Monocrystalline sapphire ingots for LED, optics, shields and watches industry

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Prolog Semicor Ltd produces monocrystalline sapphire ingots with diameter up to 150mm for LED, optics, shields, watches industry and other application.

We can make ingots and disks in accordance to requirements of customer.

Basic parameters of monocrystalline sapphire ingots

Chemical formula

Al2O3

Density

3.98 g/cm3

Orientation

A, R, C

Orientation tolerance

±0,1º

Diameter

from 30 mm to 150 mm

Primary flat

In accordance to the specification of customer

Ingots lengths

From 50 mm to 200 mm

Crystal quality

Optical, grade 4
Optical. The blocks, bubbles with size >50mkm, impurities seen in polarized light and in-focus light – are not allowed.

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