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Aside from wanting to play around with nitric acid, [Ben] really didn’t have a reason to decap a few 74xx and 4000-series logic chips. Not that we mind, as he provides a great tutorial at looking at a bare IC that isn’t covered in epoxy and resin. Most ICs are encased in a hard epoxy [...]

Tags:  epoxy ics look ben logic-chips resin chemistry hacks  

[James] is interested in reverse engineering some integrated circuits. One of the biggest hurdles in this process has always been just getting to the guts of the chip. He used acetone to dissolve the plastic case but had trouble getting through the epoxy blob. Commonly, the epoxy is soaked in nitric acid for a few [...]

Tags:  epoxy decapping reverse james integrated-circuits plastic-case acetone chemistry hacks  

[Tim Anderson] whipped up this nixie tube display using epoxy-coated wires. He’s certainly giving the wire-wrapped LED display a run for its money. He ground the epoxy off the end of each wire using a Dremel before soldering them. We thought you could solder right through the epoxy but maybe not. Was this easier than [...]

Tags:  display epoxy nixie-display tim-anderson nixie-tube dremel arduino hacks  

[Jykazu] wanted to use an external lens with his Kodak Zi8 but he didn’t want to alter the camera or glue something onto it. His solution was to build a bracket out of epoxy dough. He first covers the camera in scotch tape to protect the finish, then he kneads the dough to mix the [...]

Tags:  camera epoxy dough scotch-tape mounting-brackets glue digital cameras hacks