Highly selective PEC etching of gallium nitride device structures
Photoelectrochemical (PEC) wet etching is an attractive wet etch approach for III-Nitride materials. Compared to dry etch techniques normally applied in prevalent GaN device fabrications, PEC wet etching can provide low damage, selective etching and understanding [...]
2013-03-05meta-author
PAM XIAMEN offers 4″Silicon Ignot.
Silicon ingot, per SEMI, G 4″Ø (Diameter 100.5±0.3mm),
FZ Intrinsic undoped Si:-[100]±0.5°, Ro > 20,000 Ohmcm,
Ground Ingot, NO Flats. Lifetime>1,000us,
Ox/Carbon <1E16/cc.
For more information, please visit our website: https://www.powerwaywafer.com,
send us email at sales@powerwaywafer.com and powerwaymaterial@gmail.com
Found [...]
2019-07-05meta-author
808nm laser diode wafer is offered by PAM-XIAMEN on N-type GaAs substrate. According to the material used in the active area, the LD wafer is mainly divided into two kinds with aluminum and without aluminum. More details please see below:
1. Laser Diode Wafer Specs
No. 1 808nm Epi Wafer [...]
2019-03-13meta-author
PAM XIAMEN offers 2″ FZ Intrinsic Silicon Wafer
Silicon, 2″ Intrinsic
Orientation <100>,
Resistivity >10,000Ωcm,
Thickness 280±10um, DSP,
TTV<5um, Bow/Warp<30um,
2 SEMI Flats, Prime Grade,
Particle @0.3µm, <20 count
Good surface quality for Thermal Oxide growth
For more information, send us email at sales@powerwaywafer.com and powerwaymaterial@gmail.com
2021-03-17meta-author
PAM XIAMEN offers 3″ Silicon Wafer.
Material
Orient.
Diam.
Thck
(μm)
Surf.
Resistivity
Ωcm
Comment
n-type Si:P
[100]
3″
1800
P/P
1-5
SEMI Prime, Individual cst
n-type Si:P
[100]
3″
5000
P/E
1-30
Prime, NO Flats, Individual cst
n-type Si:Sb
[100]
3″
800
P/E
0.022-0.028
SEMI Prime
n-type Si:Sb
[100]
3″
380
P/E
0.021-0.023
SEMI Prime
n-type Si:Sb
[100]
3″
500
P/E
0.021-0.022
SEMI Prime
n-type Si:As
[100]
3″
1000
P/E
0.001-0.005
SEMI Prime
n-type Si:P
[211]
3″
450
P/P
50-65
SEMI Prime
n-type Si:P
[111-4°]
3″
250
P/E
50-220
Prime, NO Flatst
n-type Si:P
[111]
3″
10000
P/E
20-60
SEMI Prime, Individual cst
n-type Si:P
[111-3°]
3″
380
P/E
19-25
SEMI Prime
n-type Si:P
[111-0.5° towards[110]] ±0.25°
3″
1400
P/E
>5
SEMI Prime, hard cst, LaserMark
n-type Si:P
[111]
3″
6000
P/E
5-10
SEMI Prime, Individual cst
n-type Si:P
[111]
3″
525
P/E
4.5-5.0
SEMI Prime
n-type Si:P
[111]
3″
500
P/P
4-6
Prime, NO [...]
2019-03-06meta-author
Analyses of Five Major LED Manufacturers Vertical Integration Strategies (Part 1)
Upheld as the classical business models in the LED industry, Dutch lighting giant Philips and leading German lighting manufacturer Osram business models have been the most discussed among market insiders. The two European companies vertical integration [...]
2016-05-04meta-author