Plan Optik AG manufactures and sells structured wafers in Germany. It offers glass 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, 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; 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. The company also provides services, such as mechanical processing, prototyping, vacuum casting, injection molding, 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.