This inventor holds 3 USPTO granted patents. Top assignee: Shin-Etsu Handotai Co., Ltd.. Active years: 1992-1993.
Location History:
- Takehu, JP (1992 - 1993)
- Takefu, JP (1993)
Company Filing History:
Years Active: 1992-1993
Title: Akiho Maeda: Innovator in Silicon Crystal Production
Introduction
Akiho Maeda is a prominent inventor based in Takehu, Japan, known for his significant contributions to the field of silicon crystal production. With a total of 3 patents to his name, Maeda has developed innovative methods and apparatuses that enhance the efficiency and quality of silicon single crystal manufacturing.
Latest Patents
One of Maeda's latest patents is a method and apparatus for producing silicon single crystals. This method involves setting specific pulling conditions to ensure that a growing silicon single crystal, with a temperature exceeding 1150°C, is spaced upwardly from the surface of the silicon melt by more than 280 mm. This technique allows for stable and efficient production with a high yield, resulting in silicon single crystals that exhibit excellent oxide film dielectric breakdown strength.
Another notable patent is the conical portion growth control method and apparatus. This invention aims to improve the reproducibility of the shape of the conical portion of a single crystal rod. By utilizing a heater in the Czochralski method, the control method involves presetting target temperature patterns and measuring the diameter of the growing crystal. This process ensures that the temperature and diameter change rates are accurately maintained, leading to enhanced production quality.
Career Highlights
Akiho Maeda is currently employed at Shin-Etsu Handotai Co., Ltd., a leading company in the semiconductor industry. His work focuses on advancing the techniques used in silicon crystal production, contributing to the company's reputation for high-quality materials.
Collaborations
Throughout his career, Maeda has collaborated with notable colleagues, including Tetsuhiro Oda and Izumi Fusegawa, who is a talented woman in the field. These collaborations have fostered an environment of innovation and have led to the development of groundbreaking technologies in silicon crystal production.
Conclusion
Akiho Maeda's contributions to the field of silicon crystal production through his innovative patents and collaborative efforts highlight his importance as an inventor. His work continues to influence the semiconductor industry, paving the way for advancements in technology.