PROBLEM TO BE SOLVED: To provide an electronic endoscope for making it possible to make an insertion part have a small diameter, by enabling an imaging device to be capable of being downsized to downsize a tip part of the insertion part.SOLUTION: An imaging device comprises: a multilayer substrate 46 in which a plurality of electronic components 55 to 58 configuring a drive circuit of a solid state imaging element are mounted, and a plurality of conductor layers 76 to 78 and a plurality of vias 71, 73 are formed； connection lands 61, 62 which are provided on a surface of the multilayer substrate 46, and to which any of the plurality of electronic components 55 to 58 is electrically connected； and a cable connection land 63 which is provided on the surface of the multilayer substrate 46, and to which a plurality of signal cables are electrically connected, where at least one of the plurality of electronic components 55 to 58 is buried at a position overlapping with the connection lands 61, 62 or cable connection land 63 inside the multilayer substrate 46.【課題】小型化が可能な撮像装置となり、挿入部の先端部の小型化が可能となることで挿入部を細径化できる電子内視鏡を提供する。【解決手段】撮像装置は、固体撮像素子の駆動回路を構成する複数の電子部品５５～５８が実装され、内部に複数の導体層７６～７８および複数のビア７１、７３が形成された積層基板４６と、積層基板４６の表面に設けられ、複数の電子部品５５～５８のうちのいずれかが電気的に接続される接続ランド６１，６２と、積層基板４６の表面に設けられ、複数の信号ケーブルが電気的に接続されるケーブル接続ランド６３と、を備え、複数の電子部品５５～５８のうちの少なくとも１つが積層基板４６の内部において、接続ランド６１，６２またはケーブル接続ランド６３に対して重畳する位置に埋設されている。【選択図】図５
