By Jim Vinoski, Forbes Contributor
How do integrated circuits, metal foundries’ investment casting molds, and inkjet printing heads inspire someone to invent a 3-D printing technology? For Professor Ely Sachs, that’s the story of how he came up with binder jetting metal printing, playing a huge part in inventing the whole world of 3-D printing in the process.
We know where it all led today. Binder jetting, in which layers of metal are deposited and held together with a binding agent to print a complete part, which is then heated to fuse the metal, is one of the two core technologies of Desktop Metal, the company that Sachs co-founded in 2015[…]