Patent ID: 9342006
Filing Date: 2016-05-17
CPC Classification: G03G

Claim Text:
1. A belt member used in a fixing device of an electromagnetic induction heating system, the belt member comprising: two or more heating layers including a non-magnetic metal; an endless insulating resin base layer stacked between the heating layers, the insulating resin base layer including polyimide or polyamideimide; and a plurality of anti-oxidation films, wherein a thickness of each of the heating layers is 5 μm or greater and 15 μm or less, and a thickness of the insulating resin base layer is 50 μm or greater and 100 μm or less, the two or more heating layers include a first heating layer and a second heating layer, the first heating layer and the second heating layer are formed on an inner peripheral surface and an outer peripheral surface of the insulating resin base layer, respectively, and the anti-oxidation films are stacked respectively on surfaces of the first and second heating layers that are opposite to an insulating resin base layer side.