Patent ID: 6396116
Filing Date: 2002-05-28
Classification: H01L

Abstract:
An optical device structure comprising:a first substrate comprising: a first major surface and a second major surface; an optical sensor located at said first major surface; a plurality of connection points formed at said first major surface, wherein said optical sensor is electrically connected to at least a portion of said plurality of connection points; a second substrate comprising; a first major surface and a second major surface; means, aligned with said optical sensor, for allowing light to be detected by said optical sensor; a first plurality of conductive pads located at said first major surface and aligned with said plurality of connection points of said first substrate, wherein said plurality of connection points of said first substrate are flip chip bonded to said first plurality of conductive pads of said second substrate; a second plurality of conductive pads physically connected to said second substrate and electrically connected to said first plurality of conductive pads; and a circuit board comprising; a first major surface and a second major surface; a third plurality of conductive pads formed on said first major surface of said circuit board and aligned with said second plurality of conductive pads of said second substrate; a plurality of interconnects connected between said second plurality of conductive pads of said second substrate and said third plurality of conductive pads of said circuit board, wherein said second plurality of conductive pads of said second substrate are flip chip bonded to said third plurality of conductive pads of said circuit board; wherein said optical sensor is electrically connected to said third plurality of conductive pads of said circuit board.