Square Rectangle Sapphire Optical Windows , Single Crystal Glass For LED Chip

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square rectangle sapphire optical plano lens window,Al2O3 single crystal glass sapphire optical glass for protect window s, sapphire optical windows 1. Product Description - - - - Item | Aluminum oxide (Al2O3) crystal substrate | Crystal structure | six square a =4.758 c= 12.992 | Crystal direction | (11-20 ) - a plane: 2.379 (1-102) - r plane: 1.740 (10-10) - m plane: 1.375 (0001) - c plane: 2.165 | 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 1200C continuously,and in short time can even work under 1450C,its softening temperature is 1650C,and the melting temperature is 1750-1800C. 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, R1, Size: 120x1200.1mmx Thickness 80.05mmt 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/ingotsin custiomzed axis---> (anneal->)check--> wire saw cut -->repair shape-->rough lapped-->polished--> wash finished check Advantages of us company ZMKJ 1. 5years experiences on sapphireglass manufacturing and exporting. 2. Top quality glass forexporting to more 80 countries in the world. 3. Provide thequality 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: Whats 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

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SHANGHAI FAMOUS TRADE CO.,LTD

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