Kolins Chao

Title: Kolins Chao: Innovator in Semiconductor Technology

Introduction

Kolins Chao is a prominent inventor based in Zhubei, Taiwan. He has made significant contributions to the field of semiconductor technology, holding a total of three patents. His work focuses on the development of advanced semiconductor devices, particularly Schottky rectifiers.

Latest Patents

Chao's latest patents include innovative methods for forming semiconductor Schottky rectifier devices. One of his patents describes a method that involves providing a semiconductor substrate and forming a hard mask for trench etching. This method includes openings for guard rings, an anode region, and a cathode region. The process also entails etching a semiconductor epitaxial material layer to create multiple trenches. Additionally, it involves forming a first dielectric layer, depositing a polysilicon layer, and performing an anisotropic etch to create polysilicon elements on the trench sidewalls. The method further includes depositing and etching a second dielectric layer to expose the Schottky diode region and the bottom region of the trench in the cathode region. Finally, it describes the deposition of a first metal layer and thermal treatment to form metal silicide in the Schottky diode and cathode regions, followed by the formation of a second metal layer that is separated into an anode electrode and a cathode electrode.

Another patent details a semiconductor Schottky rectifier built in an epitaxial semiconductor layer over a substrate. This device features an anode structure and a cathode structure extending from the surface of the epitaxial layer. The cathode contact structure includes a trench structure near the epi-layer, with a vertical sidewall surface covered by a gate oxide layer. Furthermore, the cathode structure comprises a polysilicon element adjacent to the gate oxide layer.

Career Highlights

Kolins Chao is currently employed at Diodes Inc., where he continues to innovate in semiconductor technology. His expertise and contributions have positioned him as a key figure in the industry.

Collaborations

Chao has collaborated with notable coworkers, including John Huang, enhancing the innovative efforts within his team.

Conclusion

Kolins Chao's work in semiconductor technology, particularly in the development of Schottky rectifiers, showcases his commitment to innovation. His patents reflect a deep understanding of semiconductor processes and materials, contributing to advancements in the field.