Cross-talk and back side shielding in a front side...

Details Cross-talk and back side shielding in a front side... Cross-talk and back side shielding in a front side...

2007-03-02

2009-06-09

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

Reexamination Certificate

active

07544947

ABSTRACT:
A front side illuminated photo detector array is shielded from X-ray cross-talk by filling the septa between individual photo detector diodes with a high atomic number material such as tungsten. The processing circuitry is also shielded from stray X-rays by a barrier such as tungsten placed between each photo detector diode and the processing circuitry. This barrier serves a dual role as shielding the processing circuitry from stray X-ray radiation and acting as the electrical contact between the detector diode and the circuitry.

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