This inventor holds 5 USPTO granted patents. Top assignee: Infineon Technologies Ag. Active years: 2017-2020.
Location History:
- Diesenhofen, DE (2017)
- Deisenhofen, DE (2017 - 2020)
Company Filing History:
Years Active: 2017-2020
Title: Innovations of Johannes Freund in Semiconductor Manufacturing
Introduction
Johannes Freund is a notable inventor based in Deisenhofen, Germany. He has made significant contributions to the field of semiconductor manufacturing, particularly in the production of Czochralski (CZ) silicon wafers. With a total of 5 patents to his name, Freund's work has advanced the technology used in the semiconductor industry.
Latest Patents
Freund's latest patents include a method of manufacturing CZ silicon wafers and a method of manufacturing a semiconductor device. One of the patents describes a method that involves slicing an n-type CZ silicon ingot to create multiple CZ silicon wafers. The process includes determining the boron concentration of each wafer and categorizing them into sub-groups based on this concentration. Each sub-group is then labeled accordingly, indicating the boron concentration. Another patent outlines a method where parameters of at least two CZ silicon wafers are measured. This method determines a group of wafers that meet a target specification and divides them into sub-groups based on the measured parameters, ensuring that the tolerances are smaller than those of the target specification.
Career Highlights
Johannes Freund is currently employed at Infineon Technologies AG, a leading company in the semiconductor industry. His work at Infineon has allowed him to apply his innovative methods in a practical setting, contributing to the company's advancements in semiconductor technology.
Collaborations
Freund has collaborated with notable colleagues such as Helmut Oefner and Hans-Joachim Schulze. These collaborations have further enriched his work and have led to significant advancements in the field.
Conclusion
Johannes Freund's contributions to semiconductor manufacturing through his innovative patents have made a lasting impact on the industry. His work continues to influence the production of high-quality silicon wafers, showcasing the importance of innovation in technology.