GB888331A - A method of and apparatus for testing an electrically non-conductive material for non-homogeneous zones - Google Patents

A method of and apparatus for testing an electrically non-conductive material for non-homogeneous zones

Info

Publication number
GB888331A
GB888331A GB1628/58A GB162858A GB888331A GB 888331 A GB888331 A GB 888331A GB 1628/58 A GB1628/58 A GB 1628/58A GB 162858 A GB162858 A GB 162858A GB 888331 A GB888331 A GB 888331A
Authority
GB
United Kingdom
Prior art keywords
sheet
generator
waves
scan
waveguide
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
GB1628/58A
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 de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain 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 de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Publication of GB888331A publication Critical patent/GB888331A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G01N22/02—Investigating the presence of flaws

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB1628/58A 1957-01-16 1958-01-16 A method of and apparatus for testing an electrically non-conductive material for non-homogeneous zones Expired GB888331A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1200017X 1957-01-16

Publications (1)

Publication Number Publication Date
GB888331A true GB888331A (en) 1962-01-31

Family

ID=9670760

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1628/58A Expired GB888331A (en) 1957-01-16 1958-01-16 A method of and apparatus for testing an electrically non-conductive material for non-homogeneous zones

Country Status (5)

Country Link
US (1) US3144601A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE564022A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1200017B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1164771A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB888331A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3278841A (en) * 1963-06-27 1966-10-11 United Aircraft Corp Microwave flaw detection system
US3492464A (en) * 1965-07-15 1970-01-27 Ibm Record medium reading apparatus
US3810005A (en) * 1973-03-26 1974-05-07 Ind Dev Design Flaw detection system using microwaves
US4052666A (en) * 1976-04-15 1977-10-04 Nasa Remote sensing of vegetation and soil using microwave ellipsometry
US4156843A (en) * 1978-03-13 1979-05-29 Strandberg Engineering Laboratories, Inc. Microwave moisture indicator and control
SE8000410L (sv) * 1979-01-20 1980-07-21 Lambda Ind Science Ltd Sprickdetektor
US4408156A (en) * 1979-05-01 1983-10-04 N. V. Bekaert S.A. Sheet articles of non-conductive material marked for identification purposes, and method and apparatus for identifying such articles
FI58719C (fi) * 1979-06-01 1981-04-10 Instrumentarium Oy Diagnostiseringsanordning foer broestkancer
HU184426B (en) * 1981-04-21 1984-08-28 Mta Mueszaki Fiz Kutato Inteze Method and apparatus for sensing solid or liquid bodies passing a part of field throug
JPS6183946A (ja) * 1984-10-01 1986-04-28 Kanzaki Paper Mfg Co Ltd シ−ト状物質の配向測定方法
US5185579A (en) * 1991-07-31 1993-02-09 Hughes Aircraft Company Detection and ranging of material flaws using microwave transmission line reflectometry
US5933014A (en) * 1994-11-23 1999-08-03 Fraunhofer Gesellschaft Zur Foerderung Process for detecting totally or partially hidden non-homogeneities by means of microwave radiation
WO1997010514A1 (en) * 1995-09-11 1997-03-20 Yissum Research Development Company Of The Hebrew University Of Jerusalem Near-field resistivity microscope
US5859535A (en) * 1997-02-12 1999-01-12 The United States Of America As Represented By The Secretary Of The Navy System for determining size and location of defects in material by use of microwave radiation
US6359446B1 (en) 1997-09-25 2002-03-19 Jack R. Little, Jr. Apparatus and method for nondestructive testing of dielectric materials
DE69839567D1 (de) * 1997-09-25 2008-07-10 Little Jack R Jr Zerstörungsfreies prüfungsverfahren für dielektrische materialen
US6172510B1 (en) 1998-12-30 2001-01-09 The United Sates Of America As Represented By The Secretary Of The Navy System for detection of flaws by use of microwave radiation
WO2006017385A1 (en) * 2004-08-05 2006-02-16 Little Jack R Jr High-resolution, nondestructive imaging of dielectric materials
EP2215128B1 (de) * 2007-11-26 2012-01-18 Basf Se Verfahren zur kontinuierlichen herstellung wasserabsorbierender polymerpartikel
US10911515B2 (en) 2012-05-24 2021-02-02 Deka Products Limited Partnership System, method, and apparatus for electronic patient care
US9719964B2 (en) * 2013-07-31 2017-08-01 Deka Products Limited Partnership System, method, and apparatus for bubble detection in a fluid line using a split-ring resonator
SG11201602177PA (en) 2013-09-25 2016-04-28 Evisive Inc Nondestructive, absolute determination of thickness of or depth in dielectric materials

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE678113C (de) * 1936-02-29 1939-07-08 Abraham Esau Dr Verfahren zur Untersuchung der Beschaffenheit von Koerpern mittels drahtloser Wellen
US2455941A (en) * 1944-12-13 1948-12-14 Gulf Research Development Co Geophysical prospecting in boreholes by microwaves
US2455942A (en) * 1944-12-13 1948-12-14 Gulf Research Development Co Geophysical exploration of boreholes by microwaves
US2463297A (en) * 1944-12-21 1949-03-01 Gulf Research Development Co Apparatus for testing insulating materials
US2457695A (en) * 1945-09-24 1948-12-28 Sylvania Electric Prod Ultra high frequency apparatus for inspection of sheet and other materials
US2659860A (en) * 1949-08-27 1953-11-17 Inst Textile Tech Method and apparatus for measuring moisture content
US2596530A (en) * 1949-12-09 1952-05-13 Atomic Energy Commission Vibration measuring device
US2797388A (en) * 1956-05-07 1957-06-25 Paul C Maybury Apparatus for measuring attenuation
US2952296A (en) * 1956-08-17 1960-09-13 Boeing Co Radome electric wall thickness measurement and correction

Also Published As

Publication number Publication date
US3144601A (en) 1964-08-11
FR1164771A (fr) 1958-10-14
BE564022A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE1200017B (de) 1965-09-02

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