Device and method for positioning a sample mounted on a glow...

Details Device and method for positioning a sample mounted on a glow... Device and method for positioning a sample mounted on a glow...

2007-06-05

2007-06-05

Lauchman, Layla G. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

C250S288000

Reexamination Certificate

active

10480264

ABSTRACT:
This invention relates to a device and a method for positioning a sample (8) mounted on a glow discharge spectrometer (6). A sample (8) to be analyzed is mounted on the first electrode means (5) of a glow discharge spectrometer (6) then a detachable arm (11) is mounted on a mechanic assembly comprising a cutting tool (2). This detachable arm (11) comprises a light source (14) used for illuminating said sample (8) with a light beam having a diameter equal to the inner diameter of the first electrode means (5) and then the position of the light beam is located on the sample (8). The portion of the sample (8) which will be exposed effectively to the glow discharge may thus be located with accuracy.

REFERENCES:
patent: 4623229 (1986-11-01), Galan
patent: 4762411 (1988-08-01), Pitalo et al.
patent: 4912324 (1990-03-01), Clark et al.
patent: 5086226 (1992-02-01), Marcus
patent: 5172183 (1992-12-01), Mega et al.

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