Location History:
- Niles, IL (US) (1981 - 2001)
- Nlles, IL (US) (2001)
Company Filing History:
13 out of 49 
7 out of 151 
1 out of 1 Years Active: 1981-2001
Title: Joseph V Cesna: Innovator in Surface Treatment Technologies
Introduction
Joseph V Cesna, based in Niles, IL, has made significant contributions to the field of surface treatment technologies through his 21 patents. His inventive work has introduced advanced methodologies and apparatuses that are essential in the polishing and planarizing of workpieces, particularly in the semiconductor industry.
Latest Patents
Among his notable patents is the innovative "Methods and apparatus for improved polishing of workpieces." This apparatus includes a polishing pad designed with a unique array of self-cleaning and anti-tracking grooves. These features guide slurry and polishing debris effectively across the pad's surface, minimizing localized wear zones. Notably, the grooves display a concentric pattern and are crafted with a compound shape, integrating both vertical and sloped surfaces for optimal functionality.
Another recent patent is the "Apparatus and method for the face-up surface treatment of wafers." This invention features an indexing table capable of holding multiple semiconductor wafers. Each position on the table accommodates different surface treatment arrangements, allowing for a synchronized loading and unloading process. The progress of each wafer's surface treatment can be monitored, with options to modify subsequent steps to achieve the desired substrate condition.
Career Highlights
Joseph V Cesna's career includes significant tenures at reputable firms such as Speedfam Corporation and Speedfam-IPEC Corporation. His work at these companies has been pivotal in advancing polishing and surface treatment solutions, reflecting his commitment to innovation and quality in the industry.
Collaborations
Throughout his career, Joseph has collaborated with prominent colleagues including Inki Kim and Lawrence O. Day. These partnerships have fostered a collaborative environment that enhances the development of cutting-edge technologies in surface treatment.
Conclusion
Joseph V Cesna stands out as a prominent inventor in the realm of surface treatment technologies. His innovative patents and collaborations have not only advanced industry standards but also paved the way for future innovations in the field. With a fruitful career dedicated to improving workpiece polishing methods and apparatuses, Cesna's contributions will continue to impact both existing and emerging technological landscapes.