PAM XIAMEN offers Silver Single Crystal & Substrate.
PAM XIAMEN grows Silver single crystal along <111> direction up to 20 mm diameter by Modified Bridgeman method. The silver single crystal substrate is cut from the Ag ingot and polished to 30A surface roughness.
PAM [...]
2019-05-08meta-author
PAM XIAMEN offers LD Bare Bar for 880nm@cavity 2mm.
Brand: PAM-XIAMEN
Wavelength: 880nm
Filling Factor: 30%
Output Power: 80W
Cavity Length:2mm
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., [...]
2019-05-09meta-author
PAM-XIAMEN can offer AlGaAs / GaAs p-HEMT (pseudomorphic high electron mobility transistor) heterostructure epitaxial wafer grown by MBE or MOCVD process. The heterostructure has a high-mobility conduction channel formed by two-dimensional electron gas, which is an ideal material for wireless applications. The line width [...]
2021-12-07meta-author
GaAs quantum well VCSEL wafer with an emission wavelength of 808nm is available for optical pumping. VCSEL (Vertical Cavity Surface Emitting Laser) is developed on the basis of gallium arsenide semiconductor materials. The VCSEL fabrication of devices has the advantages of small size, small [...]
2021-07-19meta-author
GaN Epitaxial Technology
GaN technology today is important technology player- Gallium Nitride on Silicon Carbide (GaN on SiC), Gallium Nitride on Silicon (GaN on Si) and Gallium Nitride on Sapphire (GaN on Sapphire). They are used in LED, RF and microwave devices. We can see [...]
Abstract
Advanced characterisation plays an important role for further improvements of the cost effectiveness ($/Wp) of solar cells. This paper presents an overview of advanced characterisation techniques that are presently being used for the analysis of silicon wafer solar cells, either in the laboratory or in the [...]