Re: Beta degradation quantified?

John Larkin wrote:


Makes sense. Zenering a b-e junction is known to emit light, and
anything that emits light destroys itself.

John


There's a technique called PICA that uses time-resolved imaging of (very dim) light emitted from FETs in processors to do failure analysis and power supply tolerancing. This summer I designed a small spectrometer for an intern who wanted to measure the emission spectrum using PICA.

Cheers,

Phil Hobbs
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