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Sapphire physical propertyProduct Description:
Sapphire is a material of a unique combination of physical,
chemical and optical properties, which make it resistant to high
temperature, thermal shock, water and sand erosion, and scratching.
It is a superior window material for many IR applications from 3µm
to 5µm. C-plane sapphire substrates are widely used to grow III-V
and II-VI compounds such as GaN for blue LED and laser diodes,
while R-plane sapphire substrates are used for the hetero-epitaxial
deposition of silicon for microelectronic IC applications.
Item | Aluminum oxide (Al2O3) crystal substrate |
Crystal structure | six square a =4.758 Å c= 12.992 Å |
Crystal direction | (11-20 ) - a plane: 2.379 Å (1-102) - r plane: 1.740 Å (10-10) - m plane: 1.375 Å (0001) - c plane: 2.165 Å |
Single crystal purity | > 99.99% |
Melting point | 2040 oC |
3.0 sample
Applications
Typical Sapphire applications:
Sapphire substrates:
· Blue LED's (BLED's) -
Aerospace:
· Sapphire is used for its durability and erosion/corrosion
resistance, often in combination with the ability to withstand high
heat while having a very broad transmission range. Applications
include:
· Windows - · Countermeasures lamps
Analytical applications:
· Sapphire is used in analytical applications where combinations of
high temperature, pressure, and hydrofluoric acid species are
encountered. These applications need the survivability of sapphire,
while often needing other properties such as favourable UV
(ultraviolet) or IR (infrared) transmission.
· NMR (Nuclear Magnetic Resonance) tubes; · Sample preparation s·
Analytical chemistry -
Medical applications:
· Sapphire is used in surgical systems for laser transmission and
in contact with bodily fluids.
· Surgical tips · Endoscope lenses -· Sapphire knives -
Optical applications:
· Sapphire is used for short and long wavelength applications (UV
and IR) beyond the range where conventional optics performs
adequately. High temperatures and hostile environments also
necessitate the use of sapphire optics.
· Illumination windows - · Sapphire lightguides - · Optical
components:
Watch industry: Sapphire is widely used for watch glasses. The world demand in
watch industry centres on scratchproof sapphire watch crystals.
However, besides traditional flat shapes, crystals with spherical
and cylindrical curves are also in great demand.
4.We can supply professional customized service in time and provide
cooperation and support of new product development and technology
appliance.
FAQ
1. Q: Where is your factory located?
A: Our factory located in wuxi city , China nearby shanghai city.
2. Q: What's your MOQ?
A: MOQ is 3pcs for above products
3. Q: Can you accept customization?
A: Yes, we can
4. Q: If I place an order now, how long would it be before I got
delivery?
A: It would largely depend on the size of the order and the items
you want.
1-100pcs, common delivery time is in 20days.
5. Q: What’s the quality assurance we provided and how do we
control quality?
A: Established a procedure to check products at all stages of the
manufacturing process -
raw materials, in process materials, validated or tested materials,
finished goods, etc.
Besides, we have also developed a procedure which identifies the
inspection and
test status of all items at all stages of the manufacturing
process.
