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Sapphire Ingots

Product Highlights

Rods

Our Ingots are cored from our HEM grown boules after the boules have been sliced and 

graded by our technicians. The ingots are cored on A-axis using precision CNC coring machines.

The ingots are then inspected for any defects and trimmed to length. The crystal axis is measured and the ingots are precision ground to final diameter.

Final quality inspections are performed before packing and shipping.

 

Technical Specifications

  2” Ingot 4” Ingot 6” Ingot
 A Plane ±0.2° ±0.2° ±0.2°
 Orientation (C-A) ±0.1° / (C-M) ±0.1° (C-A) ±0.1° / (C-M) ±0.1° (C-A) ±0.1° / (C-M) ±0.1°
 Primary Flat Length 16.0 ±0.5mm 30.0 ±0.5mm 47.5 ±1.0mm
 Diameter 50.9 ± 0.05mm 100.1 ± 0.1mm 150.0 ± 0.2mm
 Length 40 to 180mm 40 to 180mm 40 to 180mm
 Exclusion Area <10% <10% <10%
 Circularity < 0.02mm < 0.02mm < 0.02mm
 Surface Roughness FG FG FG
 Purity >99.999% >99.999% >99.999%
 Edge Chips Edge chips are not in the effective length Edge chips are not in the effective length Edge chips are not in the effective length
Visual Inspection Quality  No inclusions, polycrystalline areas, block, twins, bubbles, cracks, pits as seen under high intensity light and diffuse illumination No inclusions, polycrystalline areas, block, twins, bubbles, cracks, pits as seen under high intensity light and diffuse illumination No inclusions, polycrystalline areas, block, twins, bubbles, cracks, pits as seen under high intensity light and diffuse illumination
 
This document is copyright © September 1, 2015 GHTOT. All rights reserved. This document is provided for information purposes only; contents are subject to change without notice. It is not warranted to be error-free, nor subject to any other warranties or conditions including implied warranties and conditions of merchantability or fitness for a particular purpose.

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