Linear particle accelerator with seal structure between electrodes and insulators
This patent describes a linear accelerator. It includes a vacuum chamber, a pressure chamber exteriorly of the vacuum chamber, source means for producing a directed beam of charged particles inside the vacuum chamber, a target against which the beam of charged particles are directed, a plurality of similar circular electrodes disposed in substantially uniformly spaced apart, side-by-side relation. Each electrode being formed of an alloy comprised of iron, nickel, and cobalt, and each electrode having a substantially flat circumferential portion, and an axially offset portion located intermediate the central and circumferential portions. Each electrode having a centrally located opening in the central portion thereof. The major portion of each electrode being disposed within the vacuum chamber, and the spacing between adjacent electrodes defining a vacuum gap, means electrically connecting the electrodes to a source of electrical power, a plurality of similar annular support insulators; and a plurality of annular metallic inserts, each being positioned and fused within the recess of an insulator, and each being formed of the same alloy as the electrodes, means metallically bonding the annular inserts of each insulator to the circumferential portions of a pair of adjacent electrodes to form a seal.
- Assignee:
- Sysmed, Inc., Eden Prarie, MN
- Patent Number(s):
- US 4879518; A
- Application Number:
- PPN: US 7-107093A; TRN: 90-011601
- OSTI ID:
- 7029847
- Resource Relation:
- Patent File Date: 13 Oct 1987
- Country of Publication:
- United States
- Language:
- English
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