Company Filing History:
3 out of 832,891 Years Active: 2001-2002
Title: Inventor Andreas Ehlert: Pioneering Advances in Semiconductor Technology
Introduction
Andreas Ehlert, located in Mehring, Germany, is a notable inventor with a focus on semiconductor technology. With three patents to his name, Ehlert's contributions significantly enhance the processes involved in semiconductor manufacturing.
Latest Patents
Ehlert's most recent patent is titled "Process for producing a semiconductor wafer." This innovative process involves two-sided polishing of semiconductor wafers, ensuring a hydrophobic surface through treatment with an aqueous HF solution. The simultaneous polishing of both the front and back surfaces utilizes a unique alkaline polishing abrasive, maintaining a pH between 8.5 and 12.5. Key steps in this process include applying a stopping agent once the desired polishing abrasion is achieved and efficiently removing the semiconductor wafer from the polishing stations.
Another significant patent by Ehlert is focused on the "Method and device for nondestructive detection of crystal defects." This invention is crucial for the nondestructive detection and characterization of crystal defects in monocrystalline semiconductor materials. By harnessing techniques like photoluminescence heterodyne spectroscopy and photothermal heterodyne spectroscopy, Ehlert’s method facilitates precise identification of defects without damaging the materials.
Career Highlights
Throughout his career, Ehlert has consistently advanced the field of semiconductor fabrication. His innovative methodologies aim at improving the yield and quality of semiconductor products, making him a key figure in this technology sector. The successful development and patenting of his processes have positioned him as an influential inventor in the field.
Collaborations
Andreas Ehlert works alongside esteemed colleagues such as Laszlo Fabry and Gabriele Lechner. Their collaborative efforts demonstrate a commitment to advancing semiconductor technology and ensuring high standards in production methods.
Conclusion
In summary, Andreas Ehlert's significant contributions to semiconductor processing through his patents illustrate his role as a leading inventor in this cutting-edge field. His advancements not only enhance manufacturing techniques but also pave the way for future innovations in semiconductor technology.