FR2337878A1 - Low temp. fracture analysis - uses low pressure chamber and metal deposition impression technique (NL 12.7.77) - Google Patents

Low temp. fracture analysis - uses low pressure chamber and metal deposition impression technique (NL 12.7.77)

Info

Publication number
FR2337878A1
FR2337878A1 FR7600427A FR7600427A FR2337878A1 FR 2337878 A1 FR2337878 A1 FR 2337878A1 FR 7600427 A FR7600427 A FR 7600427A FR 7600427 A FR7600427 A FR 7600427A FR 2337878 A1 FR2337878 A1 FR 2337878A1
Authority
FR
France
Prior art keywords
pressure chamber
metal deposition
layer
low pressure
fracture analysis
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
FR7600427A
Other languages
French (fr)
Other versions
FR2337878B1 (en
Inventor
Jacques Escaig
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7600427A priority Critical patent/FR2337878A1/en
Priority to DE19772700196 priority patent/DE2700196A1/en
Priority to NL7700031A priority patent/NL182983C/en
Priority to CH11277A priority patent/CH614532A5/en
Publication of FR2337878A1 publication Critical patent/FR2337878A1/en
Application granted granted Critical
Publication of FR2337878B1 publication Critical patent/FR2337878B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/42—Low-temperature sample treatment, e.g. cryofixation

Landscapes

  • Physics & Mathematics (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)
  • Sampling And Sample Adjustment (AREA)

Abstract

A method of examining low temp. fractures avoids ambiguous results caused by impurities deposited on the specimen and deformation occurring when the fracture profile is recorded by taking an impression in a metal layer. The sample fracturing and recording take place in a chamber in which the press is maintained below 10-7 Torr so as to avoid impurities. The fracture profile is recorded by depositing a layer of heavy metal such as Tantalum over a period of the order of 1 to 5 minutes in order to avoid deformations. The layer of metal deposited is approximately 10 to 15 Angstroms thick.
FR7600427A 1976-01-09 1976-01-09 Low temp. fracture analysis - uses low pressure chamber and metal deposition impression technique (NL 12.7.77) Granted FR2337878A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7600427A FR2337878A1 (en) 1976-01-09 1976-01-09 Low temp. fracture analysis - uses low pressure chamber and metal deposition impression technique (NL 12.7.77)
DE19772700196 DE2700196A1 (en) 1976-01-09 1977-01-04 METHOD FOR ACHIEVING LOW TEMPERATURE BREAKAGES AND DEVICE FOR CARRYING OUT THE METHOD
NL7700031A NL182983C (en) 1976-01-09 1977-01-04 METHOD AND APPARATUS FOR CRYOFRACTURING TISSUE SAMPLES AND COVERING OF EXPOSED METAL SURFACES
CH11277A CH614532A5 (en) 1976-01-09 1977-01-06 Method for producing cryofractures in samples of animal or vegetable tissue and apparatus for implementing this method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7600427A FR2337878A1 (en) 1976-01-09 1976-01-09 Low temp. fracture analysis - uses low pressure chamber and metal deposition impression technique (NL 12.7.77)

Publications (2)

Publication Number Publication Date
FR2337878A1 true FR2337878A1 (en) 1977-08-05
FR2337878B1 FR2337878B1 (en) 1979-07-06

Family

ID=9167742

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7600427A Granted FR2337878A1 (en) 1976-01-09 1976-01-09 Low temp. fracture analysis - uses low pressure chamber and metal deposition impression technique (NL 12.7.77)

Country Status (4)

Country Link
CH (1) CH614532A5 (en)
DE (1) DE2700196A1 (en)
FR (1) FR2337878A1 (en)
NL (1) NL182983C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6285840A (en) * 1985-10-11 1987-04-20 Kureha Chem Ind Co Ltd Method and device for sample processing using scanning type electron microscope
US5044165A (en) * 1986-12-03 1991-09-03 Board Of Regents, The University Of Texas Cryo-slammer
US4807442A (en) * 1986-12-03 1989-02-28 Board Of Regents The University Of Texas System Cryo-slamming apparatus and method for ultrarapid cooling of biological samples
AU650045B2 (en) 1990-09-12 1994-06-09 Lifecell Corporation Method and apparatus for cryopreparation dry stabilization and rehydration of biological suspensions
US8067149B2 (en) 1990-09-12 2011-11-29 Lifecell Corporation Acellular dermal matrix and method of use thereof for grafting
US5336616A (en) * 1990-09-12 1994-08-09 Lifecell Corporation Method for processing and preserving collagen-based tissues for transplantation
US6933326B1 (en) 1998-06-19 2005-08-23 Lifecell Coporation Particulate acellular tissue matrix

Also Published As

Publication number Publication date
NL182983C (en) 1988-06-16
NL7700031A (en) 1977-07-12
DE2700196C2 (en) 1989-08-24
CH614532A5 (en) 1979-11-30
FR2337878B1 (en) 1979-07-06
DE2700196A1 (en) 1977-07-14
NL182983B (en) 1988-01-18

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Legal Events

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ST Notification of lapse