Polycrystalline/ Multiple Solar Silicon Wafer156*156, Solar Wafers

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Shanghai Port
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TT or LC
Min Order Qty:
100 Pieces PCS
Supply Capability:
700MW/Per Year PCS/month

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Product Description:

Specifications of Polycrystalline Silicon Wafer

Format : 156 mm × 156 mm ± 0.5 mm                                          

Thickness : 200μm ± 10 μm

Product name

 Poly Wafer
 Conductive type   P Type
Square size wafer (mm)

Corner (mm)


Total thickness(um)  ≤40 
Resistivity ranges(Ωcm)  1-3
Doping elements  boron
Carbon content(atoms/cc)  ≤8*1017
Oxygen content(atoms/cc)  ≤1*1018
 Lifetime(μs)  ≥2 
  Surface quality

No crack, gap, missing Angle, perforated, window, microcrystalline
Warping degrees(μm)  ≤50 
  Neighbouring vertical degree

Side damage(mm)      ≤0.5mm(length)×0.3mm(width),(not more than 2 per wafer)
Line mark(μm)  ≤15


Usage and Applications of Poly Wafers

Poly Solar Wafers mainly used in Poly Solar Cells, with high efficiency and reliable quality. Our Wafer can promise the 25 years life span and have passed PID test.


Packaging & Delivery of Poly Wafers

Carton Box Package and Deliver by air


Factory Picture of Poly Wafers



 Solar Wafers


Package Picture of Poly Wafers

 Solar Wafers

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Q:What is a semiconductor silicon device tester
First of all the circuit insulator carrier plays a supporting role in the insulation layer of the circuit is called the substrate (like P type semiconductor) to participate in the work of the collection circuit to take the CMOS process Nmos substrate are connected with the substrate
Q:Is solar silicon wafer often harmful to the body?
. The main materials used in solar cells, such as single crystal silicon wafers, metal products, silver electrodes, etc., are harmless to the human body. Immature production process may lead to harmful gases such as dust, light and heat electromagnetic radiation, noise, etc..
Q:How to detect the surface finish of photovoltaic silicon wafers, what equipment?
Do you want to check the surface roughness or do you want to clean it? These two are not the same,
Q:The microprocessor integrates the computer with what is on a small silicon chip
The controller (English Name: controller) is a master device in accordance with the resistance change circuit wiring and a predetermined sequence change or control circuit to control the value of motor starting, speed control, braking and reverse.It consists of the program counter, the instruction register, the instruction decoder, the timing generator and the operation controller. It is the "decision making mechanism", which is to coordinate and direct the operation of the whole computer system.
Q:Wafer cutting will appear thick sheet, I would like to ask what the reasons are
Solving measures:A. guide slot check slot is uniform, and to compensate for the loss according to the situation of the slot wheel.When the A. is set to zero, the position of the guide line is controlled.B. standard viscose operation. When the surface of the silicon block is bonded with the guide bar, the utility model can be used to check whether the guide strip is bent, and whether the glue is evenly applied, so that there is no gap between the guide strip and the silicon block after the bonding guide strip is arranged.In the process of using the C. guide wheel, the utility model is used to detect the guide groove of the guide wheel on a regular basis, and the depth and the angle of the guide groove are observed.
Q:Silicon wafer cleaning after the two sides of the upper and lower grille also has a basket of flowers (Bai Yin)
The occurrence of a single crystal is more obvious, other companies have, this would like to find a solution to find a more proficient in the industry to clean up engineers
Q:How to make the photoresist and silicon substrate adhesion better
By the way, if there is a reflection of the bottom, then you need to coat a layer of BARC, and then at coat PR.Hope can help you.
Q:How to do on the silicon wafer
The general use of ultrasonic and pre cleaning (pickling) can be solved
Q:What is a silicon wafer for unidirectional and bidirectional cutting? What is the difference between the two?
Bidirectional cutting line cutting, (1) from the line wheel line network and enter the waste wire wheel (2) after a certain length reverse line wheel released by the waste reverse into the line network into the line wheel (3) repeat from the line wheel into the wire and into the process of waste wire wheelBut the length of 1 is greater than 2
Q:What is the meaning of a cleaning in a semiconductor silicon wafer process? RCA?
RCA cleaning is to use the RCA method to clean.RCA is a typical and commonly used wet chemical cleaning method:
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