广州市海崴五金机电有限公司

Hemlock Semiconductor RESTRICTED

CUSTOMER CONFIDENTIAL
_____________________________________________________________________

Date of Issue: December 4, 2007

POLYSILICON SPECIFICATION & DESCRIPTION

PRODUCT CODE: HSC 990 Polycrystalline Silicon Non Clean Chunks

1. Description

Assortment of non-typical polysilicon production runs, including “burned” slim

rods, debarked “fuzz” layers, porous chunks, etc. which are sold for photovoltaic

applications only. Some degree of surface contamination exists on most of

pieces, and cleaning prior to use is highly recommended.

2. Analysis

BORON < 5.000 ppb atomic

DONOR < 15.000 ppb atomic

CARBON < 5.000 ppm atomic

3. Size Specification

6.0 – 175.0 mm

4. Certification

Bulk impurity specifications do not apply to this product. Hence no batch

warranty shall

be provided.

5. Package

Bulk package in fiber packs (Approx. net 150 kg/pack)

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