74HCT125N Philips IC/Microchip 10 pcs

hey everyone I got interested in decapping integrated circuits which means dissolving away the epoxy package and exposing the die so that you can either see what the die looks like and figure out perhaps what the circuit is or just probe the die while it's the chip is you have power so let me show you how I did this initially I started just using a dremel to remove a lot of the epoxy packaged material but I found that that was very inaccurate as it turns out the acid etching process which I'll describe later is very dependent on having a uniform pocket for the acid to sit in so for my first real attempt after playing around a little bit the Dremel I decided to use the CNC mill so I drew up a little pocket in the CAD tool and then mounted the I see in the CNC vise and got it carefully set up and then milled the pocket out so I had a really nice even consistent depth pocket and for these