As one of leading silicon carbide wafer manufacturers, PAM-XIAMEN offers you SiC substrate with 1mm or 2mm thickness. Silicon carbide (SiC) substrate is the cornerstone of the application of gallium nitride (GaN) and silicon carbide in the third generation of semiconductor materials. In recent years, [...]
2022-05-10meta-author
PAM XIAMEN offers Thermal Oxide Wafer in 2” ~ 4″ with research grade. Silicon oxide wafer from PAM-XIAMEN is a silicon dioxide film grown on the surface of the silicon wafer by means of oxygen or water vapor under high temperature (800℃~1150℃) conditions through atmospheric furnace tube equipment through [...]
2019-05-20meta-author
PAM-XIAMEN offers 2inch or 4inch red infrared AlGaAs / GaAs LED epi wafer with wavelength 850-880 nm and 890-910nm:
1. Red Infrared AlGaAs / GaAs LED Epi Wafer
PAM-190723-LED
Structure
Thickness, um
Type
Composition
CC, cm-3
Wide-gap window
1
р
AlхGa1-хAs (х=0,25-0,3)
(2-5) ∙1018
Barrier layer
0.06
р
AlхGa1-хAs (х=0,25-0,3)
(0.8-1) ∙1018
Active layer
–
GaAs
undoped
–
Al0,2Ga0,8As
Barrier layer
0.06
n
AlхGa1-хAs (х=0,25-0,3)
(0.5-1) ∙1017
Wide-gap window
6
n
AlхGa1-хAs
(1-2)∙1018
(х=0,3-0,35)
Stop layer
0.1
–
AlхGa1-хAs
–
(х=0,9-1)
Buffer layer
–
n
GaAs
–
Substrate
–
n+
GaAs
–
2. Where is the [...]
2020-05-18meta-author
A phenomenon commonly encountered in grinding of silicon wafers is the grinding marks, which are difficult to remove by subsequent polishing process, and have been a great obstacle to the manufacture of silicon wafers with higher flatness. In this paper, the grinding marks formation [...]
PAM XIAMEN offers 4″ Silicon Wafer.
Material
Orient.
Diam.
Thck
(μm)
Surf.
Resistivity
Ωcm
Comment
n-type Si:P
[111]
4″
1000
P/E
1-10
SEMI Prime
n-type Si:Sb
[111-4°]
4″
450
P/E
0.025-0.045
SEMI Prime
n-type Si:Sb
[111-2.5°]
4″
625
P/E
0.021-0.023
SEMI Prime
n-type Si:Sb
[111]
4″
525
P/E
0.016-0.020
SEMI Prime
n-type Si:Sb
[111-4°]
4″
525
P/E
0.010-0.020
SEMI Prime
n-type Si:Sb
[111-2°]
4″
380
P/E
0.008-0.018
SEMI Prime
n-type Si:Sb
[111-3°]
4″
400
P/E
0.008-0.018
SEMI Prime
n-type Si:Sb
[111-3°]
4″
400
P/E
0.005-0.018
SEMI Prime
n-type Si:As
[111-3°]
4″
400
P/E
0.001-0.005
SEMI Prime
n-type Si:As
[111-3°]
4″
400
P/E
0.001-0.005
SEMI Prime
n-type Si:As
[111-4°]
4″
525
P/E
0.001-0.005
SEMI Prime
n-type Si:As
[111-4°]
4″
525
P/E
0.001-0.005
SEMI Prime
n-type Si:As
[111-2.5°]
4″
525
P/E
0.001-0.005
SEMI Prime
n-type Si:As
[111-3°]
4″
525
P/E
0.001-0.005
SEMI Prime
Intrinsic Si:-
[100]
4″
525
P/E
400-1,000
SEMI Prime
For more information, please visit our website: https://www.powerwaywafer.com,
send us [...]
2019-03-06meta-author
PAM XIAMEN offers 4″CZ Prime Silicon Wafer Thickness 525 ± 25 µm.
PRIME WAFERS SILICIUM CZ
DIAMETER 4 inch (100mm+/-0.5mm)
ORIENTATION <1-0-0> +/-1°
THICKNESS : 525µm +/-25µm
SSP
TTV < 10µm – BOW < 40µm
FLAT : 32.5mm
TYPE P
RESISTIVITY : 8 – [...]
2019-07-04meta-author