FR968514A - Chi-ray thickness gauge - Google Patents

Chi-ray thickness gauge

Info

Publication number
FR968514A
FR968514A FR968514DA FR968514A FR 968514 A FR968514 A FR 968514A FR 968514D A FR968514D A FR 968514DA FR 968514 A FR968514 A FR 968514A
Authority
FR
France
Prior art keywords
chi
thickness gauge
ray thickness
ray
gauge
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
Other languages
French (fr)
Inventor
Fitz-Hugh B Marshall
John W Coltman
Richard L Longini
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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
Priority claimed from US758014A external-priority patent/US2512355A/en
Priority claimed from US776508A external-priority patent/US2542822A/en
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR968514A publication Critical patent/FR968514A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/083—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the radiation being X-rays

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
FR968514D 1947-06-30 1948-06-29 Chi-ray thickness gauge Expired FR968514A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US758014A US2512355A (en) 1947-06-30 1947-06-30 X-ray thickness gauge
US776508A US2542822A (en) 1947-09-27 1947-09-27 X-ray thickness gauge

Publications (1)

Publication Number Publication Date
FR968514A true FR968514A (en) 1950-11-29

Family

ID=22259392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR968514D Expired FR968514A (en) 1947-06-30 1948-06-29 Chi-ray thickness gauge

Country Status (3)

Country Link
BE (1) BE483359A (en)
FR (1) FR968514A (en)
GB (1) GB638253A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325020A1 (en) * 1975-05-10 1977-04-15 Heath Gloucester Ltd BAND PROFILE MEASUREMENT GAUGE

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20080072A1 (en) * 2008-04-04 2009-10-05 Danieli Automation Spa SHEET METER FOR SHEET METERS AND ITS MEASUREMENT PROCEDURE
CN106610386B (en) * 2017-03-01 2023-04-07 国家电网公司 Dry-type transformer winding material rapid identification method and detection device based on X-ray dosage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325020A1 (en) * 1975-05-10 1977-04-15 Heath Gloucester Ltd BAND PROFILE MEASUREMENT GAUGE

Also Published As

Publication number Publication date
BE483359A (en) 1948-07-15
GB638253A (en) 1950-06-07

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