Location History:
- Beaverton, OR (US) (1977 - 1978)
- Tigard, OR (US) (1977 - 1981)
- Portland, OR (US) (1988 - 2001)
Company Filing History:
7 out of 2,729 
1 out of 29 
1 out of 21 Years Active: 1977-2001
Title: Celebrating the Innovations of Michael L. Rieger in Wafer Lithography
Introduction: Michael L. Rieger, a prominent inventor based in Portland, Oregon, has made significant contributions to the field of wafer lithography. With a total of 10 patents to his name, Rieger continues to push the boundaries of technology with innovative solutions that enhance the precision and efficiency of semiconductor manufacturing.
Latest Patents: Among Rieger's latest inventions is a groundbreaking patent for proximity correction software specifically designed for wafer lithography. This system is focused on computing a pattern function for polygonal patterns with a limited number of predetermined face angles. The method involves decomposing the polygon into a set of flashes and calculating the pattern function by summing up all flashes evaluated at a designated point (x, y). This method not only identifies whether a point falls within the polygon but also returns a convolution value for accurate adjustments during the proximity correction process.
Career Highlights: Throughout his career, Michael L. Rieger has worked at notable companies like Tektronix, Inc., where he developed his expertise in electronics and semiconductor technologies. His innovative mindset and dedication to improvement have made a lasting impact on the industry and contributed to advancements in lithography techniques.
Collaborations: Rieger has collaborated with esteemed colleagues such as John P. Stirniman and Paul A. Warkentin. These partnerships have fostered a creative environment that encourages cutting-edge innovation and the development of novel solutions within the realm of wafer lithography.
Conclusion: Michael L. Rieger’s work exemplifies the spirit of invention and innovation, particularly in the critical area of semiconductor manufacturing. His patents not only reflect his technical acumen but also pave the way for future advancements in the field. As technologies continue to evolve, Rieger's contributions will undoubtedly remain influential in shaping the landscape of wafer lithography and beyond.