Q:I was wondering if you carried any semi-insulating(not doped)SiC or single crystal HPSI SiC?
A: For our semi-insulating SiC substrate, it is V doped, we can not offer High Purity semi-insulating SiC, however we can offer undoped SiC if your quantity is good.
2018-06-19مؤلف ميتا
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?
2018-06-19مؤلف ميتا
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 [...]
2018-06-19مؤلف ميتا
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.
2018-06-19مؤلف ميتا
Q: For GaN on sapphire, could you please let us know which side is epi-ready?
A: Ga-face,epi-ready and N face is connecting to sapphire.
2018-06-19مؤلف ميتا
يمكن لشركة PAM-XIAMEN توفير رقاقة GaAs مع EPD أقل من 5000/سم2. س: هل يمكنك تقديم المشورة بشأن EPD المضمون للركيزة وبرنامج التحصين الموسع أدناه؟ رقائق زرنيخيد الغاليوم، P/E 2″Ø×380±25μm، LEC SI c مخدر GaAs:-[100]±0.5°، n-type Ro=(0.8E8-0.9E8) أوم سم، مصقول من جانب واحد، خلفي -محفور على الجانب غير اللامع، 2 مسطح، LT-GaAs EPI: 1-2 ميكرومتر، المقاومة > 1E7 أوم-سم، [...]
2018-09-06مؤلف ميتا