For [emach1ne], the DIY LED was part of a Master’s degree course and began with a slice of epitaxial wafer that goes through cleaning, annealing, and acid etching steps in preparation for ...

The negatively charged and extremely reactive fluorine ions are attracted to the wafer, where they attack and etch away the surfaces that aren’t protected by a photoresist layer. It all sounds ...

(Courtesy of Sridhar Majety) Researchers at the University of California, Davis, have demonstrated an angle etching method for fabricating quantum photonic devices at the wafer scale in silicon ...

The etching and characterization room contains a suite of tools for dry etching and characterization of samples. This includes three dry etchers with a range of capabilities, while characterization ...

and metal. Selis employs both radical and thermal etch capabilities to enable ultra-high selective etching. “Lam Research is driving the wafer fabrication advancements needed to support the chip ...

The photon detection technique has several applications. Fractal superconducting nanowire single-photon detectors (SNSPDs) ...