JPS6472100A - Magnet of charged particle device - Google Patents

Magnet of charged particle device

Info

Publication number
JPS6472100A
JPS6472100A JP22853887A JP22853887A JPS6472100A JP S6472100 A JPS6472100 A JP S6472100A JP 22853887 A JP22853887 A JP 22853887A JP 22853887 A JP22853887 A JP 22853887A JP S6472100 A JPS6472100 A JP S6472100A
Authority
JP
Japan
Prior art keywords
region
working
accuracy
rng1
charged particle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP22853887A
Other languages
Japanese (ja)
Other versions
JPH0672959B2 (en
Inventor
Shunji Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP62228538A priority Critical patent/JPH0672959B2/en
Publication of JPS6472100A publication Critical patent/JPS6472100A/en
Publication of JPH0672959B2 publication Critical patent/JPH0672959B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Particle Accelerators (AREA)

Abstract

PURPOSE:To facilitate the working between the magnetic poles of a quadrupole electromagnet by forming the good magnetic field regions of the quadrupole electromagnet in such a manner that said regions are nearly proportional to the max. outside shape of the moving range of a charged particle beam. CONSTITUTION:Working accuracy is partly reoughened in such a manner that the magnetic field accuracy of the regions which are entirely unnecessary for experiment of the charged particle beam is lowered. Namely, the working accuracy of one region RNG1 of the magnetic pole face 11A facing the minor axis side of the beam moving range 22 is roughened to roughen said face and the working accuracy is made higher in the part of the other region RNG2 adjacent to the region RNG1 than the section of the region RNG1. The good magnetic field region 21A of the quadrupole electromagnet is worked by such working to the circular shape nearly proportional to the sectional shape of the beam moving range 22 as shown in the figure (b) and the part of the magnetic pole surface to be worked with the high accuracy in conformity with the sectional shape of the beam is minimized. The production is correspondingly facilitated.
JP62228538A 1987-09-14 1987-09-14 Charged particle device magnet Expired - Fee Related JPH0672959B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62228538A JPH0672959B2 (en) 1987-09-14 1987-09-14 Charged particle device magnet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62228538A JPH0672959B2 (en) 1987-09-14 1987-09-14 Charged particle device magnet

Publications (2)

Publication Number Publication Date
JPS6472100A true JPS6472100A (en) 1989-03-16
JPH0672959B2 JPH0672959B2 (en) 1994-09-14

Family

ID=16877964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62228538A Expired - Fee Related JPH0672959B2 (en) 1987-09-14 1987-09-14 Charged particle device magnet

Country Status (1)

Country Link
JP (1) JPH0672959B2 (en)

Also Published As

Publication number Publication date
JPH0672959B2 (en) 1994-09-14

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees