Company Filing History:
Years Active: 2005
Title: Alexander Pravdivtsev: Innovator in Semiconductor Technology
Introduction
Alexander Pravdivtsev is a notable inventor based in Mountain View, CA (US). He has made significant contributions to the field of semiconductor technology, particularly in the measurement of minority carrier diffusion length in solid-state materials. His innovative approach has implications for improving the quality and efficiency of semiconductor devices.
Latest Patents
Pravdivtsev holds a patent for the "Determination of minority carrier diffusion length in solid state materials." This patent describes an apparatus and method for determining the minority carrier diffusion length from the back side of the wafer within predetermined areas using a pattern recognition system. The SPV probe, in particular embodiments, includes transparent and non-transparent electrodes, allowing for the measurement of SPV in areas larger than the optical beam. This design enables accurate determination of diffusion length with a spatial resolution of less than 1 mm. The apparatus is capable of measuring diffusion length from areas under special conditions within the scribe line of patterned wafers. This method provides a means to control metal contamination in products, including patterned wafers, by allowing for measurements within scribe lines and full wafer mapping.
Career Highlights
Pravdivtsev is currently employed at Ahbee 2, L.P., where he continues to develop innovative solutions in semiconductor technology. His work has been instrumental in advancing the understanding and measurement of diffusion lengths, which are critical for the performance of semiconductor devices.
Collaborations
Pravdivtsev collaborates with Phuc Van, contributing to the development of advanced technologies in their field. Their partnership exemplifies the importance of teamwork in driving innovation.
Conclusion
Alexander Pravdivtsev is a key figure in the semiconductor industry, with a focus on enhancing measurement techniques for minority carrier diffusion length. His contributions are vital for the advancement of semiconductor technology and its applications.