Company Filing History:
Years Active: 1988-1995
Title: John R. Porter: Innovator in Magnetron Technology
Introduction
John R. Porter is a notable inventor based in Napa, California, recognized for his contributions to the field of magnetron technology. With a total of 2 patents, he has made significant advancements that enhance the efficiency and effectiveness of sputtering processes.
Latest Patents
One of his latest patents is the "Cylindrical Magnetron Shield Structure." This invention features a rotating cylindrical sputtering target surface that includes cylindrical shields at each end. These shields are designed to maximize etching and prevent condensation and arcing, particularly when sputtering dielectrics. In systems with multiple rotating targets, each target is similarly shielded. An alternative design includes a single cylindrical shield with an opening that allows access to the sputtering region while maintaining protection for the target's end regions. This innovative shield structure is rotatable, enabling the selection of sputtering activity positions. Another significant patent is the "Cryosorption Surface for a Cryopump," which describes a two-stage cryosorption pump. This pump features a first stage operating at a higher temperature and a second stage at a lower temperature, utilizing sorption surfaces made of reticulated vitreous carbon that offer high rigidity and exceptional void volume.
Career Highlights
Throughout his career, John R. Porter has worked with prominent companies such as Varian Associates, Inc. and The Boc Group, Inc. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
John has collaborated with notable individuals in his field, including Christopher M. Flegal and Peter A. Sieck. Their joint efforts have further advanced the technologies related to magnetron systems.
Conclusion
John R. Porter is a distinguished inventor whose work in magnetron technology has led to significant advancements in sputtering processes. His innovative patents and collaborations reflect his commitment to enhancing technological efficiency.