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High Thermal Shock Silicon Nitride Ceramic Insert Positioning Plate

Wuxi Special Ceramic Electrical Co.,Ltd
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    Buy cheap High Thermal Shock Silicon Nitride Ceramic Insert Positioning Plate from wholesalers
     
    Buy cheap High Thermal Shock Silicon Nitride Ceramic Insert Positioning Plate from wholesalers
    • Buy cheap High Thermal Shock Silicon Nitride Ceramic Insert Positioning Plate from wholesalers
    • Buy cheap High Thermal Shock Silicon Nitride Ceramic Insert Positioning Plate from wholesalers
    • Buy cheap High Thermal Shock Silicon Nitride Ceramic Insert Positioning Plate from wholesalers
    • Buy cheap High Thermal Shock Silicon Nitride Ceramic Insert Positioning Plate from wholesalers
    • Buy cheap High Thermal Shock Silicon Nitride Ceramic Insert Positioning Plate from wholesalers

    High Thermal Shock Silicon Nitride Ceramic Insert Positioning Plate

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    Brand Name : wuxi special ceramic
    Price : us$1~us$100/P
    Payment Terms : T/T
    Supply Ability : 5000p/Month
    Delivery Time : 30days
    • Product Details
    • Company Profile

    High Thermal Shock Silicon Nitride Ceramic Insert Positioning Plate

    Material Introduction:
    Silicon Nitride (Si3N4) is a widely used ceramic material in high temperature application, it has high strength in both room temperature and high temperature condition, the strength of silicon nitride can be kept up to 1200ºC; the low coefficient of thermal expansion make it a ceramic material possessing excellent thermal shock resistance; at the same time, it also has good thermal conductivity.

    Features of Silicon Nitride wafer:

    a. high temperature strength
    b. superior thermal shock resistance
    c. excellent wear resistance
    d. good fracture toughness
    e. mechanical fatigue and creep resistance
    f. Excellent non-wetting property with good oxidation resistance

    The main features of the Si3N4 ceramic tray and substrate
    A. High thermal conductivity ( up to 70 W/m.k), 3 times that of alumina ceramic substrate;
    B. The thermal expansion coefficient (3.1×10-6/ºC) matches the semiconductor silicon material (3.5-4.0×10-6/ºC);
    C. The bending strength is higher than that of the alumina substrate, which is twice that of the alumina substrate;
    D. Excellent electrical performance, with extremely high insulation resistance and low dielectric loss;
    E. The compatibility of circuit materials is good, and multi-layer wiring can be performed to achieve miniaturization of the package;
    F. High thermal shock resistance, from 0 ºC to 200 ºC and then cool down, repeat 10000 times;
    G. Chemical resistance, resistant oxidization, acid, alkali corrosion, service life-span up to 10 years


    The specification of the ceramic tray and substrate
    A.The typical thickness of the silicon nitride substrate covers 0.30mm, 0.5mm, 0.635mm, 1.0mm
    B.We are supplying with many round ceramic wafers, square & rectangular ceramic substrate
    C.The biggest diameter of the round ceramic wafer can be up to 400mm in 3mm, 4mm, 5mm thick
    D.The max. side-length of the square and rectangular ceramic substrate can be 400mm by 500mm
    E.Surface treatment: it can be one-side, or double side polished to be Ra0.4 or better


    Silicon nitride is a man-made compound synthesized through several different chemical reaction methods. Parts are pressed and sintered by well-developed methods to produce a ceramic with a unique set of outstanding properties. The material is dark gray to black in color and can be polished to a very smooth reflective surface, giving parts a striking appearance. High-performance silicon nitride materials were developed for automotive engine wear parts, such as valves and cam followers, and proven effective. The cost of the ceramic parts never dropped enough to make the ceramics feasible in engines and turbochargers. The very high-quality bodies developed for these demanding high-reliability applications are available today and can be used in many severe mechanical, thermal, and wear applications.


    date sheet


    ItemUnitTypical Values
    Physical Properties
    Densityg/cm3>3.2
    Mechanical Properties
    HardnessHRA90
    Vickers Hardness (Hv50)HV0.5>1550
    Modulus of ElasticityGpa290
    Flexural StrengthMpa>600
    Compressive StrengthMpa2500
    Fracture toughnessMpam1/2>6.0
    Thermal Properties
    Maximum use temperature°C1200
    Thermal ConductivityW/(m.k)15-20
    Thermal Expansion Coefficient10-6/°C>3.1
    Thermal Shock ResistanceT°C500
    Specific Heat CapacityKJ/kg.K700
    Electrical Properties
    Dielectric StrengthKV/mm1
    Dielectric Constanter
    Volume Resistivity at 20°CΩ.cm1.0X10(12)


    company information
    Wuxi Special Ceramic Co.,Ltd mainly produces alumina, Silicon nitride, Zirconia, Steatite, Boron nitride, Cordierite,mullite products, widely used in metal welding, electronic conductor, mechanics, assembling, insulation, chemicals, instrument, textile, nuclear industry, aerial field.We accept trial produce according to the drawing or sample.It usually takes 30 days to finish trial product.Mass produce usually takes 30 days.Goods' package is carton or PLT.It can be negotiable with each other.
    We mainly sell goods to toshiba lighting group in Japan and Europe.Our aim is to deliver goods with high quality at quick delivery date.



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