Q:We want to know the refractive index of these SiC wafers?

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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 wafers in one pack as well as the uniformity in one wafer. No metal contact would be perfect as we will employ high temperature process in our application. Do you offer the wafer dicing service as well?

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:Our application is for microwave annealing. Therefore, the silicon carbide must be able to absorb microwaves?

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:The ideal waverlength for us is 465 nm, can you offer?.

Q:The ideal waverlength for us is 465 nm, can you offer?. A:It is no problem, but you should know the wavelength should be a range, what we will offer you 465+/-2nm.

2018-06-19meta-author
Q We actually want to check our reflectance (mirror type) measurement method on an LED structure on a PSS wafer. Would it be possible to get the same LED structure on both a PSS wafer and a single-side polished wafer so we can compare the two directly?

Q We actually want to check our reflectance (mirror type) measurement method on an LED structure on a PSS wafer.  Would it be possible to get the same LED structure on both a PSS wafer and a single-side polished wafer so we can compare [...]

2018-06-19meta-author
Q: Regarding your red LED epiwafers, what about the top layer or cap layer on the epiwafer structure?

Q: Regarding your red LED epiwafers, what about the top layer or cap layer on the epiwafer structure?   A: As before we have p+GaAs(several nanometers only) in the top layer, however these two years, due to technology innovation, and all foundry remove this layer [...]

2018-06-19meta-author
Q : does the price include fabrication of p and n metal contacts? If not, can you fabricate p and n contacts plus SiO2 passivation based on my design? This can turn to a bigger project.

Q : does the price include fabrication of p and n metal contacts? If not, can you fabricate p and n contacts plus SiO2 passivation based on my design? This can turn to a bigger project. A:Sorry, we can not offer fabrication of p and n [...]

2018-06-19meta-author