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3 Inch To 8 Inch Piezoelectric Wafer

Hangzhou Freqcontrol Electronic Technology Ltd.

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Address: Room 1106, CIBC, No.198 Wuxing Rd, Hangzhou, P.R.China

Contact name:Xu

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Hangzhou Freqcontrol Electronic Technology Ltd.

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3 Inch To 8 Inch Piezoelectric Wafer

Country/Region china
City & Province hangzhou shanghai
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Product Details

3 inch to 8 inch Piezoelectric Wafer with Laser Marking for Surface Acoustic Wave Use

 

The piezoelectric effect, discovered in 1880 by Pierre and Jacques Curie, remained a mere curiosity until the 1940s. The property of certain crystals to exhibit electrical charges under mechanical loading was of no practical use until very high input impedance amplifiers enabled engineers to amplify the signals produced by these crystals. In the 1950s, electrometer tubes of sufficient quality became available and the piezoelectric effect was commercialized.

 

BonTek grows crystal and fabricate wafers, we are piezoelectric specialist. We work mostly with wafers, blanks, substrates made from Quartz Crystal, Lithium Niobate, Lithium Tantalate, Fluoride, Glass etc.

 

Specially, we are capable of fabricating these materials into LARGE and THIN wafers/blanks conform to SEMI-std. 3" 4" 6" 8" 12" are all available as per requirement, and we can polish to 0.1mm for 4" quartz wafers; 0.35mm for 12" wafers. In addition, we possess Corning Flatmaster 200 Profiler and laser marking equipment, which allows us to provide graphics of TTV, BOW, WARP and to print marks on the wafers.

 

 

Crystal

Lithium NiobateLithium TantalateQuartz Crystal

Diameter

3’’, 4’’, 6’’, 8’’3’’, 4’’, 6’’3’’, 4’’, 5’’, 6’’, 8’’

Orientation

X / Y /

Y41 / Y64/Y128

X / X112 / YZ

Y28 / Y36 / Y42

X / Y / Z

Y36 / Y42.75

Surface

Single / Double sides polish (SSP/DSP)

Thickness

0.08mm / 0.25mm / 0.35mm / 0.50mm / 1.00mm / 2.00mm

LTV (5mmx5mm)

< 1.5um

PLTV

>98% (5mm*5mm)

TTV

< 5um

Bow

-25um < bow < +25um

Warp

< 35um

Curie Temp

1142℃ ± 2℃605℃ ± 2℃573℃

Edge

CompI’ t with SEMI M1.2 @ with GC#1000

Flat

22±2mm, 32.5±2mm, 47.5±2mm, 57.5±2mm, Notch

As per request

Doping

Er, MgOFewith or without seed

Front Side

Roughness Ra<= 10A

Back Criteria

Roughness Ra: 0.5--1.0um GC#1000

Contamination

Particles @ >0.3 micron

Appearance

Cracks, saw marks, stains: None

Single Domian

Completed Polarization / ReducedNo Stress

 

 

 

 

 

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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