-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01137245U true JPH01137245U (2) | 1989-09-20 |
Family
ID=31257307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3144388U Pending JPH01137245U (2) | 1988-03-09 | 1988-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01137245U (2) |
-
1988
- 1988-03-09 JP JP3144388U patent/JPH01137245U/ja active Pending
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