Patent ID: 7414663

Claim:
A method for manufacturing a camera module, the method comprising the steps of: positioning an optical filter between a lens and a diaphragm portion of a lens barrel, an opening through said diaphragm portion exposing said optical filter; forming a through-hole to a wiring board; joining a plate of a first material to a first face of said wiring board, the wiring board being of a material different from said first material; mounting an optical element to a second face of said wiring board, such that a light receiving portion of said optical element is between a shielding layer and said lens; positioning said lens barrel in an inner periphery of a holder; mounting said holder to said plate, such that said through-hole extends through said lens barrel, said plate and said wiring board, and said light receiving portion and said lens are disposed along an optical axis, said optical axis extending through said opening, said optical filter, and said through-hole.