FR904110A - Process making visible any surface defects - Google Patents

Process making visible any surface defects

Info

Publication number
FR904110A
FR904110A FR904110DA FR904110A FR 904110 A FR904110 A FR 904110A FR 904110D A FR904110D A FR 904110DA FR 904110 A FR904110 A FR 904110A
Authority
FR
France
Prior art keywords
surface defects
process making
making visible
visible
defects
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
Application number
Other languages
French (fr)
Inventor
Gerhard Adler
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 filed Critical
Application granted granted Critical
Publication of FR904110A publication Critical patent/FR904110A/en
Expired 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
    • G01N21/84—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)
FR904110D 1943-04-29 1944-05-06 Process making visible any surface defects Expired FR904110A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE904110X 1943-04-29

Publications (1)

Publication Number Publication Date
FR904110A true FR904110A (en) 1945-10-26

Family

ID=6861692

Family Applications (1)

Application Number Title Priority Date Filing Date
FR904110D Expired FR904110A (en) 1943-04-29 1944-05-06 Process making visible any surface defects

Country Status (1)

Country Link
FR (1) FR904110A (en)

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