JPS57207853A - Lighting device for inspecting thin plate having semitransmission characteristics - Google Patents

Lighting device for inspecting thin plate having semitransmission characteristics

Info

Publication number
JPS57207853A
JPS57207853A JP56093595A JP9359581A JPS57207853A JP S57207853 A JPS57207853 A JP S57207853A JP 56093595 A JP56093595 A JP 56093595A JP 9359581 A JP9359581 A JP 9359581A JP S57207853 A JPS57207853 A JP S57207853A
Authority
JP
Japan
Prior art keywords
lighting
semitransmission
lighting device
luminance
thin plate
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.)
Granted
Application number
JP56093595A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6341414B2 (enExample
Inventor
Hideo Kichise
Kenjiro Hashimoto
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 JP56093595A priority Critical patent/JPS57207853A/ja
Publication of JPS57207853A publication Critical patent/JPS57207853A/ja
Publication of JPS6341414B2 publication Critical patent/JPS6341414B2/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
    • G01N21/8803—Visual inspection

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)
JP56093595A 1981-06-16 1981-06-16 Lighting device for inspecting thin plate having semitransmission characteristics Granted JPS57207853A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56093595A JPS57207853A (en) 1981-06-16 1981-06-16 Lighting device for inspecting thin plate having semitransmission characteristics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56093595A JPS57207853A (en) 1981-06-16 1981-06-16 Lighting device for inspecting thin plate having semitransmission characteristics

Publications (2)

Publication Number Publication Date
JPS57207853A true JPS57207853A (en) 1982-12-20
JPS6341414B2 JPS6341414B2 (enExample) 1988-08-17

Family

ID=14086655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56093595A Granted JPS57207853A (en) 1981-06-16 1981-06-16 Lighting device for inspecting thin plate having semitransmission characteristics

Country Status (1)

Country Link
JP (1) JPS57207853A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6339377A (ja) * 1986-08-05 1988-02-19 Ricoh Co Ltd 可逆性感熱記録材料
JPH032350U (enExample) * 1989-05-30 1991-01-10
JPH0628517A (ja) * 1992-03-31 1994-02-04 Sutabitsuku:Kk 照明撮像装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6339377A (ja) * 1986-08-05 1988-02-19 Ricoh Co Ltd 可逆性感熱記録材料
JPH032350U (enExample) * 1989-05-30 1991-01-10
JPH0628517A (ja) * 1992-03-31 1994-02-04 Sutabitsuku:Kk 照明撮像装置

Also Published As

Publication number Publication date
JPS6341414B2 (enExample) 1988-08-17

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