| 摘要 |
Disclosed is an apparatus (10) and process for magnetizing permanently magnetizable strip and sheet material (50) to form a pattern of band-like poles on the material. Two parallel stacks (14, 16) of permanent magnets (18) are used, each magnet in each stack having a direction of magnetization which is perpendicular to a slot-like air gap (30) between the stacks. The magnets (18) in each stack are parallel to one another, with unlike poles (N.S.) of adjoining magnets proximate so that they mutually attract one another. Unlike poles of the respective magnets (18) in opposite stacks are positioned diametrically opposite each other across the air gap (30). The apparatus does not use electromagnetic coils and can form very narrow, contiguous band-like poles on magnetizable sheet or strip material (50) which is passed through the air gap (30). |
