Bare Die Extraction : Extracting bare die out of the package by chemical means for the further processing steps such as pre-micrography evaluation, de-process/de-layer or other analysis tests.
Pre-micrography Evaluation: Observing bare die under microscope, then giving the approximate processing parameter evaluation report including the content about die size, layer numbers, line width, recommended micrography magnification and general pic of the die. For more precise evaluation report, de-process/de-layer engineering action (de-metal 1 and exposing poly layer) is a must.
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