This inventor holds 1 USPTO granted patent. Top assignees: Kabushiki Kaisha Toshiba, Siemens Microelectronics Limited. Active years: 2000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2000
Title: Thomas Fischer: Patent Inventor in Mechanicsville, Virginia.
Introduction
Thomas Fischer is an inventor associated with Mechanicsville, Virginia. His patent work includes a method for producing a mask blank designed to improve the accuracy of patterned shading films.
Latest Patents
Fischer is credited with 1 patent: “Mask Blank and Method of Producing Mask.” The invention describes forming a chrome shading film on one surface of a circular quartz substrate, then rotating the substrate while applying resist. Centrifugal force helps spread the resist uniformly across the shading film. The resist is patterned and used as a mask during etching, enabling a pattern with improved dimensional accuracy.
Career Highlights
Fischer’s career includes associations with Siemens Microelectronics Limited and Toshiba Corporation.
Collaborations
His listed coworkers include Katsuhiko Hieda and Andreas Grassmann.
Conclusion
Thomas Fischer’s patent focuses on uniform resist application and accurate pattern formation for mask blanks, reflecting his work in semiconductor-related technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile