Planoptik 

Headquartered in Elsoff, Germany, Plan Optik AG is a German manufacturer and supplier of structured wafers. Their extensive product portfolio includes a diverse range of substrate wafers, such as borosilicate, quartz, fused silica, and alkaline-free materials, as well as silicon-on-glass variants. The company further provides various carriers and specialized tools, like chemical, thermal, laser, and mechanical release carrier wafers, alongside adapter wafers and handling instruments. For packaging applications, they offer through-hole, cavity, and trenched wafers, customized cap solutions, and wafers with structured silicon layers. Beyond these, Plan Optik supplies interposers, encompassing glass and silicon (SI) interposers, through-glass vias (TGVs), and redistribution layers. They also produce microfluidic devices, including micro reactors, fluidic chips, flow chemistry sets, and sensors. To support these offerings, the firm provides a suite of services, such as mechanical processing, patterning, wafer thinning, coating, wire sawing, and bonding. These advanced solutions are utilized across numerous sectors, including consumer electronics, automotive, aerospace, chemistry, and pharmaceuticals.