Patent ID: 7242538
Filing Date: 2007-07-10
Classification: H01L

Abstract:
1. An optical device comprising: a base provided with an opening which is a hole through the base and whose side face has a taper widened toward a front side face of the base; a wire embedded in the base so that an internal terminal portion and an external terminal portion are exposed from a back side face of the base and are in the same plane; a transparent member covering the opening from the front side face of the base; and a light emitting/receiving element coupled to the internal terminal portion of the wire with a bump so that the light emitting/receiving element covers the opening from the back side face of the base, wherein a side surface of the transparent member has a taper widening in an upward direction so that at least a part of the side surface of the member engages the side face of the opening of the base, and the opening is located between the light emitting/receiving element and the transparent member.