The difference between epitaxial wafer and chip is: different properties, different purposes, and different uses. du1. Differ...

The basic principle of LED epitaxial wafer growth is: on a substrate substrate (mainly sapphire, SiC, Si) heated to an approp...

 The difference between epitaxial wafer and chip is: different properties, different purposes, and different uses. du1. ...

The basic principle of LED epitaxial wafer growth is: on a substrate substrate (mainly sapphire, SiC, Si) heated to an approp...

1. LED may be used as a substitute for laser to treat cancerAccording to media reports, Professor Ivy Hsu from the Department...