CH654926A5 - Procede et comparateur thermoelectrique pour identifier un materiau. - Google Patents

Procede et comparateur thermoelectrique pour identifier un materiau. Download PDF

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Publication number
CH654926A5
CH654926A5 CH6079/83A CH607983A CH654926A5 CH 654926 A5 CH654926 A5 CH 654926A5 CH 6079/83 A CH6079/83 A CH 6079/83A CH 607983 A CH607983 A CH 607983A CH 654926 A5 CH654926 A5 CH 654926A5
Authority
CH
Switzerland
Prior art keywords
head
thermoelectric
junctions
thermocouple
branches
Prior art date
Application number
CH6079/83A
Other languages
English (en)
French (fr)
Inventor
Hiroshi Julian Goldsmid
Original Assignee
Unisearch 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 Unisearch Ltd filed Critical Unisearch Ltd
Publication of CH654926A5 publication Critical patent/CH654926A5/fr

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/18Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/389Precious stones; Pearls

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
CH6079/83A 1979-03-28 1980-03-27 Procede et comparateur thermoelectrique pour identifier un materiau. CH654926A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPD822179 1979-03-28

Publications (1)

Publication Number Publication Date
CH654926A5 true CH654926A5 (fr) 1986-03-14

Family

ID=3768042

Family Applications (2)

Application Number Title Priority Date Filing Date
CH6079/83A CH654926A5 (fr) 1979-03-28 1980-03-27 Procede et comparateur thermoelectrique pour identifier un materiau.
CH242880A CH639490A5 (fr) 1979-03-28 1980-03-27 Procede et comparateur thermoelectrique pour identifier un materiau.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH242880A CH639490A5 (fr) 1979-03-28 1980-03-27 Procede et comparateur thermoelectrique pour identifier un materiau.

Country Status (17)

Country Link
US (1) US4324129A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS55132939A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU521261B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE882512A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1137788A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (2) CH654926A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3011224C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2452708A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2051372B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
HK (1) HK64884A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL59607A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN152818B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1131086B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL179613C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE439543B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SG (1) SG34484G (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA801463B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4320781A1 (de) * 1993-06-23 1994-03-03 Praessl Wendl Maria Theresia Wärmeleitfähigkeits-Meßgerät

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052857B1 (en) * 1980-11-25 1985-04-03 Unisearch Limited Hardness tester
US6265884B1 (en) 1998-05-13 2001-07-24 Ceres Corporation Electrical conductivity gem tester
US6439766B1 (en) * 2001-02-06 2002-08-27 Oris L. Nelson Diamond detecting apparatus and method
BE1015022A3 (nl) * 2002-07-05 2004-08-03 Wetenschappelijk En Tech Onder Werkwijze en inrichting voor het onderscheiden van edelstenen.
US9329145B2 (en) 2010-07-27 2016-05-03 Korea Institute Of Science And Technology Material screening apparatus
GB201818888D0 (en) * 2018-11-20 2019-01-02 Univ Oxford Innovation Ltd Apparatus and methods for testing a smaple
JP7323108B2 (ja) * 2019-02-28 2023-08-08 オザワ科学株式会社 熱電特性評価ユニット、熱電特性評価装置及び熱電特性評価方法
US20240027358A1 (en) * 2022-07-20 2024-01-25 Smart Pro Instrument Co., Ltd. Diamond and colorless gemstone multi-tester

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2330599A (en) * 1941-10-17 1943-09-28 Gen Electric Thermal testing apparatus
US2951360A (en) * 1956-03-30 1960-09-06 Gen Electric Thermal conductivity testing
US3075377A (en) * 1956-10-17 1963-01-29 Owens Corning Fiberglass Corp Apparatus for determining thermal conductivity of materials
GB855658A (en) * 1956-11-29 1960-12-07 Nat Res Dev Improvements in and relating to the measurement of thermal conductivity
GB1036124A (en) * 1962-01-19 1966-07-13 Nat Res Dev Method and means for making measurements involving thermal conductivity
US3369389A (en) * 1964-10-09 1968-02-20 Arvin Ind Inc Thermal testing apparatus
US3611786A (en) * 1969-05-23 1971-10-12 Bell Telephone Labor Inc Measurement of thermal conductivity of hard crystalline bodies
US3688558A (en) * 1970-09-16 1972-09-05 Renault Estimation of thermal feeling intensity on human skin
US3662587A (en) * 1970-10-02 1972-05-16 Us Army Thermal conductivity apparatus
US3668927A (en) * 1970-10-16 1972-06-13 Atlantic Richfield Co Borehole thermal conductivity measurements
US3971246A (en) * 1972-12-21 1976-07-27 Showa Denko Kabushiki Kaisha Method and apparatus for measuring the coefficient of thermal conductivity of a sample
US4255962A (en) * 1978-04-10 1981-03-17 Ceres Corporation Method and means of rapidly distinguishing a simulated diamond from natural diamond

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4320781A1 (de) * 1993-06-23 1994-03-03 Praessl Wendl Maria Theresia Wärmeleitfähigkeits-Meßgerät

Also Published As

Publication number Publication date
IL59607A (en) 1988-06-30
AU5643980A (en) 1980-10-02
NL179613B (nl) 1986-05-01
AU521261B2 (en) 1982-03-25
NL8001787A (nl) 1980-09-30
IT1131086B (it) 1986-06-18
CA1137788A (en) 1982-12-21
DE3011224C2 (de) 1986-01-30
US4324129A (en) 1982-04-13
GB2051372B (en) 1984-02-01
FR2452708B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-04-20
HK64884A (en) 1984-08-24
BE882512A (fr) 1980-07-16
SE8001871L (sv) 1980-09-29
SG34484G (en) 1985-02-08
CH639490A5 (fr) 1983-11-15
IN152818B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-04-14
SE439543B (sv) 1985-06-17
IT8020953A0 (it) 1980-03-27
IL59607A0 (en) 1980-06-30
NL179613C (nl) 1986-10-01
DE3011224A1 (de) 1980-10-09
ZA801463B (en) 1981-03-25
JPS55132939A (en) 1980-10-16
FR2452708A1 (fr) 1980-10-24
GB2051372A (en) 1981-01-14
JPS6122255B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-05-30

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