This inventor holds 2 USPTO granted patents. Top assignee: Semiconductor Energy Laboratory Co., Ltd.. Active years: 2001-2004.
Company Filing History:
Years Active: 2001-2004
Title: Masamitsu Hiroki: Innovator in Semiconductor Technology
Introduction
Masamitsu Hiroki is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding 2 patents that showcase his innovative approaches to manufacturing semiconductor devices.
Latest Patents
Hiroki's latest patents include a method of manufacturing an active matrix type device. This invention involves an amorphous semiconductor film comprising silicon, which is enhanced with a metal element that promotes crystallization. The semiconductor film is then crystallized at a relatively low temperature. After introducing impurity ions into the source and drain regions, these regions are recrystallized through heating. This process ensures that the channel region, which has crystallinity, functions as crystalline nuclei, effectively avoiding defects at the boundaries between the channel and source/drain regions.
Another notable patent is a method for manufacturing thin-film transistors. This method includes introducing a material that promotes crystallization of an amorphous semiconductor film, followed by crystallizing the film to form a crystalline semiconductor. The process also involves introducing phosphorus to create a source region, a drain region, and a channel region defined between light doped regions. The crystalline semiconductor film is then heated to allow the material to diffuse from the channel region to the source and drain regions.
Career Highlights
Masamitsu Hiroki is associated with Semiconductor Energy Laboratory Co., Ltd., where he continues to push the boundaries of semiconductor technology. His work has been instrumental in advancing the manufacturing processes of semiconductor devices, contributing to the efficiency and effectiveness of modern electronics.
Collaborations
Hiroki has collaborated with notable colleagues in the field, including Mutsuo Yamamoto and Satoshi Teramoto. Their combined expertise has fostered innovation and development within the semiconductor industry.
Conclusion
Masamitsu Hiroki's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of advanced semiconductor devices, paving the way for future innovations.