FR988767A - Jauge d'épaisseur perfectionnée à particules infra-atomiques - Google Patents

Jauge d'épaisseur perfectionnée à particules infra-atomiques

Info

Publication number
FR988767A
FR988767A FR988767DA FR988767A FR 988767 A FR988767 A FR 988767A FR 988767D A FR988767D A FR 988767DA FR 988767 A FR988767 A FR 988767A
Authority
FR
France
Prior art keywords
infra
thickness gauge
particle thickness
atomic particle
atomic
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR988767A publication Critical patent/FR988767A/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S131/00—Tobacco
    • Y10S131/905—Radiation source for sensing condition or characteristic

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)
  • Measurement Of Radiation (AREA)
FR988767D 1948-06-19 1949-06-17 Jauge d'épaisseur perfectionnée à particules infra-atomiques Expired FR988767A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33945A US2488269A (en) 1948-06-19 1948-06-19 Noncontacting thickness gauge

Publications (1)

Publication Number Publication Date
FR988767A true FR988767A (fr) 1951-08-31

Family

ID=21873371

Family Applications (1)

Application Number Title Priority Date Filing Date
FR988767D Expired FR988767A (fr) 1948-06-19 1949-06-17 Jauge d'épaisseur perfectionnée à particules infra-atomiques

Country Status (3)

Country Link
US (1) US2488269A (fr)
FR (1) FR988767A (fr)
GB (1) GB666786A (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2582981A (en) * 1949-06-16 1952-01-22 Fua Frederic Albert Method and apparatus for the employment of radiation from radioactive material in gauging
US2539203A (en) * 1950-02-17 1951-01-23 Gen Electric Noncontacting thickness gauge
US2670650A (en) * 1950-04-25 1954-03-02 Padevco Inc Electronic limit micrometer
US2932391A (en) * 1951-08-02 1960-04-12 American Mach & Foundry Cigarette rod density measuring apparatus
US2659012A (en) * 1951-08-07 1953-11-10 Bromberg Robert X-ray densitometer
US2790945A (en) * 1952-05-05 1957-04-30 Industrial Nucleonics Corp Measuring system
US2694804A (en) * 1952-05-22 1954-11-16 Giddings & Lewis Positioning device
US2728554A (en) * 1952-08-04 1955-12-27 Eastman Oil Well Survey Co Means for orienting tools in well bores
US2809638A (en) * 1952-11-13 1957-10-15 Molins Machine Co Ltd Machines for manipulating cut tobacco
US2800131A (en) * 1953-03-16 1957-07-23 Molins Machine Co Ltd Machines for manipulating cut tobacco
US2904698A (en) * 1953-04-03 1959-09-15 Burroughs Corp Photocell actuated systems
US2861683A (en) * 1953-04-13 1958-11-25 American Mach & Foundry Measurement of cigarette rod density by radiation
US2903590A (en) * 1953-09-17 1959-09-08 Gen Motors Corp Nuclear radiation measuring instrument
US2937280A (en) * 1953-09-24 1960-05-17 American Mach & Foundry Detecting apparatus
US2945130A (en) * 1954-01-13 1960-07-12 Ekco Electronics Ltd Thickness measuring gauges using radioactive material
US2966628A (en) * 1954-02-25 1960-12-27 Frieseke And Hoepfner G M B H System for measuring moisture content of paper or the like
US2971461A (en) * 1955-04-22 1961-02-14 Harris Intertype Corp Method and means for measuring ink film thickness
US2978589A (en) * 1956-01-16 1961-04-04 Servo Corp Of America Optical pyrometer
US2884536A (en) * 1956-01-26 1959-04-28 Foxboro Co Radio-active gauging characterization device
US2964707A (en) * 1956-07-23 1960-12-13 Industrial Nucleonics Corp Signal distribution system
US3008369A (en) * 1956-08-22 1961-11-14 Bell Telephone Labor Inc Optical thickness gauge
US2920272A (en) * 1957-01-09 1960-01-05 Industrial Nucleonics Corp Moisture measuring system
US2951161A (en) * 1957-05-31 1960-08-30 Industrial Nucleonics Corp Cascade standardization
US3038082A (en) * 1959-08-20 1962-06-05 Continental Elektro Ind Ag Photometric device
US3154685A (en) * 1961-05-05 1964-10-27 Industrial Nucleonics Corp Selective ray energy utilization in radiation gauging systems having spectral-energy ray sources
US4285745A (en) * 1979-08-01 1981-08-25 Ppg Industries, Inc. Method of determining optical quality of a laminated article
US4371482A (en) * 1979-08-01 1983-02-01 Ppg Industries, Inc. Method of determining optical quality of a shaped article

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2349429A (en) * 1942-04-29 1944-05-23 Texaco Development Corp Method and apparatus for measuring thickness
US2451572A (en) * 1945-12-27 1948-10-19 Bell Telephone Labor Inc Radiant energy measuring apparatus

Also Published As

Publication number Publication date
GB666786A (en) 1952-02-20
US2488269A (en) 1949-11-15

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