JPS5629148A - Detector for defect of optical material - Google Patents

Detector for defect of optical material

Info

Publication number
JPS5629148A
JPS5629148A JP10528179A JP10528179A JPS5629148A JP S5629148 A JPS5629148 A JP S5629148A JP 10528179 A JP10528179 A JP 10528179A JP 10528179 A JP10528179 A JP 10528179A JP S5629148 A JPS5629148 A JP S5629148A
Authority
JP
Japan
Prior art keywords
light
inclusion
light flux
set level
scattered
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
Application number
JP10528179A
Other languages
English (en)
Inventor
Yoshiharu Yamamoto
Takashi Nagata
Eiji Tanaka
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10528179A priority Critical patent/JPS5629148A/ja
Publication of JPS5629148A publication Critical patent/JPS5629148A/ja
Pending 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

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)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
JP10528179A 1979-08-17 1979-08-17 Detector for defect of optical material Pending JPS5629148A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10528179A JPS5629148A (en) 1979-08-17 1979-08-17 Detector for defect of optical material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10528179A JPS5629148A (en) 1979-08-17 1979-08-17 Detector for defect of optical material

Publications (1)

Publication Number Publication Date
JPS5629148A true JPS5629148A (en) 1981-03-23

Family

ID=14403284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10528179A Pending JPS5629148A (en) 1979-08-17 1979-08-17 Detector for defect of optical material

Country Status (1)

Country Link
JP (1) JPS5629148A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59116038A (ja) * 1982-12-22 1984-07-04 Taizo Ishikawa 単色光源を用いた探傷方法
JPS60153196U (ja) * 1984-03-22 1985-10-12 株式会社　マルサン 玩具用駆動歯車

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59116038A (ja) * 1982-12-22 1984-07-04 Taizo Ishikawa 単色光源を用いた探傷方法
JPS60153196U (ja) * 1984-03-22 1985-10-12 株式会社　マルサン 玩具用駆動歯車

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