JPH0551081B2 - - Google Patents

Info

Publication number
JPH0551081B2
JPH0551081B2 JP61014297A JP1429786A JPH0551081B2 JP H0551081 B2 JPH0551081 B2 JP H0551081B2 JP 61014297 A JP61014297 A JP 61014297A JP 1429786 A JP1429786 A JP 1429786A JP H0551081 B2 JPH0551081 B2 JP H0551081B2
Authority
JP
Japan
Prior art keywords
flat plate
light beam
flatness
light
optical image
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 - Lifetime
Application number
JP61014297A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62172210A (ja
Inventor
Kenichi Matsui
Hidefumi Tachibana
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP61014297A priority Critical patent/JPS62172210A/ja
Publication of JPS62172210A publication Critical patent/JPS62172210A/ja
Publication of JPH0551081B2 publication Critical patent/JPH0551081B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
JP61014297A 1986-01-24 1986-01-24 平板の平坦度測定装置 Granted JPS62172210A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61014297A JPS62172210A (ja) 1986-01-24 1986-01-24 平板の平坦度測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61014297A JPS62172210A (ja) 1986-01-24 1986-01-24 平板の平坦度測定装置

Publications (2)

Publication Number Publication Date
JPS62172210A JPS62172210A (ja) 1987-07-29
JPH0551081B2 true JPH0551081B2 (enExample) 1993-07-30

Family

ID=11857156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61014297A Granted JPS62172210A (ja) 1986-01-24 1986-01-24 平板の平坦度測定装置

Country Status (1)

Country Link
JP (1) JPS62172210A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100433256B1 (ko) * 1999-12-22 2004-05-27 주식회사 포스코 압연소재 단면형상 측정장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6082804A (ja) * 1983-10-12 1985-05-11 Nippon Steel Corp 走行帯状体の形状検出方法

Also Published As

Publication number Publication date
JPS62172210A (ja) 1987-07-29

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