Company Filing History:
Years Active: 2009-2023
Title: Howard Tweddle: Innovator in GaN-on-Si Semiconductor Technology
Introduction
Howard Tweddle is a prominent inventor based in Carp, CA, known for his significant contributions to semiconductor technology. With a total of seven patents to his name, Tweddle has made remarkable advancements in the field of high current and high voltage lateral GaN transistors.
Latest Patents
Tweddle's latest patents focus on GaN-on-Si semiconductor device structures designed to enhance die yield and device reliability. His innovative approach involves the fabrication of GaN device structures comprising GaN epi-layers on a silicon substrate. The method includes defining a trench structure around each die, which extends through the GaN epi-layers and into the silicon substrate. This trench cladding, which may include a passivation layer and a conductive metal layer, significantly reduces the risk of dicing damage and defects in the GaN epi-layers. Additionally, the metal trench cladding serves as a barrier against electro-migration of mobile ions, further improving device performance.
Career Highlights
Throughout his career, Howard Tweddle has worked with notable companies such as Gan Systems Inc. and Group IV Semiconductor, Inc. His expertise in semiconductor technology has positioned him as a key player in the industry, contributing to advancements that benefit various applications.
Collaborations
Tweddle has collaborated with esteemed colleagues, including Greg P Klowak and Thomas W Macelwee, further enhancing the impact of his work in the semiconductor field.
Conclusion
Howard Tweddle's innovative contributions to GaN-on-Si semiconductor technology have established him as a leading inventor in the industry. His work continues to influence advancements in high current and high voltage applications, showcasing the importance of innovation in technology.