Low-cost, high precision goniometric stage for x-ray diffractography
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United States of America Patent
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May 3, 2005
Grant Date -
Mar 4, 2004
app pub date -
Sep 3, 2002
filing date -
Sep 3, 2002
priority date (Note) -
Expired
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Abstract
A low-cost, high precision goniometric stage, for use in x-ray diffractography or in optical systems, with a spherical sector supported on at least one bearing, a top surface of the spherical sector that is used for mounting an object, a center of rotation located within the object, a rod or other member that is disposed below the spherical bearing surface, preferably orthogonal to the rotational axes, stepper motors or other actuators to move the device and a mechanical linkage between the rod and the motors.
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