Company Filing History:
Years Active: 2003-2004
Title: The Innovations of Stefan Gullstrand
Introduction
Stefan Gullstrand is a notable inventor based in Danderyd, Sweden. He has made significant contributions to the field of microlithography, particularly in the development of systems and methods for high-precision printing on photosensitive substrates. With a total of 2 patents to his name, Gullstrand's work has had a profound impact on semiconductor device patterns and display technologies.
Latest Patents
Gullstrand's latest patents include innovative technologies that enhance the precision of microlithographic writing. One of his patents focuses on "Beam positioning in microlithography writing," which addresses the challenges of printing and inspecting patterns with extreme accuracy. This invention specifically compensates for substrate offset by modifying position data and utilizes a direct digital synthesis (DDS) unit for generating sweep frequency drive signals. Another significant patent is the "Laser writer," which provides a method for detecting temporary writing errors during the microlithographic process. This system allows for the interruption of writing when errors are detected, ensuring that the writing process can be resumed accurately once the error condition is resolved.
Career Highlights
Stefan Gullstrand is associated with Micronic Laser Systems AB, a company known for its advancements in laser technology and microlithography. His work at the company has positioned him as a key player in the development of innovative solutions for the semiconductor industry.
Collaborations
Gullstrand has collaborated with notable colleagues such as Leif Odselius and Torbjörn Sandström. These partnerships have contributed to the advancement of technologies in the field of microlithography.
Conclusion
Stefan Gullstrand's contributions to microlithography through his patents and work at Micronic Laser Systems AB highlight his role as an influential inventor in the field. His innovations continue to shape the future of high-precision printing technologies.