Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shigeyoshi Mori0
Date of Patent
October 10, 2006
0Patent Application Number
111262120
Date Filed
May 11, 2005
0Patent Primary Examiner
Patent abstract
A polygon mirror drive motor according to the present invention comprises a stator and a rotor having a hexahedron-shaped polygon mirror and a rotation drive shaft. The polygon mirror in one preferred mode is comprised of two square faces that are parallel with each other and orthogonal to said rotation drive shaft, the two square faces having each a center hole in which said rotation drive shaft is inserted, and four mirror facets that are parallel with said rotation drive shaft. In the polygon mirror, a value of D/L is preferably in a range of from 0.37 to 0.41 where D is a diameter of said center hole and L is an edge length of said two square faces.
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