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passivation

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passivation [‚pas·ə′vā·shən]
(electronics)
Growth of an oxide layer on the surface of a semiconductor to provide electrical stability by isolating the transistor surface from electrical and chemical conditions in the environment; this reduces reverse-current leakage, increases breakdown voltage, and raises power dissipation rating.
(metallurgy)
To render passive; to reduce the reactivity of a chemically active metal surface by electrochemical polarization or by immersion in a passivating solution.

passivation
Treatment of a metal surface which leaves a protective coating, rendering the surface less reactive chemically.


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CMM Inspection * Passivation--Nitric and citric passivation * Belting, Polishing, and Cosmetic Finishes--A full range of belting and polishing equipment with grit and shot peening capability.
Leave the CLU on for 15 minutes to see if the battery current burns through the passivation layer.
The changes, according to the Highland Heights, Ohio-based contract manufacturer, included automating the company's processes for chemical descaling of laser-cut materials as well as automating its passivation and finishing lines and various polishing processes.
 
 
 
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