Company Filing History:
2 out of 832,912 Years Active: 2010-2012
Title: Thomas Henry Pinnington: Innovator in Semiconductor Technology
Introduction
Thomas Henry Pinnington is a notable inventor based in Pasadena, CA (US). He has made significant contributions to the field of semiconductor technology, particularly in the development of advanced substrates for epitaxial growth.
Latest Patents
Pinnington holds 2 patents, with his latest innovations focusing on bonded intermediate substrates. One of his patents describes an intermediate substrate that includes a handle substrate bonded to a thin layer suitable for epitaxial growth of a compound semiconductor layer, such as a III-nitride semiconductor layer. The handle substrate may consist of a metal or metal alloy, like molybdenum, while the thin layer may be a sapphire layer. The method of creating this substrate involves forming a weak interface in the source substrate, bonding it to the handle substrate, and exfoliating the thin layer from the source substrate, ensuring it remains bonded to the handle substrate.
Another patent outlines a method for making a bonded intermediate substrate by implanting ions into a GaN source substrate. This process includes bonding the N-terminated surface of the GaN source substrate to a handle substrate and exfoliating a thin GaN single crystal layer. The method also involves depositing a capping layer directly onto the exposed surface of the thin GaN single crystal layer and annealing it in a nitrogen-containing atmosphere, which reduces in-plane strain in the layer.
Career Highlights
Throughout his career, Pinnington has focused on innovations that enhance the performance and efficiency of semiconductor materials. His work has been instrumental in advancing the capabilities of III-nitride semiconductors, which are critical for various electronic and optoelectronic applications.
Collaborations
Pinnington has collaborated with notable colleagues, including James M Zahler and Young-Bae Park. Their combined expertise has contributed to the successful development of innovative semiconductor technologies.
Conclusion
Thomas Henry Pinnington is a distinguished inventor whose work in semiconductor technology has led to significant advancements in the field. His patents reflect a commitment to innovation and excellence in the development of new materials and methods.