Surprisingly, alignment isn’t critical. The epoxy dries and then the circuit board is taken to a, “semi-automatic thermosonic wire bonding machine,” and slotted into a fixture at its base.

Epoxy granite is your best bet, but what epoxy granite is the best? That’s the question [Adam Bender] answered in a series of experiments that resulted in a great-looking CNC machine.

Master Bond Polymer System EP22 is an aluminum filled, two component epoxy adhesive for high performance bonding, sealing, and coating. It is formulated to cure at room temperature or more rapidly at ...

3M Scotch-Weld DP270 Epoxy Adhesive Duo-Pak Black is a two-part epoxy adhesive. It is used for the potting and encapsulation of many heat sensitive or delicate components. It has good thermal shock ...