FR2707396B1 - Method and device for detecting homogeneity defects in a strip or thin sheet of dielectric material. - Google Patents

Method and device for detecting homogeneity defects in a strip or thin sheet of dielectric material.

Info

Publication number
FR2707396B1
FR2707396B1 FR9308531A FR9308531A FR2707396B1 FR 2707396 B1 FR2707396 B1 FR 2707396B1 FR 9308531 A FR9308531 A FR 9308531A FR 9308531 A FR9308531 A FR 9308531A FR 2707396 B1 FR2707396 B1 FR 2707396B1
Authority
FR
France
Prior art keywords
strip
dielectric material
thin sheet
homogeneity defects
detecting
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 - Fee Related
Application number
FR9308531A
Other languages
French (fr)
Other versions
FR2707396A1 (en
Inventor
Marzat Claude
Sardos Rene
Faix Thierry
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.)
Universite des Sciences et Tech (Bordeaux 1)
Original Assignee
Universite des Sciences et Tech (Bordeaux 1)
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 Universite des Sciences et Tech (Bordeaux 1) filed Critical Universite des Sciences et Tech (Bordeaux 1)
Priority to FR9308531A priority Critical patent/FR2707396B1/en
Publication of FR2707396A1 publication Critical patent/FR2707396A1/en
Application granted granted Critical
Publication of FR2707396B1 publication Critical patent/FR2707396B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/346—Paper sheets

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR9308531A 1993-07-06 1993-07-06 Method and device for detecting homogeneity defects in a strip or thin sheet of dielectric material. Expired - Fee Related FR2707396B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9308531A FR2707396B1 (en) 1993-07-06 1993-07-06 Method and device for detecting homogeneity defects in a strip or thin sheet of dielectric material.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9308531A FR2707396B1 (en) 1993-07-06 1993-07-06 Method and device for detecting homogeneity defects in a strip or thin sheet of dielectric material.

Publications (2)

Publication Number Publication Date
FR2707396A1 FR2707396A1 (en) 1995-01-13
FR2707396B1 true FR2707396B1 (en) 1995-09-01

Family

ID=9449153

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9308531A Expired - Fee Related FR2707396B1 (en) 1993-07-06 1993-07-06 Method and device for detecting homogeneity defects in a strip or thin sheet of dielectric material.

Country Status (1)

Country Link
FR (1) FR2707396B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10334144A1 (en) * 2003-07-01 2005-01-20 Rieter Ingolstadt Spinnereimaschinenbau Ag Microwave resonator, textile machines with such a resonator and room unit for such a resonator
EP1564548A1 (en) * 2004-02-12 2005-08-17 AMS- Advanced Microwave Systems GmbH Microwave resonator excited in higher modes for measuring dielectric properties of a product
DE202005001756U1 (en) 2004-02-12 2005-05-04 Trützschler GmbH & Co KG Microwave sensor for measuring a dielectric property of a product
CN109978839B (en) * 2019-03-08 2020-12-08 浙江大学 Method for detecting wafer low-texture defects

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2340130C3 (en) * 1973-08-08 1979-08-09 Bayer Ag, 5090 Leverkusen Method for determining the water content of thin, flat materials
FR2529340A1 (en) * 1982-06-25 1983-12-30 Martin Sa Quantitative measurement of aq. surface film on substrate - by comparison of transmitted or reflected strengths of polarised microwave beams
JPS59197843A (en) * 1983-04-26 1984-11-09 Yokogawa Hokushin Electric Corp Microwave moisture meter
FR2619217B1 (en) * 1987-08-04 1989-11-10 Aerospatiale DEVICE FOR CONTINUOUSLY MEASURING THE RATE OF IMPREGNATION BY A SUBSTANCE OF CONDUCTIVE FIBERS OR NON-ELECTRICITY.
JPH01163645A (en) * 1987-12-21 1989-06-27 Kanzaki Paper Mfg Co Ltd Instrument for measuring high frequency character of sheetlike material

Also Published As

Publication number Publication date
FR2707396A1 (en) 1995-01-13

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Legal Events

Date Code Title Description
ST Notification of lapse