Company Filing History:
Years Active: 2004-2016
Title: The Innovative Contributions of Stephen Ruatta
Introduction
Stephen Ruatta is a notable inventor based in South Pasadena, California, with a remarkable portfolio of seven patents. His work primarily focuses on advancements in semiconductor technology and laser sintering methods, showcasing his commitment to innovation in these fields.
Latest Patents
One of Ruatta's latest patents is for a "Wafer back side coating as dicing tape adhesive." This invention involves a semiconductor assembly that includes a semiconductor wafer, an adhesive coating on the back side, and a bare dicing tape that is preferably UV radiation transparent. The method for preparing this assembly includes several steps, such as providing a semiconductor wafer, applying the adhesive coating, partially curing it, and then contacting the dicing tape to the tacky coating.
Another significant patent is related to "Controlled densification of fusible powders in laser sintering." This invention describes a method for producing parts using laser sintering, where a fusible powder is subjected to multiple laser scans at controlled energy levels. This process allows for improved strength, with enhancements of up to 100% compared to previous methods. The technique involves an initial high-energy scan followed by lower energy scans, which helps control the fusion of powder particles and improves the final dimensions and mechanical properties of the parts produced.
Career Highlights
Throughout his career, Stephen Ruatta has worked with prominent companies such as 3D Systems, Inc. and Henkel IP & Holding GmbH. His experience in these organizations has contributed significantly to his expertise and innovative capabilities in the field of technology.
Collaborations
Ruatta has collaborated with notable professionals in his field, including John S. Stockwell and Kenneth J. Newell. These collaborations have likely enriched his work and contributed to the development of his innovative patents.
Conclusion
Stephen Ruatta's contributions to the fields of semiconductor technology and laser sintering are noteworthy. His innovative patents reflect his dedication to advancing technology and improving manufacturing processes. His work continues to influence the industry and inspire future innovations.