Overview of Silicon Carbide Ceramic

Silicon carbide (SiC) ceramic is a high-performance material known for its exceptional hardness, wear resistance, and thermal stability. It is widely used in cutting tools, abrasives, automotive components, and high-temperature applications due to its superior mechanical properties and chemical inertness.

Features of Silicon Carbide Ceramic

High Hardness: SiC ceramics are among the hardest known materials, making them ideal for abrasive and cutting applications.
Thermal Stability: They can withstand extreme temperatures without degrading, making them suitable for high-temperature environments.
Wear Resistance: Exceptional resistance to wear and abrasion ensures long-lasting performance.
Chemical Inertness: Resistant to most chemicals, including acids and alkalis, enhancing their durability in harsh conditions.
Low Thermal Expansion: Minimal expansion or contraction with temperature changes, ensuring dimensional stability.
Electrical Conductivity: Some forms of SiC ceramics exhibit semiconducting properties, useful in electronic devices.

Specifications of polished silicon carbide(SSic) ceramic substrate

Sleek Silicon Carbide (SSiC) Ceramic Substrate– Trick Specs

Material Structure

The substratum is made from high-purity sintered silicon carbide (SSiC). It has over 99% SiC with marginal contaminations. This makes certain excellent thermal and mechanical efficiency.

Surface Complete

Both sides of the substratum are precision-polished to a mirror-like coating. The surface area roughness normally determines listed below 0.02 µm Ra. This level of smoothness sustains high-grade thin-film deposition and bonding procedures.

Dimensional Tolerances

Requirement thickness ranges from 0.3 mm to 1.0 mm. Size alternatives include 50 mm, 76.2 mm (3 inches), and 100 mm. Thickness tolerance stays within ± 0.02 mm. Flatness is regulated to much less than 1 µm over the full surface area.

Thermal Features

SSiC reveals solid warm resistance. Its thermal conductivity gets to 120– 130 W/m · K at area temperature. The coefficient of thermal growth has to do with 4.0 × 10 ⁻⁶/ ° C (from 25 ° C to 400 ° C). These attributes make it stable under fast temperature changes.

Mechanical Strength

The product has high firmness (around 28 GPa on the Vickers range) and flexural strength over 400 MPa. It stands up to wear, corrosion, and contortion even under hefty lots or rough atmospheres.

Electrical Features

Refined SSiC substratums serve as electric insulators. Quantity resistivity surpasses 10 ¹² Ω · centimeters at 25 ° C. This makes them ideal for applications needing electrical isolation.

Applications

These substratums are made use of in semiconductor production, power electronics, aerospace sensing units, and high-temperature optics. Their stability and purity assistance demanding commercial and clinical usages.

Applications of polished silicon carbide(SSic) ceramic substrate

Applications of Polished Silicon Carbide (SiC) Ceramic Substrates

High-Performance Electronics

Polished silicon carbide (SiC) ceramic substratums are commonly used in power electronics. Their superb thermal conductivity helps take care of heat in tools like inverters, converters, and motor drives. This keeps parts great and boosts integrity. SiC substrates also sustain high voltage and high-frequency procedures far better than typical products.

LED and Optoelectronics

In LED production, brightened SiC substrates function as a steady base for growing gallium nitride (GaN) layers. The smooth surface makes sure uniform crystal growth. This results in brighter, extra effective LEDs. SiC’s thermal residential properties likewise stop getting too hot during long-term use, which expands device life.

Aerospace and Protection Solutions

Aerospace applications demand products that perform under extreme conditions. Sleek SiC substrates fulfill this demand. They function well in radar systems, satellite communications, and avionics. Their strength, lightweight, and resistance to thermal shock make them optimal for rough environments.

Automotive Market

Electric vehicles (EVs) rely upon effective power administration. SiC-based elements minimize power loss and enhance battery range. Refined SiC substrates are made use of in onboard chargers, DC-DC converters, and grip inverters. Their resilience supports the expanding change toward greener transportation.

Sensors and Harsh Atmosphere Tools

SiC substrates are perfect for sensors that operate in high-temperature or destructive settings. Instances consist of stress sensors in oil and gas boring or exhaust tracking systems. The material remains stable where others fall short, ensuring exact readings gradually.

Industrial Devices

In commercial settings, polished SiC substrates enhance performance in burner, wear-resistant parts, and semiconductor handling tools. Their hardness and chemical inertness aid equipment last longer with less upkeep. This reduces downtime and operating expense.

Company Introduction

Welcome to It-Chuiko, a premier international supplier of high-quality silicon carbide powder and silicon carbide ceramics. Our products are renowned for their exceptional hardness, thermal stability, and wear resistance, making them ideal for abrasives, cutting tools, refractory materials, and advanced semiconductor applications. We serve a diverse range of industries, including automotive, aerospace, and electronics, with a commitment to quality and innovation. With state-of-the-art production facilities and rigorous quality control, we ensure that our customers receive superior products tailored to their specific needs. Partner with us for reliable, high-performance materials that drive your business forward.

If you have any questions, please feel free to contact us(nanotrun@yahoo.com).

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of polished silicon carbide(SSic) ceramic substrate

Frequently Asked Questions About Polished Silicon Carbide (SSiC) Ceramic Substrates

What is a polished SSiC ceramic substrate?

A polished silicon carbide (SSiC) ceramic substrate is a flat piece made from high-purity silicon carbide. It goes through fine grinding and polishing to get a very smooth surface. This smoothness helps in applications that need precise contact or optical clarity.

Why choose SSiC over other ceramic materials?

SSiC stands out because it is extremely hard, handles high temperatures well, and resists wear and corrosion. It also conducts heat better than most ceramics. These traits make it ideal for tough environments like semiconductor manufacturing or aerospace systems.

How smooth is the surface after polishing?

After polishing, the surface roughness of SSiC can be below 0.1 micrometers (Ra). Some grades reach mirror-like finishes. This level of smoothness reduces friction and improves performance in sensitive mechanical or optical setups.

Can SSiC substrates be customized?

Yes. Manufacturers can cut, shape, and polish SSiC substrates to meet specific size, thickness, or tolerance needs. Custom options include round, square, or irregular shapes. Holes, grooves, or special edge treatments are also possible.

Are polished SSiC substrates fragile?

While all ceramics can crack under sharp impact, SSiC is one of the toughest. Its high strength and hardness help it resist chipping and breaking during normal handling and use. Still, care should be taken during installation to avoid sudden shocks or uneven pressure.