Yohei Yamada

Title: Yohei Yamada: Innovator in Substrate Technology

Introduction

Yohei Yamada is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of substrate technology, holding a total of 3 patents. His work focuses on devices that enhance the efficiency and effectiveness of substrate handling.

Latest Patents

Yamada's latest patents include a substrate fixing device and an electrostatic chuck. The substrate fixing device features a base plate, an electrostatic adsorption member for holding substrates, and a first adhesive layer that bonds the electrostatic member to the base plate. This adhesive layer is designed to maintain a storage modulus between 0.01 MPa and 25 MPa across a temperature range of −110° C. to 250° C. The electrostatic chuck patent describes a device that includes a base plate, a ceramic plate with an embedded electrode, and a resin layer that bonds the two components. Notably, one of the adhesives used in this device has a temperature corresponding to an extreme value of a loss tangent at −70° C. or lower within a temperature range of −150° C. to 250° C.

Career Highlights

Throughout his career, Yamada has worked with prominent companies such as Shinko Electric Industries Co., Ltd. and Shinko Electric Industries Inc., Ltd. His experience in these organizations has allowed him to develop innovative solutions in substrate technology.

Collaborations

Yamada has collaborated with talented individuals in his field, including Keita Sato and Hiroharu Yanagisawa. These collaborations have contributed to the advancement of technology in substrate handling and electrostatic devices.

Conclusion

Yohei Yamada is a distinguished inventor whose work in substrate technology has led to valuable patents and advancements in the field. His contributions continue to influence the industry and inspire future innovations.