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    膜厚监控用晶振片,晶控片
    膜厚监控用晶振片,晶控片膜厚监控用晶振片,晶控片膜厚监控用晶振片,晶控片
    膜厚监控用晶振片,晶控片膜厚监控用晶振片,晶控片膜厚监控用晶振片,晶控片

    膜厚监控用晶振片,晶控片

    我们控制着我们的石英显示器晶体制造的每一个不同的生产步骤,从高Q原石英的供应到用于切割初级晶圆的超级精密线锯。

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    Quartz Monitor Crystals 100% manufactured in house from raw material to final product


    We control every distinct production step in the manufacture of our Quartz Monitor Crystals, from the supply of the high Q raw Quartz to the super precise Wire Saws used to cut the primary wafers. Add to this a strictly controlled lapping and contouring process and you have the foundation for a truly superior Quartz Monitor Crystal.  By using our six stage proprietary washing process and angstrom level accuracy electrode plating all in clean room conditions we manufacture a truly advanced quality Quartz Monitor Crystal. 

    Chrome/Gold Plated Quartz Monitor Crystal Specification:

    Marking Frequency6.000MHz6.000MHz5.000MHz5.000MHz
    Nominal Frequency5.983MHz5.983MHz4.960MHz4.995MHz
    Adjustment Tolerance±7KHz@25℃±5KHz@25℃
    Crystal CuttingATITATAT
    Oscillation ModeFoundation Mode 
    Resonance Resistance<15 Ω
    Shunt capacitance<7 pF
    Operating Temperature0℃ ~ +70℃
    Storage Temperature-40℃ ~ +105℃
    Diameter13.97mm±0.03mm12.45mm±0.03mm
    Electrode of Plane SideChrome (Cr) / Gold (Au)
    Electrode of Convex SideChrome (Cr) / Gold (Au)


    Aluminum/Silver,Chrome  /Silver  Plated Quartz Monitor Crystal Specification 


    Aluminum/SilverChrome/Silver
    Marking Frequency6.000MHz6.000MHz5.000MHz
    Nominal Frequency5.983MHz5.983MHz4.960MHz
    Adjustment Tolerance±7KHz@25℃±7KHz@25℃
    Crystal CuttingATAT
    Oscillation ModeFoundation ModeFoundation Mode
    Resonance Resistance<15 Ω<15 Ω
    Shunt capacitance<7 pF<7 pF
    Operating Temperature0℃ ~ +70℃0℃ ~ +70℃
    Storage Temperature-40℃ ~ +105℃-40℃ ~ +105℃
    Diameter13.97mm±0.03mm13.97mm±0.03mm
    Electrode of Plane SideAluminum (Al) / Silver (Ag)Chrome (Cr) / Silver (Ag)
    Electrode of Convex SideAluminum (Al) / Silver (Ag)Chrome (Cr) / Silver (Ag) 


    Blank Quartz Monitor Crystal Specification:

    Marking Frequency6.000MHz5.000MHz
    Nominal Frequency6.060MHz5.010MHz5.040MHz5.050MHz5.050MHz
    Adjustment Tolerance±10KHz@25℃
    MaterialTop grade Z bar
    Crystal CuttingATIT/SCATATATAT
    Oscillation ModeFoundation Mode
    Resonance Resistance<15 Ω<15 Ω<20 Ω<20 Ω<20 Ω<20 Ω
    Diopter  CustomizedCustomized
    AnglePer Customer or design for clients
    Operate  Temperature0℃ ~ +70℃
    Storage Temperature-40℃ ~ +105℃
    Diameter (±0.03mm)13.97mm12.45mm13.97mm


    Also Materials: Langasite , Sapphire , LiNbO3, LiTaO3 , Quartz  etc available

    Cut angles: AT .IT. SC.  …. and any designed angle acceptable .

    Electrodes: quartz crystals are available in alloy, gold and silver


    How to Choose the right Crystal

    Our continuing research into quartz crystal characteristics results in ongoing improvements to offer the highest reliability in your process.

    We recommend gold crystals for most applications. They have low contact resistance, high chemical stability. The gold electrodes crystals are best suited for low stress material coating monitoring, Such as gold, silver, copper film thickness control.

    Silver crystals will provide superior performance in processes with high heat loads, such as sputtering. They may also improve the deposition of oxides.

    Alloy crystals are recommended for optical coating with dielectric materials and for semiconductor processes with high-stress materials, Such as SiO, SiO2,MgF2,TiO2 and so on.


    Monitor Crystals


    Advantages

    Plano-convex configuration suppresses unwanted modes for greater accuracy.

    AT-cut crystal orientation enhances stability over a wide range of operating temperatures.

    Improving of adhesion underlayer from electrode-to-crystal assures the crystals’ reliability and long-life.

    Gold or silver electrode coating for maximum electrode life.

    100% testing of each crystal’s frequency and activity (Series resistance).

    Compatibility with all CQT sensor heads and most other manufactures instruments.

    Clean room processing to avoid particulate contamination.

     

    Three convenient packages:

    Black flat-pack carousel dispenser with vacuum plastic bags-holds 10 crystals which are extracted by vacuum pencil or dispensed directly into the holder.

    White flat-pack carousel dispenser with vacuum plastic bags-holds 10 crystals which are extracted by vacuum pencil or dispensed directly into the holder.

    Compact box with vacuum plastic bags and crystals in dust-free paper bags-holds 5 crystals which are extracted by vacuum pencil or plastic tweezers.

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