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公开(公告)号：US3552826A
公开(公告)日：1971-01-05
申请号：US3552826D
申请日：1968-02-19
Applicant: CANADIAN PATENTS DEV
Inventor： HANES GARNET R , DOBROWOLSKI JERZY A , HOEVEN CORNELIS J VAN DER
Abstract: A REFLECTOR DEVICE CAPABLE OF PROVIDING A DESIRED VALUE OF REFLECTANCE AND HAVING A MULTI-LAYER REFLECTING SURFACE WHICH GRADUALLY DECREASES IN THICKNESS, FOR EXAMPLE EXPONENTIALY, FROM ONE END TO THE OTHER END SO THAT THE REFLECTANCE VALUE AT ANY POINT IS DEPENDENT ON THE POSITION OF THE POINT AND VARIES LOGARITHMICALLY ACROSS THE SURFACE. THE DEVICE IS PROVIDED WITH TWO CONTROLS, ONE BEING A REFLECTANCE ADJUSTMENT CONTROL AND THE OTHER A WAVELENGTH ADJUSTMENT CONTROL.
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