Induced nuclear reactions: processes – systems – and elements – Nuclear fusion – Including accelerating particles into a stationary or static...
Patent
1985-05-03
1991-02-26
Jordan, Charles T.
Induced nuclear reactions: processes, systems, and elements
Nuclear fusion
Including accelerating particles into a stationary or static...
376150, G21B 102
Patent
active
049960172
ABSTRACT:
A neutron generating system comprising a hermetically sealed housing containing an ionizable gas and a ring anode and target cathode of a Penning ion source. The housing is provided with a recess axially oriented relative to the ring anode and target cathode and adapted to accept a removable samarium/cobalt magnet such that degassing and sealing of the housing can be performed in the absence of the permanent magnet. The cathode target is an OHFC copper rod of substantially the same cross-sectional area as the target with one polished end of the rod containing a titanium film within the housing to serve as the target and the other end of the rod extending out of the housing such as to remove thermal energy from the target during operation. An ion screen between the anode ring and cathode target containing an axially positioned gridded aperture provides a broad ion beam of reduced power per unit area. Optionally, a means to control the potential on this ion screen is provided to assist in ignition of the ion source. Such a system is particularly useful in oil and gas well logging procedures.
REFERENCES:
patent: 2211668 (1940-08-01), Penning
patent: 2982858 (1961-05-01), Hoyer et al.
patent: 3020408 (1962-02-01), Martin et al.
patent: 3107210 (1963-10-01), Mallinckrodt
patent: 3112401 (1963-11-01), Van Dorsten et al.
patent: 3141975 (1964-07-01), Carr
patent: 3185849 (1965-05-01), Hoyer et al.
patent: 3546512 (1970-12-01), Frentrop
patent: 3569756 (1971-03-01), Reifenschweller
patent: 4311912 (1982-01-01), Givens
Beard William J.
Halliburton Logging Services Inc.
Jordan Charles T.
Wendtland Richard W.
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