FR2549219B1 - Detecteur de contamination piezo-electrique - Google Patents

Detecteur de contamination piezo-electrique

Info

Publication number
FR2549219B1
FR2549219B1 FR848411046A FR8411046A FR2549219B1 FR 2549219 B1 FR2549219 B1 FR 2549219B1 FR 848411046 A FR848411046 A FR 848411046A FR 8411046 A FR8411046 A FR 8411046A FR 2549219 B1 FR2549219 B1 FR 2549219B1
Authority
FR
France
Prior art keywords
contamination detector
piezoelectric
piezoelectric contamination
detector
contamination
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
FR848411046A
Other languages
English (en)
Other versions
FR2549219A1 (fr
Inventor
Joerg Sekler
Alphonse E Zumsteg
Hans-Erich Hintermann
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.)
Centre Suisse dElectronique et Microtechnique SA CSEM
Original Assignee
Laboratoire Suisse de Recherches Horlogeres
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 Laboratoire Suisse de Recherches Horlogeres filed Critical Laboratoire Suisse de Recherches Horlogeres
Publication of FR2549219A1 publication Critical patent/FR2549219A1/fr
Application granted granted Critical
Publication of FR2549219B1 publication Critical patent/FR2549219B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/063—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using piezoelectric resonators
    • G01B7/066—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using piezoelectric resonators for measuring thickness of coating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02881—Temperature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radiation Pyrometers (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Radiation (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR848411046A 1983-07-13 1984-07-11 Detecteur de contamination piezo-electrique Expired FR2549219B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3826/83A CH662421A5 (de) 1983-07-13 1983-07-13 Piezoelektrischer kontaminationsdetektor.

Publications (2)

Publication Number Publication Date
FR2549219A1 FR2549219A1 (fr) 1985-01-18
FR2549219B1 true FR2549219B1 (fr) 1989-12-22

Family

ID=4264296

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848411046A Expired FR2549219B1 (fr) 1983-07-13 1984-07-11 Detecteur de contamination piezo-electrique

Country Status (7)

Country Link
US (1) US4561286A (fr)
JP (1) JPS6039530A (fr)
CH (1) CH662421A5 (fr)
DE (1) DE3422741A1 (fr)
FR (1) FR2549219B1 (fr)
GB (1) GB2149109B (fr)
NL (1) NL191803C (fr)

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Also Published As

Publication number Publication date
CH662421A5 (de) 1987-09-30
JPS6039530A (ja) 1985-03-01
DE3422741A1 (de) 1985-02-14
US4561286A (en) 1985-12-31
NL8402080A (nl) 1985-02-01
GB2149109A (en) 1985-06-05
GB2149109B (en) 1986-12-17
GB8416481D0 (en) 1984-08-01
NL191803B (nl) 1996-04-01
FR2549219A1 (fr) 1985-01-18
NL191803C (nl) 1996-08-02
DE3422741C2 (fr) 1993-07-29

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