Company Filing History:
11 out of 164,108 
1 out of 832,680 Years Active: 1980-1997
Title: The Innovative Journey of Martin Revitz
Introduction
Martin Revitz, an accomplished inventor based in Poughkeepsie, NY, has made remarkable contributions to the field of semiconductor technology. With a strong portfolio of 12 patents, his work has significantly advanced the design and functionality of high-frequency transistors.
Latest Patents
Revitz's most notable patents include a novel method for creating heterojunction bipolar transistors (HBTs). This method introduces a high gain, high frequency transistor achieved by utilizing a moderately doped retrograde emitter and a self-aligned implantation process through an emitter opening window. The innovative combination allows for continued base width scaling, ensuring enhanced current capability while reducing leakage and capacitance at the emitter-base junction, particularly near the base contacts. The performance of his transistors can reach cut-off frequencies around 100 GHz with a base width of just 30 nm in a SiGe device.
Another significant patent involves a method of forming a doped region within a semiconductor substrate. This technique employs a low temperature, epitaxial, in situ doped semiconductor layer as a sacrificial dopant source. The precision of this process results in small-dimensioned doped regions with tightly controlled dopant concentrations. The oxidized dopant layer is later removed by etching, allowing the formation of vertical bipolar transistors, where the doped region serves as the base.
Career Highlights
Martin Revitz's career has been marked by his work at IBM, where he has been instrumental in the development of cutting-edge semiconductor technologies. His expertise not only includes the design of high-frequency devices but also encompasses innovative techniques for improving semiconductor fabrication processes.
Collaborations
During his career, Revitz has collaborated with notable colleagues such as Joseph F. Shepard and James R. Gardiner. Their combined efforts have contributed to advancements in the field, pushing the boundaries of what is possible in semiconductor technology.
Conclusion
Martin Revitz stands out as a pioneering inventor in the realm of high-frequency transistor technology. His 12 patents reflect a profound understanding of semiconductor science and a commitment to innovation. As technology continues to evolve, the impact of his contributions will undoubtedly resonate within the industry for years to come.
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