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Thermal Resistant Silicon Nitride Si3N4 Ceramic Tray

Categories Ceramic Substrate
Brand Name: Jinghui Ceramics
Model Number: Customized
Certification: RoHS, REACH, ISO
Place of Origin: China
MOQ: 1 piece per order
Price: Negotiable
Payment Terms: T/T, Western Union, MoneyGram, Paypal, , L/C
Supply Ability: 10000 pieces per month
Delivery Time: 4~5 weeks after receiving the order
Packaging Details: Export carton with wooden case
Product name: Silicon Nitride Ceramic Tray
Color: Grey
Material: Silicon nitride
Density: Over 3.22g/cm3
Size: Max. OD 400mm
Thickness: 0.30 mm - 10 mm
Feature: High Thermal Shock, High Hardness
Usage: For sintering furnace and kiln
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Thermal Resistant Silicon Nitride Si3N4 Ceramic Tray

High Thermal Resistance Custom Silicon Nitride Si3N4 Ceramic Tray

The specification of the Si3N4 ceramic tray

Typical thickness0.30mm, 0.50mm, 0635mm, 1mm, 2mm, 3mm
Optional shapeRound ceramic tray, square ceramic tray or rectangular
DiameterThe largest diameter can be 400mm
Side-lengthThe max. side-length can be 400mm x 500mm
Surface treatmentit can be one-side, or double side polished to be Ra0.4 or better

The main features of the Si3N4 ceramic tray

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

The description of the Si3N4 ceramic tray

Silicon nitride ceramic is an inorganic material ceramic that does not shrink when sintered. Silicon nitride is very strong, especially hot-pressed silicon nitride, which is one of the hardest substances in the world. It has high strength, low density, and high-temperature resistance.
Si3N4 ceramic is a covalent bond compound. The basic structural unit is a [SiN4] tetrahedron. The silicon atom is located at the center of the tetrahedron. There are four nitrogen atoms around it, which are located at the four vertices of the tetrahedron, and then every three A tetrahedron shares the form of an atom, forming a continuous and robust network structure in three dimensions.

Property Datasheet of Si3N4 Ceramic Wafers and Ceramic Substrates

GeneralPropertiesUnitValue
MechanicalPurity%≥99
Volume Densityg/cm3≥3.22
ColorGrey
Compressive StrengthMPa≥-2500
Bending StrengthMPa600
Elastic ModulusMPa300
Fracture toughnessMpam1/27
ThermalMax. service temperature (Non-loading)1300
Thermal Conductivity (25℃)W/m.k≥70
Coefficient of Thermal Expansion (CTE)1*10-6 m/k3.1
Specific heat1 x 103J/(kg·K)0.5
ElectricalVolume Resistivity (25℃)ohm.cm-
Insulation BreakdownKV/mm-
Dielectric constant (1Mhz)(E)6

Our capability and strength

1.With 15 years of manufacturing experience in OEM, ODM


2. Powerful R&D, customized and mass production capability



3. In-house comprehensive manufacturing types of equipment



4. Rigorous quality control system and processes



FAQs (Frequently Asked Questions)

Q1: Is it available to provide customized products?
A: We always support custom-made demand as per different materials, dimensions, and designs.

Q2. Are you a factory or trading company?
A: We are a direct manufacturer of technical ceramic components. You are welcome to visit our factory.
Q3: When can I get the price?
A: We regularly quote within 24 hours after we get your inquiry. If you are in urgent need of getting the price.
Please call us or tell us in your email so that we will proceed with your inquiry as a priority.
Q4: How to ensure quality?
A: We have a complete strict quality-control system, including IQC, IPQC, QA, OQC per ISO9001: 2008
Q5: What other products are you dealing with?
A: We also focus on a variety of metalized ceramics, high precision zirconia ceramic parts, ceramic seals.

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