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Black Pyroelectric Free LiNbO3 Wafer 8 Inch 128Y-cut SAW IDT Application

Hangzhou Freqcontrol Electronic Technology Ltd.

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Black Pyroelectric Free LiNbO3 Wafer 8 Inch 128Y-cut SAW IDT Application

Country/Region china
City & Province hangzhou shanghai
Categories Screen Protectors
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Product Details

Black Pyroelectric Free LiNbO3 Wafer 8 Inch 128Y-cut SAW IDT Application

 

Lithium Niobate (LiNbO3) is a ferroelectric material suitable for a variety of applications. Its versatility is made possible by the excellent electro-optic, nonlinear, and piezoelectric properties of the intrinsic material.

 

The reduction technique is used to produce black lithium niobate (LiNbO3), which has a high ability to neutralize charges even if the electric potential occurs instantaneously. The pyroelectric effect of LN wafer is almost eliminated and the transmittance is significantly reduced. The piezoelectric properties of black lithium niobate wafers are no different from those of standard wafers. Therefore, black reduced lithium niobate wafers are widely used to produce higher frequency surface acoustic wave devices.

 

BonTek is proud to announce that we can offer 3 ", 4 ", and 6 "black LN wafers for all cutting angles! Used for 128°Y and Z-cuts up to 8 inches in diameter.

 

 

Material

3" 4" 6" 8" LN wafer Saw/Optical grade

Orientation

X/Z/Y41°/Y64°/Y128°/YZ/YX or Customized

Curie Temp

1142°C±3°C

Reduction

Standard Black - 0.9E+11 ~ 9.0E+11

Super Black - 1.0E+10 ~ 9.0E+10

Surface finish

single or double sides polish

(DLP/SLP/ SSP/DSP all available)

Thickness

0.18/0.25/0.35/0.50/1.00 + mm

TTV

< 1~5µm

BOW

± (25µm ~40um )

Warp

<= 35µm

LTV (5mmx5mm)

<1.5 um

PLTV(<0.5um)

98% (5mm*5mm)  with 2mm edge excluded

Edge

Compl't with SEMI M1.2@with GC800#  .regular at C typed

Orientation flats

available, per request

Polished side Ra

Roughness Ra<=5A

Back Side Criteria

Roughness Ra:0.5-1.0µm GC#1000

Edge Rounding

Compliant with SEMI M1.2 Standard/refer to IEC62276

Cracks, saw marks, stains

None

 

Melting Point

1253° C

Crystal System

Trigonal

Point Group

3m

Crystal Density

4.647 x 10³ kg / m³

Curie Temperature (Tc)

1150°C

Heat Capacity (Cp)

89 J / k.mol

Dielectric Constants

T11=85.2

T33=28.7

Elastic Constants

CE11=2.03 x 1011 N / m2

CE12=0.573

CE13=0.752

CE14=0.085

CE33=2.424

CE44=0.595

Piezoelectric Strain

Constants

e15=3.7 C / m2

e22=2.5

e31=0.23

e33=1.33

 

 

 

 

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.

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