Company Filing History:
Years Active: 1998-2003
Title: Innovations of John H Tangren
Introduction
John H Tangren is a notable inventor based in Saint Paul, MN (US), recognized for his contributions to the field of disk drive technology. With a total of 10 patents to his name, Tangren has made significant advancements that enhance the performance and reliability of integrated lead disk drive head suspensions.
Latest Patents
One of Tangren's latest patents is focused on heat dissipation structures for integrated lead disk drive head suspensions. This invention includes a head suspension or head suspension component that features a spring metal support layer, an insulating layer, and a conductive layer. The innovative design incorporates three-dimensional heat dissipation structures that effectively dissipate heat from the head suspension, particularly in areas adjacent to integrated circuits. The heat dissipation structures may consist of multiple heat fins formed into or onto conductive traces, utilizing a partial etching technique that allows for simultaneous etching of both traces and heat fins, thereby reducing production costs and enhancing reliability.
Another significant patent by Tangren addresses mass balancing for optimizing suspension resonance performance. This invention involves a disk drive suspension where resonance characteristics can be adjusted through the use of mass balancing structures. These structures are designed for permanent displacement or removal to modify the mass distribution of the load beam, allowing for precise adjustments to the resonance characteristics. The method of adjustment includes identifying an adjust location on the load beam that is sensitive to mass changes, ensuring optimal performance.
Career Highlights
Tangren's career is marked by his role at Hutchinson Technology Corporation, where he has been instrumental in developing innovative solutions for disk drive technology. His work has not only contributed to the company's success but has also advanced the industry as a whole.
Collaborations
Throughout his career, Tangren has collaborated with talented individuals such as Catherine A Morley and Todd A Krinke. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
John H Tangren's contributions to disk drive technology through his innovative patents have significantly impacted the industry. His work continues to inspire advancements in the field, showcasing the importance of innovation in technology.