• All sections
• H - Electricity
• H01L - Semiconductor devices not covered by class
• H01L 21/822 - Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology

Patent holdings for IPC class H01L 21/822

Total number of patents in this class: 2732

10-year publication summary

Principal owners for this class