James G McMullen

Title: Innovations of James G McMullen

Introduction

James G McMullen is a notable inventor based in Pattersonville, NY (US). He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work primarily focuses on enhancing electrical contacts in silicon chips, which is crucial for the advancement of electronic devices.

Latest Patents

One of McMullen's latest patents is titled "Direct thermocompression bonding for thin electronic power chips." This invention involves the use of annealed copper foil coated with chromium and gold films, which is thermocompression bonded to an aluminum metallized substrate on a silicon chip. This method provides solderable, high current contacts to the chip. The design includes leaf portions of the foil that extend beyond the silicon chip boundaries, allowing for retroflexing to establish electrical contact at designated locations. This innovative approach can replace traditional gold detent/bump connections, securing a copper conductor to a silicon chip through an intermetallic link.

Another significant patent by McMullen is "Method for forming semiconductor electrical contacts using metal foil." Similar to his previous work, this patent describes the process of bonding copper foil to aluminum semiconductor pads, enhancing the reliability and efficiency of electrical connections in semiconductor devices.

Career Highlights

James G McMullen is currently associated with General Electric Company, where he continues to innovate in the field of semiconductor technology. His expertise and inventions have contributed to advancements in electronic components, making them more efficient and reliable.

Collaborations

Throughout his career, McMullen has collaborated with notable colleagues, including Constantine A Neugebauer and Homer H Glascock, II. These collaborations have further enriched his work and contributed to the development of innovative technologies.

Conclusion

James G McMullen's contributions to semiconductor technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovative methods for enhancing electrical contacts in silicon chips are paving the way for advancements in electronic devices.