Lejun Wang

Title: Lejun Wang: Innovator in Epoxy Underfill Technologies

Introduction

Lejun Wang is a prominent inventor based in Atlanta, GA (US). He has made significant contributions to the field of electronic packaging, particularly in the development of innovative epoxy underfill materials. With a total of 3 patents to his name, Wang's work has advanced the reliability and performance of electronic systems.

Latest Patents

Wang's latest patents include groundbreaking technologies such as "No-flow reworkable epoxy underfills for flip-chip applications." This invention provides a no-flow reworkable epoxy underfill designed for use in electronic packaged systems that incorporate integrated circuits and organic printed wire boards. The encapsulant features a cycloaliphatic epoxide, an organic hardener, a curing accelerator, and a fluxing agent, with the cycloaliphatic epoxide containing a carbonate or carbamate group. Additionally, a filler, such as silica, can be included. A method for forming these reworkable epoxy underfills is also provided.

Another notable patent is "Thermally degradable epoxy underfills for flip-chip applications." Similar to his previous work, this invention offers a reworkable epoxy underfill for electronic packaged systems. It includes a cycloaliphatic epoxide, an organic hardener, and a curing accelerator, with the cycloaliphatic epoxide also containing a carbonate or carbamate group. This encapsulant can also incorporate a filler, such as silica, and a method for its formation is included.

Career Highlights

Lejun Wang is affiliated with the Georgia Tech Research Corporation, where he continues to push the boundaries of materials science and engineering. His work has been instrumental in enhancing the performance and reliability of electronic devices.

Collaborations

Wang has collaborated with esteemed colleagues such as Ching-Ping Wong and Haiying Li, contributing to a rich environment of innovation and research.

Conclusion

Lejun Wang's contributions to epoxy underfill technologies have significantly impacted the field of electronic packaging. His innovative patents reflect a commitment to advancing technology and improving the reliability of electronic systems.