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US 11,083,074 B2Granted
Scanning linear accelerator system having stable pulsing at multiple energies and doses
AssigneeETM Electromatic, Inc.
InventorsWilliam L. Nighan, Jr., Maarten Korringa, John Howard Rolin, Devin Kirk Herderlong
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Abstract
A linac-based X-ray system for cargo scanning and imaging applications uses linac design, RF power control, beam current control, and beam current pulse duration control to provide stable sequences of pulses having different energy levels or different doses.
Claims21
An X-ray system for providing X-ray pulses of controlled dose per pulse comprising
- a linear accelerator having a triode gun,
- a control system,
- an RF source responsive to the control system to supply RF pulses to the linear accelerator, the RF pulses having a power,
- an electron gun driver connected to the triode gun and providing a gun driver grid voltage thereto, responsive to the control system but controlled independently of the RF source, for supplying to the linear accelerator pulses of controllable beam current at times substantially corresponding to RF pulses,
- the RF source and electron gun driver being configured cooperatively to cause the generation of X-ray pulses of a first energy and first dose for scanning a first region, and to cause the generation of X-ray pulses of a second energy and second dose for scanning a second region.
2 more elements
Dependencies are inferred from the claim text.