Company Filing History:
Years Active: 1983-1984
Title: Innovations by David L Brewer
Introduction
David L Brewer is an accomplished inventor based in Stow, MA (US). He holds 2 patents that showcase his expertise in imaging technology and particle detection.
Latest Patents
One of his latest patents is a "Monochromatic Imaging Apparatus." This invention comprises a pair of similar diffraction gratings, focusing lenses, collimating lenses, and slits, which work together to create a monochromatic image from a polychromatic source. The apparatus allows for the concurrent movement of the gratings, enabling the selection of specific wavelengths from the light spectrum.
Another significant patent is the "Method and Apparatus for Detecting Particles on a Material." This invention focuses on detecting and measuring impurities on surfaces, such as semiconductor wafers. By directing high-intensity collimated light onto the surface, the system can identify and measure particles as small as 0.3 microns. The use of a highly sensitive TV camera allows for real-time visualization of the scattered light, providing valuable data on particle size and movement.
Career Highlights
David Brewer is currently associated with Hamamatsu Systems, Inc., where he applies his innovative skills to develop advanced imaging and detection technologies. His contributions have significantly impacted the field of optical engineering.
Collaborations
Throughout his career, David has collaborated with notable colleagues, including Charly D Allemand and Gary P Green. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.
Conclusion
David L Brewer's contributions to the fields of imaging and particle detection demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology and improving measurement techniques in various applications.