This inventor holds 3 USPTO granted patents. Top assignee: Sumco Corporation. Active years: 2020-2021.
Location History:
- Tokyo, JP (2020)
- Saga, JP (2020 - 2021)
Company Filing History:
Years Active: 2020-2021
Title: Ayumi Masada: Innovator in Silicon Technology
Introduction
Ayumi Masada is a prominent inventor based in Saga, Japan. She has made significant contributions to the field of silicon technology, particularly in the measurement and manufacturing processes of silicon materials. With a total of 3 patents to her name, her work has implications for various applications in the semiconductor industry.
Latest Patents
Masada's latest patents include innovative methods that enhance the quality and efficiency of silicon products. One of her notable inventions is a method of measuring carbon concentration in silicon samples. This method involves introducing hydrogen atoms into the silicon sample and evaluating the trap levels in the silicon band gap without electron beam irradiation treatment. The carbon concentration is determined based on specific evaluation results, ensuring that it remains below 1.0E+16 atoms/cm.
Another significant patent is related to the manufacturing of epitaxial silicon wafers. This invention aims to reduce metal contamination by improving the gettering capability of the wafers. The method includes a silicon wafer with a first silicon epitaxial layer and a modifying layer where carbon is implanted. The oxygen concentration profile is carefully controlled to enhance the quality of the final product.
Career Highlights
Ayumi Masada is currently employed at Sumco Corporation, a leading company in the silicon wafer manufacturing industry. Her role involves research and development, focusing on innovative solutions that address challenges in silicon technology. Her expertise and dedication have positioned her as a key player in her field.
Collaborations
Masada collaborates with talented colleagues, including Kazutaka Eriguchi and Shuichi Samata. Together, they work on advancing silicon technology and exploring new avenues for innovation.
Conclusion
Ayumi Masada's contributions to silicon technology through her patents and collaborative efforts highlight her role as a leading inventor in the industry. Her work continues to influence advancements in semiconductor manufacturing and measurement techniques.