Fixing belt, and image heat fixing assembly

摘要

In a fixing belt having at least a release layer and a metal layer formed of electroformed nickel, the electroformed nickel has, in its crystal texture, crystallites having an average size of 0.05 mum or more and 0.2 mum or less. This fixing belt has high durability, and an image heat fixing assembly using this fixing belt has high durability and high reliability and realizes low-energy heating by utilizing a heating element with a small heat capacity.