PAM XIAMEN offers 4″Prime Silicon Wafer with double side lapping
4″ CZ crystal Si wafer
N type doped P
Orientation<111>
Resistivity 12-15Ωcm
Thickness 205-220μm
Prime Flat32.5±2.5mm
no need for DSP, just double side lapping
For more information, please visit our website: https://www.powerwaywafer.com,
send us email [...]
2019-07-02meta-author
PAM-XIAMEN offers 10*10mm2 undoped Freestanding GaN Substrate:
1. Specification of Undoped Freestanding GaN Wafer
Item
PAM-FS-GaN-50-U
Dimension
10 x 10.5 mm2
Thickness
380+/-50um
Orientation
C plane (0001) off angle toward M-axis 0.35 ±0.15°
Conduction Type
N-type / Undoped
Resistivity (300K)
< 0.1 Ω·cm
TTV
≤ 10 µm
BOW
BOW ≤ 10 µm
Surface Roughness:
Front side: Ra<0.2nm, epi-ready;
Back side: Fine Ground or polished.
Dislocation Density
≤ 5x 106 cm-2 (calculated by CL)*
Macro Defect Density
0 cm-2
Useable Area
> 90% (edge exclusion)
Package
each in single wafer container, under nitrogen atmosphere, packed in class 100 clean room
2. Standard Method for Testing Surface Roughness of Undoped Gallium [...]
2020-08-14meta-author
Low temperature grown (LTG) gallium arsenide (GaAs) thin-film on GaAs substrate is available for photodetctors and photomixers. In addition, we can supply gaas epi wafer, for more GaAs thin film wafer please view https://www.powerwaywafer.com/gaas-wafers/gaas-epiwafer.html. LTG-GaAs is GaAs grown at a low temperature of 250-300 [...]
2022-08-12meta-author
GaAs(111) crystal wafer
PAM XIAMEN offers n type/Si doped, undoped, and p type GaAs(111) crystal wafer:
1.Wafer List
GaAs ,Growing Method: VGF (111)A , SI, undoped, 2″ dia x 0.5 mm, 1 sp
GaAs ,Growing Method: VGF (111)A , SI, undoped, 4″ dia x 0.55 mm, 1 [...]
2019-04-22meta-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
PAM XIAMEN offers 4″FZ Prime Silicon Wafer.
Silicon wafers, per SEMI Prime, P/E 4″Ø×525±25μm,
FZ Intrinsic undoped Si:-[111]±0.5°, Ro > 10,000 Ohmcm,
TTV<5μm, Bow<20μm, Warp<30μm,
One-side-Epi-Ready-polished, back-side etched, SEMI Flats,
Sealed in Empak or equivalent cassette,
MCC Lifetime>1,000μs.
For more information, please visit our [...]
2019-07-04meta-author