INTEGRAL CONTROL FOR AUTOMATIC BEAM-POSITIONING IN MASS SPECTROMETERS
Technical Report
·
OSTI ID:4252702
A means of controlling the position of the ion beam of a mass spectrometer with respect to the collector slit was developed. Positioning is accomplished by varying the accelerating voltage in accordance with the integral of a quantity proportional to the position error. The error is defined by the amplitude and phase of an a-c component in the collector current. A laboratory model of a control incorporating these principles was constructed and evaluated. Excellent control of beam position was achieved at no sacrifice in analytical precision. A high degree of reliability is indicated since the control was in continuous service for several months with
- Research Organization:
- Goodyear Atomic Corp., Portsmouth, Ohio
- DOE Contract Number:
- AT(33-2)-1
- NSA Number:
- NSA-13-014442
- OSTI ID:
- 4252702
- Report Number(s):
- GAT-T-588
- Resource Relation:
- Other Information: Changed from OFFICIAL USE ONLY Apr. 16, 1959. Orig. Receipt Date: 31-DEC-59
- Country of Publication:
- United States
- Language:
- English
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