FR996231A - Instrument de mesure des épaisseurs par les rayons bêta - Google Patents

Instrument de mesure des épaisseurs par les rayons bêta

Info

Publication number
FR996231A
FR996231A FR996231DA FR996231A FR 996231 A FR996231 A FR 996231A FR 996231D A FR996231D A FR 996231DA FR 996231 A FR996231 A FR 996231A
Authority
FR
France
Prior art keywords
measurement instrument
thickness measurement
beta ray
ray thickness
beta
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
English (en)
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.)
Wingfoot Corp
Original Assignee
Wingfoot 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
Application filed by Wingfoot Corp filed Critical Wingfoot Corp
Application granted granted Critical
Publication of FR996231A publication Critical patent/FR996231A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01N23/16—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 material being a moving sheet or film

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR996231D 1948-10-28 1949-09-23 Instrument de mesure des épaisseurs par les rayons bêta Expired FR996231A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US996231XA 1948-10-28 1948-10-28

Publications (1)

Publication Number Publication Date
FR996231A true FR996231A (fr) 1951-12-17

Family

ID=22275880

Family Applications (1)

Application Number Title Priority Date Filing Date
FR996231D Expired FR996231A (fr) 1948-10-28 1949-09-23 Instrument de mesure des épaisseurs par les rayons bêta

Country Status (1)

Country Link
FR (1) FR996231A (fr)

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