Location History:
- Waterbury, CT (US) (1988 - 1989)
- Torrington, CT (US) (1994 - 2013)
Company Filing History:
5 out of 135 
15 out of 832,718 Years Active: 1988-2013
Title: Innovations and Contributions of Steven A. Castaldi
Introduction
Steven A. Castaldi, based in Torrington, CT, is a prolific inventor with an impressive portfolio of 20 patents. His innovations primarily focus on enhancing the production and capabilities of multilayered printed circuit boards, exhibiting his significant contributions to the field of electronics.
Latest Patents
Among his latest inventions is a patent for an **Acid-resistance promoting composition**. This composition is designed to provide acid resistance to copper surfaces critical in the production of multilayered printed circuit boards. The formulation consists of an acid, an oxidizer, a five-membered heterocyclic compound, and a thiophosphate or phosphorous sulfide compound, with phosphorus pentasulfide being a preferred embodiment. This innovative composition is applied to a copper or copper alloy substrate, which is then bonded to a polymeric material, thus enhancing durability and performance.
Another noteworthy patent is his **Process for improving adhesion of polymeric materials to metal surfaces**. This process involves treating metal surfaces by first applying a specific acidic peroxide adhesion-promoting composition, followed by an aqueous acid post-dip composition to create a micro-roughened surface. This method is particularly effective for the metal surfaces used in printed circuit multilayer construction, leading to enhanced adhesion and reliability.
Career Highlights
Throughout his career, Steven has contributed to various organizations, most notably Macdermid, Incorporated. His extensive experience and innovative spirit have allowed him to continuously push the boundaries of technology in the field of circuitry and materials.
Collaborations
Steven has collaborated with esteemed professionals, including Kesheng Feng and Peter E. Kukanskis. These collaborations have fostered an environment of teamwork and innovation, resulting in significant advancements in the technologies related to his patents.
Conclusion
Steven A. Castaldi's contributions to the field of electronics, particularly through his patented inventions, exemplify the importance of innovation in advancing technology. His work not only enhances the production of printed circuit boards but also sets a foundation for future developments in the industry. With a consistent focus on improving material properties and adhesion processes, Steven continues to influence the landscape of electronics, marking him as a notable inventor in today's technological era.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.