CA961927A - Apparatus and method for direct readout of capacitively gauged dimensions - Google Patents

Apparatus and method for direct readout of capacitively gauged dimensions

Info

Publication number
CA961927A
CA961927A CA156,835A CA156835A CA961927A CA 961927 A CA961927 A CA 961927A CA 156835 A CA156835 A CA 156835A CA 961927 A CA961927 A CA 961927A
Authority
CA
Canada
Prior art keywords
gauged
capacitively
dimensions
direct readout
readout
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
CA156,835A
Other languages
English (en)
Other versions
CA156835S (en
Inventor
Robert C. Abbe
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.)
ADE Corp
Original Assignee
ADE 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 ADE Corp filed Critical ADE Corp
Application granted granted Critical
Publication of CA961927A publication Critical patent/CA961927A/en
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
    • G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • 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
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
    • 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
    • G01B7/08—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
CA156,835A 1971-12-09 1972-11-17 Apparatus and method for direct readout of capacitively gauged dimensions Expired CA961927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20636471A 1971-12-09 1971-12-09

Publications (1)

Publication Number Publication Date
CA961927A true CA961927A (en) 1975-01-28

Family

ID=22766043

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,835A Expired CA961927A (en) 1971-12-09 1972-11-17 Apparatus and method for direct readout of capacitively gauged dimensions

Country Status (7)

Country Link
US (1) US3775679A (de)
JP (1) JPS526184B2 (de)
CA (1) CA961927A (de)
DE (1) DE2258691C2 (de)
FR (1) FR2164365A5 (de)
GB (1) GB1392110A (de)
IT (1) IT973956B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990005A (en) * 1974-09-03 1976-11-02 Ade Corporation Capacitive thickness gauging for ungrounded elements
US4103226A (en) * 1976-09-15 1978-07-25 Westinghouse Electric Corp. Apparatus for gauging the texture of a conducting surface
US4190797A (en) * 1978-03-31 1980-02-26 Gould Inc. Capacitive gauging system utilizing a low internal capacitance, high impedance amplifier means
DE3134342A1 (de) * 1981-08-31 1983-03-10 Ingenieure Block + Seichter, 3000 Hannover Elektronischer kapazitiver messkopf fuer distanzmessungen
DE3134322A1 (de) * 1981-08-31 1983-03-10 Ingenieure Block + Seichter, 3000 Hannover Elektronischer kapazitiver messkopf
US4538069A (en) * 1983-10-28 1985-08-27 Control Data Corporation Capacitance height gage applied in reticle position detection system for electron beam lithography apparatus
US4675596A (en) * 1984-09-10 1987-06-23 Zidex Systems Digital fluid analyzer using capacitive sensing
US4931962A (en) * 1988-05-13 1990-06-05 Ade Corporation Fixture and nonrepeatable error compensation system
US4918376A (en) * 1989-03-07 1990-04-17 Ade Corporation A.C. capacitive gauging system
US5102280A (en) * 1989-03-07 1992-04-07 Ade Corporation Robot prealigner
US4958129A (en) * 1989-03-07 1990-09-18 Ade Corporation Prealigner probe
US5440935A (en) * 1993-03-18 1995-08-15 Mts Systems Corporation Apparatus for combining transducer output signals
US5537109A (en) * 1993-05-28 1996-07-16 General Scanning, Inc. Capacitive transducing with feedback
US5511005A (en) * 1994-02-16 1996-04-23 Ade Corporation Wafer handling and processing system
US5642298A (en) * 1994-02-16 1997-06-24 Ade Corporation Wafer testing and self-calibration system
WO2010023632A1 (en) * 2008-08-27 2010-03-04 Sabic Innovative Plastics Ip B.V. Tribocharge test fixture

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012192A (en) * 1961-12-05 Electric system
US2570218A (en) * 1947-06-19 1951-10-09 Michael J Draganjac Remote-indicating fuel gauge
US3034044A (en) * 1957-12-04 1962-05-08 Robert L Konigsberg Electrical bridge
US3260934A (en) * 1962-12-10 1966-07-12 Kurt S Lion Multi-arm transducer bridge
US3445763A (en) * 1965-10-06 1969-05-20 Gen Electric Digital reading impedance measuring arrangement
US3424977A (en) * 1966-05-04 1969-01-28 Human Resources Foundation Capacitive device responsive to water vapor content of a gas including insulated conductive wire electrodes forming a grid
US3497801A (en) * 1967-02-23 1970-02-24 Schwien Eng Inc System for determining the difference in capacitance of two capacitors
US3577072A (en) * 1968-11-19 1971-05-04 Hewlett Packard Co Bridge circuit for differentially measuring capacitance
US3639832A (en) * 1969-12-11 1972-02-01 Ema Dorries Gmbh Electrical bridge apparatus for and method of measuring mechanical forces by magnetoelastic members
US3688190A (en) * 1970-09-25 1972-08-29 Beckman Instruments Inc Differential capacitance circuitry for differential pressure measuring instruments
US3688206A (en) * 1970-09-28 1972-08-29 United Control Corp Ac bridge and detector circuit

Also Published As

Publication number Publication date
DE2258691C2 (de) 1982-12-09
US3775679A (en) 1973-11-27
JPS526184B2 (de) 1977-02-19
GB1392110A (en) 1975-04-23
FR2164365A5 (de) 1973-07-27
JPS4866455A (de) 1973-09-12
DE2258691A1 (de) 1973-06-14
IT973956B (it) 1974-06-10

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