- IXYS Integrated Circuits Division, formerly Clare, Inc., an IXYS Company, designs, manufactures, and markets high-voltage integrated circuits (ICs) and optically isolated Solid State Relays (OptoMOS®) for the communication, industrial, power, and consumer markets. As a pioneer in the development of Solid State Relays (SSRs), they have become a leading supplier to the telecommunications, security, utility metering, and industrial control industries. IXYS Integrated Circuits Division SSR solutions are rapidly replacing older electromechanical devices in many applications and enhancing overall system performance. They continue to develop leadership products that offer higher levels of integration and electrical performance.