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China factory - Hangzhou Freqcontrol Electronic Technology Ltd.

Hangzhou Freqcontrol Electronic Technology Ltd.

  • China,Hangzhou ,Shanghai
  • Verified Supplier

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China 3 Inch Seedless Single Crystal Quartz Wafer AT-Cut Frequency Control Piezo Wafer
China 3 Inch Seedless Single Crystal Quartz Wafer AT-Cut Frequency Control Piezo Wafer

  1. China 3 Inch Seedless Single Crystal Quartz Wafer AT-Cut Frequency Control Piezo Wafer
  2. China 3 Inch Seedless Single Crystal Quartz Wafer AT-Cut Frequency Control Piezo Wafer

3 Inch Seedless Single Crystal Quartz Wafer AT-Cut Frequency Control Piezo Wafer

  1. MOQ: 5 pcs
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms T/T
Supply Ability 100000 pcs / Month
Delivery Time 1-4 weeks
Packaging Details Cassette / Jar, put in a carton with PE foam.
Product Single Crystal Quartz
Diameter 2inch, 3inch
Cut Angle AT, ST
Thickness 0.35mm, 0.5mm
Surface Double side polish
Application Resonators, Frequency control
Seed Seedless / Withseed
Grade SAW / Optical
Brand Name BonTek
Model Number Single Crystal Quartz
Certification ISO:9001
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 100000 pcs / Month
Delivery Time 1-4 weeks Packaging Details Cassette / Jar, put in a carton with PE foam.
Product Single Crystal Quartz Diameter 2inch, 3inch
Cut Angle AT, ST Thickness 0.35mm, 0.5mm
Surface Double side polish Application Resonators, Frequency control
Seed Seedless / Withseed Grade SAW / Optical
Brand Name BonTek Model Number Single Crystal Quartz
Certification ISO:9001 Place of Origin China
High Light Seedless Single Crystal Quartz Wafer0.5mm Piezo Wafer3 Inch Single Crystal Quartz Wafer

3 inch Seedless Single Crystal Quartz Wafer AT-Cut Frequency Control piezo wafer

 

The Quartz, a very important piezoelectric material, is raw material for making quartz crystal resonators. Its main feature is that its atoms or molecules are arranged regularly, which reflects the symmetry of the shape on a macroscopic scale. Under the action of an electric field, the crystal generates stress and deforms, thereby generating mechanical vibration and obtaining a specific frequency. Quartz crystal resonators are manufactured by using its inverse piezoelectric effect characteristics.

 

Single Crystal Quartz Material Properties
Purity Optical grade: 99.99%
Crystal Structure and lattice parameters

Hexagonal

a= 4.914 Å

c = 5.405 Å

Growth Method Hydrothermal method
Hardness 7.0 Mohs
Density 2.684 g/cm3
Melt Point 1610 deg C (phase transition point: 573.1 °C)
Specific heat 0.18 cal/g
Thermoelectric Constant 1200 mV / °C @ 300 °C
Thermal conductivity 0.0033 cal/cm/ °C
Thermal expansion coefficient, (CTE) (x10^-6/ K)

perpendicular to Z axis: 13.71

parallel to Z axis: 7.48

Refractive Index 1.544

Q value

Acoustic velocity, SAW Frequency constant, BAW Piezoelectric coupling,

1.8 x 10^6; 2.4 x 10^6, 3.0 x 10^6

3160 ( m/sec ) 1661 ( kHz/mm )

K2 (%) BAW: 0.65 SAW: 0.14

Inclusion IEC Grade II


 

Diameter 3”(76.2mm) 4”(100mm) 6”(150mm) 8”(200mm)
Thickness 0.08mm Min-up 0.10mm Min-up 0.20mm Min -up 0.35mm Min-
Primary Flat 22mm 32mm 42.5mm 57.5mm or notch
Surface LTV (5mmx5mm) <1.5µm TTV <1.5~3 µm
Bow -30<bow<30 Warp <40µm
Surface Type SSP / DSP Edge Criteria R=0.2mm or Bullnose
Polished side Ra <0.5nm or per requested Back Side Criteria 0.2-0.5µm or as customized

 

 

 

FAQs:

 

  1. Q: What are the products you mainly work on?

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.

 

  1. Q: Can you accept product customization?

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.

 

  1. Q: Can you deliver the goods via our courier agent?

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.

 

  1. Q: How can you guarantee we get what we want safely?

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.

 

  1. Q: Can we visit your factory?

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

 

  • The product is fragile. We have adequately packed it and labeled it fragile. We deliver through excellent domestic and international express companies to ensure transportation quality.

 

  • After receiving the goods, please handle with care and check whether the outer carton is in good condition. Carefully open the outer carton and check whether the packing boxes are in alignment. Take a picture before you take them out.

  • Please open the vacuum package in a clean room when the products are to be applied.

 

  • If the products are found damaged during courier, please take a picture or record a video immediately. DO NOT take the damaged products out of the packaging box! Contact us immediately and we will solve the problem well.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • 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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Get in touch with us

  • Reach Us
  • Hangzhou Freqcontrol Electronic Technology Ltd.
  • Room 1106, CIBC, No.198 Wuxing Rd, Hangzhou, P.R.China
  • MrXu
  • 0086 571 85803723
  • https://www.piezowafer.com/

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