SEMI International Standards
Date Prepared: 09/01/2014
Revised (if Applicable):

Name of Task Force (TF): Sapphire Single Crystal Ingot Task Force

Global Technical Committee: HB-LED
Originating Technical Committee Region: China

1. Charter: (State the objective of the proposed TF.)
1. Define the key parameters of LED sapphire ingot, including dimension, orientation of the end face and flat, surface quality, bulk defects, etc.
2. Formulate the inspection methods of the key parameters for LED sapphire ingot.
3. Formulate and establish inspection standards of the key parameters for LED sapphire ingot.

2. Scope: (Define the specific activities that the TF will conduct.)
The task force will build one set of systems of LED sapphire ingot, which can complete inspection of sapphire ingot by the most economic and most rapid way. The systems would cover the inspection methods and the standards of the key parameters for LED sapphire ingot, including parameters type,methods of inspection, inspection environment, etc.
3. Formal linkages with TFs in other Regions/Locales: (Show each associated TF and its parent global technical committee; indicate nature of relationship – global TF, observer TF, etc.)

4. Formation Date:(TF formed on)

Task Force formed on: 09/19/2014
Task Force approved by Committee/GCS on: 09/19/2014