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CY6412 Polycrystalline Silicon Wafer

Catalog No
CY6412
Purity
6N-7N, etc.
Form
Wafer
Diameter
6-inch, 8-inch, 12-inch

Polycrystalline Silicon Wafer consists of various crystal structures that form unpredictably during the cooling phase. Stanford Optics is dedicated to the research, development, and manufacturing of optical systems for the mid-wave infrared (MWIR) and long-wave infrared (LWIR) ranges.

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Polycrystalline Silicon Wafer
Polycrystalline Silicon Wafer
Description
Specifications
Reviews

Polycrystalline Silicon Wafer Description

In contrast to single-crystal silicon wafers, Polycrystalline Silicon Wafers are made up of several crystal structures that form randomly during cooling. This leads to surfaces with varied textures and colors, creating a patterned look. The production cost of multicrystalline silicon wafers is relatively low due to their simpler manufacturing process. However, their efficiency is slightly reduced compared to single-crystal silicon wafers, as their crystal structure is less organized. 

Polycrystalline Silicon Wafer Application

Polycrystalline Silicon Wafer Packing

Our Polycrystalline Silicon Wafer is carefully handled during storage and transportation to preserve the quality of our product in its original condition.

Specifications

Item

Theoretical Value

Purity

6N-7N, etc.

Form

Wafer

Diameter

6-inch, 8-inch, 12-inch

Thickness

200±20μm

Melting Point

1410℃

Boiling Point

2355℃

Resistivity

0.5~2Ω·cm

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FAQ
How is a Polycrystalline Silicon Wafer Made?

 Polycrystalline silicon wafers are produced by:

  • Melting high-purity polysilicon in a crucible.
  • Casting the molten silicon into a mold to form a polycrystalline ingot.
  • Slicing the ingot into thin wafers using a wire saw.
  • Polishing and cleaning the wafers for use in solar cells or other applications. Q2: How does an athermalized IR lens work?
What is the Difference Between Polycrystalline and Monocrystalline Silicon Wafers?
  • Polycrystalline Wafers: Made from multiple silicon crystals, less expensive, lower efficiency (15%-18% for solar cells), and have a bluish, speckled appearance.
  • Monocrystalline Wafers: Made from a single crystal of silicon, more expensive, higher efficiency (18%-22% for solar cells), and have a uniform, dark appearance.
What is the Lifespan of Polycrystalline Silicon Wafers in Solar Panels?

Solar panels made from polycrystalline silicon wafers typically have a lifespan of 25-30 years, with gradual efficiency degradation over time (around 0.5%-1% per year).

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