Thanks to GaAs tunnel junction technology, we offer epi wafers of single-junction and dual-junction InGaP / GaAs solar cells, with different structures of epitaxial layers (AlGaAs, InGaP) grown on GaAs for solar cell application. And now we offer GaAs epi wafer with InGaP tunnel junction as [...]
PAM XIAMEN offers 2″ silicon wafers Thickness:1000 ±25μm.
2’’ silicon wafers
Ra < 4 nm
(100)
Thickness1000 ±25μm
Doped (no requirement for resistivity and type,
resistivity and type will be shown on test report when shipment)
2 sides polished
With flat (SEMI STD)
For [...]
2019-08-22meta-author
As one of 5G semiconductor manufacturers, Xiamen Powerway Advanced Material Co., Ltd. can offer compound semiconductor materials with unique advantages in the physical properties, and the 5g compound semiconductor market of PAM-XIAMEN is enlarging. The semiconductor materials have experienced three stages of development:
the first stage is group [...]
2021-05-06meta-author
PAM XIAMEN offers 4″ Silicon Wafer.
Material
Orient.
Diam.
Thck
(μm)
Surf.
Resistivity
Ωcm
Comment
p-type Si:B
[100]
4″
400
P/P
0.001-0.005
SEMI Prime
p-type Si:B
[100]
4″
500
P/P
0.001-0.005
SEMI Prime, Wafers with striation marks
p-type Si:B
[100]
4″
525
P/P
0.001-0.005
SEMI Prime, TTV<5μm, Bow<15μm, Warp<30μm
p-type Si:B
[100]
4″
525
P/E
0.001-0.002
SEMI Prime, TTV<4μm
p-type Si:B
[100]
4″
525
P/E
0.001-0.005
SEMI Prime, TTV<5μm
p-type Si:B
[100]
4″
525
BROKEN
0.001-0.005
Broken wafer (shattered into many pieces)
p-type Si:B
[100]
4″
800
C/C
0.001-0.005
SEMI, With striation marks
p-type Si:B
[100]
4″
?
P/P
SEMI Test
p-type Si:B
[100]
4″
375
P/E
<0.0015 {0.00091-0.00099}
SEMI Prime, TTV<3μm
p-type Si:B
[111]
4″
350
P/E
2-3
Prime, NO Flats
p-type Si:B
[111]
4″
1000
P/P
1-10
SEMI Prime, Cassettes of 10 [...]
2019-03-05meta-author
PAM XIAMEN offers test grade silicon wafers
Below is just a short list of the test grade silicon substrates!
Inches
Cust class
Dopant
Type
Orientation
PFL length
PFL direction
SFL
Off orientation
Resistivity
Diameter
Thickness
Bow
TTV
Warp
6
DSP
Phosphorus
N
100
57,5 ± 2,5
110 ± 0,50
0.0 ± 0.25 °
1.5 ± 0.5 Ohmcm
150 ± 0.5 mm
280 ± 2.5 µm
30
1,25
30
6
DSP
Phosphorus
N
100
57,5 ± 2,5
110 ± 0,20
0.0 ± 0.5°
1-4 Ohmcm
150 [...]
2019-02-25meta-author
PAM XIAMEN offers IV, III–V and II–VI compound semiconductors.
There are many III–V and II–VI compound semiconductors with high bandgaps. The only high bandgap materials in group IV are Diamond and Silicon Carbide (SiC).
Aluminum Nitride (AlN) can be used to fabricate ultraviolet LEDs with wavelengths [...]
2019-03-21meta-author