Company Filing History:
Years Active: 2011-2012
Title: **Innovative Contributions of Tsutomu Iwai in Printed Wiring Board Technology**
Introduction
Tsutomu Iwai, an accomplished inventor based in Ogaki, Japan, is known for his significant contributions to the field of printed wiring board technology. With a total of two patents, Iwai has developed innovative methods that enhance the performance and reliability of solder applications in circuitry.
Latest Patents
Iwai's latest patents focus on an advanced manufacturing technique for printed wiring boards. The first patent details a method wherein a composite layer composed of nickel (Ni) and palladium (Pd) is formed on a solder pad. This innovative approach utilizes lead-free solder, which, when applied to the composite layer, benefits from the enhanced adhesiveness afforded by the Pd layer. The palladium's superior rigidity compared to traditional gold layers allows it to effectively absorb thermal stress, minimizing the transmission of stress to solder bumps.
The second patent mirrors the first, reinforcing the dual advantages of improved solder repellency and mechanical stability through the application of the composite layer. Such innovation is crucial in modern electronics, which demand higher performance and environmental compliance.
Career Highlights
Tsutomu Iwai has developed his expertise within Ibiden Company Limited, where he applies his innovative thinking to solve complex challenges in the electronics industry. His work has contributed to the evolution of reliable, high-performance printed wiring boards that are essential in various electronic devices.
Collaborations
Throughout his career, Iwai has collaborated with talented colleagues such as Yoshihiro Kodera and Shinya Maeda, further enriching his work through shared expertise and diverse perspectives. Together, they have driven forward the innovation landscape within their company, contributing to advancements that benefit the wider electronics sector.
Conclusion
Tsutomu Iwai's contributions to printed wiring board technology illuminate his role as a vital innovator in the field. The patents he holds reflect his commitment to enhancing electronic performance and promoting sustainable practices through lead-free manufacturing techniques. As technology continues to evolve, the impact of Iwai’s innovations will likely resonate throughout the electronics industry for years to come.