Patent ID: 8397369

Claim:
A method comprising: disposing a first magnet adjacent to a second magnet, the first magnet having its magnetic domains aligned parallel to a first axis and having a lateral side and a longitudinal end, the second magnet having its magnetic domains aligned parallel to a second axis, the disposing includes disposing the first magnet and the second magnet so that the first axis is non-parallel with the second axis and so that the second magnet is disposed adjacent to the lateral side of the first magnet; disposing a third magnet adjacent to the longitudinal end of the first magnet, the third magnet having its magnetic domains aligned parallel to a third axis, the disposing the third magnet including disposing the third magnet so that the third axis is non-parallel with the second axis and oriented towards the first axis and the second axis in a direction above the magnets, the first axis, the second axis, and the third axis being non-coplanar; and after the disposing, permanently magnetizing the first magnet and second magnet.