JPS5266455A - Radiation thickness gauge - Google Patents

Radiation thickness gauge

Info

Publication number
JPS5266455A
JPS5266455A JP50141630A JP14163075A JPS5266455A JP S5266455 A JPS5266455 A JP S5266455A JP 50141630 A JP50141630 A JP 50141630A JP 14163075 A JP14163075 A JP 14163075A JP S5266455 A JPS5266455 A JP S5266455A
Authority
JP
Japan
Prior art keywords
thickness gauge
radiation thickness
gauge
outpus
assumes
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
JP50141630A
Other languages
Japanese (ja)
Inventor
Tetsuo Washimi
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 JP50141630A priority Critical patent/JPS5266455A/en
Publication of JPS5266455A publication Critical patent/JPS5266455A/en
Pending legal-status Critical Current

Links

Landscapes

  • Analysing Materials By The Use Of Radiation (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)

Abstract

PURPOSE: To perform the highly accurate measurement of thickness by introducing output pulses of a scintillation counter to two varying pulse height discriminators and so arranging the gauge that the ratio of the respective outpus assumes a predetermined value.
COPYRIGHT: (C)1977,JPO&Japio
JP50141630A 1975-11-28 1975-11-28 Radiation thickness gauge Pending JPS5266455A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50141630A JPS5266455A (en) 1975-11-28 1975-11-28 Radiation thickness gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50141630A JPS5266455A (en) 1975-11-28 1975-11-28 Radiation thickness gauge

Publications (1)

Publication Number Publication Date
JPS5266455A true JPS5266455A (en) 1977-06-01

Family

ID=15296495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50141630A Pending JPS5266455A (en) 1975-11-28 1975-11-28 Radiation thickness gauge

Country Status (1)

Country Link
JP (1) JPS5266455A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60128306A (en) * 1983-12-16 1985-07-09 Nippon Telegr & Teleph Corp <Ntt> Lubricant film thickness measuring method of magnetic disk medium
JPH01301108A (en) * 1988-05-30 1989-12-05 Kubota Ltd Thickness measurement method using radiation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5018083A (en) * 1973-06-12 1975-02-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5018083A (en) * 1973-06-12 1975-02-26

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60128306A (en) * 1983-12-16 1985-07-09 Nippon Telegr & Teleph Corp <Ntt> Lubricant film thickness measuring method of magnetic disk medium
JPH01301108A (en) * 1988-05-30 1989-12-05 Kubota Ltd Thickness measurement method using radiation

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