JPS5250783A - Stylus type surface measuring instrument - Google Patents

Stylus type surface measuring instrument

Info

Publication number
JPS5250783A
JPS5250783A JP12626575A JP12626575A JPS5250783A JP S5250783 A JPS5250783 A JP S5250783A JP 12626575 A JP12626575 A JP 12626575A JP 12626575 A JP12626575 A JP 12626575A JP S5250783 A JPS5250783 A JP S5250783A
Authority
JP
Japan
Prior art keywords
measuring instrument
type surface
surface measuring
stylus type
conductor
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
JP12626575A
Other languages
Japanese (ja)
Other versions
JPS5251394A (en
Inventor
Yoshihiko Yamamoto
Masahiro Hashimoto
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP12626575A priority Critical patent/JPS5251394A/en
Publication of JPS5250783A publication Critical patent/JPS5250783A/en
Publication of JPS5251394A publication Critical patent/JPS5251394A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution

Abstract

PURPOSE:To make it possible to accurately obtain the shape of the cutting edge of abrasive grains and the distribution of the abrasive grains by adding the characteristics diagrams of conductor and non-conductor being the characteristics of abrasive grain materials in grind stone to the recording diagrams of a surface roughness meter, etc.
JP12626575A 1975-10-22 1975-10-22 Preparation of 6-n-substituted-aminopurines Pending JPS5251394A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12626575A JPS5251394A (en) 1975-10-22 1975-10-22 Preparation of 6-n-substituted-aminopurines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12626575A JPS5251394A (en) 1975-10-22 1975-10-22 Preparation of 6-n-substituted-aminopurines

Publications (2)

Publication Number Publication Date
JPS5250783A true JPS5250783A (en) 1977-04-23
JPS5251394A JPS5251394A (en) 1977-04-25

Family

ID=14930894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12626575A Pending JPS5251394A (en) 1975-10-22 1975-10-22 Preparation of 6-n-substituted-aminopurines

Country Status (1)

Country Link
JP (1) JPS5251394A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611344A (en) * 1979-07-03 1981-02-04 Westinghouse Electric Corp Measuring apparatus for surface flaw
US4765181A (en) * 1985-08-08 1988-08-23 Tokyo Seimitsu Co., Ltd. Surface texture measuring instrument

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2966488A (en) * 1956-07-30 1960-12-27 Shive William Substituted alkylaminopurines

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2966488A (en) * 1956-07-30 1960-12-27 Shive William Substituted alkylaminopurines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611344A (en) * 1979-07-03 1981-02-04 Westinghouse Electric Corp Measuring apparatus for surface flaw
US4765181A (en) * 1985-08-08 1988-08-23 Tokyo Seimitsu Co., Ltd. Surface texture measuring instrument

Also Published As

Publication number Publication date
JPS5251394A (en) 1977-04-25

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