CPC G03G 15/2057 (2013.01) [G03G 15/206 (2013.01); G03G 15/2025 (2013.01)] | 18 Claims |
1. A fixing device, comprising:
a rotating body;
an endless belt contacting an outer circumferential surface of the rotating body, a base material of the endless belt being made of a heat-resistant resin having a glass transition temperature of 140° C. or more;
a heater configured to heat at least one of the rotating body and the endless belt;
a sliding sheet contacting an inner circumferential surface of the endless belt, a base material of the sliding sheet being made of a heat-resistant resin having a glass transition temperature of 140° C. or more; and
a pressure pad, the endless belt and the sliding sheet being interposed between the pressure pad and the rotating body;
wherein a microhardness of the endless belt by nanoindentation technique is higher than a microhardness of the sliding sheet.
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