This inventor holds 1 USPTO granted patent. Top assignee: Narumi China Corporation. Active years: 1982.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1982
Title: Shinichi Murakami and Semiconductor Memory Protection
Introduction
Shinichi Murakami is an inventor associated with Nagoya, Japan, and Narumi China Corporation. His recorded patent concerns protecting semiconductor memory from alpha-particle emissions that could interfere with its operation.
Latest Patents
Murakami’s listed patent, “Casing Having a Layer for Protecting a Semiconductor Memory to Be Sealed,” describes a hermetic casing cap with a protective layer on the recessed surface facing the memory element. The layer is made from material that does not emit alpha particles and is thick enough to prevent emissions from the cap from reaching the memory.
The patent describes several possible protective-layer materials and methods. These include high-purity silicon, 42 alloy, or Kovar plates attached with glass-frit adhesive; fired metallic pastes containing silver, silver-palladium, or gold-palladium; and magnesium oxide applied by plasma spraying. The layer may also combine multiple materials. Murakami is listed with 1 patent.
Career Highlights
The available information associates Murakami with Narumi China Corporation. His patent reflects work on semiconductor packaging and on reducing a potential source of memory-device interference.
Collaborations
Koichi Uno is identified as Murakami’s coworker. The available information does not specify their roles in the patent or describe any additional collaboration.
Conclusion
Shinichi Murakami’s recorded invention focuses on a protective casing layer designed to shield semiconductor memory from alpha-particle emissions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile