Mount structure, electro-optical device, and electronic apparatus

A mount structure comprising:

• an electronic component having a base substance and protruded electrodes provided on a surface of the base substance, each of the protruded electrodes having an electrode pad, a projection having elasticity, and an electro-conductive film that is formed to extend from a surface of the electrode pad to go over a surface of the projection;
• a transparent substrate for mounting the electronic component thereon, the transparent substrate having terminals that are electrically connected to the electro-conductive films;
• at least one dummy projections each of which is provided on the surface of the base substance;
• and
• at least one patterns each of which is formed at a position corresponding to the dummy projection on a surface of the transparent substrate,
• wherein each of the dummy projections becomes elastically deformed by a certain deformation amount when the electronic component is mounted on the transparent substrate, the deformation amount thereof having a certain predetermined deformation ratio relative to the amount of deformation of each of the protruded electrodes, which also becomes elastically deformed due to pressure applied by the electronic component onto the surface of the transparent substrate;
• and
• each of the patterns is used for checking the amount of elastic deformation of the corresponding dummy projection when making observation through a reverse face of the transparent substrate that is opposite the above-mentioned surface thereof.