Company Filing History:
Years Active: 1978-1982
Title: The Innovations of Donald A. Edson in Electrical Bonding Technologies
Introduction
Donald A. Edson, located in Cambridge, GB, is a distinguished inventor known for his advancements in electrical inter-connection methods. With two patents to his name, Edson has made significant contributions to the field of bonding technologies, particularly for aluminium and aluminium alloy wires.
Latest Patents
Edson's most recent inventions include an innovative electrical inter-connection method and a bonding method and apparatus. The electrical inter-connection method is designed to permit ball-bonding of wires to small electrical circuits or components. It utilizes a spark discharge created between the end of the wire and an electrode in a shielding atmosphere. This technique achieves a peak current density that is impressively 40 to 450 times that used for ball-bonding gold wire, effectively preventing oxidation of the ball.
In addition, Edson has developed a bonding method and apparatus that addresses the challenges associated with forming a ball on the end of a wire for ball bonding. This method involves applying a low voltage, typically around 30 volts, between the wire and an electrode. By bringing the wire and electrode into temporary contact, the wire is fused, initiating a spark discharge that leads to the formation of a ball on the wire end, all while taking place in a shielding gas to avoid oxidation.
Career Highlights
Currently, Edson is associated with The Welding Institute, where he continues to innovate and push the boundaries of technology in electrical bonding applications. His work has made a lasting impact in the industry, providing engineers with new solutions for connecting components securely.
Collaborations
Throughout his career, Edson has collaborated with notable professionals such as Keith I. Johnson and Michael H. Scott. These partnerships have fostered a creative environment that promotes the development of unique solutions in the bonding technology space.
Conclusion
With a focus on improving electrical connection methods, Donald A. Edson has established himself as a pivotal figure in the field of bonding technologies. His patents not only reflect his innovative spirit but also offer practical solutions that enhance the reliability of electrical connections. Edson’s ongoing work with The Welding Institute continues to inspire advancements in this essential area of technology.