JPH0536272Y2 - - Google Patents
Info
- Publication number
- JPH0536272Y2 JPH0536272Y2 JP1988113676U JP11367688U JPH0536272Y2 JP H0536272 Y2 JPH0536272 Y2 JP H0536272Y2 JP 1988113676 U JP1988113676 U JP 1988113676U JP 11367688 U JP11367688 U JP 11367688U JP H0536272 Y2 JPH0536272 Y2 JP H0536272Y2
- Authority
- JP
- Japan
- Prior art keywords
- laser
- laser beam
- semiconductor element
- semiconductor
- defective
- 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 - Lifetime
Links
- 238000010330 laser marking Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 description 57
- 235000012431 wafers Nutrition 0.000 description 19
- 230000002950 deficient Effects 0.000 description 18
- 238000005259 measurement Methods 0.000 description 7
- 239000013307 optical fiber Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 230000001427 coherent effect Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 239000003550 marker Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- PSNPEOOEWZZFPJ-UHFFFAOYSA-N alumane;yttrium Chemical compound [AlH3].[Y] PSNPEOOEWZZFPJ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Lasers (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988113676U JPH0536272Y2 (enExample) | 1988-08-30 | 1988-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988113676U JPH0536272Y2 (enExample) | 1988-08-30 | 1988-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0235445U JPH0235445U (enExample) | 1990-03-07 |
| JPH0536272Y2 true JPH0536272Y2 (enExample) | 1993-09-14 |
Family
ID=31353725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988113676U Expired - Lifetime JPH0536272Y2 (enExample) | 1988-08-30 | 1988-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0536272Y2 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08281620A (ja) * | 1995-04-11 | 1996-10-29 | Kamiyagihachi:Kk | 巴瓦成形装置 |
-
1988
- 1988-08-30 JP JP1988113676U patent/JPH0536272Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0235445U (enExample) | 1990-03-07 |
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