Company Filing History:
Years Active: 2016-2020
Title: The Innovations of Toshihiro Iizuka
Introduction
Toshihiro Iizuka is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of three-dimensional memory devices. With a total of 4 patents to his name, Iizuka's work has had a notable impact on enhancing charge carrier mobility in semiconductor channels.
Latest Patents
One of Iizuka's latest patents is focused on a three-dimensional memory device that incorporates stressed vertical semiconductor channels. This innovative design aims to enhance charge carrier mobility by inducing vertical tensile stress in the semiconductor channels. The vertical tensile stress can be achieved through various methods, including the application of laterally compressive stress via stressor pillar structures. These structures may utilize materials such as dielectric metal oxides, silicon nitride, or thermal silicon oxide. Additionally, the patent discusses techniques for generating vertical tensile stress through electrically conductive layers or stress memorization techniques. The use of a layer stack comprising polysilicon and silicon-germanium alloy further contributes to the effectiveness of the vertical semiconductor channel.
Career Highlights
Iizuka is currently employed at Sandisk Technologies Inc., where he continues to push the boundaries of semiconductor innovation. His work has been instrumental in advancing memory device technology, making significant strides in the efficiency and performance of these devices.
Collaborations
Throughout his career, Iizuka has collaborated with notable colleagues, including Akio Nishida and Rahul Sharangpani. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Toshihiro Iizuka's contributions to the field of semiconductor technology are noteworthy and impactful. His innovative patents and collaborations highlight his commitment to advancing memory device technology. Iizuka's work continues to influence the industry and pave the way for future innovations.