JPH0127084Y2 - - Google Patents
Info
- Publication number
- JPH0127084Y2 JPH0127084Y2 JP1988006067U JP606788U JPH0127084Y2 JP H0127084 Y2 JPH0127084 Y2 JP H0127084Y2 JP 1988006067 U JP1988006067 U JP 1988006067U JP 606788 U JP606788 U JP 606788U JP H0127084 Y2 JPH0127084 Y2 JP H0127084Y2
- Authority
- JP
- Japan
- Prior art keywords
- defect
- scattered light
- laser beam
- width
- maximum
- 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
Links
- 230000007547 defect Effects 0.000 claims description 67
- 238000001514 detection method Methods 0.000 claims description 13
- 230000002950 deficient Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 description 24
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004069 differentiation Effects 0.000 description 3
- 238000003908 quality control method Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988006067U JPH0127084Y2 (de) | 1988-01-21 | 1988-01-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988006067U JPH0127084Y2 (de) | 1988-01-21 | 1988-01-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63148858U JPS63148858U (de) | 1988-09-30 |
JPH0127084Y2 true JPH0127084Y2 (de) | 1989-08-14 |
Family
ID=30788233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988006067U Expired JPH0127084Y2 (de) | 1988-01-21 | 1988-01-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0127084Y2 (de) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5439681A (en) * | 1977-09-05 | 1979-03-27 | Nippon Sheet Glass Co Ltd | Distinguishing apparatus of defect kinds of glass sheet |
-
1988
- 1988-01-21 JP JP1988006067U patent/JPH0127084Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5439681A (en) * | 1977-09-05 | 1979-03-27 | Nippon Sheet Glass Co Ltd | Distinguishing apparatus of defect kinds of glass sheet |
Also Published As
Publication number | Publication date |
---|---|
JPS63148858U (de) | 1988-09-30 |
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