JPS5492795A - Infrared flaw detecting device - Google Patents

Infrared flaw detecting device

Info

Publication number
JPS5492795A
JPS5492795A JP15834977A JP15834977A JPS5492795A JP S5492795 A JPS5492795 A JP S5492795A JP 15834977 A JP15834977 A JP 15834977A JP 15834977 A JP15834977 A JP 15834977A JP S5492795 A JPS5492795 A JP S5492795A
Authority
JP
Japan
Prior art keywords
circuit
signal
crack
signals
scanning
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
JP15834977A
Other languages
English (en)
Inventor
Takashi Tsuda
Takeshi Inoue
Kunio Kurita
Takeshi Kitagawa
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.)
JFE Steel Corp
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Kawasaki Steel 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 Fujitsu Ltd, Kawasaki Steel Corp filed Critical Fujitsu Ltd
Priority to JP15834977A priority Critical patent/JPS5492795A/ja
Publication of JPS5492795A publication Critical patent/JPS5492795A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP15834977A 1977-12-30 1977-12-30 Infrared flaw detecting device Pending JPS5492795A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15834977A JPS5492795A (en) 1977-12-30 1977-12-30 Infrared flaw detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15834977A JPS5492795A (en) 1977-12-30 1977-12-30 Infrared flaw detecting device

Publications (1)

Publication Number Publication Date
JPS5492795A true JPS5492795A (en) 1979-07-23

Family

ID=15669697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15834977A Pending JPS5492795A (en) 1977-12-30 1977-12-30 Infrared flaw detecting device

Country Status (1)

Country Link
JP (1) JPS5492795A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63182554A (ja) * 1987-01-23 1988-07-27 Fuji Photo Film Co Ltd 表面検査装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50153691A (ja) * 1974-05-31 1975-12-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50153691A (ja) * 1974-05-31 1975-12-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63182554A (ja) * 1987-01-23 1988-07-27 Fuji Photo Film Co Ltd 表面検査装置

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