Johannes G Van Gessel

Title: Innovations by Johannes G Van Gessel

Introduction

Johannes G Van Gessel is a notable inventor based in Nijmegen, Netherlands. He has made significant contributions to the field of integrated circuits, particularly in the detection of visible defects on semiconductor wafers. His innovative approach has implications for improving manufacturing processes in the electronics industry.

Latest Patents

Johannes G Van Gessel holds a patent for a method of manufacturing integrated circuits. This patent focuses on detecting visible defects on a process semiconductor wafer. The method involves classifying defects according to their appearance and maintaining an association between these classes and the apparatuses used. When the density of defects in a specific class exceeds a control limit, the associated apparatus is switched off-line. The process includes repeated inspections of the same wafer after different processing steps, with information about the location of detected defects being recorded. Defects that occur at locations previously identified in earlier inspections are excluded from the density comparison against the control limit.

Career Highlights

Johannes G Van Gessel is associated with U.S. Phillips Corporation, where he has contributed to advancements in semiconductor technology. His work has been instrumental in enhancing the reliability and efficiency of integrated circuit manufacturing.

Collaborations

Some of his notable coworkers include Venkat R Nagaswami and Dries A Van Wezep, who have collaborated with him on various projects related to semiconductor technology.

Conclusion

Johannes G Van Gessel's innovative methods in the manufacturing of integrated circuits demonstrate his significant impact on the field. His patent reflects a commitment to improving quality control in semiconductor production, showcasing the importance of innovation in technology.