| Mechanical 
                    Specifications
                     Gallium arsenide can be supplied as ingots 
                    or ingot sections or as-cut, etched or polished wafers. All 
                    gallium arsenide wafers are individually laser scribed with 
                    ingot and slice identity to ensure perfect tracability.
 Packaging
                    Polished Wafers
 Fluoroware type tray, individually sealed in two outer bags 
                    in inert atmosphere. (Empak type boxes available on request)
 
 As-cut Wafers
 Empak type boxes (Glassine bag available on request)
 
 ‘Process Trial’ wafers
 Fluoroware tray, individually sealed in one outer bag.
 
 If you do not see
 the specification you require,
 please ask for details
 
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 Wafer Technology also offers GaAs wafers 
                  produced by the High Pressure Liquid Encapsulated Czochralski 
                  (LEC) method. Single crystal ingots are produced using high 
                  purity gallium and arsenic as the starting material
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