Need to cut tiny parts, and don’t have access to a commercial wafer dicing machine? So did amateur radio enthusiast Tony, who needed to cut small pieces of 50 ohm microstrip lines for a 47 GHz radio he is constructing. His solution was to build a homebrew diamond wafer saw, using a diamond wheel from ebay, the bearings from a hard drive, and some custom electronics.

We covered Tony’s saw back in July, when he put out the first part of his tutorial. Flash forward six months, and he completed a four part (1 2 3 4) tutorial documenting the project. Well done, and excellent writeup!

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DIY diamond chop saw

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