2吋藍寶石碇

2-inch Sapphire Ingot Item Specification

#Sapphire#Ingot#2-inch#Substrates#2吋#藍寶石

Item	Specification
Crystal Materials	99.996% High purity, Monocrystalline Al₂O₃
Surface Orientation	C-plane[0001]
M-Axis Orientation Tolerance	0.0° ± 0.1°
A-Axis Orientation Tolerance	0.0° ± 0.1°
Diameter	51.0 mm ± 0.1 mm
Minimum Usable Core Length	> 40.0 mm
Exclusion Allowance	< 15% per order
Major Flat	A [11-20] ± 0.2°
Major Flat Length	16.0 mm ± 0.5 mm
Face Surface Fnish	None
Front Surface Finish	Fine Ground
OD Surface Finish	Fine Ground
Bubble	None by visual inspection in intensive light
Grain Boundary / Lineage	None by visual inspection in polarized light
Cracks / Pits	None
Cleanliness	Free visible contamination
Notes 1. Exclusion Areas: Allowance as noted. Exclusion areas will be identified and marked on individual cores. Exclusion areas will not be billed. 2. Material Documentation: A unique and traceable Lot ID will be marked on each core. 3. Shipment Documentation: Each shipment shall include a Packing List indicating total useable millimeters of core in the shipment, and a Certificate of Conformance attesting to the conformity of the useable material to the specifications.

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