In this study, we reformulated the problem of wafer probe operation in semiconductor manufacturing to consider a probe machine (PM) which has a discrete Weibull shift distribution with a nondecreasing failure rate. To maintain the imperfect PM during the probing of a lot of [...]
PAM XIAMEN offers 450mm Silicon Wafers.
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 Powerway Advanced Material Co., Ltd (PAM-XIAMEN) is a leading manufacturer of semiconductor material in China. PAM-XIAMEN develops advanced crystal growth and epitaxy [...]
2019-02-20meta-author
PAM-XIAMEN offers (20-21) Plane U-GaN Freestanding GaN Substrate
Item
PAM-FS-GAN(20-21)-U
Dimension
5 x 10 mm2 or 5 x 20 mm2
Thickness
380+/-50um
Orientation
(20-21)/(20-2-1) plane off angle toward A-axis 0 ±0.5°
(20-21)/(20-2-1) plane off angle toward C-axis -1 ±0.2°
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
≤5 x 106 cm-2
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
For more information, please contact us email at victorchan@powerwaywafer.com and powerwaymaterial@gmail.com
2020-08-20meta-author
PAM XIAMEN offers 4″CZ Prime Silicon Wafer-7
GG27b Silicon wafers, per SEMI Prime, P/E 4″Ø×500±25μm,
FZ Intrinsic undoped Si:-[100]±0.5°, Ro=(5,000-10,000)Ohmcm,
One-side-polished, back-side Alkaline etched, SEMI Flat (one),
Sealed in Empak or equivalent cassette,
MCC Lifetime>1,000μs.
For more information, send us email at sales@powerwaywafer.com and powerwaymaterial@gmail.com
2020-03-25meta-author
PAM XIAMEN offers Stainless Steel Substrate ( Polycrystaline) .
Stainless Steel Substrate: 1″ Dia x 0.3 mm, as cold rolling
Substrate dimension: 25.4 diameter x 0.3 mm thickness, ( 1″ Dia. x0.3 mm)
Properties
Yield Strength:(N/mm2)≥205
Tensile strength :≥520
Elogation: (%)≥40
Density : 7.93 g·cm-3
Resistivity: 0.73 Ω·mm2·m-1 [...]
2019-04-19meta-author
PAM XIAMEN offers LaSrAlO4 Strontium Lanthanum Aluminate Crystal Substrates.
Main Parameters
Crystal structure
M4
Growth method
Czochralski method
Unit cell constant
a=3.756Å c=12.63 Å
Melt point(℃)
1650
Density
5.92(g/cm3)
Hardness
6-6.5(mohs)
Dielectric constants
ε=16.8
Size
10×3,10×5,10×10,15×15,20×15,20×20
Ф15, [...]
2019-03-14meta-author