Metal fusion bonding – Process – With shaping
Patent
1990-05-03
1991-02-19
Heinrich, Sam
Metal fusion bonding
Process
With shaping
228175, 228199, 228214, 228254, 29607, B23K 3102, B23K10136
Patent
active
049936204
ABSTRACT:
The face plates of a drift tube have their joints with a central cylindrical body sealed by utilizating two metallurgical techniques. The first technique involves the soldering of interface surfaces at the joints between the face plates and the body. The soldered joint prevents the entry of electroplating solution into the interior of the drift tube during a second metallurgical procedure involving the electroformation of a copper strap around the joint which provides a permanent seal against leakage of coolant from the drift tube while offering excellent electrical and thermal conductivity across the surface of the drift tube.
REFERENCES:
patent: 4355236 (1982-10-01), Holsinger
patent: 4643347 (1987-02-01), Bronnes et al.
Y. Yamazaki et al., "The 1 GeV Proton Linac for the Japanese Hadron Facility", Gar Electroforming.
Holmes Douglas S.
Kornely, Jr. Michael G.
Micich Robert G.
Grumman Aerospace Corporation
Heinrich Sam
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