Company Filing History:
Years Active: 2012-2023
Title: Yohei Igarashi: Innovator in Semiconductor Technology
Introduction
Yohei Igarashi is a prominent inventor based in Nagano, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work focuses on innovative semiconductor devices and manufacturing methods that enhance performance and efficiency.
Latest Patents
Igarashi's latest patents include a groundbreaking semiconductor device. This device features a first semiconductor element with a first connection terminal on its lower surface. A second semiconductor element is mounted on the lower surface of the first element, partially overlapping it. The device also includes a second connection terminal and a wiring substrate with connection pads that are electrically connected to the terminals. Notably, one of the connection terminals is a metal post, while the other is a solder ball.
Another significant patent is a method of manufacturing a semiconductor chip. This method involves forming a masking member with an opening aligned with a chip mounting region on a wiring substrate. It includes steps for applying uncured sealing resin, removing support films, and flip-chip mounting a semiconductor chip. The process is designed to optimize the temperature conditions during manufacturing.
Career Highlights
Yohei Igarashi is currently employed at Shinko Electric Industries Co., Ltd. His work at this esteemed company has allowed him to develop and patent innovative technologies that contribute to advancements in the semiconductor industry.
Collaborations
Igarashi collaborates with notable colleagues, including Yasushi Araki and Kiyoshi Oi. Their combined expertise fosters a creative environment that drives innovation in semiconductor technology.
Conclusion
Yohei Igarashi'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 advancements in semiconductor devices and manufacturing methods.