Katsuhisa Aizawa

Title: Innovations of Katsuhisa Aizawa

Introduction

Katsuhisa Aizawa is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of technology, particularly in the development of methods for creating advanced plastic cards and semiconductor devices. With a total of 2 patents, Aizawa's work showcases his innovative spirit and technical expertise.

Latest Patents

Aizawa's latest patents include a method for the preparation of an emboss-worked plastic card. This invention provides an efficient technique for creating a plastic-made computer-operating card that features an emboss-worked relief pattern on its surface. The method involves adhesively bonding an emboss-worked plastic covering sheet to the card body, ensuring that the cavity behind the relief pattern is filled with debris from a second sheet, thus preventing any collapse during the adhesive bonding process.

Another significant patent is related to the assemblage of a semiconductor device. This invention improves the flip-chip method for connecting bonding pads of semiconductor devices, such as integrated circuit chips, to circuit board electrodes. Instead of using conventional solder alloy bumps, Aizawa's method employs bonding pads made from a material that possesses both electric conductivity and rubbery elasticity, greatly enhancing the reliability of the electric connection.

Career Highlights

Katsuhisa Aizawa is currently associated with Shin-Etsu Polymer Co., Ltd., where he continues to innovate and contribute to the field of technology. His work has garnered attention for its practical applications and improvements in manufacturing processes.

Collaborations

Aizawa has collaborated with notable coworkers, including Takumi Suda and Akio Nakamura, who have also contributed to advancements in their respective fields.

Conclusion

Katsuhisa Aizawa's innovative contributions to the technology sector, particularly in the areas of plastic card preparation and semiconductor device assembly, highlight his role as a significant inventor. His patents reflect a commitment to improving existing methods and enhancing the reliability of electronic connections.