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Decapping integrated circuits with sap

[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...

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Taking a look at decapped ICs

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...

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Anyone Need a Little Fuming Nitric Acid?

If there’s a chemical with a cooler name than “fuming nitric acid,” we can’t think of it. Nearly pure nitric acid is useful stuff, especially if you’re in the business of making rocket fuels and...

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Learn IC Decapping

Decapsulating ICs used to be an exotic technique. (I should know, I did that professionally for one of the big IC vendors back in the 1980s.) These days, more and more people are learning to take apart...

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Recovering Metal From Waste

Refining precious metals is not as simple as polishing rocks that have been dug out of the ground. Often, complex chemical processes are needed to process the materials properly or in high quantities,...

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Getting a Fly’s-Eye View with Microfabricated Lens Arrays

Atomic force microscopy, laser ablation, and etching with a witches brew of toxic chemicals: sounds like [Zachary Tong] has been playing in the lab again, and this time he found a way to fabricate...

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William Blake Was Etching Copper in 1790

You may know William Blake as a poet, or even as #38 in the BBC’s 2002 poll of the 100 Greatest Britons. But did you know that Blake was also an artist and print maker who made illuminated (flourished)...

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