Lawrence Chang-Lai Lei

Title: Innovations by Lawrence Chang-Lai Lei

Introduction

Lawrence Chang-Lai Lei is a notable inventor based in Cupertino, CA. He has made significant contributions to the field of plasma technology, holding a total of 4 patents. His work primarily focuses on enhancing processes for etching and depositing materials in semiconductor manufacturing.

Latest Patents

One of his latest patents is a plasma reactor using inductive RF coupling. This invention features a domed plasma reactor chamber that utilizes an antenna driven by RF energy, which is inductively coupled inside the reactor dome. The antenna generates a high density, low energy plasma within the chamber, facilitating the etching of metals, dielectrics, and semiconductor materials. Auxiliary RF bias energy applied to the wafer support cathode allows for control over the cathode sheath voltage and ion energy, independent of density. The invention also discloses various magnetic and voltage processing enhancement techniques, along with etch processes, deposition processes, and combined etch/deposition processes. This technology enables the processing of sensitive devices without damage and without microloading, ultimately leading to increased yields.

Career Highlights

Lawrence Chang-Lai Lei is currently employed at Applied Materials, Inc., a leading company in the semiconductor manufacturing industry. His innovative work has contributed to advancements in plasma technology, making significant impacts on manufacturing processes.

Collaborations

He has collaborated with notable coworkers, including Kenneth S. Collins and Chan-Lon Yang, who have also contributed to advancements in the field.

Conclusion

Lawrence Chang-Lai Lei's contributions to plasma technology and semiconductor manufacturing are noteworthy. His innovative patents and collaborations reflect his commitment to advancing the industry.