Customized Cuts Single Crystal Quartz Wafers Blanks for SAW and Piezoelectric Applications
BonTek is a professional manufacturer of quartz blanks in PRC. The main products are SC-cut, AT-cut, IT-cut and FC-cut quartz wafers and blanks. Or, you may use IRE standard or Eular angle. They are used as SAW substrates, optical windows, carrier wafers, or bulkwave chips for making all commercial and military grade crystals, filters, OCXO, TCXO etc.
BonTek is equipped with QSC41L from EFG company in Germany to do angle control. It can work on IT, SC and FC cuts for angle measurement and sorting. Our capacity is 800,000 pieces monthly at SC-cut and 1 million monthly at AT-cut this moment, including all kinds convex-Plano typed parts with or without polish.
Product | Single Crystal Quartz Wafer | ||||
Q-Value | Min 1.8×10^6, 2.4×10^6, 3.0×10^6 (IEC standards) | ||||
ECD | 2/cm2,10/ cm2,30/ cm2,100/ cm2,300/cm2; Swept Quartz (IEC standards) | ||||
Inclusions | Ia,Ib,I, II,III Grades (IEC standards) | ||||
Orientation | X, Y, Z, AT, ST, BT, CT, ET ,DT, GT, NT, FC, SC, IT, etc. | ||||
Diameter | 2 inch 50.8mm | 3 inch 76.2mm | 4 inch 100mm | 6 inch 150mm | 8 inch 200mm |
Tolerance | ±0.2mm | ±0.2mm | ±0.2mm | ±0.2mm | ±0.2mm |
Thickness Tolerance | ±0.025mm | ±0.025mm | ±0.025mm | ±0.025mm | ±0.025mm |
Seed | seedless for any cut Or with seed | seedless for Z-cut Other cut with seed | |||
Primary Flat | 16±2mm | 22±2mm | 32±2mm | 47.5±2mm 57.5±2mm | 57.5±2mm |
Notch | - | - | - | 1~1.25mm 89~95° | 1~1.25mm 89~95° |
S/D | 40/20 | 60/40 | 60/40 | 60/40 | 60/40 |
TTV | <1.5um | <5um | <5um | <5um | <5um |
PLTV | >95% | >95% | >95% | >95% | >95% |
Warp | <9um | <15um | <30um | <50um | <70um |
Bow | <9um | <15um | <30um | <40um | <60um |
Ra | <0.5nm | <1nm | <1nm | <1nm | <1nm |
Material | Single Crystal Quartz Blanks (Piezo / Optical grade) |
Crystal Chunk | Pure Z Bar,Pure Y Bar,Swept Quartz |
Synthetic Q-Value | Min 1.8×10^6, 2.4×10^6, 3.0×10^6 (IEC standards) |
Etch Channel Density (ECD) | 2/cm2,10/ cm2,30/ cm2,100/ cm2,300/cm2;Swept Quartz (IEC standards) |
Inclusions Density | Ia,Ib,I, II,III Grades (IEC standards) |
Cut Type (Orientation) | AT, BT, CT, ET, DT, GT, NT, FC, SC, IT, AC, BC, ST, TS, MT, NT RT, LC, etc. |
Angle Tolerance (±) | Theta Angle:±5″,±10″,±15″,±30″,±1′,±2′,etc. |
Phi Angle:±5′,±10′,±15′,±30′,etc. | |
Size For Round Blank | From 3.0mm to 50.80mm (with flat) / 2”, 3”, 4”, 5”, 6” and 8’’ (wafers) |
Size For Square Blank | 1.6×1.6mm ~ 41×48 mm or even larger size |
Size For SMD Blank | 1.2x2.4mm Above at Customer option |
Size Tolerance (±) | ±0.01 mm, ±0.005mm, ±0.0005mm, |
Frequency/ Thickness | 1 MHz up to 54Mhz for AT-Cut Fundamental; Up to 70Mhz by Etching |
Flat | Per requested (flat perpendicular to X axis within ±10 deg) |
Surface Finishing | #1000(9u); #2000(7u); #3000(5u); #4000(3u) (SiC); Polished(Cerium Oxide)& etched Std |
Overtone | Fundamental,Third Overtone (3rd),Fifth Overtone (5th) |
Contouring (°dioptric) | Plano-Convex: 0.5°dioptric~10°dioptric;Bi-Convex: 10°dioptric~15°dioptric |
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