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UV, Optical Grade Quartz Wafers For Semiconductor, Photomask, Microwave Filter, Optical Use
BonTek supply high quality fused silica, fused quartz substrates in UV, optical and semiconductor grade. Quartz wafers have many unique characteristics, such as high operating temperature, high anti-corrosion, good thermal conductivity, high optical transmittance, and low dielectric loss, which make quartz wafers suitable for semiconductor, photomask, microwave filter, optical lens, optical fiber applications. We can fabricate quartz glass either in round or squared shape, with flat or Notch or just round, either single side polish or double side polish. The diameter is from several millimeter to 14 inch, thickness from 0.1mm to 10mm. BonTek also possess the cleaning line and clean room which ensures the best product condition.
Specification | 3” | 4” | 5" | 6" | 8" |
Diameter | 76.2mm | 100mm | 125mm | 150mm | 200mm |
Tol(±) | <0.1~0.25 mm | ||||
Thickness | >0.10mm | >0.10mm | >0.30mm | >0.30mm | >0.30mm |
Primary Flat | 22mm | 32.5mm | 42.5mm | 57.5mm Notch | Notch |
TTV | <8um | <10um | <15um | <20um | <30um |
Bow | ±20um | ±25um | ±40um | ±40um | ±60um |
Warp | <30um | <40um | <50um | <50um | <60um |
PLTV(<0.5um) | ≥95%(5mm*5mm) | ||||
Transmittance | UV, Optical, IR or Custom option | ||||
Edge Rounding | Compliant with SEMI M1.2 Standard/refer to IEC62276 | ||||
Surface Type | Single Side Polished /Double Sides Polished | ||||
Polished side Ra | <1.0nm or specific per requested | ||||
Back Side Criteria | General is 0.2-0.5µm or as customized | ||||
Appearance | Contamination | None | |||
Particles>0.3µm | <=30 | ||||
Saw Marks, striations | None | ||||
Scratch | None | ||||
Cracks, saw marks, stains | None |
Schott Brand | BOROFLOAT 33 |
Density | 2.23 g/cm3 |
Modulus of Elasticity | 63 kN/mm2 |
Knoop Hardness HK 0.1/20 | 480 |
Poisson’s Ratio | 0.2 |
Dielectric Constant (@ 1 MHz & 25°C) | 4.6 |
Loss Tangent (@ 1 MHz & 25°C) | 37 x 10-4 |
Dielectric Strength(@ 50 Hz & 25°C) | 16 kV/mm |
Refractive Index | 1.472 |
Dispersion (nF - nC) | 71.9 x 10-4 |
Feilihua Model | JGS1 | JGS2 | JGS3 |
Maximum Size | <Φ200mm | <Φ300mm | <Φ200mm |
Transmission Range (Medium transmission ratio) | 0.17~2.10um (Tavg>90%) | 0.26~2.10um (Tavg>85%) | 0.185~3.50um (Tavg>85%) |
OH- Content | 1200 ppm | 150 ppm | 5 ppm |
Fluorescence (ex 254nm) | Virtually Free | Strong v-b | Strong V-B |
Impurity Content | 5 ppm | 20-40 ppm | 40-50 ppm |
Birefringence Constant | 2-4 nm/cm | 4-6 nm/cm | 4-10 nm/cm |
Melting Method | Synthetic CVD | Oxy-hydrogen melting | Electrical melting |
Applications | Laser substrate: Window, lens, prism, mirror... | Semiconductor and high temperature window | IR & UV |
FAQs:
A: We look at ourselves as the piezo wafer specialist. We are the very first to work with Single Crystal Quartz in China about 30 years ago. Then gradually we step in the field of LiNbO3, LiTaO3, Quartz glass, LGS, CTGS etc. Especially, if you are looking for a piezo quartz supplier, we are the ultimate choice! We export millions of quartz blanks each year because we master the AT, SC and IT cuts with superior angle precision.
A: Yes, of course. We can fabricate as per your request. In addition, we are so experienced with piezo wafers that we can provide you relevant suggestions if you are not 100% sure about your choice. Besides, we do have some standard wafers in stock, please check with us.
A: Yes, we would suggest you go with the courier agent you are most familiar with (DHL, FedEX, UPS etc.). We can ship via your account. And, of course, we will pack the products safely in acceptable size to help you save the shipping cost. If you need us to take care of the freight, it’s also not a problem. We also have good discount with the international courier companies.
A: The wafer products are fragile and sometimes expensive. The last thing, as the manufacturer, we want to see is the products we make were damaged during courier. As a result, we will pack the wafers adequately and put them in a proper carton filled with buffer sponge. However, accidents are inevitable sometimes. So, please follow the “Acceptance check” steps shown in the drawings below. If the unwanted happened, we will either give the replenishment or refund if you follow the checking steps.
A: Sure. Factory inspection is important for large quantity purchase and long-term cooperation. Face to face discussion is what we mostly confident with. During the past years, big names around the world have witnessed our progress in factory build-up. These days, due to the Covid-19 pandemic, we also had the experience of videoconferencing with global buyers.
Acceptance Check