4 inch c plane ssp sapphire substrate

{"cid":"91184473","title":"4-inch C-Plane SSP Sapphire Substrate Al\u2082O\u2083 for LED & Optical Applications","imgUrl":"https:\/\/img.chinax.com\/nimg\/e6\/56\/4f296e8a28e824e3207aa1075ffa-200x200-1.jpg","attrs":{"Brand Name":"ZMSH","Minimum Order Quantity":"10","Delivery Time":"2-4 Weeks","Place of Origin":"SHANGHAI,CHINA","Payment Terms":"T\/T","Diameter":"100 mm \u00b1 0.3 mm (4 inch)","Orientation":"C-plane (0001), \u00b10.3\u00b0","Thickness":"650 \u00b5m \u00b1 15 \u00b5m","Bow":"<15 \u00b5m","Front Surface":"Single Side Polished (Ra < 0.2 nm)","Back Surface":"Fine Ground (Ra 0.8\u20131.2 \u00b5m)","TTV (Total Thickness Variation)":"\u2264 20 \u00b5m","LTV (Local Thickness Variation)":"\u2264 20 \u00b5m","Warp":"\u2264 20 \u00b5m","Material":">99.99% high-purity Al\u2082O\u2083"}}

{"cid":"91191224","title":"430um 3 Inch Sapphire Substrate Wafer R Axis Window High Optical Transmittance DSP \/ SSP","imgUrl":"https:\/\/img.chinax.com\/nimg\/84\/de\/1da4875d88ba841ba3894e18b3b1-200x200-1.jpg","attrs":{"Price":"usd10\/pc","Brand Name":"ZMKJ","Model Number":"2INCH 0.1mm","Minimum Order Quantity":"25pcs","Delivery Time":"in stocks","Place of Origin":"CHINA","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"1000pcs per month","Packaging Details":"25 or 5 pcs cassettle wafer case in 100 grade cleaning bag","Material":"Sapphire substrate grade","orientation":"C-AXIS\/A-AXIS\/M-AXIS\/R-AXIS","Thickness":"430um(other thickness ok)","Surface":"DSP","TTV":"\uff1c10um","BOW":"\uff1c10um","Warp":"\uff1c10um","Package":"100 grade cleaning room by vacuum package","Customize":"acceptable"}}