Trigger probe for determining the orientation of the power...

Details Trigger probe for determining the orientation of the power... Trigger probe for determining the orientation of the power...

2007-07-17

2007-07-17

Wells, Nikita (Department: 2881)

Radiant energy

With charged particle beam deflection or focussing

With detector

C324S071300

Reexamination Certificate

active

11158481

ABSTRACT:
The present invention relates to a probe for determining the orientation of electron beams being profiled. To accurately time the location of an electron beam, the probe is designed to accept electrons from only a narrowly defined area. The signal produced from the probe is then used as a timing or triggering fiducial for an operably coupled data acquisition system. Such an arrangement eliminates changes in slit geometry, an additional signal feedthrough in the wall of a welding chamber and a second timing or triggering channel on a data acquisition system. As a result, the present invention improves the accuracy of the resulting data by minimizing the adverse effects of current slit triggering methods so as to accurately reconstruct electron or ion beams.

REFERENCES:
patent: 5382895 (1995-01-01), Elmer et al.
patent: 5468966 (1995-11-01), Elmer et al.
patent: 5554926 (1996-09-01), Elmer et al.
patent: 5583427 (1996-12-01), Teruya et al.
patent: 6300755 (2001-10-01), Elmer et al.
patent: 2007/0015969 (2007-01-01), Feldman et al.

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