SEMI International Standards
Task Force Organization Form (TFOF)


Task Force Name: HB-LED Wafer TF


Global Technical Committee: HB-LED
Originating Technical Committee Region: North America


1. Charter:

Define physical geometry of wafers used in HB-LED manufacturing

2. Scope:
Start with 150 mm diameter sapphire wafers. Include
* thickness range (application–dependent)
* diameter tolerance
* edge profile
* orientation fiducial
* wafer ID


3. Formal linkages with Task Forces in other Regions:
No linkages reported

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4. Approval:
Task Force formed on: 11/11/2010