Fri 18 May 2007
This is the die of a Realtek ALC655 AC’97 audio CODEC. This came off a P4 mainboard that burned out. Sulfuric acid was used to liberate this die, however, the black coatings at the top left and bottom right sides of the die are simply super-glue and the result of a sloppy mounting job by myself. Still no artifacts and a lot of metal on the surface. Some interesting features can be seen in the three successive 100x images with varying depth.
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May 24th, 2007 at 11:11 pm
[...] controller, that I subjected to the sulfuric acid two weeks ago. Unfortunately, just as the previous chip, I did a poor job gluing the die to a microscope slide resulting in some glue on top of the chip. [...]