Banknotes, documents, branded products, and sensitive goods like pharmaceuticals or technical components are often marked to distinguish them from imitations. However, some counterfeiters have learned to copy conventional fluorescent tags. In the journal Angewandte Chemie, Chinese scientists have now introduced a new, exceptional anti-counterfeit ink [...]
2017-10-30meta-author
PAM XIAMEN offers 6″FZ Prime Silicon Wafer-2
6″ Si wafer, Diameter 150mm, FZ Gas Dope, DSP, N(111), resistivity 5000-10,000Ωcm
PARAMETER
SPECIFICATION
GENERAL CHARACTERISTICS
1
Growth Method
FZ Gas Dope
2
Crystal Orientation
(111)
3
Conductivity Type
n
4
Dopant
Phosphorus.
5
Nominal Edge Exclusion
6 mm
ELECTRICAL CHARACTERISTICS
6
Resistivity
5000 – 10,000 Wcm
7
Life Time
>1500 µsec
CHEMICAL CHARACTERISTICS
8
Oxygen Concentrations
< 2xE16 at/cm3
9
Carbon Concentrations
< 2xE16 at/cm3
WAFER PREPARATION CHARACTERISTICS
10
Front Surface Condition
Polished, DSP
11
Edge [...]
2020-04-17meta-author
Solar Silicon Wafers
PAM XIAMEN offers Solar Silicon Wafers.
Limiting Efficiency
It has been well established that the limiting efficiency of single crystals falls at about 29% [Swanson] this limit was established in the seminal work by Tiedje. In figure 1 we can see this limiting efficiency [...]
2019-02-14meta-author
PAM XIAMEN offers 6″ FZ Silicon Ingot with Diameter 150.7±0.3mmØ
Silicon ingot, per SEMI, G 150.7±0.3mmØ
FZ p-type Si:B[110]±2.0°
Ro > 1,000 Ohmcm
Ground Ingot
NO Flats
NOTE: Oxygen<1E16/cc, Carbon<1E16/cc
MCC Lifetime>1,000µs
For more information, send us email at sales@powerwaywafer.com and powerwaymaterial@gmail.com
2020-06-10meta-author
PAM XIAMEN offers Ceramic ALN SUBSTRATE.
100X100 Thickness 1.0±0.03mm
Item
Unit
Value
Test Standard
1)Colour
—-
Gray
3.2
2)Density
g/cm³
≥3.33
GB/T 2413
3)Thermal Conductivity
20℃,W/(m·K)
≥170
GB/T 5598
4)Dielectric Constant
1MHz
8~10
GB/T 5594.4
5)Dielectric Strength
KV/mm
≥17
GB/T 5593
6)Flexural Strength
MPa
≥450
GB/T 5593
7)Camber
Length‰
≤2‰
8)Surface roughness Ra
μm
0.3~0.6
GB/T 6062
9)Water absorption
%
0
GB/T 3299-1996
10)Volume resistivity
20℃,Ω.cm
≥1013
GB/T 5594.5
11)Thermal expansivity
10-6/℃
20~300℃
2~3
GB/T5593
300~800℃
2.5~3.5
For more information, please visit our website: https://www.powerwaywafer.com,
send us email at sales@powerwaywafer.com and powerwaymaterial@gmail.com
Found in 1990, Xiamen [...]
2019-07-03meta-author
PAM XIAMEN offers 4″ Silicon Wafer.
Material
Orient.
Diam.
Thck
(μm)
Surf.
Resistivity
Ωcm
Comment
p-type Si:B
[110] ±0.5°
4″
500
P/E
FZ >10,000
Prime, TTV<5μm
p-type Si:B
[110] ±0.5°
4″
200
P/P
FZ 1-2
SEMI Prime
p-type Si:B
[110] ±0.5°
4″
200
P/P
FZ 1-2
Prime
p-type Si:B
[110] ±0.5°
4″
200
P/P
FZ 1-2
SEMI Prime, Extra 8 scratched wafers in cassette free of charge
p-type Si:B
[100]
4″
220 ±10
P/E
FZ >10,000
SEMI Prime
p-type Si:B
[100]
4″
230 ±10
P/E
FZ >10,000
SEMI Prime
p-type Si:B
[100-4° towards[110]] ±0.5°
4″
525
P/E
FZ >2,000
SEMI Prime, TTV<5μm
p-type Si:B
[100]
4″
450
P/P
FZ 1,000-2,000
SEMI Prime
p-type Si:B
[100]
4″
420
C/C
FZ 850-900
SEMI Prime
p-type Si:B
[100]
4″
200 ±10
P/P
FZ 100-120
SEMI Prime
p-type Si:B
[100]
4″
250
P/P
FZ 1-3 {0.97-1.01}
SEMI [...]
2019-03-05meta-author