Company Filing History:
Years Active: 1997-1999
Title: Bernd Passer: Innovator in Silicon Wafer Technology
Introduction
Bernd Passer is a notable inventor based in Burghausen, Germany. He has made significant contributions to the field of semiconductor materials, particularly in the treatment of silicon wafers. With a total of 2 patents, his work has advanced the technology used in the semiconductor industry.
Latest Patents
One of Bernd Passer's latest patents is a method for removing damaged crystal regions from silicon wafers. This innovative method involves pretreating the silicon wafers with an aqueous solution containing hydrogen fluoride. Following this, the wafers are etched in an aqueous solution that is exposed to ultrasound and contains alkali metal hydroxide, with temperatures ranging from 55°C to 95°C. Another significant patent is a process for treating disk-shaped workpieces with a liquid. This process takes place in a gas-tight chamber where workpieces stacked in a transport rack come into contact with the fed-in liquid. The liquid is then conducted away from the chamber, while noxious vapors or gases originating from the liquid are scrubbed out and removed in a dissolved condition.
Career Highlights
Bernd Passer is associated with Wacker Siltronic, a leading company in semiconductor materials. His work at Wacker Siltronic has positioned him as a key player in the development of advanced technologies for silicon wafer treatment.
Collaborations
Throughout his career, Bernd has collaborated with notable colleagues such as Rudolf Wengbauer and Ludwig Pichlmeier. These collaborations have further enhanced his contributions to the field.
Conclusion
In summary, Bernd Passer is a distinguished inventor whose work in silicon wafer technology has led to innovative solutions in the semiconductor industry. His patents reflect a commitment to advancing technology and improving processes within this critical field.