piezoelectric wafer with parallelism guaranteed

{"cid":"91202165","title":"Precision Engineered Fused Silica Wafers Flatness and Parallelism Guaranteed for Seamless Integration","imgUrl":"https:\/\/img.chinax.com\/nimg\/54\/66\/b9a43fe3d5ea0821245f7e67dee3-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"CQT","Model Number":"Fused Silica, Fused Quartz","Minimum Order Quantity":"10 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 Quartz Wafer","Brand":"JGS2 JGS1","Diameter":"50.8mm,76.2mm, 100mm, 150mm, 200mm","Thickness":"350um, 500um, 1000um","LTV (5mmx5mm)":"<2\u00b5m","Ra Roughness":"<1nm \/ GC#1000","Surface":"DSP SSP","Application":"Semiconductor, MEMS"}}