MAGNETIC DRIVER, METHOD OF MANUFACTURING THE SAME, LIGHT AMOUNT CONTROLLER, AND OPTICAL APPARATUS

摘要

A magnetic driver comprises a rotor magnet; a coil bobbin around which a coil is wound, and which has a through hole in a central portion; a yoke including a straight portion to be inserted into the through hole, and an arcuate portion connected to a distal end of the straight portion; a support member which rotatably supports the rotor magnet; and a thrust receiving member which includes an engaging portion to be engaged with the support member, has one surface which regulates one end of the rotor magnet in a thrust direction, and the other surface on which the coil bobbin is placed, and is held between the coil bobbin and the arcuate portion of the yoke, wherein the yoke is assembled as an integrated yoke by inserting the straight portion into the through hole, and fixing the straight portion to the arcuate portion as another member.