Hisatomi Hosaka

Title: The Innovative Journey of Hisatomi Hosaka

Introduction

Hisatomi Hosaka, an accomplished inventor hailing from Nirasaki, Japan, has made significant contributions to the field of semiconductor technology. With a total of 13 patents to his name, his innovations focus on enhancing the reliability and efficiency of semiconductor evaluation and testing mechanisms.

Latest Patents

Among his latest patents are groundbreaking inventions that include a reliability evaluation test apparatus, reliability evaluation test system, contactor, and reliability evaluation test method. The reliability evaluation test apparatus designed by Hosaka features a wafer storage section that meticulously maintains electrical contact between the electrode pads on the wafer and the bumps of a contactor. This apparatus not only transmits and receives test signals to and from a measurement section but also boasts a hermetic and heat-insulating structure. With a unique pressure mechanism and a heating mechanism, the device evaluates the reliability of interconnection and insulating films on semiconductor wafers under accelerated conditions.

His invention of a probe card addresses the challenge of examining objects with small electrode spacing. This probe card incorporates a probe supporting plate on the lower face of the printed wiring board, which supports several probes capable of insertion and removal, thus enhancing the efficiency and adaptability of testing.

Career Highlights

Throughout his career, Hisatomi Hosaka has contributed to prominent companies such as Tokyo Electron Limited and Ibiden Company Limited. His work at these organizations has enabled him to refine his expertise in semiconductor technologies and drive forward innovations that are crucial to the industry.

Collaborations

Hosaka's journey has also been marked by significant collaborations with esteemed colleagues, including Kiyoshi Takekoshi and Jun Mochizuki. Working alongside these professionals has allowed him to further his research and development efforts, leading to impactful advancements in semiconductor testing methodologies.

Conclusion

In summary, Hisatomi Hosaka stands out as a remarkable inventor in the semiconductor field. With 13 patents and a dedication to improving reliability evaluation processes, his work continues to influence the industry positively. His innovative approaches and collaborative spirit highlight the essential role inventors play in driving progress and technological advancements.