Patent ID: 6347458
Filing Date: 2002-02-19
Classification: G01B,H01L,Y10S

Abstract:
An analytical instrument comprising:an optical system defining an optical path of the analytical instrument and directing light onto a sample; a measurement table disposed along the optical path; and a guiding system disposed along the optical path of the analytical instrument, the guiding system comprising: a mirror carrying arrangement having a first and a second surfaces and having a first and a second measurement mirrors mounted on the mirror carrying arrangement and disposed relative to each other at a predetermined angle; and a support system secured in the mirror carrying arrangement and providing a first plurality of support points disposed above the first surface and a second plurality of support points disposed below the second surface, the first plurality of support points being suitable for supporting the sample in such a way that the sample does not contact the mirror carrying arrangement, the second plurality of support points supporting the mirror carrying arrangement above the measurement table in such a way that the measurement table does not contact the mirror carrying arrangement.