Company Filing History:
3 out of 12 
2 out of 4,804 
1 out of 1 Years Active: 2007-2012
Title: The Innovative Contributions of Harald Wanka
Introduction
Harald Wanka is a notable inventor based in Blaustein, Germany. He has made significant contributions to the field of semiconductor technology, particularly in the area of solar energy. With a total of 4 patents to his name, Wanka's work has had a considerable impact on the efficiency and cost-effectiveness of solar energy production.
Latest Patents
One of Wanka's latest patents is a method for the removal of doped surface layers on the back faces of crystalline silicon solar wafers. This invention addresses the need for a cost-effective and gentle method to remove doped surface layers from the rear sides of solar wafers without modifying the front side. The process involves directing an etching gas onto the rear side surface of silicon solar wafers using plasma atmospheric pressure. Another significant patent is a doping mixture for coating semiconductor substrates. This mixture includes at least one p- or n-dopant, water, and a combination of surfactants, with at least one being nonionic. The invention also outlines a method for producing this doping mixture and its applications.
Career Highlights
Throughout his career, Wanka has worked with prominent companies in the photovoltaic sector. He has been associated with Centrotherm Photovoltaics AG and the Fraunhofer Society for the Advancement of Applied Research. His work in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.
Collaborations
Wanka has collaborated with several notable professionals in his field, including Johann Georg Reichart and Hans-Peter Volkelk. These collaborations have contributed to the advancement of technology in the solar energy sector.
Conclusion
Harald Wanka's contributions to the field of semiconductor technology and solar energy are noteworthy. His innovative patents and collaborations have significantly advanced the efficiency of solar energy production. His work continues to inspire future innovations in the industry.
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