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.
- Issue Date:
- OSTI Identifier:
- 7035532
- Assignee:
- Dept. of Energy, Washington, DC (United States) PTO; EDB-94-103528
- Patent Number(s):
- US 5317259; A
- Application Number:
- PPN: US 7-522877
- Contract Number:
- AC07-84ID12435
- 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-)