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Quick Details

  • Place of Origin: Sichuan, China (Mainland)
  • Brand Name: DJ-Laser
  • Model Number: sapphire wafer
  • product name: optical sapphire wafer
  • Diameter tolerance: +0.00/-0.80mm
  • Thickness: Customized
  • Thickness tolerance: +/- 0.10mm
  • Surfaces: 80/50
  • clear aperture: 80%
  • Edges: Fine Ground
  • Parallelism: < =10 Arc min
  • Polish: As your request
  • Manufacture: Yes

Packaging & Delivery

Packaging Details sapphire wafer
box and cartons
Delivery Time Shipped in 20 days after payment
Product Description

saphire crystal
Our  company achieves mass production of LED sapphire substrates by adopting independently researched&developed induction-heating molybdenum crucible Bridman-Stockbarger method sapphire crystal growth device and technology.

sapphire wafer

Customizing is available. By using sapphire cutting and machining facilities, sapphire wafers in different orientations, thicknesses and machining accuracies are available. At present, the products mainly are 2" 、 4"and 6〞sapphire wafers.

sapphire wafer

1.good hardness     2.laser grade    3.high purity.99.996%

Sapphire window:

(1). Custom-made sapphire windows at any size from Φ1.0mm to Φ300mm clear aperture are available.
Besides round, sapphire windows at shape of rectangular, wedge, step windows or other shapes are available.
(2). Thickness from 1.0mm to 75.0 mm is available upon request.
(3). 100% clear aperture is available upon request.
(4). Sharp edge is available upon request.
(5). Sapphire windows with Anti-Reflective(AR), High-Reflective(HR), Partial-Reflective(PR) coating are available.

Sapphire wafer
Sapphire substrate(window)
2", 4", 6",
0001(C-axis), 1012(R-axis) ± 1°, 0.5°, 0.25°, 0.1°
Reference Flat Orientation
1120(A-axis), 1010(M-axis)
Reference Flat Length
16±1mm, 22±1mm, 32.5±1mm
Secondary Flat Length
8±1mm, 11±1mm, 15±1mm
330~380um(2"), 430(3"), 435~500um(4") & Adjustable
One side polished, Two side polished
Sapphire Process


1 ,Windows /sight glass in high temperature        2 ,Lenses           3 ,Mirror substrates           4 ,Crucibles, trays and boats
5 ,UV transmitting optics (synthetic fused silica)        6 ,IR transmitting optics                 7 ,Metrology components

Our Company


Chengdu Dongjun Laser Co.,Ltd as a 16 years mannufacturer which is localed in Sichuan province in China.Biggest Manufacture in this feild in China.

DJ-Laser specialized in A series of laser crystal materials such as
Nd:YAG、(Nd:Ce):YAG、Cr4+:YAG、Er:YAG、Ce:YAG、Yb:YAG、(Tm.Ho):YAG、(Tm.Ho.Cr):YAG、Nd:YAP、Er:Glass、 YOV4、Nd: YOV4.


We have passed the ISO ,SGS ,and GJB9001 quality system certification.
Products Show

DJ-Laser specialized in A series of laser crystal materials such as
Nd:YAG、(Nd:Ce):YAG、Cr4+:YAG、Er:YAG、Ce:YAG、Yb:YAG、(Tm.Ho):YAG、(Tm.Ho.Cr):YAG、Nd:YAP、Er:Glass、 YOV4、Nd: YOV4 ect

Our products are widly shipping to Europe and America.
various crystal bars,crystal slabs,composite crystals and threaded crystal ingots according to customers’requirements  Supply LED sapphire substrates and special sapphire optical window in mass.

Relative Products

Our Trade


We have take part in the exhibitions in India, French,US,Taiwan,Korea,Germany Ect.

2015.6.25-28 laser photonics munchen.
2016.2.14-16 West phptonics
2016.316-18 laser photonics Shanghai
2016.6.5-10 2016 Optatec

Packing & Delivery

Packing Details  : Packing, BOX,CARTONS

Delivery Details : 3-7 working  days after order of Solid bicycle tire tubesrecieving your pament will be send out.


1. Q: Where is your company located? How can I visit there? 
A: Our factory is located in Chengdu City, Sichuan Province, China. 
2. Q: Can I get sample and how long will it take?
A:Yes.  We can supply sample.  And you need to pay for the sample and courier.  About 7days after receiving the payment, we will send it out.
3. Q: What's the MOQ?
A: Our MOQ is 1 pieace. 
4. Q: Can I have my own customized product?
A: Yes. Your customized requirements for  logo,  design,  package,  carton mark,  your language manual etc. are very welcome.
5. Q: Can I mix different models in one container?
A: Yes. Different models can be mixed in one container.
6. Q: What is the payment terms?
A:100% T/T

If you have another question, pls feel free to contact us as below:

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China (Mainland)
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5 Transactions 2,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $34,000
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