Patent ID: 6393230
Filing Date: 2002-05-21
Classification: G03G

Abstract:
A fixing apparatus for fixing a toner image on a transfer material by applying heat and pressure to the transfer material, the fixing apparatus comprising:a roll-shaped rotary member for applying heat, including (a) a ray radiating device for radiating a ray; (b) a cylindrical ray-transmitting base member through which the ray is transmitted, provided being arranged around the ray radiating device; and (c) a ray absorbing layer provided outside the cylindrical ray-transmitting base member for absorbing the ray, wherein the following conditions are satisfied, a1>a3 and 10%&lE;a3/(a1+a3)&lE;40% where a1 (%) represents a ray energy absorbing rate of the ray-transmitting base member, and a3 (%) represents a ray energy absorbing rate of the ray absorbing layer.