Company Filing History:
Years Active: 1976
Title: The Innovative Contributions of Harry Charles Calhoun
Introduction
Harry Charles Calhoun, an esteemed inventor based in Wappingers Falls, NY, has made significant strides in the field of semiconductor technology. With two patents to his name, Calhoun's innovative approaches have contributed to advancements in electronics, particularly in the formation of Schottky barrier junctions and integrated circuit structures.
Latest Patents
Calhoun's latest patents highlight his expertise and creativity in semiconductor manufacturing. The first patent describes a "Method of forming Schottky barrier junctions having improved barrier height characteristics." This method utilizes a layer of polysilicon deposited on the Schottky metal prior to sintering, which serves as a source for silicon diffusion into the metal. The rapid cooling after sintering prevents outdiffusion, thus enhancing the barrier characteristics of the junction.
The second patent, titled "Multilayer insulation integrated circuit structure," presents a planar semiconductor integrated circuit chip with a surface that contains regions of varying conductivity-determining impurities. This structure includes a multilayer insulative design with a metallization pattern that interconnects active and passive devices. The strategic arrangement of via holes ensures that Schottky barrier contacts are formed, preventing short circuits and enhancing circuit efficiency.
Career Highlights
Calhoun has had a notable career at the International Business Machines Corporation (IBM), where he has been an integral part of the team driving semiconductor innovation. His work is characterized by a focus on improving integrated circuit technology and enhancing the performance of semiconductor devices.
Collaborations
Throughout his career, Calhoun has collaborated with prominent colleagues, such as Harsaran S Bhatia and Robert Leonard Melhado. These collaborations have fostered a creative environment that has yielded significant advancements in their respective fields.
Conclusion
Harry Charles Calhoun is a testament to the innovative spirit within the semiconductor industry. His patents reflect a deep understanding of material science and engineering principles, demonstrating how thoughtful invention can lead to substantial progress. As technology continues to evolve, contributions from inventors like Calhoun will play a crucial role in shaping the future of electronics.