This inventor holds 6 USPTO granted patents. Top assignees: Delco Electronics Corporation, Gm Global Technolgoy Operations, Inc.. Active years: 1977-1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
5 out of 788 
1 out of 31,934 
Years Active: 1977-1999
Title: Frank D Lachenmaier: Innovator in Transistor Technology
Introduction
Frank D Lachenmaier is a notable inventor based in Kokomo, IN (US). He has made significant contributions to the field of electronics, particularly in the development of high power transistor modules. With a total of 6 patents to his name, Lachenmaier's work has had a lasting impact on the industry.
Latest Patents
Lachenmaier's latest patents include innovative designs for durable substrate subassemblies for transistor switch modules. One of his patents describes a durable substrate subassembly that enhances the reliability of high power transistor switching modules. This design replaces traditional wire bonds with a soldered metal/ceramic composite conductor, which has a coefficient of thermal expansion closely matching that of the semiconductor device. The metal component is typically a strip of copper foil, while the ceramic portion consists of a layer of alumina that aligns with the semiconductor device electrodes. Another patent focuses on a substrate subassembly that contains a single switching transistor and features integral short terminal lead tabs. This design allows for pretesting at significant operating currents, enhancing the characterization and matching of mounted switching transistors.
Career Highlights
Throughout his career, Lachenmaier has worked with prominent companies such as Delco Electronics Corporation and GM Global Technology Operations LLC. His experience in these organizations has contributed to his expertise in electronic innovations.
Collaborations
Lachenmaier has collaborated with notable colleagues, including Charles T Eytcheson and John D Tagle. Their combined efforts have further advanced the field of transistor technology.
Conclusion
Frank D Lachenmaier's contributions to the field of electronics, particularly in high power transistor modules, demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to enhancing the reliability and performance of electronic components.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile