Q:As to the wafer dicing – is it possible to get a non-rectangular dicing? such as 6mm x 8mm size?
A:No problem, any size is workable.
2018-06-19meta-author
Q:Our application will be making micro-pillar arrays based on the MQWs for high brightness LEDs and its wavelength tuning. So we do not really care the emission wavelength you provide but we will mind whether the process and emission wavelength would be consist between [...]
2018-06-19meta-author
Q:Do these 2” PSS LED wafers have the same epi-stack as the 4” PSS? If not, please send me the diagram with thicknesses. Wavelength can be same: central 455nm
A: the 2″ detail layer thickness and structure is same as 4″, no any difference. Wavelength:455nm+/-5nm [...]
2018-06-19meta-author
Q: Please let us know if you could supply below wafer, qty 25/50/300.
Gallium Arsenide wafers, P/P
150.00±0.25 mm) 6″Ø×650±25µm,
VGF SI undoped GaAs:-[100-2.0°towards[110]]±0.5°,
u > 4,000cm²/Vs,
Both-sides-polished, 1 Flat 57.5±2.5 mm @ 110±°1,
TTV<7µm, BOW<4µm, Warp<10µm, TIR<6µm,
Certificate: obligatory, Sealed under nitrogen in single wafer cassette
A: Yes, will check the [...]
2018-09-13meta-author
Q:Our application is for microwave annealing. Therefore, the silicon carbide must be able to absorb microwaves?
A:Since the dielectric constant of 6H and 4H are large, so if SiC wafer is as absorbing materials, mainly to achieve through the structure design of Electromagnetic match.I don’t [...]
2018-06-19meta-author
Q: Regarding blue LED epi wafer, after MOCVD, do you anneal the wafer for p-GaN activation?
A:Yes!
2018-06-19meta-author