JPH0461012U - - Google Patents
Info
- Publication number
- JPH0461012U JPH0461012U JP10461890U JP10461890U JPH0461012U JP H0461012 U JPH0461012 U JP H0461012U JP 10461890 U JP10461890 U JP 10461890U JP 10461890 U JP10461890 U JP 10461890U JP H0461012 U JPH0461012 U JP H0461012U
- Authority
- JP
- Japan
- Prior art keywords
- pinhole
- infrared rays
- metal plate
- converts
- electrical signal
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10461890U JPH0461012U (en]) | 1990-10-04 | 1990-10-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10461890U JPH0461012U (en]) | 1990-10-04 | 1990-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0461012U true JPH0461012U (en]) | 1992-05-26 |
Family
ID=31849970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10461890U Pending JPH0461012U (en]) | 1990-10-04 | 1990-10-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0461012U (en]) |
-
1990
- 1990-10-04 JP JP10461890U patent/JPH0461012U/ja active Pending
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