DE3720160A1 - Messung an formkoerpern aus nichtmetallischem material - Google Patents

Messung an formkoerpern aus nichtmetallischem material

Info

Publication number
DE3720160A1
DE3720160A1 DE19873720160 DE3720160A DE3720160A1 DE 3720160 A1 DE3720160 A1 DE 3720160A1 DE 19873720160 DE19873720160 DE 19873720160 DE 3720160 A DE3720160 A DE 3720160A DE 3720160 A1 DE3720160 A1 DE 3720160A1
Authority
DE
Germany
Prior art keywords
thickness
ceramic
khz
molded body
measurement
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.)
Granted
Application number
DE19873720160
Other languages
German (de)
English (en)
Other versions
DE3720160C2 (enExample
Inventor
Nobuo Takahashi
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
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 NGK Insulators Ltd filed Critical NGK Insulators Ltd
Publication of DE3720160A1 publication Critical patent/DE3720160A1/de
Application granted granted Critical
Publication of DE3720160C2 publication Critical patent/DE3720160C2/de
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G01B7/105Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring thickness of coating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
DE19873720160 1986-06-18 1987-06-16 Messung an formkoerpern aus nichtmetallischem material Granted DE3720160A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61140282A JPS62298701A (ja) 1986-06-18 1986-06-18 非金属材料成形体の寸法測定法

Publications (2)

Publication Number Publication Date
DE3720160A1 true DE3720160A1 (de) 1987-12-23
DE3720160C2 DE3720160C2 (enExample) 1990-08-23

Family

ID=15265152

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873720160 Granted DE3720160A1 (de) 1986-06-18 1987-06-16 Messung an formkoerpern aus nichtmetallischem material

Country Status (4)

Country Link
US (1) US4870359A (enExample)
JP (1) JPS62298701A (enExample)
CA (1) CA1269711A (enExample)
DE (1) DE3720160A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815009A1 (de) * 1988-04-30 1989-11-09 Leybold Ag Einrichtung und verfahren zum zerstoerungsfreien messen des ohmschen widerstands duenner schichten nach dem wirbelstrom-prinzip
DE3815011A1 (de) * 1988-04-30 1989-11-16 Leybold Ag Einrichtung zum zerstoerungsfreien messen des ohmschen widerstands duenner schichten

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5200704A (en) * 1991-02-28 1993-04-06 Westinghouse Electric Corp. System and method including a buried flexible sheet target impregnated with ferromagnetic particles and eddy current probe for determining proximity of a non-conductive underground structure
DE69222207T2 (de) * 1991-03-13 1998-03-05 Westinghouse Electric Corp Verfahren zur Feststellung des Verformungmasses in einem Material, in Reaktion auf eine zusammendrückende Kraft
DE19951015C1 (de) * 1999-10-22 2001-01-25 Bosch Gmbh Robert Verfahren zur Charakterisierung von Metallelektroden keramischer Sensorelemente
US6793865B2 (en) * 2000-02-11 2004-09-21 Textron Automotive Company Inc. Gage thickness measurement by use of inductive sensors

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1009400B (de) * 1956-04-04 1957-05-29 Karl Deutsch Anordnung und Sonde zum Messen der Dicke nichtferromagnetischer Schichten auf ferromagnetischer Unterlage
GB1410301A (en) * 1973-09-12 1975-10-15 Nix Steingroeve Elektro Physik Electro-magnetic thickness gauge
DE2705624A1 (de) * 1976-02-10 1977-08-11 Elcometer Instr Ltd Messgeraet

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2384529A (en) * 1940-07-27 1945-09-11 Illinois Testing Laboratories Magnetic instrument
US2933677A (en) * 1955-08-26 1960-04-19 Unit Process Assemblies Probe for a thickness testing gage
US3093793A (en) * 1961-06-20 1963-06-11 Hicken James Insulation testing apparatus
US3430132A (en) * 1964-02-28 1969-02-25 Uniroyal Inc Magnetic thickness measuring apparatus utilizing one fixed and one movable measuring coil
US3462680A (en) * 1965-12-06 1969-08-19 Cons Paper Inc Method and apparatus for magnetically measuring the thickness of a moving web and for engaging and disengaging said apparatus with the web
US3441840A (en) * 1967-03-31 1969-04-29 Martin Marietta Corp Electronic thickness meter having direct readout of coating thickness
US3710241A (en) * 1970-09-08 1973-01-09 Dineen Enterprises Inc Apparatus for detecting faults in extruded insulating or dielectric material
BE793568A (fr) * 1971-12-30 1973-04-16 Western Electric Co Procede de surveillance de la capacite et de l'excentricite d'un cable coaxial pendant l'extrusion de l'isolant
US4010416A (en) * 1975-08-08 1977-03-01 Westinghouse Electric Corporation Method and apparatus for testing dielectric adequacy and for indicating physical defects in a nonconducting material
CA1038038A (en) * 1976-04-30 1978-09-05 Northern Telecom Limited Apparatus for measuring and indicating the thickness of non-metallic coatings
JPS5655802A (en) * 1979-10-15 1981-05-16 Fuji Electric Co Ltd Detecting method for thickness of refractory lining in induction furnace
NZ205098A (en) * 1982-08-06 1997-01-29 Australian Wire Ind Pty Wire, conductive coating on magnetic substrate: thickness determination
JPS5983004A (ja) * 1982-11-04 1984-05-14 Nippon Steel Corp 溶融金属容器の耐火物壁厚さ測定方法
DD217304A1 (de) * 1983-08-26 1985-01-09 Elektronische Bauelemente Veb Verfahren zur messung von nichtleitenden schichtdicken
CH667727A5 (de) * 1985-05-28 1988-10-31 Zellweger Uster Ag Messkopf zur induktiven messung der dicke einer isolierenden schicht auf einem elektrischen leiter.
FI852127A0 (fi) * 1985-05-28 1985-05-28 Puumalaisen Tutkimuslaitos Oy Foerfarande foer maetning av tjocklek av en kontinuerlig materialbana och anordning foer tillaempning av foerfarandet.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1009400B (de) * 1956-04-04 1957-05-29 Karl Deutsch Anordnung und Sonde zum Messen der Dicke nichtferromagnetischer Schichten auf ferromagnetischer Unterlage
GB1410301A (en) * 1973-09-12 1975-10-15 Nix Steingroeve Elektro Physik Electro-magnetic thickness gauge
DE2705624A1 (de) * 1976-02-10 1977-08-11 Elcometer Instr Ltd Messgeraet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815009A1 (de) * 1988-04-30 1989-11-09 Leybold Ag Einrichtung und verfahren zum zerstoerungsfreien messen des ohmschen widerstands duenner schichten nach dem wirbelstrom-prinzip
DE3815011A1 (de) * 1988-04-30 1989-11-16 Leybold Ag Einrichtung zum zerstoerungsfreien messen des ohmschen widerstands duenner schichten
US4968947A (en) * 1988-04-30 1990-11-06 Leybold Aktiengesellschaft Apparatus for the non-destructive measurement of the ohmic resistance of thin layers

Also Published As

Publication number Publication date
CA1269711A (en) 1990-05-29
US4870359A (en) 1989-09-26
DE3720160C2 (enExample) 1990-08-23
JPS62298701A (ja) 1987-12-25

Similar Documents

Publication Publication Date Title
DE2058419C3 (de) Verfahren zur Herstellung eines verlustbehafteten Hochfrequenzfilters
EP0080535B1 (de) Messwertaufnehmer für magnetisch-induktive Durchflussmessgeräte
DE4119903C2 (de) Verfahren und Vorrichtung zur Messung dünner Schichten
DE4302158C2 (de) Magnetisch-induktiver Durchflußmesser
DE2449097C3 (de) Meßumformer zur kapazitiven Füllstandsmessung von Flüssigkeitsfüllungen
WO1984002976A1 (fr) Transducteur pour debitmetres a induction magnetique
DE2545473B2 (de) Sensor für reduzierende Gase und Verfahren zu seiner Herstellung
DE3823620C2 (enExample)
EP0755058A2 (de) Elektrisch und thermisch leitfähiger Kunststoff und Verwendung dieses Kunststoffs
DE3720160C2 (enExample)
DE69411686T2 (de) Wirbelstromsensor für zerstörungsfreie prüfung innerhalb von öffnungen in arbeitsstücken oder innerhalb von rohren
DE3416124C2 (de) Verfahren zur Herstellung eines Feuchtigkeitssensors
DE3704413C2 (de) Elektromagnetischer Durchflußmesser
DE3129107C2 (de) Sensor zur Messung der Zusammensetzung eines Gases
EP0205044B1 (de) Hochtemperaturbeständige Dehnungsmesssysteme aus keramischen Materialien
DE4103642A1 (de) Temperaturfuehler
DE3344679A1 (de) Verfahren zum einsintern stiftfoermiger elektroden oder elektrodenschaefte aus metallischem werkstoff in ein keramisches messrohr fuer magnetisch-induktive durchflussmessgeraete
DE1448264B2 (de) Hohlraumresonator fuer gyromagnetische resonanzspektro meter
DE3704410A1 (de) Verfahren zum befestigen eines werkstuecks in einem keramikgegenstand und nach dem verfahren hergestellter werkstueckhaltiger keramikgegenstand
DE2152857B2 (de) Mikrowellen-Resonator
DE3505387C2 (de) Sensor zur Messung dielektrischer Eigenschaften von Meßobjekten im elektrischen Feld
DE2542813C2 (de) Verfahren zur Messung der Dielektrizitätskonstante eines Isolierstoffes
DE1448264C (de) Hohlraumresonator für gyromagnetische Resonanzspektrometer
DE4130135C2 (de) Verfahren zur Herstellung von Formkörpern für Mikroelektrodenarrays
DE4107631C2 (de) Resonator für die Elektronenspinresonanz-Spektroskopie

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: TIEDTKE, H., DIPL.-ING. BUEHLING, G., DIPL.-CHEM. KINNE, R., DIPL.-ING. GRUPE, P., DIPL.-ING. PELLMANN, H., DIPL.-ING. GRAMS, K., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee