This inventor holds 3 USPTO granted patents. Top assignees: Siltronic Ag, Wacker Siltronic Gesellschaft Fur Halbleitermaterialien Ag, Wacker-Chemitronic Gesellschaft Fur Elektronik-Grundstoffe Mbh. Active years: 1994-2012.
Company Filing History:
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Years Active: 1994-2012
Title: The Innovations of Dieter Graef
Introduction
Dieter Graef is a notable inventor based in Burghausen, Germany. He has made significant contributions to the field of semiconductor technology, particularly in the development of silicon wafers. With a total of 3 patents to his name, Graef's work has had a lasting impact on the industry.
Latest Patents
One of Graef's latest patents is for an SOI wafer and method for producing it. This innovation involves constructing an SOI wafer from a carrier wafer and a monocrystalline silicon layer with a thickness of less than 500 nm. The process ensures that an excess of interstitial silicon atoms prevails throughout the silicon layer. Another significant patent is a process for producing silicon semiconductor wafers with low defect density. This method includes producing a silicon single crystal with a specific oxygen doping concentration and processing it to form silicon wafers that are then annealed to enhance their quality.
Career Highlights
Throughout his career, Dieter Graef has worked with prominent companies in the semiconductor industry. He has been associated with Siltronic AG and Wacker Siltronic Gesellschaft für Halbleitermaterialien AG. His experience in these organizations has contributed to his expertise in semiconductor technologies.
Collaborations
Dieter Graef has collaborated with several professionals in his field, including Reinhold Wahlich and Laszlo Fabry. These collaborations have likely enriched his work and led to further advancements in semiconductor technology.
Conclusion
Dieter Graef's contributions to the field of semiconductor technology through his patents and collaborations highlight his importance as an inventor. His innovations continue to influence the industry and pave the way for future advancements.