Section H: Electricity

• Class H01: Basic Electric Elements
• Subclass H01L: Semiconductor Devices; Electric Solid State Devices Not Otherwise Provided For
• Main Group H01L21/00: Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
• Subgroup H01L21/768: Processes or apparatus for applying a liquid or other fluent material to semiconductor wafers

This classification involves processes or apparatuses specifically adapted for manufacturing semiconductor devices, focusing on the application of liquids or other fluent materials to semiconductor wafers, crucial in the production of modern electronic components.