square rectangle sapphire optical plano lens window,Al2O3 single
crystal glass sapphire optical glass for protect window
s, sapphire optical windows
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 |
1. 2 Sapphire Introduce on advantagement
1.high temperature resistant, Sapphire Round / Rectangular Optical
Window can work
under 1200°C continuously,and in short time can even work under
1450°C,
its softening temperature is 1650°C,and the melting temperature is
1750-1800°C.
2.Corrosion resistant, Except hydrofluoric acid, Quartz Plate Of
Optical Grade do not
react with any acid and base except hydrofluoric acid.the stability
is30 tims of the ceramic,and 150 times of stainless steel .
3.Excellent thermal shock stability
4.High transmission to 85%
5.Electric insulation ,it is 10000 times of usual glass
2. Size for sapphire sample in
pictures
Grade: sapphire optical no bubble ,chippng ,scrap,
Orientation:C or A, M, R±1°,
Size: 120x120±0.1mm x Thickness 8±0.05mmt or by customized
Surface:Double side polished SD:40/20,
Tolerance:±0.03mm
Flatness:＜2 lambda
Ra:＜0.5nm
3. About process for sapphire lens
Sapphire Crystals body-->sapphire block/ingots in custiomzed
axis---> (anneal->)check--> wire saw cut
--> repair shape-->rough lapped-->polished--> wash ＆
finished check
Advantages of us company ZMKJ
1. 5 years experiences on sapphire glass manufacturing and
exporting.
2. Top quality glass for exporting to more 80 countries in the
world.
3. Provide the quality assurance for 1years
4. Have all equipment shoud have from crystal block to wafer
polished process
5. Professional sales team, offering personalized and dedicated
services for 24 hours.
4. FAQ:
Q1: Can I have samples to test?
A: Yes,we are pleased to supply samples to test and check
quality,mixed sample order is available.
Q2: Do you have any MOQ limited? A: Our MOQ: 5pcs Q3: What’s the
lead time?
A: Sample :2-3 days.Mass production: 10-30 days.
Q4:How do you ship the goods and how long does it take?
A: We usually ship goods by UPS,FEDEX,TNT by FOB. It usually takes
3-5 days to arrive.
Q5: Do you offer guarantee for your products?
A: After test them if not pass test,you can return the goods at any
time, we will re-offer
you again and also bear shipping fee.
Q6: Do you accept OEM?
A: We have our own brand-metalaser. OEM is also acceptable
