Tsutomu Shoji

Title: Tsutomu Shoji: Innovator in Probe Card Technology

Introduction

Tsutomu Shoji is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of electronic materials, particularly through his innovative patent related to probe card technology. His work has implications for improving the efficiency and accuracy of electronic testing processes.

Latest Patents

Tsutomu Shoji holds a patent for a probe card that suppresses reflection from a circuit board. This invention includes a light-transparent insulating film formed on interlayer wiring, which facilitates the easy identification of alignment marks on the probe. The probe card comprises a circuit board with an insulating film and an electrode pad, along with a probe attached to the electrode pad. The alignment mark is identifiable from the opposite side of the circuit board and is strategically positioned outside the electrode pad. The insulating film is a light-transmissive thin film that covers the interlayer wiring, while an anti-reflection film with lower light transmittance is formed in specific regions on the insulating film, particularly around the alignment mark.

Career Highlights

Tsutomu Shoji is associated with Japan Electronic Materials Corporation, where he has been instrumental in advancing electronic materials technology. His innovative approach has led to the development of solutions that enhance the performance of electronic devices.

Collaborations

Tsutomu has collaborated with notable colleagues such as Tatsunori Shimizu and Yuji Kawasaki. Their combined expertise has contributed to the success of various projects within the company.

Conclusion

Tsutomu Shoji's contributions to probe card technology exemplify the importance of innovation in the electronics industry. His patent reflects a commitment to enhancing electronic testing processes, showcasing his role as a key inventor in this field.