Steve Castaldi

Title: Steve Castaldi: Innovator in Ultrasonics and Microetching Solutions

Introduction

Steve Castaldi is a notable inventor based in Torrington, CT (US). He has made significant contributions to the field of printed circuit board fabrication and surface treatment technologies. With a total of 2 patents, his work focuses on enhancing manufacturing processes through innovative methods.

Latest Patents

One of Steve's latest patents is a method of using ultrasonics to plate silver. This method aims to reduce solder mask interface attack during the fabrication of printed circuit boards. The process involves treating a printed circuit board with an immersion plating solution, utilizing ultrasonics at a frequency of about 40 kHz throughout the plating duration to achieve beneficial results. Another significant patent is related to an improved microetching solution. This invention provides a method for roughening a metal surface, thereby increasing the adhesion strength of a metal layer to a subsequently applied layer. The microetching composition consists of an aqueous solution that includes a cupric ion source, a pyridine derivative, multiethyleneamine, and an acid, with a preferred embodiment also incorporating a source of halide ions.

Career Highlights

Steve has worked with reputable companies, including Macdermid, Incorporated. His experience in these organizations has allowed him to refine his skills and contribute to advancements in his field.

Collaborations

Throughout his career, Steve has collaborated with talented individuals such as Kesheng Feng and Nilesh Kapadia. These partnerships have fostered innovation and the development of new technologies.

Conclusion

Steve Castaldi's contributions to the fields of ultrasonics and microetching solutions highlight his role as an influential inventor. His patents reflect a commitment to improving manufacturing processes and enhancing product quality.