Company Filing History:
Years Active: 1993-2006
Title: Innovations of Walter H Johnson
Introduction
Walter H Johnson is a notable inventor based in San Jose, California. He has made significant contributions to the field of thin film measurements, holding a total of three patents. His work focuses on innovative processes and apparatuses that enhance the accuracy and efficiency of measuring properties of conductive layers.
Latest Patents
One of his latest patents is titled "Process and apparatus for integrating sheet resistance measurements and reflectance measurements of a thin film in a common apparatus." This invention allows for the simultaneous measurement of both reflectance and sheet resistance of thin films, such as metal films or doped semiconductors. The process involves directing a beam of radiation onto the thin film's surface, sensing the reflected radiation, and measuring the sheet resistance using a specialized apparatus. This innovation enables the determination of the film's thickness by deriving resistivity from the measured reflectance.
Another significant patent is "Systems and methods for measuring properties of conductive layers." This patent describes a pin designed to be used within a probe for measuring properties of conductive layers. The system includes a mounting device and multiple probes, allowing for precise measurements of conductive layers during operation.
Career Highlights
Walter H Johnson has worked with prominent companies in the technology sector, including KLA-Tencor Technologies Corporation and Prometrix Corporation. His experience in these organizations has contributed to his expertise in the field of thin film measurement technologies.
Collaborations
Throughout his career, Johnson has collaborated with notable individuals such as Chester L Mallory and Wayne K Borglum. These partnerships have likely enriched his work and led to further advancements in his inventions.
Conclusion
Walter H Johnson's contributions to the field of thin film measurements through his innovative patents demonstrate his significant impact as an inventor. His work continues to influence the industry and enhance measurement techniques for conductive layers.