JPH01162301U - - Google Patents
Info
- Publication number
- JPH01162301U JPH01162301U JP5653288U JP5653288U JPH01162301U JP H01162301 U JPH01162301 U JP H01162301U JP 5653288 U JP5653288 U JP 5653288U JP 5653288 U JP5653288 U JP 5653288U JP H01162301 U JPH01162301 U JP H01162301U
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- light shielding
- fresnel surface
- transparent substrate
- fresnel
- 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
- 239000000758 substrate Substances 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 239000010408 film Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Elimination Of Static Electricity (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5653288U JPH01162301U (en]) | 1988-04-28 | 1988-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5653288U JPH01162301U (en]) | 1988-04-28 | 1988-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162301U true JPH01162301U (en]) | 1989-11-13 |
Family
ID=31282402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5653288U Pending JPH01162301U (en]) | 1988-04-28 | 1988-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162301U (en]) |
-
1988
- 1988-04-28 JP JP5653288U patent/JPH01162301U/ja active Pending