METHOD AND ASSEMBLY FOR CONFOCAL, CHROMATIC, INTERFEROMETRIC AND SPECTROSCOPIC SCANNING OF OPTICAL, MULTI-LAYER DATA MEMORIES

The method involves transmitting light from a multi-wavelength source (1a) and providing an interferometer that is associated with chromatic-confocal microscopic technology. A spectrometer (100) is arranged in front of a screened receiver (11) in which a microscopic image of inside of a memory is re...

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Bibliographische Detailangaben
Hauptverfasser:	KOERNER, KLAUS, WIESENDANGER, TOBIAS, PRUSS, CHRISTOF, RUPRECHT, AIKO, DROSTE, ULRICH, KOHLER, CHRISTIAN, OSTEN, WOLFGANG, BERGER, REINHARD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	The method involves transmitting light from a multi-wavelength source (1a) and providing an interferometer that is associated with chromatic-confocal microscopic technology. A spectrometer (100) is arranged in front of a screened receiver (11) in which a microscopic image of inside of a memory is received and a diffractive optical zone lens (5) is provided inside a focusing system.