G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 21/26 (2006.01) G01N 21/64 (2006.01) G02B 21/32 (2006.01) G02B 21/36 (2006.01)
Patent
CA 2445780
A rotary stage (10) for use in optical projection tomography includes a stepper motor (42) with a rotatable vertical shaft (44) the lower end of which carries a specimen (28) to be imaged so that the specimen is rotated about a substantially vertical axis. The stepper motor (42) is mounted on a table (34) the position of which is accurately adjustable in tilt and in vertical position to ensure that the rotational axis of the specimen is perpendicular to the optical axis (29). The specimen (28) rotates within a stationary chamber (26) and the rotary stage is used with a microscope which provides a three-dimensional image of the specimen.
L'invention concerne un étage rotatif (10) pour tomographie en projection optique, qui comprend un moteur pas-à-pas (42) à arbre vertical rotatif (44) sur l'extrémité inférieure duquel se trouve un échantillon (28) soumis à l'imagerie, aux fins de rotation autour d'un axe sensiblement vertical. Le moteur (42) est monté sur une table (34) dont la position est réglable avec précision en inclinaison et en position verticale, ce qui permet d'assurer un axe de rotation de l'échantillon perpendiculaire à l'axe optique (29). L'échantillon (28) tourne dans le compartiment stationnaire (26) et l'étage rotatif est utilisé avec un microscope qui fournit une image tridimensionnelle de l'échantillon.
Perry Paul Ernest
Sharpe James Alexander
Kirby Eades Gale Baker
Medical Research Council
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