Patent ID: 6144107
Filing Date: 2000-11-07
Classification: H01L

Abstract:
A solid state pickup device for receiving light as a light signal and converting the received light signal into an electrical signal, which comprises a base member (1a) having a main surface and a solid state pickup chip (3) having a bottom surface, a receiving surface opposite to said bottom surface for receiving the light signal, and a side surface extending between said bottom and said receiving surfaces, said solid state pickup chip (3) being glued on said main surface of said base member (1a) by using a first adhesive (7) with said bottom surface faced to said main surface, said solid state pickup device further comprising a transparent solid package (6) formed around said base member (1a) and said solid state pickup chip (3), wherein said first adhesive (7) is flexible;said solid state pickup device still further comprising preventing means operative to prevent stresses applied to said solid state pickup device during a reflow-soldering process from deforming said solid package or from harming said solid state pickup chip (3), wherein said preventing means comprises a transparent and flexible covering member (5) formed around said receiving and said side surfaces of said solid state pickup chip (3), and said first adhesive;said solid state pickup chip (3) being isolated from said base member (1a) and said solid package (6) through said first adhesive (7) and said covering member (5) with said bottom, said side, and said receiving surfaces not exposed to said base member (1a) and said solid package (6).