FR1248843A - Détecteur de fuite combiné avec une jauge de vide - Google Patents

Détecteur de fuite combiné avec une jauge de vide

Info

Publication number
FR1248843A
FR1248843A FR818799A FR818799A FR1248843A FR 1248843 A FR1248843 A FR 1248843A FR 818799 A FR818799 A FR 818799A FR 818799 A FR818799 A FR 818799A FR 1248843 A FR1248843 A FR 1248843A
Authority
FR
France
Prior art keywords
vacuum gauge
leak detector
detector combined
combined
leak
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
FR818799A
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 FR1248843A publication Critical patent/FR1248843A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
    • H01J41/06—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of cold cathodes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L21/00—Vacuum gauges
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
FR818799A 1959-02-17 1960-02-17 Détecteur de fuite combiné avec une jauge de vide Expired FR1248843A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US793718A US3085198A (en) 1959-02-17 1959-02-17 Combination leak detector and vacuum gauge

Publications (1)

Publication Number Publication Date
FR1248843A true FR1248843A (fr) 1960-12-23

Family

ID=25160615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818799A Expired FR1248843A (fr) 1959-02-17 1960-02-17 Détecteur de fuite combiné avec une jauge de vide

Country Status (2)

Country Link
US (1) US3085198A (fr)
FR (1) FR1248843A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3324729A (en) * 1964-09-14 1967-06-13 Gen Electric Method and apparatus for detecting leaks
US5979225A (en) * 1997-08-26 1999-11-09 Applied Materials, Inc. Diagnosis process of vacuum failure in a vacuum chamber
US6286362B1 (en) 1999-03-31 2001-09-11 Applied Materials, Inc. Dual mode leak detector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE534288A (fr) * 1953-12-24
US2820946A (en) * 1954-02-01 1958-01-21 Cons Electrodynamics Corp Apparatus for leak detection and pressure measurement
US2830263A (en) * 1955-01-26 1958-04-08 Rca Corp Metal detector
US2873425A (en) * 1956-04-24 1959-02-10 William H Huggins Apparatus and method for detecting voids in dielectric sheet material

Also Published As

Publication number Publication date
US3085198A (en) 1963-04-09

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