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Title: Permanent magnet edge-field quadrupole

Planar permanent magnet edge-field quadrupoles for use in particle accelerating machines and in insertion devices designed to generate spontaneous or coherent radiation from moving charged particles are disclosed. The invention comprises four magnetized rectangular pieces of permanent magnet material with substantially similar dimensions arranged into two planar arrays situated to generate a field with a substantially dominant quadrupole component in regions close to the device axis. 10 figs.
Inventors:
Issue Date:
OSTI Identifier:
426635
Assignee:
Leland Stanford Junior Univ., CA (United States) OAK; SCA: 430300; PA: INS-97:002354; EDB-97:028333; SN: 97001724487
Patent Number(s):
US 5,596,304/A/
Application Number:
PAN: 8-219,769; CNN: Grant AFOSR-85-0326
Contract Number:
AC03-76SF00515; AC03-82ER13000; FG06-85ER13309
Resource Relation:
Other Information: PBD: 21 Jan 1997
Research Org:
Stanford Univ., CA (United States); University of Oregon
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; ACCELERATORS; QUADRUPOLES; PERMANENT MAGNETS; MAGNETIC FIELDS; DESIGN