Quartz endcap for downhole sensor
This thickness-shear quartz sensor unit made by single-crystal right-handed a-quartz artificially grown bars which is intended for use in fabrication for downhole oil preussre sensor control by change of frequency and temperature control. The quartz pressure sensor is capable of withstanding high temperature and pressure .which could be designed and manufactured commercially available to customer’s need.
Specifications for Quartz endcaps / resonating chips /Blanks / wafer
| Materials |
Single Quartz endcaps and resonating chips Piezo grade |
| Materials | Both Pure Z and Y Bar available |
| Synthetic Q-Value | Min 1.8×10^6, 2.4×10^6 to 3.0×10^6 IEC standards |
| ECD | Max 100/c㎡, Max 300/c㎡; or per Customer’s request |
| Inclusions Density | I, II, III Grades |
| Cuts Type ( orientation) | AT, BT, CT, ET ,DT, GT, NT, FC, SC, IT, AC ,BC ,ST .TS MT ,NT RT …, etc per requested |
| Angle Tolerance(±) | Theta Angle: ±5″， ±10″， ±15″， ±30″， ±1′, ±2′, … , etc |
| Phi Angle:±5′, ±10′, ±15′, ±30′, … , etc | |
| Size For Round endcaps | From 10.0mm to 15.00mm (with flat) , 13.80mm as typical one |
| Height / Thickness | 5.00-7.00 mm per requested |
| Flat | Per requested the flat shall be perpendicular to X axis within ±10 deg |
| Surface Finishing | #1000(9u); #2000(7u); #3000(5u); #4000(3u) (Sic); Polished(Cerium oxide）& etched Std |
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