JPH0338522B2 - - Google Patents

Info

Publication number
JPH0338522B2
JPH0338522B2 JP13289780A JP13289780A JPH0338522B2 JP H0338522 B2 JPH0338522 B2 JP H0338522B2 JP 13289780 A JP13289780 A JP 13289780A JP 13289780 A JP13289780 A JP 13289780A JP H0338522 B2 JPH0338522 B2 JP H0338522B2
Authority
JP
Japan
Prior art keywords
interference fringes
wavelength
determined
gap
equation
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
Application number
JP13289780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5759106A (en
Inventor
Seiichiro Terajima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13289780A priority Critical patent/JPS5759106A/ja
Publication of JPS5759106A publication Critical patent/JPS5759106A/ja
Publication of JPH0338522B2 publication Critical patent/JPH0338522B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP13289780A 1980-09-26 1980-09-26 Measuring method for fine clearance Granted JPS5759106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13289780A JPS5759106A (en) 1980-09-26 1980-09-26 Measuring method for fine clearance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13289780A JPS5759106A (en) 1980-09-26 1980-09-26 Measuring method for fine clearance

Publications (2)

Publication Number Publication Date
JPS5759106A JPS5759106A (en) 1982-04-09
JPH0338522B2 true JPH0338522B2 (enExample) 1991-06-11

Family

ID=15092098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13289780A Granted JPS5759106A (en) 1980-09-26 1980-09-26 Measuring method for fine clearance

Country Status (1)

Country Link
JP (1) JPS5759106A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0684153B2 (ja) * 1989-12-29 1994-10-26 住友金属工業株式会社 鉄道車両の空気ばねへの給気方法

Also Published As

Publication number Publication date
JPS5759106A (en) 1982-04-09

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