Athena1 targets government, defense and aerospace with security-focused dual-use processor designs SiPearl develops sovereign European CPU but faces global competition at 2027 release Europe pushes for processor sovereignty while relying on TSMC manufacturing French chip designer SiPearl has announced Athena1, a processor designed for both government and defense applications, as well as aerospace use cases. The CPU is described as a bespoke version of Rhea1, the company’s first-generation