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Title: DC-based magnetic field controller

A magnetic field controller is described for laboratory devices and in particular to dc operated magnetic field controllers for mass spectrometers, comprising a dc power supply in combination with improvements to a Hall probe subsystem, display subsystem, preamplifier, field control subsystem, and an output stage. 1 fig.
Authors:
; ;
Publication Date:
OSTI Identifier:
7035532
Report Number(s):
US 5317259; A
PPN: US 7-522877
DOE Contract Number:
AC07-84ID12435
Resource Type:
Patent
Resource Relation:
Patent File Date: 14 May 1990
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; MAGNETIC FIELDS; CONTROL; MASS SPECTROMETERS; CONTROL EQUIPMENT; DESIGN; POWER SUPPLIES; ELECTRONIC EQUIPMENT; EQUIPMENT; MEASURING INSTRUMENTS; SPECTROMETERS 440800* -- Miscellaneous Instrumentation-- (1990-)