Plan Optik AG manufactures and sells structured wafers in Germany. The company offers substrate wafers comprising borosilicate, quartz, fused silica, alkaline free, and silicon-on-glass wafers; carriers and tools, such as chemical release, thermal release, laser release, and mechanical release carrier wafers, as well as adapter wafer and handling tools; packaging wafers, including through hole wafers, cavity wafers, trenched wafers, customized cap solutions, and wafers with structured SI-layers. It also provides interposers, which include glass interposers, SI interposers, through glass vias, and redistribution layers; and microfluidics, including micro reactors, fluidic chips, flow chemistry sets, and sensors, as well as services, such as mechanical processing, patterning, wafer thinning, coating, wire sawing, and bonding services. It serves consumer electronics, automotive, aerospace, chemistry, and pharmaceutical industries. The company is headquartered in Elsoff, Germany.