Location History:
- Solvang, CA (US) (2014 - 2017)
- Tucson, AZ (US) (2016 - 2019)
Company Filing History:
8 out of 50 
7 out of 600 
Years Active: 2014-2019
Title: Sierra Hoff: Innovator in Group III Nitride Crystal Growth
Introduction
Sierra Hoff is a prominent inventor based in Solvang, CA (US), known for her significant contributions to the field of materials science. With a total of 8 patents to her name, she has made remarkable advancements in the growth of group III nitride crystals, which are essential for various electronic and optoelectronic applications.
Latest Patents
Hoff's latest patents include innovative methods for growing group III nitride crystals. One of her notable inventions is a method of growing an ingot of group III nitride. This method utilizes the ammonothermal technique to grow crystals such as GaN on both sides of a seed, allowing for the formation of an ingot that can be sliced into wafers. The wafers are designed with specific thicknesses to prevent breakage, ensuring that the first-generation seed can be reused for subsequent growth. Another significant patent involves the production of group III nitride wafers, which are chemically etched to create a visually distinguishable surface. This process enhances the usability of the wafers in various applications.
Career Highlights
Throughout her career, Sierra Hoff has worked with notable companies such as Sixpoint Materials, Inc. and Seoul Semiconductor Co., Ltd. Her work in these organizations has contributed to the advancement of technologies related to group III nitride materials.
Collaborations
Hoff has collaborated with esteemed colleagues, including Tadao Hashimoto and Edward Letts, further enriching her research and development efforts in the field.
Conclusion
Sierra Hoff's innovative work in the growth of group III nitride crystals has positioned her as a leading figure in materials science. Her patents reflect her commitment to advancing technology and her contributions to the industry will have lasting impacts.