double side lapped quartz wafer

{"cid":"91202165","title":"Y Cut Single Crystal Quartz Wafer Ring Double Side Lapped For Sensing Technology","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ee\/5a\/3f000465f78546450dd158d318ef-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"BonTek","Model Number":"Single Crystal Quartz","Minimum Order Quantity":"50 pcs","Delivery Time":"1-4 weeks","Certification":"ISO:14001","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"50000 pcs \/ Month","Packaging Details":"Film package, vaccum sealed","Material":"Crystal Quartz Ring","Shape":"Ring, Wafer with hole","Cut type":"X-cut, Y-cut, etc.","Surface":"Lapped, Double Side Polish","Inner Dia.":"1.5mm up","Q-value":"1.8M, 2.0M, 2.4M","Inclusion":"I, II, III Grade","ECD":"10cm2, 30cm2, 100cm2"}}

{"cid":"91184473","title":"4inch SSP Sapphire Wafer Quartz Glass Thickness 0.1mm 0.15mm 0.2mm","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/06\/e9\/62ec888b63aee8cd039cb17e8749-200x200-1.jpg","attrs":{"Price":"by case","Brand Name":"zmkj","Model Number":"4.125\/6.125\/6inch\/8inch","Minimum Order Quantity":"1pcs","Delivery Time":"3-4weeks","Certification":"Cz\/ Rohs\/ GSG","Place of Origin":"China","Payment Terms":"Western Union, T\/T, L\/C","Supply Ability":"100pcs","Packaging Details":"by substrates cassette box","material":"Al2O3 monocrystalline","orientation":"C plane","surface":"dsp or ssp","thickness":"650 um +\/- 25 um (SSP) , 600 um +\/- 25 um (DSP)","ttv":"<20um","application1":"semiconductor carrier plate\/sos\/ pss\/optical","application2":"Semiconductor Etching Epitaxy Carrier"}}