Patent ID: 6525405
Filing Date: 2003-02-25
Classification: H01L,Y10T

Abstract:
A leadless semiconductor product packaging apparatus for packaging a semiconductor circuit, comprising:a stamped downwardly bent lead-frame, said stamped downwardly bent lead-frame having an internal lead portion and an external lead portion, and said stamped downwardly bent lead-frame being in electrical contact with said semiconductor circuit; a housing member, said housing member comprising a housing material, and said housing material encapsulating said stamped downwardly bent lead-frame and exposing at least one solderable region of said external lead portions; a window lid member, a portion of said housing member comprising said window lid member, and said window lid member comprising at least one visually transparent material selected from a group consisting essentially of a polymer and a glass; a sealant seat, said sealant seat comprising at least one channel disposed on an upper surface of said housing member for providing a larger sealing surface area; and a sealant material, said sealant material being disposed between said housing member and said window lid member within said at least one channel for preventing contaminant entry.