Corrosion Resistance 300um Al2O3 Sapphire Components

Basic Information
Place of Origin: china
Brand Name: zmkj
Model Number: dia3x0.3mmt or 2.5x2.5
Minimum Order Quantity: 1000pcs
Price: by case
Packaging Details: Packed in PET Films under 1000 grade cleaning room
Delivery Time: 1-4weeks
Payment Terms: T/T, Western Union
Supply Ability: 100000pcs
Material: Sapphire Or Quartz Thickness: Less Than300um
Shape: Diameter 3mm Or Square 2.5x2.5 Surface: Double Side Polished
Application: Low Temperature Laboratory Bacterial Culture Slide Advantage: Good Thermal Conductivity
High Light:

Al2O3 Sapphire Components

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300um Sapphire Components

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Quartz Sapphire Cover Glass Lens

UVC UVA encapsulation appliation diameter3*0.3mmt 2.5x2.5mmt Quartz Sapphire cover glass lens

dia3*0.15mmt/0.1mm/80um/120um sapphire small lens chip for endoscope/Low temperature laboratory bacterial culture glass

 

 

Synthetic Sapphire is a single crystal form of corundum, Al2O3, also known as alpha-alumina, alumina, and single crystal Al2O3. Sapphire is aluminium oxide in the purest form with no porosity or grain boundaries, making it theoretically dense. The combination of favourable chemical, electrical, mechanical, optical, surface, thermal, and durability properties make sapphire a preferred material for high performance system and component designs. For various semiconductor applications, sapphire is the best choice in comparison with other synthetic single-crystals.
Sapphire substrates / wafers: EPI-polished, optically polished, lapped or as-cut sapphire disks, windows, substrates, blanks as well as epitaxial structures “silicon-on-sapphire” (SOS) are described at the next page,Corrosion Resistance 300um Al2O3 Sapphire Components 0

 

Main properties of sapphire:

Chemical formula Al2O3
Crystal class Hexagonal system, rhomboidal class 3m
Lattice constants, A a=4.785, c=12.991
Density, g/cm3 3.98
Melting point, °K 2303
Hardness Knoop(daN/mm2): 1800 parallel to C-axis, 2200 perpendicular to C-axis, Mohs: 9
Optical transmission range, µm 0.17 - 5.5
Refractive index at 0.532 µm n0=1.7717, ne=1.76355
Water absorption nil
Young Modulus, Gpa 345
Shear Modulus, Gpa 145
Bulk Modulus, Gpa 240
Bending Modulus (Modulus of Rupture), Mpa 420 at 20°C, 280 at 500°C
Elastic Coefficient C11=496, C12=164, C13=115, C33=498, C44=148
Poisson ratio 0.25-0.30
Friction Coefficient 0.15 on steel, 0.10 on sapphire
Tensile strength, MPa 400 at 25°, 275 at 500°, 345 at 1000°
Flexural strength, daN/mm2 35 to 39
Compressive strength, GPa 2.0
Young’s modulus E, daN/mm2 3.6 x 104 to 4.4 x 104
Specific heat, J/(kg x K) 105 at 91°K, 761 at 291°K

 

Sapphire substrates:
· Blue LED's (BLED's) - sapphire is the substrate for the growth of III-V and II-VI compounds such as GaN for LED's,
· for IR Detectors, for the growth of mercury cadmium tellurium (HgCdTe), GaAs wafer carriers, microwave integrated circuits
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 - FLIR (Forward Looking Infra Red) windows for sensors and other optics. Optical clarity over a broad spectral range combines with durability in this application.
· Windows - for erosion resistance in salt and blowing sand environments, sapphire is used in conventional windows and dome shapes in replacement of softer, more fragile IR transmitting materials.
· Countermeasures lamps - sapphire flash lamps are used in IRCM's (Infra red countermeasures). The high temperature performance of sapphire is combined with broad spectral range in this application.
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; Sapphire is used for very high-pressure applications in replacement of glass or quartz tubes.
· Sample preparation - sapphire is used in digestion cells as sheaths and liners. When hydrofluoric acid is used, sapphire replaces quartz components
· Analytical chemistry - for mass spectroscopy, ICAP, and other systems, sapphire replaces quartware to improve durability and reduce contamination while offering good UV transmission.
Medical applications:
· Sapphire is used in surgical systems for laser transmission and in contact with bodily fluids.
· Surgical tips - sapphire is used in contact tips for various surgical laser applications
· Endoscope lenses - sapphire is often used in endoscope lenses due to its durability in contact with tissues and in sterilisation environments such as autoclaving
· Sapphire knives - with a sapphire knife, thinner sections are possible. The near perfect cutting edge of this knife / blade gives distortion-free sections down to 10 microns thick.
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 - for very high brightness illumination, sapphire windows survive the very high heat while providing the broadest spectral transmission.
· Sapphire lightguides - sapphire rods; used in high temperature thermometry beyond the range of quartz optics.
· Optical components: lenses, prisms and other laser and infrared optics are fabricated from high optical quality sapphire.
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.

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Customized order:
Produce according to specific requirements and drawings, and also can design products for customers


1. Any inquiries will be replied within 24 hours.

2. Professional manufactory for 5 years.

3. All products will have been strictly Quality Checked in house before packing.

4. All products will be well packed before shipping.

5. Trigon Optics provides technical assistance as the customers requirement and needs.

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