Hans P Wolf

Title: Innovations of Inventor Hans P. Wolf

Introduction: Hans P. Wolf is an accomplished inventor based in Zurich, Switzerland, known for his significant contributions to technology with a total of five patents to his name. His pioneering work in the field of superconductivity and memory storage structures demonstrates his commitment to advancing modern technology.

Latest Patents: Among his latest inventions, Wolf developed a groundbreaking field-effect device with a superconducting channel. This innovative field-effect structure comprises a channel formed on a substrate, featuring source and drain terminals, with a gate separated from the channel by an insulating layer. The channel is crafted from a high-temperature metal-oxide superconductor, specifically YBaCuO, which possesses a high carrier density of about 10^21 /cm^3 and a correlation length of approximately 0.2 nm. The channel thickness is optimally around 1 nm, and the single crystalline orientation enhances superconductivity in the plane parallel to the substrate. By applying a few volts to the gate, Wolf's design allows the channel resistance to toggle between a 'zero resistance' state (undepleted, superconducting) and a 'very high resistance' (depleted) state.

Another remarkable invention by Wolf is a charge storage structure for nonvolatile memories. This innovative design consists of a four-layer structure made up of alternating layers of silicon-rich silicon dioxide and standard silicon dioxide, with electrode layers on the top and bottom. The upper and middle silicon-rich layers serve as enhanced Fowler-Nordheim injectors, while the middle layer also acts as a charge storage medium due to silicon particles functioning as deep traps. This groundbreaking technology is particularly applicable in the realm of nonvolatile memory systems.

Career Highlights: Hans P. Wolf's career has been largely associated with the International Business Machines Corporation (IBM), where his research continues to influence the field of electronics and memory technologies. His work integrates advanced materials science with innovative electronic applications, affirming his role as a leading figure in technological advancements.

Collaborations: Throughout his career, Wolf has collaborated with esteemed colleagues, including Christoph S. Harder and Heinz Jaeckel. These collaborations have further propelled his research and development, leading to significant advancements in their respective fields.

Conclusion: In summary, Hans P. Wolf's contributions to the fields of superconductivity and nonvolatile memory storage exemplify his dedication to innovation and invention. With multiple patents to his name and ongoing projects at IBM, he continues to be a pivotal figure in advancing technology, transforming concepts into tangible solutions that hold the potential to impact various sectors.