This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: Telefonaktiebolaget Lm Ericsson (Publ). Active years: 2000-2003.
Company Filing History:
Years Active: 2000-2003
Title: Innovations of Stefan Nygren
Introduction
Stefan Nygren is a notable inventor based in Uppsala, Sweden. He has made significant contributions to the field of semiconductor technology, particularly in the manufacturing of bipolar transistors and capacitors for high-frequency applications. With a total of 3 patents, his work has had a considerable impact on the electronics industry.
Latest Patents
One of his latest patents focuses on methods of manufacturing bipolar transistors for use at radio frequencies. This invention describes a bipolar transistor of type NPN, which features an active region at the surface of the component, surrounded by thick field oxide areas. The active region is partially covered by an electrically isolating surface layer, preferably comprising a nitride layer. The base region is defined by a well-defined opening, lithographically produced in the isolating surface layer. This design allows for reduced base-collector and emitter-collector capacitance, resulting in improved high-frequency characteristics. Another significant patent involves the production of capacitors in integrated circuits, which includes a method for creating a capacitor with metallic conducting electrodes intended for high-frequency applications.
Career Highlights
Stefan Nygren has worked with prominent companies in the technology sector, including Telefonaktiebolaget LM Ericsson and Infineon Technologies AG. His experience in these organizations has contributed to his expertise in semiconductor manufacturing and innovation.
Collaborations
Throughout his career, Stefan has collaborated with notable colleagues, including Hans Erik Norstrom and Hans Norström. These partnerships have likely enhanced his research and development efforts in the field.
Conclusion
Stefan Nygren's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to shape advancements in high-frequency electronics.