JPS52127259A - Observing surface sharpe - Google Patents

Observing surface sharpe

Info

Publication number
JPS52127259A
JPS52127259A JP4397476A JP4397476A JPS52127259A JP S52127259 A JPS52127259 A JP S52127259A JP 4397476 A JP4397476 A JP 4397476A JP 4397476 A JP4397476 A JP 4397476A JP S52127259 A JPS52127259 A JP S52127259A
Authority
JP
Japan
Prior art keywords
sharpe
web
observing surface
light
light rays
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
JP4397476A
Other languages
English (en)
Other versions
JPS6337323B2 (ja
Inventor
Shigehisa Shimizu
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP4397476A priority Critical patent/JPS52127259A/ja
Publication of JPS52127259A publication Critical patent/JPS52127259A/ja
Publication of JPS6337323B2 publication Critical patent/JPS6337323B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
JP4397476A 1976-04-17 1976-04-17 Observing surface sharpe Granted JPS52127259A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4397476A JPS52127259A (en) 1976-04-17 1976-04-17 Observing surface sharpe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4397476A JPS52127259A (en) 1976-04-17 1976-04-17 Observing surface sharpe

Publications (2)

Publication Number Publication Date
JPS52127259A true JPS52127259A (en) 1977-10-25
JPS6337323B2 JPS6337323B2 (ja) 1988-07-25

Family

ID=12678679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4397476A Granted JPS52127259A (en) 1976-04-17 1976-04-17 Observing surface sharpe

Country Status (1)

Country Link
JP (1) JPS52127259A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55167283U (ja) * 1979-05-18 1980-12-01
JPS59168311A (ja) * 1983-03-15 1984-09-22 Hamamatsu Photonics Kk 物体表面の変形を検出する装置
JPS60168576A (ja) * 1984-02-10 1985-09-02 株式会社名南製作所 合板の選別処理方法
JPS6119750U (ja) * 1984-07-10 1986-02-05 三菱重工業株式会社 プレスマ−ク検出装置
JP2012074727A (ja) * 2004-03-26 2012-04-12 Semiconductor Energy Lab Co Ltd 半導体装置の作製方法及びレーザ照射装置
JP2021162584A (ja) * 2020-03-31 2021-10-11 Ｊｆｅスチール株式会社 表面欠陥検出装置、表面欠陥検出方法、鋼板の製造方法、鋼板の品質管理方法、及び、鋼板の製造設備

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4968956U (ja) * 1972-09-28 1974-06-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4968956U (ja) * 1972-09-28 1974-06-15

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55167283U (ja) * 1979-05-18 1980-12-01
JPS59168311A (ja) * 1983-03-15 1984-09-22 Hamamatsu Photonics Kk 物体表面の変形を検出する装置
JPS60168576A (ja) * 1984-02-10 1985-09-02 株式会社名南製作所 合板の選別処理方法
JPS6119750U (ja) * 1984-07-10 1986-02-05 三菱重工業株式会社 プレスマ−ク検出装置
JPH048326Y2 (ja) * 1984-07-10 1992-03-03
JP2012074727A (ja) * 2004-03-26 2012-04-12 Semiconductor Energy Lab Co Ltd 半導体装置の作製方法及びレーザ照射装置
US9296068B2 (en) 2004-03-26 2016-03-29 Semiconductor Energy Laboratory Co., Ltd. Laser irradiation method and laser irradiation apparatus
JP2021162584A (ja) * 2020-03-31 2021-10-11 Ｊｆｅスチール株式会社 表面欠陥検出装置、表面欠陥検出方法、鋼板の製造方法、鋼板の品質管理方法、及び、鋼板の製造設備

Also Published As

Publication number Publication date
JPS6337323B2 (ja) 1988-07-25

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