CH607020A5 - - Google Patents

Info

Publication number
CH607020A5
CH607020A5 CH632176A CH632176A CH607020A5 CH 607020 A5 CH607020 A5 CH 607020A5 CH 632176 A CH632176 A CH 632176A CH 632176 A CH632176 A CH 632176A CH 607020 A5 CH607020 A5 CH 607020A5
Authority
CH
Switzerland
Application number
CH632176A
Inventor
Walter Dr Schmidt
Original Assignee
Alusuisse
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 Alusuisse filed Critical Alusuisse
Priority to CH632176A priority Critical patent/CH607020A5/xx
Priority to DE2625951A priority patent/DE2625951C3/de
Priority to NL7704205A priority patent/NL7704205A/xx
Priority to US05/794,793 priority patent/US4162125A/en
Priority to GB21079/77A priority patent/GB1574767A/en
Priority to JP5861677A priority patent/JPS5310482A/ja
Publication of CH607020A5 publication Critical patent/CH607020A5/xx

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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
CH632176A 1976-05-20 1976-05-20 CH607020A5 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH632176A CH607020A5 (fr) 1976-05-20 1976-05-20
DE2625951A DE2625951C3 (de) 1976-05-20 1976-06-10 Vorrichtung zum Nachweis von Kristalldefekten
NL7704205A NL7704205A (nl) 1976-05-20 1977-04-18 Werkwijze en inrichting voor het aantonen van insluitingen in kristallen.
US05/794,793 US4162125A (en) 1976-05-20 1977-05-09 Process and device for detecting inclusions in crystals
GB21079/77A GB1574767A (en) 1976-05-20 1977-05-19 Processes for detecting inclusions in crystals
JP5861677A JPS5310482A (en) 1976-05-20 1977-05-20 Method of and apparatus for detecting impurities within crystal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH632176A CH607020A5 (fr) 1976-05-20 1976-05-20

Publications (1)

Publication Number Publication Date
CH607020A5 true CH607020A5 (fr) 1978-11-30

Family

ID=4307708

Family Applications (1)

Application Number Title Priority Date Filing Date
CH632176A CH607020A5 (fr) 1976-05-20 1976-05-20

Country Status (6)

Country Link
US (1) US4162125A (fr)
JP (1) JPS5310482A (fr)
CH (1) CH607020A5 (fr)
DE (1) DE2625951C3 (fr)
GB (1) GB1574767A (fr)
NL (1) NL7704205A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386707A (en) * 1981-04-02 1983-06-07 The Dow Chemical Company Laser beam imperfection detection for plastic film rolls
IT1234913B (it) * 1982-07-15 1992-06-02 Carboloy Spa Sistema di illuminazione per visione elettronica ad alta risoluzione e suo metodo di realizzazione.
JP3212373B2 (ja) * 1992-08-27 2001-09-25 信越化学工業株式会社 光ファイバプリフォーム中の気泡、異物の検査方法および検査装置
US6980283B1 (en) 1997-12-18 2005-12-27 Imagestatistics, Inc. Method and associated apparatus for the standardized grading of gemstones
US6020954A (en) 1997-12-18 2000-02-01 Imagestatistics, Inc. Method and associated apparatus for the standardized grading of gemstones
SG10201609555YA (en) * 2013-08-12 2017-01-27 Caratell Pte Ltd Method and system for certification and verification of gemstones
CN105666365A (zh) * 2016-03-16 2016-06-15 方星 一种安装有指示灯的轴类零件检测装置及其使用方法
CN106802303B (zh) * 2017-03-23 2023-08-01 东旭集团有限公司 一种晶棒检验支撑装置
CN108344744A (zh) * 2018-02-06 2018-07-31 广东建设职业技术学院 一种冷弯薄壁型钢结构激光几何缺陷检测设备及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3586444A (en) * 1970-01-30 1971-06-22 American Optical Corp Striaescope for inspecting a transparent object submerged in a liquid having the same index of refraction
AT344419B (de) * 1973-03-20 1978-07-25 Dihaco Diamanten Handels Co Vorrichtung zur feststellung der bewertungsdaten von farbedelsteinen, insbesondere brillanten
US4021217A (en) * 1975-07-08 1977-05-03 Bell Telephone Laboratories, Incorporated Detecting optical fiber defects

Also Published As

Publication number Publication date
DE2625951A1 (de) 1977-11-24
JPS5310482A (en) 1978-01-30
NL7704205A (nl) 1977-11-22
DE2625951C3 (de) 1981-02-19
DE2625951B2 (de) 1980-06-04
US4162125A (en) 1979-07-24
GB1574767A (en) 1980-09-10

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Legal Events

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