Company Filing History:
Years Active: 1993-1997
Title: Hiroshi Kamezaki: Innovator in Multi-Layer Wiring Board Technology
Introduction
Hiroshi Kamezaki is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of electronics, particularly in the development of multi-layer wiring boards. With a total of 6 patents to his name, Kamezaki's work has advanced the technology used in circuit boards, enhancing their efficiency and reliability.
Latest Patents
Kamezaki's latest patents include a process for preparing a multi-layer wiring board. This innovative process involves creating a multi-layer wiring board that features alternating layers of glass ceramic material and conductor patterns. The glass ceramic layers are composed of a glass matrix with ceramic particles dispersed throughout. Notably, the layers contain hollow or porous silica glass spheres, which are coated with a ceramic layer that includes alumina. This design prevents the crystallization of silica spheres, thereby avoiding a rapid increase in the thermal expansion coefficient of the glass ceramic layers.
Another significant patent is a method of manufacturing a multi-layered ceramic circuit board. This method utilizes a hybrid laminate made from green sheets containing hollow silica and those without. By incorporating quartz glass into the first ceramic material, Kamezaki ensures that the shrinkage percentages of the green sheets remain closely aligned during firing, thus preventing failures in the laminate.
Career Highlights
Hiroshi Kamezaki is currently employed at Fujitsu Corporation, where he continues to innovate in the field of electronics. His work has been instrumental in improving the manufacturing processes of multi-layered circuit boards, making them more efficient and reliable for various applications.
Collaborations
Kamezaki has collaborated with notable colleagues such as Kishio Yokouchi and Masato Wakamura. Their combined expertise has contributed to the successful development of advanced technologies in the electronics sector.
Conclusion
Hiroshi Kamezaki's contributions to the field of multi-layer wiring board technology have made a lasting impact on the electronics industry. His innovative patents and collaborative efforts continue to drive advancements in circuit board manufacturing.