prepare a many silicon wafers on aluminium table for examination appearance each wafers, top view

aluminium background box business chip circuit circuits color computer cpu crystalline design detail electronics factory fine future gloves graphic green hand high holder industrial industry integrated isolated manufacturing material memory micro microchip microchips microcircuits microelectronic motherboard nanoelectornics photolithography photovoltaics polycrystalline polysilicon printed production science semiconductor silicon slice technology wafer white