ELECTROMAGNETIC INDUCTION HEATING ELEMENT AND FIXING BELT
Disclosed is an electromagnetic induction heating element provided with a first heating layer ( 11 ), which is in the shape of an endless belt and is configured from a nickel electrocast, a second heating layer ( 12 ), which is configured from a non-magnetic material, and a coating layer ( 13 ), which has a thickness of 3 [mu]m or less. The first heating layer ( 11 ), second heating layer ( 12 ), and coating layer ( 13 ) are laminated in said order.
1 - 12 . (canceled)
13 . An electromagnetic induction heating element characterized by comprising:
a first heating layer formed of electrocast nickel and having an endless-belt-like form;
a second heating layer formed of a non-magnetic material; and
a coating layer having a thickness of 3 μm or less, wherein the first heating layer, the second heating layer, and the coating layer are sequentially stacked.
14 . An electromagnetic induction heating element according to claim 13 , wherein the coating layer is formed of a metallic material which has corrosion resistance higher than that of the material forming the second heating layer.
15 . An electromagnetic induction heating element according to claim 13 , wherein the coating layer is formed of nickel or a nickel alloy.
16 . An electromagnetic induction heating element according to claim 13 , wherein the second heating layer has been formed through plating.
17 . An electromagnetic induction heating element according to claim 13 , wherein the coating layer has been produced through plating.
18 . An electromagnetic induction heating element according to claim 13 , wherein the first heating layer has a phosphorus content of 0.05 mass % to 1 mass %.
19 . An electromagnetic induction heating element according to claim 13 , wherein the second heating layer is formed of a material having a resistivity lower than that of nickel.
20 . An electromagnetic induction heating element according to claim 13 , wherein the second heating layer is formed of a material having a resistivity of 2.8×10 −8 Ω·m or lower and a relative permeability of 2 or lower.
21 . An electromagnetic induction heating element according to claim 13 , wherein the second heating layer is formed of gold, copper, silver, or aluminum.
22 . An electromagnetic induction heating element according to claim 13 , wherein the second heating layer has a thickness which is equal to or less than the skin depth of the material of the second heating layer.
23 . A fixing belt characterized by comprising an electromagnetic induction heating element as recited in claim 13 , and a release layer serving as an outermost layer.
24 . A fixation belt according to claim 23 , of the eleventh mode, wherein the release layer is provided by the mediation of an elastic layer.