Q: Regarding blue LED epi wafer, after MOCVD, do you anneal the wafer for p-GaN activation?
A:Yes!
2018-06-19meta-author
Q:We want to know the refractive index of these SiC wafers?
A:The refractive index is no=2.707, ne=2.755
2018-06-19meta-author
Q:In your web site, the picture of the SiC wafer
does not look like regular, transparent-light green color SiC wafer.
Why is that?
A: Good question, the picture in website is Polarized light image.In regular, it is green color or grey color.
2018-06-19meta-author
Q:Do you sell SiC wafers that are not (0001) plane? For example, (11-20)?
A:We can offer a-plane, but the size would be smaller,and should require quantity, do you have size requirement?
2018-06-19meta-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:I want to know the dopant concentration of SiC substrate that you normally provide ? What is the maximum Nitrogen dopant concentration that you can provide? I am looking for heavily nitrogen doped SiC wafers?
A: Our Nitrogen dopant concentration is 1E18/cm3-1E19/cm3, which belongs to heavy dopant.
2018-06-19meta-author