Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – With desiccant – getter – or gas filling
Reexamination Certificate
2008-09-23
2008-09-23
Louie, Wai-Sing (Department: 2814)
Active solid-state devices (e.g., transistors, solid-state diode
Housing or package
With desiccant, getter, or gas filling
C257S433000, C257S685000, C257S730000, C257S787000
Reexamination Certificate
active
11179028
ABSTRACT:
Disclosed is a radiation emitting and/or receiving semiconductor component comprising at least one radiation emitting and/or receiving semiconductor chip (1), which is disposed in a recess (2) of a housing base body (3) and is there encapsulated with an encapsulant (4) that is readily transparent to electromagnetic radiation emitted and/or received by the semiconductor chip (1). The recess (2) comprises a chip well (21) in which the semiconductor chip (1) is secured, and a trench (22) that runs at least partway around the chip well (21) inside the recess (2), such that between the chip well (21) and the trench (22) the housing base body (3) comprises a wall (23) whose apex, viewed from a bottom face of the chip well (21), lies below the level of the surface of the housing base body (3) from which the recess (2) leads into the housing base body (3), and the encapsulant (4) extends outward from the chip well (21) over the wall into the trench (22). A corresponding housing base body is also disclosed.
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Arndt Karlheinz
Bogner Georg
Braune Bert
Waitl Günter
Fish & Richardson P.C.
Louie Wai-Sing
Oram GmbH
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