Method of sealing a hermetic lid to a semiconductor die at...

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – In combination with or also constituting light responsive...

Reexamination Certificate

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Details

C257S433000, C438S027000, C438S065000, C174S050500, C174S050630, C174S050510

Reexamination Certificate

active

06872984

ABSTRACT:
The current invention provides a optical MEM device and system with an angled lid for hermetically sealing an active MEMS structure. The lid is sealed through an asymmetric seal formed with sealing rings having an asymmetric distribution of solder wetting surfaces which tilts the lid, when the lid and a substrate are soldered together. The asymmetric distribution wetting surfaces can be provided by forming one or more edge features, by patterning portions of the sealing rings or both. Preferably, the lid is transparent to one or more wavelengths of light in a range of 300 to 3000 Angstroms and hermetically seals a grating light valve structure having a plurality of movable ribbon for modulating light through the lid.

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