Robert T McSweeney

Title: The Innovative Contributions of Robert T. McSweeney

Introduction

Robert T. McSweeney is a notable inventor based in Wakefield, MA (US), recognized for his significant contributions to the field of phosphor technology. With a total of 7 patents to his name, McSweeney has developed innovative methods that enhance the performance and stability of phosphors used in various applications.

Latest Patents

One of McSweeney's latest patents is a method of making haloapatite phosphors. This method involves formulating a blend of ingredients, including CaHPO as a primary source of calcium and phosphorus. The process includes partially substituting an equimolar combination of an ammonium phosphate compound and calcium carbonate for an equal number of moles of CaHPO. The blend is then fired to create the haloapatite phosphor, which has been shown to increase the 100-hour brightness of the phosphors. Another significant patent is for a europium-activated barium magnesium aluminate phosphor. This phosphor is doped with tetravalent ions of Hf, Zr, or Si, enhancing its stability in UV/VUV applications.

Career Highlights

Throughout his career, McSweeney has worked with prominent companies such as Osram Sylvania Inc. and GTE Products Corporation. His work in these organizations has contributed to advancements in lighting and phosphor technologies.

Collaborations

McSweeney has collaborated with notable coworkers, including Karlene Zuk and Madis Raukas, further enriching his innovative endeavors.

Conclusion

Robert T. McSweeney's contributions to phosphor technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovative methods continue to influence advancements in lighting applications.