| Job Title |
Seed Core Operator |
| Job Description |
Performs Following Duties To Produce Seed Cores From Silicon
Crystal Ingots For Use In Crystal Growing Process: Tends Saw
That Cuts Ingot Into Specified Lengths. Determines Crystal
Orientation Of Ingot Sections, Using X-ray Equipment, And Draws
Orientation Lines On Ingot. Positions Ingot Sections On Chuck Of
Drill According To Crystal Orientation And Activates Drill That
Automatically Removes Seed Core From Ingot. Grinds Seed Core To
Smooth Rough Edges, Using Sanding Machine, And X Rays And Marks
Seed Core To Indicate Crystal Orientation. Tends Machine That
Cuts Groove In Seed Core. Cleans Seed Core To Remove
Contaminants, Using Ultrasonic And Etching Equipment. Wraps
Finished Crystal In Protective Paper. Records Production
Information.
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