Sapphire for LEDsSapphire for LEDs Sapphire ingots are mainly used for high brightness LED substrates (2-6 inches). LED applications: lamps of all types, backlit TVs, laptops, mobile phones, outdoor advertising and etc. LED is the key sapphire application in our days. LED substrates are the most effective sapphire application in comparison of cost and quality.

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Sapphire for microelectronicsSapphire for microelectronics Sapphire substrates are the largest sapphire application. Sapphire substrates are used for semiconductor film epitaxy (GaN, Si, AlGaN and others) and for producing of integrated circuits. The sapphire substrates advantages are inertness, mechanical load and high temperature operation ability, large diameter. Therefore sapphire substrates are used even when lattice parameters don’t coincide with the heteroepitaxial structure parameters.

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Sapphires for opticsSapphires for optics Sapphire is widely used for optic and optoelectronic devices such as: observation windows (with dimensions from several millimeters to several hundred millimeters) used on land, underwater and in space; lenses and prisms; all temperature LEDs; focusing cones; high-temperature protective covers for thermocouples; special lamp shells; navigation device protective caps and many others.

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Sapphires for medical equipmentSapphires for medical equipment Sapphire applications in medicine: implants, surgery and medical devices. Sapphire can be implanted into the body tissues because it doesn’t react with organic acids and tissues, sapphire surpass all construction materials in inertness and biocompatibility.

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Sapphires for watchesSapphires for watches Synthetic sapphire is used for watch jewels manufacturing (axial and friction bearings). It is an affordable, stable quality, solid and durable material for friction units. Watch glasses made of light-colored and wait sapphire are used by all known watch manufacturers. The matter is not just in fashion, there are no scratches on the sapphire glasses.

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Techsapphire Ltd.

Sapphire blanks

Sapphire billets and goods.

Our company has the appropriate capacity and scientific-technical potential for sapphire crystal growing and manufacturing of different products.
We are ready to produce any product according to customer’s requirement.

Production Capacity of Techsapphire Ltd. Co.

Cylinders for optoelectronics and optics

Material Single crystal sapphiregrown by Kyropoulos method (Al2O3>99.996%)
Diameter «Standard», inch«on order», mm 2

50.8/53.0

3″

76.2/77.8

4″

100/103

5″

122/127

6″

150/156

>7″

175/260

Diameter tolerance, mm 0,05 0,1
Length, mm 50/150 40/100 20/100
Orientation Random or surface C/A/M/R
Orientation accuracy «Standard»«on order» 0,1°0,05°/1° 0,2°0,1°/5°
Surface Fine grinding Ra<1 micron
Orientation of base cutoff «Standard»«on order» Surface A ±0.25°Surface A ±0.15° Standard SEMI

Observation windows and plates (round and square)

Material Single crystal sapphire
grown by Kyropoulos method (Al2O3>99.996%)
Diameter or diagonal length of rectangular blanks, mm 15/260
Diameter tolerance, mm ±0,05
Thickness, mm 2/40
Thickness tolerance, mm ±0,05
Orientation Random or suface C/A/M/R
Orientation accuracy 0,2°/5°
Surface Fine grinding Ra<1 micron

Tubes, rings, crucibles

Material Single crystal sapphire grown by Kyropoulos method (Al2O3>99.996%)
Outside diameter, mm 40/260
Wall thickness, mm

3 min

Tolerance for outside diameter, mm ±0,05
Tolerance for inner diameter, mm ±0,5
Height/thickness, mm 2/150
Tolerance for height/thickness, mm ±0,05
Orientation Random or surface C/A/M/R
Orientation accuracy 0,2°/5°
Surface Fine grinding Ra<1 micron

Polished billets for laser and spectroscopic applications (windows, including cones, prisms, lenses, mirrors).

Semisphere.

Material Single crystal sapphire
grown by Kyropoulos method (
Al2O3>99.996%)
Outside diameter, mmR 20/100
Wall thickness, mm

3 min

Tolerance for radius, mm ±0,05
Tolerance for thickness, mm ±0,05
Height H, mmH
The relative height H/R 1/1.4 (semisphere and large semispherical «bulb»)
Tolerance for height/thickness, mm ±0,05
Orientation Random or surface C/A/M/R
Orientation accuracy 0,2°/5°
Surface Fine grinding Ra<1 micron

Seed crystals for sapphire growth

Material Single crystal sapphire
grown by Kyropoulos method (
Al2O3>99.996%)
With rectangular cross section, mm 12*12 / 20*20
With round cross section, mm
?12 min
Height H, mm 30/150
Dimensional tolerance, mm ±0,2
Orientation plane C/A/M/R
Orientation accuracy 0,2°/1°
Surface Fine grinding Ra<1 micron

Optical quality control of the billets in plane C is conducted by conoscopic image in polarized light.

Conoscopic image of high quality crystal.

We are ready to consider and meet the needs of any customer, with height quality and within an agreed period of time!