LED manufacturer Lextar Electronics claims to be the first LED maker in Taiwan to demonstrate blue-light emission from a processed 6-inch-diameter LED wafer.
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2012-05-21meta-author
Osram Laboratory Reports 142 lm/W Efficiency Record for Warm White LED Light Source
March 15, 2011…Osram Opto Semiconductors reports that it has set a new laboratory record of 142 lm/W for the efficiency of a warm white LED light source. The LED with a correlated [...]
2012-03-06meta-author
Antireflection-Coated Blue GaN Laser Diodes in an External Cavity and Doppler-Free Indium Absorption Spectroscopy
Commercially available GaN-based laser diodes were antireflection coated in our laboratory and operated in an external cavity in a Littrow configuration. A total tuning range of typically 4 nm and an [...]
2013-04-01meta-author
PAM XIAMEN offers PbWO4 single crystal substrate.
PbWO4 single crystal substrate ,random orientation, 5 x 3 x 0.45mm,Single side polished
PbWO4 single crystal substrate ,random orientation, 5 x 5 x 0.45mm,Single side polished
PbWO4 (001) single crystal substrate 10x10x0.5mm,2sp
PbWO4 single crystal substrate , [...]
2019-05-14meta-author
PAM XIAMEN offers 3″ Silicon Wafer-16 as follows, while silicon wafer list includes, but not limited to the following.
3″ Si wafer, R≤100Ωcm
1. Diameter: 76.2 ± 0.1mm
2. The type of alloying: P/type boron
3. Orientation (111) ±0.5º
4. Disorientation 4°±0.5º to <110> direction
5. Resistivity: ≤100Ωcm
6. Primary surface: [...]
2019-11-20meta-author
Silicon Carbide Circuits on the Way
Although silicon is the semiconducting material of choice in the majority of applications in electronics, its performance is poor where large currents at high voltages have to be controlled. For about 50 years, scientists have been eyeing silicon carbide [...]