Payment Terms | T/T |
Supply Ability | 20000 pcs/Month |
Delivery Time | 1-4 weeks |
Packaging Details | Cassette/ Jar package, vaccum sealed |
Material | Fused Silica Wafer |
Brand | Schott, Corning, Ohara, Heraeus |
Dia. | 76.2mm, 100mm, 150mm |
Thickness | 0.375mm, 0.525mm, 0.675mm |
Warp | <40um, <70um |
BOW | ±30um, ±40um |
TTV | <5um, <10um |
Roughness Ra | Ra<1nm |
Brand Name | BonTek |
Model Number | Fused Silica, Fused Quartz |
Certification | ISO:9001, ISO:14001 |
Place of Origin | China |
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Product Specification
Payment Terms | T/T | Supply Ability | 20000 pcs/Month |
Delivery Time | 1-4 weeks | Packaging Details | Cassette/ Jar package, vaccum sealed |
Material | Fused Silica Wafer | Brand | Schott, Corning, Ohara, Heraeus |
Dia. | 76.2mm, 100mm, 150mm | Thickness | 0.375mm, 0.525mm, 0.675mm |
Warp | <40um, <70um | BOW | ±30um, ±40um |
TTV | <5um, <10um | Roughness Ra | Ra<1nm |
Brand Name | BonTek | Model Number | Fused Silica, Fused Quartz |
Certification | ISO:9001, ISO:14001 | Place of Origin | China |
High Light | 200mm Fused Silica Wafer ,76.2mm quartz wafers substrates ,Fused Silica Wafer Borosilicate |
Φ150mm 200mm Fused Silica Wafer Borosilicate Customized Thickness with Flat or Notch Edge ground
BonTek works a lot with fused silica, fused quartz, borosilicate, and soda lime glass materials. The glass are used as displaying glass, optical windows or as bonding wafers in semiconductor industry. The brand we work on are Feilihua (JGS1, JGS2, JGS3), Corning (7979, 7980, Eagle XG, Gorilla), Schott (BF33, Pyrex, MEMpax, B270, D263T, Zerodur), Ohara (SK1300), Heraeus, GM (H-K9L) etc.
We can fabricate the glass materials into 5mm - 400mm diameter wafers or square plates. The thickness can be very thin, such as 4-inch diameter with 0.1mm thickness. The wafers/blanks are with high surface quality ensured by our in house test machines, such as FlatMaster for TTV, Bow, Warp, automatic interferometer for Ra and particle test.
Spec | 6" | 8" |
Diameter (or square) | 150mm | 200mm |
Tolerance | ±0.2 | ±0.2 |
Thickness | 0.30mm | 0.40mm |
or more | or more | |
Primary reference flat | 47.5mm | Semi-notch |
LTV (5mmx5mm) | < 0.5um | < 0.5um |
TTV | < 3um | <3um |
Bow | ±30um | ±40um |
Warp | ≤ 40um | ≤ 70um |
Edge Rounding | Compliant with SEMI M1.2 Standard/refer to IEC62276 | |
Surface Type | Single Side Polished /Double Sides Polished | |
Polished side Ra | ≤1nm | |
Back Side Criteria | general 0.2-0.7um or customized |
SCHOTT | Borofloat33 / BK7 / B270 / D263 etc. |
CORNING | Eagle XG, Fused Silica 7980 / 7978 / 7979 etc. |
Feilihua | Fused Silica JGS1 / JGS2 & Single quartz etc. |
OHARA | SK-1300, SK-1310 |
GM | H-K9L / Soda Lime etc. |
Material | BOROFLOAT 33 |
Density (@ 25°C/77°F) | 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 (nd) | 1.472 |
Dispersion (nF - nC) | 71.9 x 10-4 |
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
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
1999
Total Annual:
800M-1500M
Employee Number:
10~99
Ecer Certification:
Verified Supplier
Founded in 1999, Hangzhou Freqcontrol Electronic Technology Ltd. is a China leading manufacturer of piezoelectric crystal wafers, substrates, components and single crystal growth. We, known as the "CQT Group" in global market, headquartered in Hangzhou, China, empowered by its manufacturin... Founded in 1999, Hangzhou Freqcontrol Electronic Technology Ltd. is a China leading manufacturer of piezoelectric crystal wafers, substrates, components and single crystal growth. We, known as the "CQT Group" in global market, headquartered in Hangzhou, China, empowered by its manufacturin...
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