Patent ID: 9722481
Date: 2017-08-01
CPC Classifications: G03B,H02K

Claim:
1. A voice coil motor (VCM), comprising: a base comprising a step part outwardly protruding from at least a portion of an outer lateral surface of the base; a cover can of metal material, the cover can comprising an upper plate formed with an opening and a lateral plate downwardly extended from the upper plate, wherein a lower end of the lateral plate of the cover can is disposed on the step part; a bobbin disposed within the cover can and over the base; a coil disposed on the bobbin; a magnet disposed within the cover can and facing the coil; a lower elastic member coupled to a lower portion of the bobbin, disposed on an upper surface of the base and configured to movably support the bobbin along an optical axis, wherein the lower elastic member comprises two lower elastic units spaced apart from each other, and wherein each of the two lower elastic units is electrically connected to the coil; and two terminal parts coupled to the two lower elastic units; wherein the base comprises two grooves inwardly recessed from the step part, and spaced apart from each other; wherein the two terminal parts are disposed on the two grooves, respectively; wherein at least a portion of the lower end of the lateral plate of the cover can is disposed lower than the lower elastic member, wherein the lower elastic member is spaced apart from the lateral plate of the cover can, and wherein an insulation member is disposed between the lateral plate of the cover can and the two terminal parts.