Deflection apparatus

Details Deflection apparatus Deflection apparatus

1994-12-16

1996-05-21

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

313440, 335210, H01J 2970

Patent

active

055193714

ABSTRACT:
The horizontal deflection apparatus has a separator whose cross-section takes a saddle-shape form, and horizontal deflecting coils are comprised of three coil groups connected in a series to each other. The first coil group is wound on the outermost circumference on the inside of the main structure of the separator, the second coil group is wound at a predetermined distance from the first coil group, and the third coil group is wound at a predetermined distance from the second coil group. Deflecting efficiency at the deflection center is improved because the deflection magnetic field generated from the second and third coil groups is generated at the deflection center.

REFERENCES:
patent: 4260974 (1981-04-01), Nelle
patent: 4359705 (1982-11-01), Bohn et al.
patent: 4547709 (1985-10-01), French
patent: 4612525 (1986-09-01), Sluyterman et al.
patent: 4786838 (1988-11-01), Meershoek et al.
patent: 5077533 (1991-12-01), Klingelhofer
patent: 5225737 (1993-07-01), Sato

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