Chemical etching (also called photochemical etching, photo etching, or chemical milling) is a precision manufacturing method ...

What is Reactive Ion Etching (RIE)? Reactive Ion Etching (RIE) is a dry etching technique widely used in the fabrication of micro- and nanodevices. It combines the chemical reactivity of reactive ...

Curiosity about a mistake that left tiny dots on a germanium wafer with evaporated metal films led to the discovery of beautiful spiral patterns etched on the surface of the semiconductor by a ...

Major processes in semiconductor wafer fabrication: 1) wafer preparation, 2) pattern transfer, 3) doping, 4) deposition, 5) etching, and 6) packaging. The process of creating semiconductors can be ...

UCLA doctoral student Yilin Wong noticed that some tiny dots had appeared on one of her samples, which had been accidentally ...

A logarithmic spiral with a diameter of 500 μm, approximately half the diameter of a sewing needle. Curiosity about a mistake that left tiny dots on a germanium wafer with evaporated metal films led ...