Basic Info.
Product Description
1. wafer diameter: (125 x 125)+/-0,4mm
2. dimensions tolerance: +/-0,4mm
3. thickness of wafer, measured in the center of wafer: 190+/- 10µm, =185 µm
4. ttv: not more than 25 µm
5. saw mark: =15 µm, invisible by eyes
6. camber: =30 µm
7. arc width departure(big and small angle): =2mm in 45°
8. surface quality: no crack, no obvious saw mark, without obvious tactility, no pit, no v type gap, no hole, no glue left, surface cleaned, no abnormal spot, no stain.
9. notch: not allowed
Company Profile
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Business Type: |
Jinglong group is the largest solar single crystal silicon base in the world and the largest wafer manufacturer in china. it had cooperated with "many well-known companies come from "japan, australia, hong kong, and more than 90% of products were exported |
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Comapany: |
Hebei jinglong i/e trade co.,ltd |
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Address: |
A1210 huahai universal plaza, xinhua road |
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City: |
Shijiazhuang |
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Zip/Postal: |
050051 |
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State: |
Hebei |
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Country: |
China |
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