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ShanXiZhongJuJingKe Semiconductor Co., Ltd

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HomeProductsSapphire Substrate4inch Sapphire Substrate4inch LED Sapphire substrate
  • 4inch LED Sapphire substrate

4inch LED Sapphire substrate

Product Description

For convenience of positioning, the substrates are supplied with one or two additional (marking) profile planes. The C plane is used for the coating Sapphire are used. Sapphire substrates are employed in sensors.

measuring pressure, mass, and humidity, as well as in IR-radiation detectors (HgCdTe films on sapphire) and other devices.

Although there are lots substrates which are regarded as potential materials to replace Sapphire Substrate, it is still dominated in the substrates (for GaN LED growth) market, because of its reasonable price and relatively low mismatch. Zhongju is capable of processing substrates according to customer needs. Currently, our sapphire substrate productions ranges from 2 to 12 inches with high quality and accurate orientation.

Table 1 Size of substrates

2 inches Substrates

4 inches Substrates

6 inches Substrates

Diameter (mm)




Primary Flat Length (mm)




Table 2 Specification of substrates


High purity Single Crystal Sapphire

Surface Orientation

C-plane ± 0.1°

Primary Flat Orientation

A-plane ± 0.5°

Broken edge length





No inclusiontwinor boundary

Bubble and cloud

Dense bubbles, clouds, and scattered bubble marked and counted as defects by length


≤1000 pits/cm2

Looking for ideal 4inch Sapphire Substrate Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the 2inch Sapphire Substrate are quality guaranteed. We are China Origin Factory of 6inch Sapphire Substrate. If you have any question, please feel free to contact us.

Product Categories : Sapphire Substrate > 4inch Sapphire Substrate

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