Aloysius T Pfeiffer

Title: Innovations by Aloysius T Pfeiffer

Introduction

Aloysius T Pfeiffer is a notable inventor based in Peekskill, NY (US). He has made significant contributions to the field of circuit fabrication, holding a total of 4 patents. His work focuses on improving the methods of applying photoresist in electronic manufacturing processes.

Latest Patents

Pfeiffer's latest patents include innovative methods for fine-line circuit fabrication and variable pre-spin drying time control of photoresists. The first patent discloses a method for producing thick and smooth layers of photoresist, ranging from 2 to 15 microns thick. This method involves flooding the substrate with resist and allowing a drying time before spinning, which enhances the aspect ratio of the circuitry. The second patent details a technique where resist is applied to a surface using a syringe equipped with a millipore filter. This method allows for a uniform film by permitting the resist to remain on the surface prior to spin coating.

Career Highlights

Aloysius T Pfeiffer is associated with the International Business Machines Corporation (IBM), where he has contributed to advancements in circuit fabrication technologies. His innovative approaches have paved the way for more efficient manufacturing processes in the electronics industry.

Collaborations

Throughout his career, Pfeiffer has collaborated with notable coworkers such as Lubomyr Taras Romankiw and Eugene E Castellani. These collaborations have further enriched his work and contributed to the development of new technologies.

Conclusion

Aloysius T Pfeiffer's contributions to the field of circuit fabrication through his patents and work at IBM highlight his role as an influential inventor. His innovative methods continue to impact the electronics industry positively.