Elizabeth Thomas

Title: Innovations by Elizabeth Thomas in Semiconductor Technology

Introduction

Elizabeth Thomas is an accomplished inventor based in Southington, OH (US). She has made significant contributions to the field of semiconductor technology, particularly through her innovative work on spinel wafers. Her expertise and dedication have led to the development of a patented method that enhances the quality and performance of semiconductor materials.

Latest Patents

Elizabeth Thomas holds a patent for "Spinel wafers and methods of preparation." This invention focuses on creating wafers suitable for semiconductor deposition applications. The patented process allows for the fabrication of wafers with low bow, warp, total thickness variation, taper, and total indicated reading properties. The method involves cutting a boule to produce rough-cut wafers, lapping them, etching to remove defects and relieve residual stress, and finally chemically mechanically polishing the wafers to achieve desired finish properties. The etching process can be performed using a heated solution of sulfuric acid or a mixture of sulfuric and phosphoric acids. Additionally, a low pH slurry used in the polishing process can include α-Al2O3 and an organic phosphate.

Career Highlights

Elizabeth is currently employed at Saint-Gobain Ceramics & Plastics, Inc., where she continues to innovate and contribute to advancements in materials science. Her work has not only enhanced the performance of semiconductor wafers but has also positioned her as a key player in her field.

Collaborations

Throughout her career, Elizabeth has collaborated with notable colleagues, including Brahmanandam V Tanikella and Frank L Csillag. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Elizabeth Thomas is a pioneering inventor whose work in semiconductor technology has led to significant advancements in the field. Her patented methods for spinel wafers demonstrate her commitment to innovation and excellence in materials science.