Ywan-Lung Tsay

Title: Innovations by Ywan-Lung Tsay

Introduction

Ywan-Lung Tsay is an accomplished inventor based in San Jose, CA. He has made significant contributions to the field of semiconductor technology, particularly in reducing die stress in semiconductor assemblies. With a total of 2 patents to his name, Tsay's work has had a notable impact on the industry.

Latest Patents

One of Tsay's latest patents is a method and apparatus for reducing die stress. This innovation involves a slotted metallic die attach pad designed for the attachment of a semiconductor die, such as a silicon die. The die assembly demonstrates significantly reduced die attach stress. The design features a plurality of substantially parallel, unidirectional slots in the die attach pad, which allows for deformation at the slots. This deformation compensates for differences in the thermal expansion coefficients of the silicon die and the metallic die attach pad. Additionally, stress-sensitive components of the die are aligned in a stress-sensitive direction, ensuring that the bonding occurs in a manner that minimizes stress.

Career Highlights

Ywan-Lung Tsay has been associated with National Semiconductor Corporation, where he has contributed to various projects and innovations. His expertise in semiconductor technology has positioned him as a valuable asset to the company.

Collaborations

Tsay has worked alongside notable colleagues, including Murray J Robinson, to advance the field of semiconductor technology. Their collaborative efforts have led to significant advancements in reducing die stress and improving the reliability of semiconductor devices.

Conclusion

Ywan-Lung Tsay's contributions to semiconductor technology, particularly through his innovative patents, have made a lasting impact on the industry. His work continues to influence the design and manufacturing of semiconductor devices, ensuring improved performance and reliability.