SEI - Semiconductor Enclosures Inc. Email Format
Appliances, Electrical, and Electronics ManufacturingMassachusetts, United States0-1 Employees
SEI - Semiconductor Enclosures Inc. is a U.S.-based manufacturer specializing in powder-to-package, fully integrated technical ceramics for microelectronics. Located in Newburyport, Massachusetts, the company produces ceramic tape systems, substrates, multilayer assemblies, metallization services, and metal-to-ceramic packaging, focusing on aluminas, ZTA, and AlN. Its products and services serve customers across microwave, RF, power, Hi-Rel, military, communications, aerospace, medical, optical, and industrial markets, providing ceramic-based components and packaging solutions for demanding applications. SEI emphasizes domestic production using materials that are RoHS compliant and free from conflict minerals, aligning with its manufacturing and materials standards. The company operates in the broader Appliances, Electrical, and Electronics Manufacturing sector, positioning itself as a specialist supplier for advanced ceramic-based packaging and related services based in Newburyport, with operations centered on high-precision ceramic technologies.