Patent ID: 6586824
Filing Date: 2003-07-01
Classification: H01L

Abstract:
A packaged sensor die comprising:a substrate, said substrate comprising a substrate first surface and a substrate second surface, opposite said substrate first surface, said substrate further comprising a hole formed through said substrate, said hole extending from said substrate first surface to said substrate second surface, said hole comprising hole sides; a sensor die, said sensor die comprising a sensor die first surface and a sensor die second surface, opposite said sensor die first surface, said sensor die further comprising an active region on said first surface of said sensor die, said sensor die being positioned in said hole such that a distance between said first surface of said sensor die and said second surface of said substrate is less than a distance between said first surface of said substrate and said second surface of said substrate, said sensor die being electrically coupled to said substrate with electrical connections; an optical element, said optical element comprising an optical element first surface, an optical element second surface, opposite said optical element first surface, and optical element sides, said optical element positioned directly on said sensor die such that said second surface of said optical element is positioned over said active region of said first surface of said sensor die; a layer of encapsulant, said layer of encapsulant being applied to: a portion of said first surface of said sensor die not covered by said optical element; said first surface of said substrate; said electrical connections; said optical element sides; and filling gaps between said integrated circuit and said hole sides, wherein; said optical element is held in position over said active region of said sensor die first surface, at least in part, by said encapsulant applied to said optical element sides.