Microscopic surface examination of objects, especially the valve needle of a fuel injector or a fuel filter with microscopic holes, whereby both the surface and profile of the object are simultaneously imaged

Device for examination of the surface of a rotationally symmetric body (10) comprises light sources for illumination of a part of the surface (18) of the object and two detection devices. The first detection device (11) detects peaks and salient points on the object surface using light from the firs...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BERGER, MARTIN, STRINK, PETER, BOHN, GUNTHER, FRANK, ANDRE, HAPPOLD, WALTER, STRAEHLE, JOCHEN
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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