Company Filing History:
2 out of 19 
1 out of 16 
1 out of 35 Years Active: 2002-2013
Title: The Innovations of Erh-Kong Chieh
Introduction
Erh-Kong Chieh is a notable inventor based in Cupertino, California, recognized for his contributions to the field of semiconductor technology. With a total of four patents to his name, Chieh has made significant advancements in the design and fabrication of probe card assemblies and miniaturized springs.
Latest Patents
Chieh's latest patents include innovative structures and processes for the fabrication of probe card assemblies with multi-layer interconnects. This invention is based on a layout of a semiconductor wafer that comprises a plurality of integrated circuits at pre-defined locations. Each integrated circuit features a set of electrical connection pads, and a probe chip contactor is established to correspond to each of the arranged integrated circuits. The design allows for a wafer scale standard cell layout, enhancing the efficiency of electrical connections.
Another significant patent is the miniaturized contact spring, which addresses the challenges of increasing yield strength and fatigue strength in miniaturized springs. This invention allows for the fabrication of springs in arrays with ultra-small pitches while minimizing adhesion of contact pad materials to the spring tips. Additionally, it presents a method to fabricate springs that can handle relatively higher currents without significantly degrading their lifetime.
Career Highlights
Throughout his career, Erh-Kong Chieh has worked with several companies, including Nanonexus Corporation and Aptos Corporation. His work has been instrumental in advancing technologies that are critical to the semiconductor industry.
Collaborations
Chieh has collaborated with notable professionals in his field, including Fu Chiung Chong and Syamal Kumar Lahiri. These collaborations have contributed to the development of innovative solutions in semiconductor technology.
Conclusion
Erh-Kong Chieh's contributions to the field of semiconductor technology through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in the industry, showcasing the importance of innovation in technology.