VOICE COIL PLATE HAVING DOUBLE SIDE BOBBIN FOR FLAT TYPE SPEAKER

摘要

PURPOSE: A voice coil plate which includes a double-faced bobbin for a flat speaker is provided to increase a ground surface with a vibration plate attached on the upper surface of the double-faced bobbin, thereby improving adhesive force of the vibration plate and the voice coil plate. CONSTITUTION: A voice coil plate(100) for a flat speaker is comprised of a voice coil(110) which is arranged into a coil pattern of a spiral track shape and a double-faced bobbin(120,130) which supports the voice coil on both surfaces of the voice coil. The voice coil is attached between the double-faced bobbins. One bobbin includes a plurality of cut parts. The other bobbin has a plate shape which not includes the cut part. The voice coil plate is installed between magnetic bodies which are comprised of a yoke and a magnet in order to be able to vibrate.