Tohru Haruki

Title: Tohru Haruki: Innovator in Semiconductor Manufacturing

Introduction

Tohru Haruki is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of semiconductor manufacturing, holding a total of 3 patents. His innovative methods have advanced the technology used in the production of semiconductor devices.

Latest Patents

Haruki's latest patents include a method of manufacturing a semiconductor device. This method involves a semiconductor wafer with a main surface that includes a device chip area, a peripheral area, and a blank area. The process consists of coating the entire main surface with a positive photosensitive resist, defining an additional exposure area, and conducting multiple exposure processes to create a resist pattern. The final step involves dry-etching the main surface using the resist pattern as a mask.

Another notable patent is a chemical mechanical polishing method. This method includes forming interlayer insulating films to coat projecting patterns on multiple substrates. The process involves obtaining a linear approximation formula that expresses the relationship between the area ratio of the projecting patterns and the polishing time required to achieve a target film thickness.

Career Highlights

Tohru Haruki is currently employed at Ricoh Company, Ltd., where he continues to innovate in semiconductor technology. His work has been instrumental in enhancing the efficiency and effectiveness of semiconductor manufacturing processes.

Collaborations

Haruki has collaborated with notable coworkers, including Kenji Nishihara and Tadao Uehara. Their combined expertise has contributed to the development of advanced technologies in their field.

Conclusion

Tohru Haruki is a distinguished inventor whose work in semiconductor manufacturing has led to significant advancements in the industry. His innovative patents and collaborations reflect his commitment to pushing the boundaries of technology.