Radiant energy – With charged particle beam deflection or focussing – Magnetic lens
Patent
1980-08-11
1982-08-17
Anderson, Bruce C.
Radiant energy
With charged particle beam deflection or focussing
Magnetic lens
H01J 314
Patent
active
043451527
ABSTRACT:
A magnetic lens, useful as an objective lens in a focused charged particle beam generator, includes means for maintaining a constant thermal power dissipation independent of the field strength produced thereby.
REFERENCES:
patent: 2323328 (1943-07-01), Hillier
patent: 3500269 (1970-03-01), Katagiri et al.
patent: 4205226 (1980-05-01), Gerlach
Anderson Bruce C.
Giarratana S. A.
Hays R. A.
Masselle F. L.
The Perkin-Elmer Corporation
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