A J Crespin

Title: A J Crespin: Innovator in Wafer Technology from San Jose, CA

Introduction

A J Crespin is a notable inventor based in San Jose, California, recognized for his contributions to the field of semiconductor technology. With a total of two patents registered to his name, Crespin’s work showcases significant advancements in wafer processing techniques essential for modern Integrated Circuit (IC) manufacturing.

Latest Patents

Crespin's latest patents include innovative devices that address crucial challenges in wafer handling and lithographic processes. The first patent, titled "Wafer chuck apparatus with micro-channel regions," describes a sophisticated wafer chuck apparatus that features multiple micro-channel regions in its top surface. These channels are designed to allow pneumatic isolation and support the efficient chucking of warped wafers, thereby enhancing the precision necessary in semiconductor fabrication.

The second notable patent is "Scanning methods for focus control for lithographic processing of reconstituted wafers." This invention outlines a method for processing reconstituted wafers to support IC chips. The method ensures that the position and orientation of the reconstituted wafer are adjusted within the depth of focus during lithography, resulting in efficiently patterned photoresist layers vital for the accurate formation of IC features.

Career Highlights

Crosin is currently employed at Ultratech, Inc., a company known for its cutting-edge technologies in the semiconductor sector. His keen understanding of wafer technology has led to innovations that contribute significantly to both the performance and efficiency of lithographic tools used in the industry.

Collaborations

Throughout his career, A J Crespin has had the opportunity to collaborate with talented individuals in his field, including notable coworkers Raymond Ellis and Paul M Bischoff. These collaborative efforts have helped foster a creative environment that enhances innovation and drives advancements in semiconductor processing technologies.

Conclusion

With a strong focus on solving complex challenges in wafer processing, A J Crespin exemplifies the role of an inventor dedicated to enhancing semiconductor technology. His contributions not only underscore the importance of innovation in this niche but also serve as a testament to the dynamic spirit of invention present in San Jose’s technology landscape.