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After the steps stated on this page, the wafer are then fabricated into microchips. This second step is refered to Wafer Fabrication.
There are several stages to make a silicon wafer. First the silicon is mined from beach sand! There are only a few beaches in the world where you can mine the sand.
Silicon Crystal Growth
|Polysilicon chunks are poured into a crucible. There a Silicon seed crystal is grown into a respective diameter.|
Single Crystal Silicon Ingot
|The seed crystal is grown into a silicon ingot.|
Silicon Crystal Trimming and Diameter Grind
|The excess silicon left over from the ingot's grow is trimmed and grinded down.|
Silicon Flat Grinding
|Orienting flats are ground into the wafer. Each diameter has a standard semiconductor flat.|
Silicon Wafer Slicing
|The ingot is then sliced into thin wafers. The operator chooses the thicknesses. An ingot can be sliced in semiconductor standard thicknesses or custom sliced to meet customer needs including wafer chucks.|
Silicon Edge Rounding
|The wafer flat sharp edges are rounded to provide strength and prevent chipping.|
Silicon Wafer Lapping
Silicon Wafer Etching
Silicon Wafer Polishing
Silicon Wafer Inspection