Hiroshi Ban

Title: Inventor Hiroshi Ban: Pioneering Innovations in Probe Card Technologies

Introduction

Hiroshi Ban, based in Machida, Japan, is an accomplished inventor known for his extensive contributions to the field of semiconductor technology. With a remarkable portfolio of 9 patents, Ban has made significant strides in enhancing the performance and reliability of probe cards used in the testing of electronic devices.

Latest Patents

Hiroshi Ban's most recent patents include innovative technologies such as the Probe Card and Method for Manufacturing Probe Card, along with a Prober Apparatus. These embodiments provide solutions for compensating positional shifts in probe tips in response to temperature changes, allowing for wafer testing over a wide temperature range. The design integrates a substrate, a probe made from a first metallic material, and a thermal compensation member crafted from a second metallic material that boasts a higher thermal expansion coefficient. This unique combination ensures accurate contact with connection terminals of electronic devices, thereby improving testing accuracy.

Another critical innovation by Ban is a Semiconductor Device and Method of Manufacturing the Same. In this invention, a chip featuring an LSI circuit is affixed to a board in a leveled position. The design ensures that normal operation of the LSI circuit occurs only when the chip is level. The back of the chip is processed to induce stress, which causes deformation upon detachment from the board, preventing any analysis on the LSI circuit. This innovative approach helps to safeguard the integrity of semiconductor devices.

Career Highlights

Throughout his career, Hiroshi Ban has played pivotal roles in several key organizations, including the Nippon Telegraph and Telephone Corporation, where he has greatly contributed to advancements in semiconductor technology. His expertise has been instrumental in developing tools and methods that enhance the performance of electronic testing equipment.

Collaborations

Ban has collaborated with notable individuals in the industry, including Akinobu Tanaka and Tadao Takeda. These partnerships have allowed for the cross-pollination of ideas and have driven further innovation in the field of electronics.

Conclusion

In summary, Hiroshi Ban stands out as a prominent inventor whose innovative contributions have significantly impacted semiconductor technology. His patents reflect a deep understanding of materials and mechanisms crucial for reliable electronic testing solutions. As the industry continues to evolve, Ban's work will undoubtedly continue to influence future developments and advancements.