research test grade gallium arsenide wafer

{"cid":"91184473","title":"3inch VGF GaAs Wafers Research Test Grade N Type GaAs Substrates","imgUrl":"https:\/\/img.ismap.com\/nimg\/39\/e8\/e358a2016ca55759f0f548caf3f6-200x200-1.jpg","attrs":{"Price":"by case","Brand Name":"zmsh","Model Number":"6INCH GaAs wafer","Minimum Order Quantity":"10pcs","Delivery Time":"1-4weeks","Certification":"ROHS","Place of Origin":"china","Supply Ability":"500pcs\/month","Packaging Details":"PET film in 100-grade cleaning room","material":"MONOcrystal GaAs","industry":"semicondutor wafer For ld or led","application":"semiconductor substrate, led chip, optical glass window,device substrates","method":"CZ","size":"2inch~6inch","Thickness":"0.425mm","surface":"cmp\/etched","doped":"Si-doped","MOQ":"10PCS","grade":"research grade\/dummy grade"}}

{"cid":"91191224","title":"SiC Wafer 4inch 12inch 4H N type Semi type Production grade Research grade Dummy grade DSP Customization","imgUrl":"https:\/\/img.ismap.com\/nimg\/91\/df\/4eaa8fde4efc80d5bc978ab03ab5-200x200-1.jpg","attrs":{"Brand Name":"ZMSH","Model Number":"Silicon Carbide","Minimum Order Quantity":"","Delivery Time":"2-4 weeks","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"","Impurity":"Free\/Low Impurity","Resistivity":"High\/Low Resistivity","Bow\/Warp":"\u226450um","Type":"4H","TTV":"\u22642um","Grade":"Production\/ Research\/ Dummy","Flatness":"Lambda\/10","Material":"Silicon Carbide","Dia":"12inch"}}