Patent ID: 6522037
Filing Date: 2003-02-18
Classification: H02K

Abstract:
A flat-typed vibration motor comprising:a lower case formed from a magnetic material; an upper case covering one side of the lower case; a shaft connecting and supporting the lower case and the upper case; a magnet attached to an upper surface of the lower case; an upper board eccentrically and rotatably supported by the shaft and having a commutator formed with a plurality of segments, the commutator formed in a lower surface of the upper board; a plurality of winding coils spaced at a predetermined angle to each other, and an insulator of resin for fixing the winding coils, the winding coils and the insulator being arranged on one surface of the upper board; a lower board for covering the lower case, the lower board having one end connected to a brush in contact with the commutator and the other end exposed downwardly from the lower case and comprised of spaced solder lands; and wherein the lower board is a flexible printed circuit board.