JPH0373803B2 - - Google Patents

Info

Publication number
JPH0373803B2
JPH0373803B2 JP6728082A JP6728082A JPH0373803B2 JP H0373803 B2 JPH0373803 B2 JP H0373803B2 JP 6728082 A JP6728082 A JP 6728082A JP 6728082 A JP6728082 A JP 6728082A JP H0373803 B2 JPH0373803 B2 JP H0373803B2
Authority
JP
Japan
Prior art keywords
signal
scanning
gap
slider
interference
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
JP6728082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58184504A (ja
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 filed Critical
Priority to JP6728082A priority Critical patent/JPS58184504A/ja
Publication of JPS58184504A publication Critical patent/JPS58184504A/ja
Publication of JPH0373803B2 publication Critical patent/JPH0373803B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/14Measuring 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)
JP6728082A 1982-04-23 1982-04-23 微小すきまの光学的測定方法 Granted JPS58184504A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6728082A JPS58184504A (ja) 1982-04-23 1982-04-23 微小すきまの光学的測定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6728082A JPS58184504A (ja) 1982-04-23 1982-04-23 微小すきまの光学的測定方法

Publications (2)

Publication Number Publication Date
JPS58184504A JPS58184504A (ja) 1983-10-28
JPH0373803B2 true JPH0373803B2 (enrdf_load_stackoverflow) 1991-11-25

Family

ID=13340395

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6728082A Granted JPS58184504A (ja) 1982-04-23 1982-04-23 微小すきまの光学的測定方法

Country Status (1)

Country Link
JP (1) JPS58184504A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60131408A (ja) * 1983-12-21 1985-07-13 Hitachi Ltd 微小隙間測定装置
JPH0820226B2 (ja) * 1985-11-18 1996-03-04 ソニー株式会社 ヘツド浮上量測定方法

Also Published As

Publication number Publication date
JPS58184504A (ja) 1983-10-28

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