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SAPPHIRE WAFERS / SAPPHIRE SUBSTRATES

Due to the less mismatched lattice and stable chemical and physical properties, sapphire(Al2O3) wafer is the popular substrates for III-V nitrides, superconductor and magnetic epi-film. They are widely used in GaN and thin-film epitaxial growth, silicon on sapphire, LED market and optics industry.

CRYSCORE is a professional sapphire wafer supplierwho manufactures 99.999% high purity single crystal polished sapphire wafersfor epitaxy. And our sapphire (Al2O3) substrates feature excellent surface finish, which is the key LED parameter.

If you are looking for reliable sapphire wafer suppliers, contact us now.

Different Types of Sapphire Wafers

Standard Sapphire Wafers

CRYSCORE can offer Epi-Ready grade sapphire wafer with a very low surface roughness in complete orientation options.

Custom Sapphire Wafers

CRYSCORE supplies sapphire wafers with high quality surface in all orientations (C-plane, A-plane, R-plane, M-plane, N-plane, V-plane, 10-14 etc.) and, with a miscut if desired.

Square & Rectangle Sapphire Wafers

Besides the circle sapphire wafers, square and rectangle wafers are also available. We have supplied sapphire wafers with various sizes, 5mm x 5mm, 10mm x 10mm, 10mm x 15mm, 15mm x 20mm, etc.

FEATURES OF SINGLE CRYSTAL SAPPHIRE

Among all China sapphire substrate suppliers, CRYSCORE has always devoted in the quality of sapphire substrates.

CRYSCORE'S EXCELLENT SAPPHIRE WAFERS

Special CMP (Chemical Mechanical Polishing) technology to ensure its performance at a low cost.

Excellent surface quality in all orientations (less than 0.2 nm for C-plane, less than 0.5 nm for A-plane, M-plane, R-plane, N-plane, V-plane, 10-14, etc.)

Cleaned in class 100 cleanroom by ultrapure water with quality above 18MΩ *cm.

25 pcs a pack or single pack is available to maximize customer flexibility in their research.

Traceable product serial number.

Compact carton packaging for safer shipping and cost-saving.

Standard wafers are Generally in stock to ensure a quick delivery.

As one of best China sapphire wafer manufacturers, CRYSCOR is committed to supirior quality and cost-eefective sapphire substrates for your business.

LOOK AT WHERE SAPPHIRE WAFER APPLIED

CRYSCORE is one of sapphire ingot manufacturers, our unpolished or polished sapphire wafers are widely used in the industries of LED, semiconductor, microelectronic and more.

In general, C-plane sapphire is needed in this area. R-plane or M-plane mainly used to grow non-polar/semi-polar plane epitaxial layers to improve the luminescence efficiency.

Generally, it is a silicon heteroepitaxial deposition on R-plane sapphire.

Hybrid microelectronics products are mainly HIC and MCM. It has high requirements on the substrate, while sapphire's characteristics such as stable dielectric constant and low dielectric loss make sapphire wafer the most commonly used substrate for HIC and the main substrate for MCM. Generally, the A-plane sapphire wafer is needed.

SAPPHIRE WAFER PROCESSING

At the very beginning, we have a crystal boule.

Crystal growing: Produce high-quality sapphire monocrystals via furnace.

Sapphire ingot processing: Drill out the ingot, Ground the ingot, Quality inspection.

Then we get the sapphire ingot.

Orientation: Position the ingot on the sawing machine.

Sawing: Cut the ingot into thin wafers.

Lapping: Lap the wafer to remove the scratched layer and improve its flatness.

Chamfer: Trim the edge of the wafer into an arc to improve the mechanical strength, to avoiding stress concentration.

Polishing: Reduce the surface roughness to reach the epitaxial wafer grade.

Cleaning: Remove dirt from the wafer surface.

Quality inspection: Inspect wafer with a high precision instrument to meet customer's requests.

Finally, we get the sapphire wafer.

CRYSCORE OPTOELECTRONIC LIMITED has been a professional manufacturer specialized in high-quality sapphire wafers and optical windows since 2008, we provide sapphire optics, custom sapphire wafers, sapphire rodand etc. Want to know more? Please contact us.



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