| abstract |
(57) [Outline] In a heating cooker having resistance heating, an internal lighting cover for the heating cooker, wherein a transparent member for protecting internal lighting is made of a thermoplastic polyimide film having a specific structure. [Effect] The thermoplastic polyimide film according to the present invention is 28 because of its excellent transparency and heat-resistant dimensional stability It can fully function as a lighting cover even at a high temperature of 0 ° C., and since the interior surface is a film, it can be wiped off even if it is dirty, which is extremely effective as an internal lighting cover for a heating cooker. |