PROBLEM TO BE SOLVED: To provide an endoscope suppressing short circuit of electrode patterns for feeding a power to a light-emitting element.SOLUTION: The endoscope having a long insertion part includes: a substrate provided at the distal end side of the insertion part an observation optical system mounted on the substrate and focusing light from the front of the substrate a tabular base material 62 mounted on the substrate such that one surface 62a thereof faces the distal end side a heat radiation pattern 63 and a pair of electrode patterns 65 arranged on one surface of the base material so as to be spaced from each other and formed of metal a light emitting element 68 provided on the heat radiation pattern a wire 73 for electrically connecting the light emitting element to the pair of electrode patterns respectively and a heating radiation member 56 arranged on the other surface 62b of the base material and formed of a material having a thermal conductivity larger than that of the base material.COPYRIGHT: (C)2013,JPO&INPIT【課題】発光素子に電力を供給する電極パターンが短絡するのを抑えた内視鏡を提供する。【解決手段】長尺の挿入部を備える内視鏡において、挿入部の先端側に設けられた基体と、基体に取付けられ、基体の前方からの光を集光する観察光学系と、自身の一方の面62aが先端側を向くように基体に取付けられた板状の基材62と、基材の一方の面に互いに離間するように配置され、金属で形成された放熱パターン63および一対の電極パターン65と、放熱パターンに設けられた発光素子68と、発光素子と一対の電極パターンとを電気的にそれぞれ接続する配線73と、基材の他方の面62b上に配置され、基材より熱伝導率の大きな材料で形成された放熱部材56とを有する。【選択図】図4
