Optically transmissive preformed planar structures

Details Optically transmissive preformed planar structures Optically transmissive preformed planar structures

1996-07-15

1998-11-10

Saadat, Mahshid D.

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

With reflector, opaque mask, or optical element integral...

257434, 257680, 257681, H01L 3300, H01L 310203, H01L 2302

Patent

active

058347992

ABSTRACT:
A semiconductor die is disposed on a side of an optically-transmissive preformed planar structure (interposer), and an optical element is disposed on an opposite side of the interposer. The interposer may be provided with through holes extending at least partially into the die side, and electrical probes in the through holes, for making contact to raised conductive bumps on the die. The interposer may be provided with raised portions for locating the optical element at a predetermined distance away from the die. The interposer may be provided with darkened areas for preventing light from impacting selected areas of the die.

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