Hiromichi Kawakami

Title: Hiromichi Kawakami: Innovator in Multilayer Circuit Boards

Introduction: Hiromichi Kawakami is a prominent inventor based in Moriyama, Japan, recognized for his significant contributions to the field of electronics through his innovative designs and technologies. With a remarkable portfolio of 25 patents, Kawakami has established himself as a leading figure in the development of multilayer circuit boards and ceramic substrates.

Latest Patents: Among his latest inventions are two notable patents that stand out:

1. **Multilayer Circuit Board Used for Probe Card:** This innovative multilayer circuit board comprises a core substrate covered by a resin section that protects its surfaces. It features a plurality of metal pins embedded within the resin section, allowing for enhanced functionality. The design incorporates a ceramic multilayer section on the substrate side and a resin multilayer section on the opposite main surface. A through-hole extends through the resin in the thickness direction, enabling a fastening part to secure the board onto the mother substrate.

2. **Multilayer Ceramic Substrate:** This invention involves a multilayer ceramic substrate that includes multiple base layers comprising a low-temperature co-fired ceramic material. It integrates first constraint layers made of partially sintered metal oxide, strategically placed between the base layers. The protective layer also contains metal oxide and is designed to interact with the outermost base layer, ensuring a sophisticated and durable construction.

Career Highlights: Kawakami has worked with esteemed companies in the electronics industry, particularly Murata Manufacturing Co., Ltd. His tenure at these organizations has allowed him to hone his skills and contribute to cutting-edge innovations within the fields of electronics and materials science.

Collaborations: Throughout his career, Kawakami has collaborated with notable colleagues such as Hiroji Tani and Shizuharu Watanabe. These partnerships have undoubtedly enriched his research and development efforts, leading to groundbreaking advancements in technology.

Conclusion: Hiromichi Kawakami's contributions to the field of multilayer circuit boards and ceramic substrates highlight the importance of innovation in electronics. His extensive patent portfolio reflects a dedication to pushing the boundaries of technology and an unwavering commitment to improving electronic systems.