Sincemat -- Product --Tungsten

Supplier: Sincemat Co.,Ltd.
Supplier’s job No: inspector 1              Date: Nov.12, 2007
                                                         P.O.No.: 17419
Name of Materials: Tungsten Target     Surface: Up to grade
Size: 0.290” x 1.688” x 2.898”              Quantity: 3 pcs
Lot No.: W271112                               Material Certificates: EN 10204- 3.1B

1. Chemical Analysis ( % )
Element Analysis Result
Fe                      0.0050
Al                       0.0003
Si                       0.0007
Mg                      0.0003
Mn                      0.0004
Ni                       0.0004
As                      0.0007
Pb                      0.0001
Bi                       0.0001
Sn                      0.0001
Sb                      0.0003
Cu                      0.0001
Ca                      0.0006
Mo                      0.0007
K+Na                  0.0020
P                        0.0005
C                        0.0080
N                        0.0010
O                        0.0050
Cd                      0.0001
S                        0.0005
Cr                      0.0004
V                        0.0003
Ti                        0.0003
Co                      0.0003
W                       99.95% min.