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CR AU Coating Lithium Tantalate Crystals Piezoelectric Effect Crystals

Hangzhou Freqcontrol Electronic Technology Ltd.

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CR AU Coating Lithium Tantalate Crystals Piezoelectric Effect Crystals

Country/Region china
City & Province hangzhou shanghai
Categories Other Chemicals
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Product Details

CR AU Coating Lithium Tantalate Piezoelectric Effect Crystals Customization Available

 

Lithium tantalate (LiTaO3) is a perovskite which possesses unique optical, piezoelectric and pyroelectric properties which make it valuable for nonlinear optics, passive infrared sensorssuch as motion detectors, terahertz generation and detection, surface acoustic waveapplications, cell phones and possibly pyroelectric nuclear fusion.

 

 

Material

Ltihium Tantalate (LT) Wafer

Diameter

3inch

4inch

6inch

76.2mm

100mm

150mm

S/D

20/10

20/10

20/10

TTV

<3um

<3um

<5um

PLTV

>95%

>95%

>95%

Warp

<20um

<40um

<50um

BOW

<20um

<30um

<30um

Roughness

Ra<0.5nm

Ra<0.5nm

Ra<0.5nm

Reduction

Standard White
Black Reduced

Standard White
Black Reduced

Standard White
Black Reduced

Doping

Fe doped
Yellow Black

Fe doped
Yellow Black

Fe doped
Yellow Black

 

Properties

LiTaO3 (LT)

Crystal Structure

Trigonal,a = 5.154, c = 13.784Å

Melting Point

1650℃

Curie Temperature

607℃

Transmission Range

400 – 5000 nm

Absorption edge

270nm

Absorption loss

< 0.15 %/cm @ 1064 nm

Refractive Index

no=2.176,ne=2.180(at 0.633 µm)

no=2.131,ne=2.134(at 1.2 µm)

Density

7.45g/cm3

Thermal Conductivity

8.78x 10-7 m2/sec

Optical homogeneity

~10-5

Hardness (Mohs)

5

 

 

 

 

 

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.

 

 

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.

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