JPS6331048B2 - - Google Patents

Info

Publication number
JPS6331048B2
JPS6331048B2 JP55181140A JP18114080A JPS6331048B2 JP S6331048 B2 JPS6331048 B2 JP S6331048B2 JP 55181140 A JP55181140 A JP 55181140A JP 18114080 A JP18114080 A JP 18114080A JP S6331048 B2 JPS6331048 B2 JP S6331048B2
Authority
JP
Japan
Prior art keywords
defect
detected
detecting
laser beam
light
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
Application number
JP55181140A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57104839A (en
Inventor
Toshuki Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anritsu Corp
Original Assignee
Anritsu Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anritsu Corp filed Critical Anritsu Corp
Priority to JP18114080A priority Critical patent/JPS57104839A/ja
Publication of JPS57104839A publication Critical patent/JPS57104839A/ja
Publication of JPS6331048B2 publication Critical patent/JPS6331048B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP18114080A 1980-12-20 1980-12-20 Fault detector Granted JPS57104839A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18114080A JPS57104839A (en) 1980-12-20 1980-12-20 Fault detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18114080A JPS57104839A (en) 1980-12-20 1980-12-20 Fault detector

Publications (2)

Publication Number Publication Date
JPS57104839A JPS57104839A (en) 1982-06-30
JPS6331048B2 true JPS6331048B2 (enrdf_load_stackoverflow) 1988-06-22

Family

ID=16095582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18114080A Granted JPS57104839A (en) 1980-12-20 1980-12-20 Fault detector

Country Status (1)

Country Link
JP (1) JPS57104839A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009186281A (ja) * 2008-02-05 2009-08-20 Nippon Electric Glass Co Ltd ガラス物品の欠陥検査方法及び欠陥検査装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
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
JPS54106289A (en) * 1978-02-07 1979-08-21 Nippon Sheet Glass Co Ltd Defect detector for glass sheet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009186281A (ja) * 2008-02-05 2009-08-20 Nippon Electric Glass Co Ltd ガラス物品の欠陥検査方法及び欠陥検査装置

Also Published As

Publication number Publication date
JPS57104839A (en) 1982-06-30

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