Patent ID: 8164676

Claim:
A camera module comprising: a substrate; an image sensor chip disposed on and electrically connected to the substrate; a transparent cover, the transparent cover being an infrared filter; a lens module mounted on the substrate via an adhesive layer, the lens module comprising: a bottom surface contacting with the substrate, the bottom surface defining at least one sloped surface, wherein at least one gap is defined between the substrate and the at least one sloped surface, the adhesive layer being disposed between the bottom surface and the substrate; the gap is capable of accepting adhesive when the lens module and the substrate are pressed together, the lens module also comprises a lens holder, a lens barrel, and a lens group, the lens holder comprises a top hollow cylinder and a bottom hollow cylinder, the bottom surface is located on the bottom hollow cylinder and the image sensor chip is received in the bottom hollow cylinder, the lens barrel and the lens group are received in the lens barrel, the combined lens barrel and lens group are received in the top hollow cylinder, the lens barrel comprises a lower surface facing the image sensor chip, the transparent cover is secured to the lower surface of the lens barrel by another adhesive layer.