fused quartz wafers with primary flat

{"cid":"91202165","title":"150mm 200mm Fused Silica Wafer Borosilicate With Flat Or Notch Edge Ground","imgUrl":"https:\/\/img.chinax.com\/nimg\/c4\/36\/fabb3e98aabce391bb6825a34454-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"BonTek","Model Number":"Fused Silica, Fused Quartz","Minimum Order Quantity":"5 pcs","Delivery Time":"1-4 weeks","Certification":"ISO:9001, ISO:14001","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"20000 pcs\/Month","Packaging Details":"Cassette\/ Jar package, vaccum sealed","Material":"Fused Silica Wafer","Brand":"Schott, Corning, Ohara, Heraeus","Dia.":"76.2mm, 100mm, 150mm","Thickness":"0.375mm, 0.525mm, 0.675mm","Warp":"<40um, <70um","BOW":"\u00b130um, \u00b140um","TTV":"<5um, <10um","Roughness Ra":"Ra<1nm"}}

{"cid":"91202079","title":"Quartz Glass Plate Semiconductor Fused Silica Wafer Quartz Glass","imgUrl":"https:\/\/img.chinax.com\/nimg\/9e\/21\/69684ec0cd5f7fc8e0c297b2ee6a-200x200-1.jpg","attrs":{"Price":"EXW","Brand Name":"ZKTD","Model Number":"ZCQ0304","Minimum Order Quantity":"10","Delivery Time":"5 to 10 work days","Place of Origin":"China","Payment Terms":"D\/A,L\/C","Certification":"ISO SGS","Packaging Details":"carton, wooden box","Shape":"Circular","Material":"Fused silica","Application":"Semiconductor","Thickness":"0.1mm to 10mm","Structure":"Plano-convex","Edges treatment":"Grinded","Density":"2.2g\/cm2"}}