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: For blue wafer epi on flat substrate, it would be important to omit / leave out the u-GaN layer as we want to LLO and backside conacting. Is that possible?
A:Yes, it is no problem, some clients bought our wafers for LLO.
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: SiC wafer reclaim, can you gurantee surface roughness<=0.3nm?
A: Sure, no problem
2018-06-19meta-author
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:In the test report of blue LED wafers,it shows Vf and IV (mcd). How is this mcd being measured without actually processing the wafer into devices?
A:We use prober equipment and contact positive and negative pole, connect current, and then get the voltage and IV.
2018-06-19meta-author