Company Filing History:
6 out of 30,052 
1 out of 357 
1 out of 14,738 
Years Active: 1990-2003
Title: The Innovations of Hans-Peter Zwicknagl
Introduction
Hans-Peter Zwicknagl is a notable inventor based in Stuttgart, Germany. He has made significant contributions to the field of power transistors, holding a total of 8 patents. His work has advanced the technology used in high-power applications, particularly in the microwave range.
Latest Patents
One of his latest patents is for a power transistor cell that includes an air bridge and multiple individual transistors. Each transistor has separate connection contacts that are thermally conductively connected through the air bridge, forming connections that define a contact plane. This innovative design allows for effective heat dissipation from the individual transistors. Another significant patent is for a bipolar transistor designed for high power in the microwave range. This transistor features a plurality of small emitter-base complexes arranged in an array, which are electrically insulated from the surrounding semiconductor material. The design includes joint subcollector layers and collector metallization, enhancing the efficiency of current supply.
Career Highlights
Throughout his career, Hans-Peter Zwicknagl has worked with prominent companies, including Siemens Aktiengesellschaft. His experience in these organizations has contributed to his expertise in semiconductor technology and power transistors.
Collaborations
He has collaborated with notable colleagues such as Helmut Horst Tews and Joachim Hoepfner, further enriching his professional journey and contributions to the field.
Conclusion
Hans-Peter Zwicknagl's innovations in power transistor technology have made a lasting impact on the industry. His patents reflect a deep understanding of thermal management and electrical efficiency, positioning him as a key figure in the advancement of semiconductor technology.