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 .

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Brief Introduction

Product Parameters

Specifications for Quartz endcaps / resonating chips /Blanks / wafer

Materials	Single Quartz endcaps and resonating chips Piezo grade 可提供压电级石英材料用于制作晶体端帽
Materials 材料	Both Pure Z and Y Bar available
Synthetic Q-Value 活力值	Min 1.8x10^6, 2.4x10^6 to 3.0x10^6 IEC standards
ECD 腐蚀隧道密度	Max 100/c㎡, Max 300/c㎡; or per Customer’s request
Inclusions Density 包裹体级别	I, II, III Grades
Cuts Type ( orientation) 切型	AT, BT, CT, ET ,DT, GT, NT, FC, SC, IT, AC ,BC ,ST .TS MT ,NT RT …, etc per requested
Angle Tolerance(±) 角度公差	Theta Angle: ±5″， ±10″， ±15″， ±30″， ±1′, ±2′, … , etc
Angle Tolerance(±) 角度公差	Phi Angle:±5′, ±10′, ±15′, ±30′, … , etc
Size For Round endcaps 圆形尺寸	From 10.0mm to 15.00mm (with flat) , 13.80mm as typical one
Height / Thickness 高度/厚度	5.00-7.00 mm per requested
Flat 基准片	Per requested the flat shall be perpendicular to X axis within ±10 deg
Surface Finishing 表面处理	#1000(9u); #2000(7u); #3000(5u); #4000(3u) (Sic); Polished(Cerium oxide）& etched Std