BE494753A - - Google Patents

Info

Publication number
BE494753A
BE494753A BE494753DA BE494753A BE 494753 A BE494753 A BE 494753A BE 494753D A BE494753D A BE 494753DA BE 494753 A BE494753 A BE 494753A
Authority
BE
Belgium
Application number
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.)
Publication of BE494753A publication Critical patent/BE494753A/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
    • G01N21/91—Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink

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)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
BE494753D 1949-03-26 BE494753A (is")

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1018820XA 1949-03-26 1949-03-26

Publications (1)

Publication Number Publication Date
BE494753A true BE494753A (is")

Family

ID=22286936

Family Applications (1)

Application Number Title Priority Date Filing Date
BE494753D BE494753A (is") 1949-03-26

Country Status (3)

Country Link
BE (1) BE494753A (is")
DE (1) DE833260C (is")
FR (1) FR1018820A (is")

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1109918B (de) * 1955-02-01 1961-06-29 Siemens Ag Verfahren zum Sichtbarmachen von bis zur Oberflaeche durchgehenden Rissen oder Spalten in Metallstuecken
DE1192852B (de) * 1957-12-13 1965-05-13 Licentia Gmbh Verfahren zum Feststellen von Strukturfehlern an der Oberflaeche von Halbleiterkoerpern
DE1207663B (de) * 1958-08-07 1965-12-23 Helmut Klumpf Verfahren zur Pruefung von Werkstuecken auf Oberflaechenfehler und mit der Oberflaeche in Verbindung stehende Fehlstellen
CN110118780B (zh) * 2019-05-15 2025-01-03 浙江大学 用于大坝裂缝检测的喷墨示踪装置

Also Published As

Publication number Publication date
DE833260C (de) 1952-03-06
FR1018820A (fr) 1953-01-13

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