Electric lamp and discharge devices – With temperature modifier – For lead-in-seal or stem protection
Patent
1987-09-24
1990-08-14
DeMeo, Palmer C.
Electric lamp and discharge devices
With temperature modifier
For lead-in-seal or stem protection
313153, 313160, 335212, 335298, H05H 900
Patent
active
049490478
ABSTRACT:
A segmented radio-frequency quadrupole accelerator (10) having a top segment (12), a bottom segment (14), a first side segment (16) and a second side segment (18), each segment having an elongated vane portion (20) arranged in diametrically-opposed pairs along a common longitudinal axis. Mounting arms (30) are integrally formed in the outer walls (28) of the vane portion (20), each end of each mounting arm (30) having a mounting surface (32) formed of a projection (34) having a surface (36) and an end surface (38) oriented at substantially right angles to cooperate with a mounting portion on an adjacent minor segment having a surface (44) and an end surface (46) oriented at right angles. Seals (48) having a C-shaped, cross-sectional configuration are placed between the mounting surfaces to maintain electrical contact between the segments. Fasteners (54) are securely fastened through oversized holes (52) in the segments to adjustably fasten the segments together. Shims (37) may be placed between the mounted surfaces to adjust the position of the vane tips A-D with respect to each other.
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Wilson et al., "Mechanical Features of the Arts RFQ Linear Accelerator", (footnote--This work was supported by the US Dept of Defense, Defense Advanced Projects Agency, and Ballistic Missile Defence Advanced Technology Center.), 1981.
Accelerator Technology Division Personnel, "Los Alamos Scientific Laboratory Collection of Papers of the Radio-Frequency Quadrupole (RFQ) Linear Accelerator.", Mar. 1979 to Nov. 1980.
Hamm Robert H.
Hayward Thomas D.
Johnson Marco
AccSys Technology, Incorporated
DeMeo Palmer C.
The Boeing Company
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