US PATENT SUBCLASS 505 / 871
.~ Magnetic lens: (Class 250/396)

Current as of: June, 1999
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505 /   HD   SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS

825  DF  APPARATUS, PER SE, DEVICE, PER SE, OR PROCESS OF MAKING OR OPERATING SAME {36}
871.~ Magnetic lens: (Class 250/396)

DEFINITION

Classification: 505/871

Magnetic lens: (Class 250/396):

(under subclass 825) Subject matter including means to deflect, scan, spread, or focus a beam of electrically charged particles.