Company Filing History:
Years Active: 1999-2002
Title: Innovations of Donald E. Yansen
Introduction
Donald E. Yansen is a notable inventor based in Lexington, MA, who has made significant contributions to the field of thin-film magnetic recording technology. With a total of two patents to his name, Yansen's work focuses on enhancing the performance and efficiency of recording heads used in data storage systems.
Latest Patents
Yansen's latest patents include a "Focused ion beam apparatus for forming thin-film magnetic recording heads." This invention relates to a multi-layer lithographically fabricated device designed to produce improved thin-film recording heads. It involves a focused particle beam system that mills a recording head pole-tip assembly without damaging sensitive structures, such as the read head. By utilizing a first marker element in the same layer as the first structural element, the system can accurately determine the relative locations of the elements without causing harm. This innovation allows for the production of a desired pole-tip configuration, resulting in recording heads capable of higher storage density than previous techniques. Another patent focuses on "Thin-film magnetic recording heads and systems and methods for manufacturing the same," which describes a focused particle beam system that employs a pattern recognition element to analyze and shape the pole-tip assembly of a recording head.
Career Highlights
Yansen is associated with Micrion Corporation, where he has contributed to advancements in the field of precision milling devices. His work has been instrumental in developing technologies that enhance the geometries of recording heads, thereby improving data storage capabilities.
Collaborations
Yansen has collaborated with notable colleagues, including Charles J. Libby and Gregory J. Athas, who have also contributed to the advancements in the technologies related to thin-film magnetic recording.
Conclusion
Donald E. Yansen's innovative work in the field of thin-film magnetic recording technology has led to significant advancements in data storage systems. His patents reflect a commitment to improving the efficiency and performance of recording heads, making a lasting impact on the industry.