Company Filing History:
Years Active: 2000-2001
Title: Innovative Contributions of Gisela Lang in Semiconductor Technology
Introduction
Gisela Lang is a distinguished inventor based in Wuppertal, Germany, recognized for her significant contributions to semiconductor technology. With a total of three patents to her name, she has focused on advancing methods within the semiconductor industry, particularly at Siemens Aktiengesellschaft.
Latest Patents
One of Gisela's recent patents is titled "Process for producing a semiconductor device with a roughened semiconductor surface." This innovative process includes several sequential steps, such as producing a semiconductor body with an aluminum gallium arsenide (Al,Ga,As) layer and applying contact metallization made of a non-noble metallic material. The method further details the precleaning of the semiconductor surface, roughening the Al,Ga,As upper surface through etching with a specific mixture of hydrogen peroxide and hydrofluoric acid, and re-etching with a dilute mineral acid. Another notable patent involves a "Method of severing a semiconductor wafer," where a semiconductor wafer embedded with multiple optoelectronic structures is cut into individual chips using abrasive cutting. Protective measures for the chip surfaces and structured covering layers are key elements of this method.
Career Highlights
Gisela Lang's career is marked by her commitment to innovation in semiconductor processes. Working at Siemens Aktiengesellschaft, she has played an integral role in developing cutting-edge technologies that enhance the efficiency and performance of semiconductor devices. Her extensive research and applications embody the spirit of innovation and represent significant advancements in the semiconductor manufacturing sector.
Collaborations
Throughout her career, Gisela has collaborated with notable coworkers including Helmut Fischer and Reinhard Sedlmeier. These partnerships have fostered a creative environment that has driven the development of sophisticated technologies in the realm of semiconductor devices, further demonstrating the importance of teamwork in achieving groundbreaking results.
Conclusion
Gisela Lang's contributions to semiconductor technology through her patented inventions underscore her role as a leading figure in the field. Her innovative methods not only enhance the performance of semiconductor devices but also reflect a dedication to pushing the boundaries of technology. As the industry continues to evolve, Gisela's work stands as a testament to the impact of thoughtful innovation in shaping the future of electronics.