Laminate film, fixing film and image heating apparatus using same
AssigneeCanon Kabushiki Kaisha
InventorsTomonori Shida, Kazuo Kishino, Masaaki Takahashi, Hideyuki Yano, Atsuyoshi Abe, Masahiro Suzuki
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Abstract
A laminate film showing good durability under pressure and heat application, and suitably used as a fixing film for toner image fixation, is provided. Such a laminate film is provided by forming a polyimide resin layer on a metal base layer at a controlled imidation percentage of 70-93%.
Claims14
A laminate film, comprising a metal layer and a polyimide resin layer, wherein the polyimide resin layer has an imidation percentage of 70-93%.
A laminate film comprising a metal layer and a polyimide resin layer, wherein the polyimide resin layer has an imidation percentage of 70-93%, and an elastic layer on the metal layer.
A fixing film, comprising a metal layer and a polyimide resin layer, wherein the polyimide resin layer has an imidation percentage of 70-93%.
Dependencies are inferred from the claim text.