| Job Title |
Crystal Slicer |
| Job Description |
Operates Precision Saws To Slice Wafers From Semiconductor
Crystal Ingots, Such As Silicon Or Gallium Arsenide: Attaches
Mounted Crystal To Holding Fixture Of Automatic Feed On Saw,
Using Clamps. Adjusts Saw Controls To Set Speed And Angle Of Saw
Blade, Thickness Of Cut, And Angle Of Holding Fixture. Operates
Saw To Cut Sample Wafer From Crystal Ingot. Measures Crystal
Orientation Of Sample Wafer, Using X-ray Machine, And Measures
Thickness Of Sample Wafer, Using Calipers Or Thickness Gauge.
Inspects Sample Wafer For Flaws, Such As Saw Marks, Chips, Bow,
And Taper. Readjusts Saw Controls Based On Measurements And
Inspection. Starts Saw And Observes Operation Of Saw To Ensure
Wafers Are Sliced According To Specifications. Removes Sliced
Wafers From Saw And Cleans Wafers In Sink Or Ultrasonic Cleaner.
May Mount Crystal Ingot To Mounting Block [crystal Mounter
(electron. Comp.) 677.687-014]. May Be Designated According To
Type Of Saw Operated As V-block Saw Operator (electron. Comp.);
Wire Saw Operator (electron. Comp.).
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