Company Filing History:
Years Active: 1985-1986
Title: Innovations by Erwin Bretscher: A Pioneer in Pattern Transfer Technologies
Introduction
Erwin Bretscher, an innovative inventor based in Rapperswil, Switzerland, has made significant contributions to the field of pattern transfer technologies. With a portfolio of two patents, Bretscher's work primarily focuses on methods that enhance the precision and uniformity of patterns used in electronic devices, emphasizing the importance of well-defined patterns in modern technology.
Latest Patents
Bretscher's latest patents highlight groundbreaking methods for transferring patterns into radiation-sensitive layers. One notable invention outlines a process that allows two partial patterns to be superimposed in a predetermined alignment, resulting in a desired final pattern. This intricate method involves projecting these partial patterns onto sensitive layers using suitable radiation, ensuring that overlapping elements combine to create the desired outcome. This technique is particularly beneficial in applications where hole masks are utilized, especially when dealing with complex patterns containing annular elements.
The second patent pertains to a system designed to improve the uniformity of patterns generated for large-scale integrated (LSI) circuits through an electron beam lithography system. By employing a backscatter indicator signal, this innovation adjusts the control signal for the beam stepping rate, thereby countering non-uniformities that arise due to variations in backscattered electrons. The invention includes range-setting circuitry that calibrates the backscatter detector during an initial scan, ensuring consistent quality during subsequent wafer exposures.
Career Highlights
Currently, Erwin Bretscher is affiliated with the International Business Machines Corporation (IBM), where he continues to push the boundaries of technology. His role at IBM has allowed him to work at the intersection of engineering and innovation, leading to advancements that impact various aspects of electronic manufacturing.
Collaborations
Throughout his career, Bretscher has collaborated with notable colleagues such as Peter Vettiger and Harald Bohlen. These partnerships have fostered a dynamic environment for research and development, further enhancing the technical capabilities and innovative output of their collective projects.
Conclusion
Erwin Bretscher's inventive spirit and dedication to improving pattern transfer methodologies demonstrate the vital role inventors play in advancing technology. His patents not only showcase his expertise but also contribute significantly to the ongoing evolution of electronic design and fabrication processes. As technology continues to advance, the impact of Bretscher's work is expected to resonate within the industry for years to come.