Howard J Dawson

Title: Howard J Dawson: Innovator in Polycrystalline Silicon Technology

Introduction

Howard J Dawson is a notable inventor based in Washougal, WA (US). He has made significant contributions to the field of materials science, particularly in the development of polycrystalline silicon. His innovative work has led to advancements that are crucial for various applications in the semiconductor industry.

Latest Patents

Dawson holds a patent for a unique polycrystalline silicon rod. This invention is capable of yielding long lifetime single-crystal silicon with specific resistivity and lifetime characteristics. The patent describes a polycrystalline silicon rod that can provide, within no more than two floating zoning passes, unicrystalline silicon exhibiting a resistivity of at least 10,000 ohm-cm (donor) and a lifetime of at least about 10,000 milliseconds. Additionally, it exhibits a copper X-ray diffraction pattern with a peak at 26.85 degrees ± 0.25 degrees (2 theta) and contains less than 15 parts per trillion (ppta) boron and less than 20 ppta phosphorus.

Career Highlights

Dawson is associated with Union Carbide Chemicals and Plastics Company, Inc., where he has contributed to various projects and research initiatives. His work has been instrumental in enhancing the quality and performance of silicon materials used in electronic devices.

Collaborations

One of his notable collaborators is Robert N Flagella. Together, they have worked on projects that leverage their expertise in materials science and engineering.

Conclusion

Howard J Dawson's contributions to polycrystalline silicon technology exemplify the impact of innovative thinking in the materials science field. His patent and work at Union Carbide Chemicals and Plastics Company, Inc. highlight his role as a key inventor in advancing semiconductor technology.