Chao Kai Tung

Title: Innovations of Chao Kai Tung

Introduction

Chao Kai Tung is a notable inventor based in Cork, Ireland, recognized for his contributions to the field of semiconductor technology. With a total of five patents to his name, he has made significant advancements in the application of underfill materials and testing methods for semiconductor devices.

Latest Patents

One of his latest patents is titled "Application of underfill via centrifugal force." This invention focuses on enhanced systems and methods for applying underfill (UF) material to fill gaps between electrically coupled semiconductor devices. The process involves applying uncured UF material to one edge of the gap and utilizing capillary flow to distribute it. To fill the second portion of the gap, accelerated motion is employed, where the integrated device is affixed to a centrifuge to spread the uncured UF material uniformly. Once distributed, curing processes are applied to solidify the UF material.

Another significant patent is the "Probe card for efficient screening of highly-scaled monolithic semiconductor devices." This invention describes enhanced probe cards designed for testing unpackaged semiconductor die, including multiple discrete devices such as LEDs. The probe card allows for simultaneous operation of each LED during a single touchdown event, measuring the optical output and characterizing the performance of the die. The design includes a conductive first contact and another contact made from a conformal sheet, ensuring effective testing of the semiconductor devices.

Career Highlights

Chao Kai Tung has worked with prominent companies in the technology sector, including Facebook Technologies, LLC and Meta Platforms Technologies, LLC. His experience in these organizations has contributed to his expertise in semiconductor innovations.

Collaborations

Chao has collaborated with notable professionals in his field, including Zheng Sung Chio and Daniel Brodoceanu. Their joint efforts have further advanced the development of semiconductor technologies.

Conclusion

Chao Kai Tung's innovative work in semiconductor technology, particularly in underfill applications and testing methods, showcases his significant contributions to the industry. His patents reflect a commitment to enhancing the efficiency and effectiveness of semiconductor devices.