Harland G Tompkins

Title: Harland G Tompkins: Innovator in Semiconductor Technology

Introduction

Harland G Tompkins is a notable inventor based in Chandler, AZ (US), recognized for his contributions to semiconductor technology. With a total of 3 patents, he has made significant advancements in the field, particularly in the development of innovative methods and devices.

Latest Patents

One of his latest patents is titled "Semiconductor device and method of making the same." This invention involves the formation of an alignment mark on the surface of a silicon carbide substrate. The alignment mark is designed to reflect a light signal, which helps determine the proper position for the silicon carbide substrate. The materials used to create the alignment mark can also be applied to any transparent or semi-transparent substrate, ensuring they maintain physical integrity through high-temperature processing steps.

Another significant patent is the "Technique for etching oxides and/or insulators." This method focuses on etching a layer of electrical insulating material, including strontium titanate, on a semiconductor substrate. The strontium titanate layer is immersed in a passivated etching solution that includes an acid and HF. Focused light is directed onto specific areas of the layer to depassivate the surface and etch only the areas receiving collimated light. In a preferred embodiment, the etching solution contains HCl and less than 1000 ppm of HF.

Career Highlights

Harland G Tompkins has built a successful career at Motorola Corporation, where he has been instrumental in advancing semiconductor technologies. His work has not only contributed to the company's innovation but has also had a lasting impact on the industry.

Collaborations

Throughout his career, Tompkins has collaborated with notable colleagues, including David P Mancini and Douglas J Resnick. These partnerships have fostered a creative environment that has led to groundbreaking advancements in semiconductor technology.

Conclusion

Harland G Tompkins is a distinguished inventor whose work in semiconductor technology has resulted in valuable patents and innovations. His contributions continue to influence the field and inspire future advancements.