How chemical etching keeps tooling costs low and allows for rapid design changes. 1. Chemical etching can create complex, ...

If you were building a recreation of the James Watt micrometer, where would you start? If you’re [rasp], the answer would be: “Spend a year trying to find the best way to make etched brass discs.” ...

Let’s get really, really small. That directive from leading semiconductor companies and their customers is forcing the whole semiconductor supply chain to come up with new ways to design and ...

Scanning electron microscopy (SEM) studies 16,17,18,19 have reported conflicting results with reference to the marginal adaptation of MTA to root-canal walls. For example, Torabinejad et al. 16 and ...