Measurement of thickness profile and refractive index variation of a silicon wafer using the optical comb of a femtosecond pulse laser
We developed a method to measure the thickness profile and refractive index variation for silicon wafers based on a spectral-domain interferometry. Through a spectral [...]
PAM XIAMEN offers 2″ Silicon Wafer.
Diameter
Type
Dopant
Growth
method
Orientation
Resistivity
Thickness
Surface
Grade
50.8
P
Boron
CZ
-100
1-20
140-160
P/P
PRIME
50.8
P
Boron
FZ
-100
>1000
200-500
P/P
PRIME
50.8
P
Boron
FZ
-100
>3000
225-275
P/P
PRIME
50.8
P
Boron
CZ
-100
1-20
225-275
P/P
PRIME
50.8
P
Boron
CZ
-100
.001-.005
250-300
P/E
PRIME
50.8
P
Boron
CZ
-100
.005-.02
250-300
P/E
PRIME
50.8
P
Boron
FZ
-100
>3000
250-300
P/E
PRIME
50.8
P
Boron
CZ
-100
1-20
250-300
P/E
PRIME
50.8
P
Boron
CZ
-100
1-20
250-300
P/E/DTOx
PRIME
50.8
P
Boron
CZ
-100
1-20
250-300
P/E/Ni
PRIME
50.8
P
Boron
CZ
-100
1-20
250-300
P/E/OX
PRIME
50.8
P
Boron
CZ
-100
1-20
250-300
P/E/WTOx
50.8
P
Boron
CZ
-100
.001-.005
275-325
P/E
PRIME
50.8
P
Boron
CZ
-100
450-500
P/P
PRIME
50.8
P
Boron
FZ
-100
4000-10000
475-525
P/P
PRIME
50.8
P
Boron
CZ
-100
1-20
500-550
P/E
PRIME
50.8
P
Boron
CZ
-100
1-20
950-1000
P/P
PRIME
50.8
P
Boron
CZ
-100
1-20
1000-1050
P/E
PRIME
50.8
P
Boron
CZ
-111
1-20
225-275
P/P
PRIME
50.8
P
Boron
CZ
-111
1-20
250-300
P/E
PRIME
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 technologies, [...]
2019-02-27meta-author
PAM XIAMEN offers Thermal Oxide Wafers, 2 – 4″ Research Grade.
Thermal oxide or silicon dioxide layer is formed on bare silicon surface at temperature range from 900°C ~ 1200°C . Compared to CVD deposited oxide layer, thermal oxide has a higher uniformity, and [...]
2019-05-20meta-author
PAM XIAMEN offers SiO2 (single crystal quartz).
Single crystal quartz wafer is an excellent substrate for microwave filters for wireless communication industries.
Conversion from the three-index system to the four as [u ‘ v ‘ w ‘ ] —> [u v t w] is [...]
2019-05-15meta-author
PAM-XIAMEN can offer 2” InGaN/GaN quantum well blue laser diode wafer on sapphire or silicon substrate as follows. The blue GaN LD wafer for commercial applications illustrates the great potential of III-V epitaxial wafers.
1. Specification of 440-460nm Blue GaN LD wafer
PAM190909-GAN-LD
Item
Descriptions
Materials
Substrate
blue laser
440-460nm
InGaN
2 inch Sapphire substrate***
GaN Blue LD EPI Wafer Spec
Spec
LD Epitaxial Wafer Size
Growth
MOCVD
Diameter
50.8 ± 0.2 [...]
2018-08-22meta-author
Highlights
•
The temperature-dependent strengths of CVD ZnS were obtained.
•
The thermal shock behavior of infrared window was studied by finite element method.
•
Rapid heating thermal shock tests were conducted to validate the numerical results.
Abstract
The thermal shock failure has been recognized as one of key failure modes of [...]
2018-01-24meta-author