Patent Document ID: 20070273383
Application ID: 11801183
Patent Flag: 0

Claim One:
1. A system comprising: a focus magnet specified by focus parameters comprising B iF , B eF , l iF , l eF , and Δx F ; and a defocus magnet specified by defocus parameters comprising B iD , B eD , l iD , l eD , and Δx D ; wherein the focus magnet and the defocus magnet are positioned with a separation specified by D; wherein the system is specified by system parameters comprising p e , p i , and f; and wherein B iF , B eF , l iF , l eF , Δx F , B iD , B eD , l iD , l eD , Δx D , D, p e , p i , and f are related by the NLFFAG equations and constrained by the NLFFAG constraints.