GB2224835B - Non-destructive material evaluation apparatus - Google Patents

Non-destructive material evaluation apparatus

Info

Publication number
GB2224835B
GB2224835B GB8923907A GB8923907A GB2224835B GB 2224835 B GB2224835 B GB 2224835B GB 8923907 A GB8923907 A GB 8923907A GB 8923907 A GB8923907 A GB 8923907A GB 2224835 B GB2224835 B GB 2224835B
Authority
GB
United Kingdom
Prior art keywords
evaluation apparatus
material evaluation
destructive material
destructive
evaluation
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 - Lifetime
Application number
GB8923907A
Other versions
GB2224835A (en
GB8923907D0 (en
Inventor
Robert Eric Imhof
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.)
University of Strathclyde
Original Assignee
University of Strathclyde
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 University of Strathclyde filed Critical University of Strathclyde
Publication of GB8923907D0 publication Critical patent/GB8923907D0/en
Publication of GB2224835A publication Critical patent/GB2224835A/en
Application granted granted Critical
Publication of GB2224835B publication Critical patent/GB2224835B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/1717—Systems in which incident light is modified in accordance with the properties of the material investigated with a modulation of one or more physical properties of the sample during the optical investigation, e.g. electro-reflectance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/51—Scattering, i.e. diffuse reflection within a body or fluid inside a container, e.g. in an ampoule
    • G01N2021/516—Multiple excitation of scattering medium, e.g. by retro-reflected or multiply reflected excitation rays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4788—Diffraction
GB8923907A 1988-10-27 1989-10-24 Non-destructive material evaluation apparatus Expired - Lifetime GB2224835B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888825155A GB8825155D0 (en) 1988-10-27 1988-10-27 Non-destructive material evaluation apparatus

Publications (3)

Publication Number Publication Date
GB8923907D0 GB8923907D0 (en) 1989-12-13
GB2224835A GB2224835A (en) 1990-05-16
GB2224835B true GB2224835B (en) 1992-05-27

Family

ID=10645879

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888825155A Pending GB8825155D0 (en) 1988-10-27 1988-10-27 Non-destructive material evaluation apparatus
GB8923907A Expired - Lifetime GB2224835B (en) 1988-10-27 1989-10-24 Non-destructive material evaluation apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888825155A Pending GB8825155D0 (en) 1988-10-27 1988-10-27 Non-destructive material evaluation apparatus

Country Status (1)

Country Link
GB (2) GB8825155D0 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211488A (en) * 1978-10-03 1980-07-08 Rca Corporation Optical testing of a semiconductor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211488A (en) * 1978-10-03 1980-07-08 Rca Corporation Optical testing of a semiconductor

Also Published As

Publication number Publication date
GB2224835A (en) 1990-05-16
GB8825155D0 (en) 1988-11-30
GB8923907D0 (en) 1989-12-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19951024