G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 35/00 (2006.01) G01N 21/13 (2006.01)
Patent
CA 2748731
An optical measurement instrument comprises a measurement head (101) and mechanical support elements (102, 103) arranged to support a sample plate (106). The measurement head is moved towards the sample plate and, after the measurement head has touched the sample plate, the measurement head is moved backwards away from the sample plate so as to provide a desired distance between the measurement head and the sample plate. A sensor device (112, 113) is attached to the mechanical support elements and arranged detect a mechanical effect occurring in the mechanical support elements due to force directed by the measurement head to the sample plate. Hence, the situation in which the measurement head touches the sample plate can be detected without a need to provide the measurement head with a force sensor. This is advantageous because the measurement head can be a changeable module of the optical measurement instrument.
L'invention porte sur un instrument optique de mesure comprenant une tête de mesure (101) et les supports mécaniques (102, 103) d'un plateau porte-échantillons (106). La tête de mesure peut se déplacer vers le plateau porte-échantillons, et après l'avoir touché, revient en arrière pour se placer à la distance désirée du plateau. Un détecteur (112, 113) fixé aux supports mécaniques est conçu pour détecter un effet mécanique se produisant dans les supports mécaniques sous l'effet d'une force appliquée par la tête de mesure au plateau porte-échantillons. On peut ainsi détecter une situation ou la tête de mesure touche le plateau porte-échantillons et cela sans devoir munir la tête de mesure d'un détecteur de force. Cela est avantageux car la tête de mesure peut être un module interchangeable de l'instrument optique de mesure.
Isaksson Christer
Laitinen Jyrki
Ojala Markku
Sarmaala Jarkko
Gowling Lafleur Henderson Llp
Wallac Oy
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