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Home > Products > Sapphire Parts > Cyclic Annular Polished Sapphire Parts With Step For Sapphire Wear Resisting Applications

Cyclic Annular Polished Sapphire Parts With Step For Sapphire Wear Resisting Applications

Product Details

Place of Origin: china

Brand Name: zmkj

Model Number: tube-022

Payment & Shipping Terms

Minimum Order Quantity: 10pcs

Price: by case

Packaging Details: PET Films

Delivery Time: 20DAYS

Get Best Price
Highlight:

sapphire tube

,

sapphire windows

Materials:
99.999% Al2O3
Application:
Semicondutor Wafer, Led Chip, Optical Glass Window, Electronic Ceramics,bearing
Advantagement:
High Hardness9.0,wear Resistance,
VisVisible Light TransmittanceVisible Light Transmittance:
85%
Color:
Red And White
Type:
Single Crystal
Materials:
99.999% Al2O3
Application:
Semicondutor Wafer, Led Chip, Optical Glass Window, Electronic Ceramics,bearing
Advantagement:
High Hardness9.0,wear Resistance,
VisVisible Light TransmittanceVisible Light Transmittance:
85%
Color:
Red And White
Type:
Single Crystal
Cyclic Annular Polished Sapphire Parts With Step For Sapphire Wear Resisting Applications

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Sapphire description

 

Product Name: Aluminum oxide (Al2O3) crystal substrate Sapphire crystal 

 

Product Description:

Al2O3 single crystal (Sapphire, also known as white stones, sapphire) has good thermal properties, excellent electrical characteristics and dielectric properties, and anti-chemicalcorrosion, it is high temperature, thermal conductivity, high hardness, infrared transparent, chemically stable good. Widely used in high-temperature infrared window materials and III-V nitride epitaxial film substrate and a variety of materials to meet the growing blue, purple, white light-emitting diode (LED) and blue laser (LD) needs, Branch Crystal company specializing in the production of high quality polished sapphire crystal and epitaxial substrates will provide you with a lot of high quality and low price monocrystalline substrate.
Technical parameters:
 
Crystal structure Hexagonal a = 4.758 Å c = 12.992 Å
Crystal orientation

(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
Crystal purity > 99.99%
Mp 2040 o C
Density 3.98 g / cm 3
Hardness 9 (mohs)
Thermal expansion 7.5 (x10 -6 / o C)
Heat capacity 0.10 (cal / o C)
Thermal conductivity 46.06 @ 0 o C 25.12 @ 100 o C, 12.56 @ 400 o C (W / (mK))
Permittivity ~ 9.4 @ 300K at A axis ~ 11.58 @ 300K at C axis
Loss tangent <2x10 -5 at A axis, <5 x10 -5 at C axis
Specifications:

C, A, M, R Tolerance: + / -0.2 degrees

dia1"~dia dia10" x 250mm

Single throw or double throw, Ra <5A

Note: according to customers' requirements and size of the corresponding direction.

Standard Packaging: 1000 clean room, 100 clean bag or single box packaging
 
Sapphire wafer and substrate applications include:
- Microelectronic IC applications - SOS Silicon-on-Sapphire
- Growth of superconducting compounds / Gallium Nitride - Infrared detectors
- Hybrid microelectronics - Polishing carriers
- Sapphire optical lens for windows,  watch cover, bearing, 
Hostile environment
Optical transmission from ultraviolet to near infrared
High temperature Radiation resistance

 

3.0 sample

Cyclic Annular Polished Sapphire Parts With Step For Sapphire Wear Resisting Applications 0

 

 

4.We can supply professional customized service in time and provide

cooperation and support of new product development and technology appliance.

Cyclic Annular Polished Sapphire Parts With Step For Sapphire Wear Resisting Applications 1
Cyclic Annular Polished Sapphire Parts With Step For Sapphire Wear Resisting Applications 2
 
 
5.0about sapphire produce step 

crystal-> ingot--> cut tail-->repaire diameter-->customized shape--->wire saw-->

 

anneal --> rough lapped--> champer-->fine groud  lapped-->polished

Cyclic Annular Polished Sapphire Parts With Step For Sapphire Wear Resisting Applications 3

6.0 FAQ –
Q: What you can supply logistics and cost?
(1) We accept DHL, Fedex, TNT, UPS, EMS, SF and etc by fob.
(2) If you have your own express number, it's great. 

Q: What's the delivery time?
(1) For the standard products such as ball lens, powell lens and collimator lens:
For inventory: the delivery is 5 workdays after order.
For customized products: the delivery is 2 or 3 workweeks after order.

Q: How to pay?
100%T/T before delivery, Paypal, West Union, MoneyGram.

Q: What's the MOQ?
(1) For inventory, the MOQ is 5pcs.
(2) For customized products, the MOQ is 10pcs-30pcs.
It depends on quantity and technics