Yi-Ping Lee

Title: Innovations of Yi-Ping Lee in Semiconductor Technology

Introduction

Yi-Ping Lee is a notable inventor based in Taoyuan, Taiwan. He has made significant contributions to the field of semiconductor technology, particularly in the fabrication of tungsten plug structures. His innovative methods have paved the way for advancements in integrated circuit manufacturing.

Latest Patents

Yi-Ping Lee holds a patent for a "Method for fabricating a tungsten plug structure." This process involves forming a tungsten plug structure in a contact hole without recessing the tungsten plug or the adhesive and barrier layers during the patterning procedure. The method features a two-stage, in situ RIE procedure, utilizing a photoresist shape larger than the contact hole's diameter as a mask. This allows for the effective patterning of an aluminum-based layer, an underlying tungsten layer, and the barrier and adhesive layers. The outcome is an aluminum-based interconnect structure that protects the tungsten plug during the patterning process.

Career Highlights

Yi-Ping Lee is currently employed at Vanguard International Semiconductor Corporation, where he continues to innovate in semiconductor manufacturing processes. His work has been instrumental in enhancing the efficiency and reliability of semiconductor devices.

Collaborations

Yi-Ping Lee collaborates with various professionals in the field, including his coworker Wan-Yih Lien. Their combined expertise contributes to the advancement of semiconductor technologies.

Conclusion

Yi-Ping Lee's contributions to semiconductor technology, particularly through his patented methods, highlight his role as a key innovator in the industry. His work continues to influence the development of advanced manufacturing techniques.