Voice coil motor yoke and voice coil motor
AssigneeShin-Etsu Chemical Co., Ltd.
InventorsMasaki KANEKO, Keisuke WATARAI, Takuya TAMAMURA
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Abstract
A voice coil motor yoke having a magnet bonding surface includes an annular groove inside a bonding region on the magnet bonding surface, the bonding region having substantially the same shape as a contour of a magnet to be bonded on the magnet bonding surface of the yoke. A region surrounded by the annular groove on the magnet bonding surface is an adhesive application region. A voice coil motor includes: a pair of the voice coil motor yokes; an adhesive applied to the adhesive application region of each of the pair of yokes; and a pair of rare earth magnets bonded via the adhesive to the bonding region of each of the pair of yokes.
Claims4
A voice coil motor yoke having a magnet bonding surface, comprising an annular groove inside a bonding region on the magnet bonding surface, wherein the bonding region has substantially the same shape as a contour of a magnet to be bonded on the magnet bonding surface, and a region surrounded by the annular groove on the magnet bonding surface is an adhesive application region.
Dependencies are inferred from the claim text.