Device for measuring the amplitude of the tip of an oscillating capillary

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United States of America Patent

PATENT NO 6931932
APP PUB NO 20040149038A1
SERIAL NO

10742176

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Abstract

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A device for measuring the oscillation amplitude of the tip of a capillary by means of a light beam comprises a light source and an opto-receiver and two apertured diaphragms that are arranged between the light source and the opto-receiver and which lie on a common axis. The apertured diaphragms are preferably formed by means of drill holes arranged on a common axis in side walls of a channel formed in a body. The two apertured diaphragms define the diameter of the light beam.

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Patent Owner(s)

Patent OwnerAddress
ESEC TRADING SA6330 CHAM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Melzer, Martin Steinhausen, CH 7 111

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