G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 21/06 (2006.01) G02B 21/08 (2006.01)
Patent
CA 2203657
Methods and apparatus for center masking a condenser lens of a transmitted light microscope to simultaneously maximize resolution, contrast and depth of field utilizing at a conjugate plane of the aperture plane where an image of the rear aperture of the condenser lens has been created, a plurality of light sources to illuminate two or more of the faces of a multi-face mirror in the shape of a pyramid which moves relative to the light sources to vary the amount of center masking continuously over a range including zero while directing multiple oblique beams of light onto the objective lens.
Des procédés et dispositifs, servant au masquage central d'une lentille de condenseur propre à un microscope pour examen par transmission, permettent de maximiser simultanément la résolution, le contraste et la profondeur de champ. Dans un plan conjugué du plan d'ouverture où se forme une image de l'ouverture arrière de la lentille de condenseur, on utilise plusieurs sources lumineuses pour éclairer au moins deux faces d'un miroir multi-face en forme de pyramide qui se déplace par rapport à ces sources lumineuses, pour faire varier en continu le degré de masquage central sur une fourchette partant de zéro, tout en orientant de multiples faisceaux lumineux obliques sur les lentilles de l'objectif.
Edge Scientific Instrument Company Llc
Micro Science Technologies
Riches Mckenzie & Herbert Llp
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