Patent ID: 7772727

Claim:
A planar pulse motor comprising: a stator; and a mover having a plurality of coils which is arranged opposite to the stator, wherein the planar pulse motor is operable to drive the mover in a plane in first direction and in a second direction, orthogonal to the first direction, the stator includes a plurality of raised portions, the raised portions comprising at least two different types, the different types being selected from the group consisting of: first raised portions formed by laminating a plurality of layers of members including magnetic materials through which magnetic flux can pass only in the first direction; second raised portions formed by laminating a plurality of layers of members including magnetic materials through which magnetic flux can pass only in the second direction; and third raised portions through which magnetic flux can pass in both the first and second directions, the stator further including a plurality of recessed portions through which magnetic flux cannot pass in either the first or the second direction, and the plurality of raised portions are regularly arranged next to each of the plurality of recessed portions in the first and second directions.