Alumina Ceramic Microporous Chuck | Semiconductor Wafer & Chip | Vacuum Chuck | Wear-Resistant Porous Ceramic

Product Overview

Technical Support & Services

  • Provide material selection technical consultation and solutions
  • Custom processing according to customer requirements with precision up to ±0.01mm
  • Provide product inspection reports and material certification

Product Detailed Specifications

Product Description

Alumina Ceramic Microporous Chuck | Semiconductor Wafer & Chip | Vacuum Chuck | Wear-Resistant Porous Ceramic
Crafted from high-purity alumina (Al₂O₃ content ≥99.5%) via precision molding and high-temperature sintering processes, XYC’s alumina ceramic microporous vacuum chucks are engineered as high-performance core components for semiconductor wafer and chip manufacturing, handling, and processing workflows.
Featuring a uniform, interconnected microporous structure, these chucks deliver stable, non-damaging vacuum adsorption—ensuring secure, flat holding of ultra-thin semiconductor wafers, silicon chips, and fragile substrates without causing surface scratches or contamination. Unlike traditional metal or plastic chucks, our porous ceramic vacuum chucks boast exceptional wear resistance (hardness up to HRA 88–92, second only to diamond), superior chemical stability, and high-temperature resistance (sustains long-term operation at 1200°C). They resist corrosion from semiconductor process chemicals, plasmas, and cleaning agents, maintaining consistent porosity and adsorption performance even in harsh production environments.
Precision-machined to meet strict semiconductor industry tolerances, the chuck surface achieves ultra-high flatness (≤0.005mm) and smoothness (Ra ≤0.2μm), perfectly matching the dimensional accuracy requirements of wafers and chips of various sizes. The microporous structure is customizable—with adjustable pore size (0.5–5μm) and porosity (20–40%)—to adapt to different vacuum pressure demands and substrate materials, ensuring optimal adsorption force and release efficiency.
Our alumina ceramic microporous vacuum chucks are designed to enhance process stability and yield in semiconductor manufacturing steps such as wafer dicing, lithography, etching, and chip packaging. They are non-magnetic, non-conductive, and free of metal ion contamination, making them ideal for high-precision, cleanroom-compatible semiconductor production applications.
Backed by strict quality control throughout the production cycle—from raw material selection to final precision inspection—we offer customizable solutions including tailored sizes, special surface treatments, and porosity optimization to meet the unique requirements of semiconductor equipment manufacturers worldwide.

Core Advantages

  1. Uniform Microporous Structure

    Uniform pore distribution ensures balanced vacuum adsorption, preventing wafer warpage or slippage during high-speed processing.

  2. Superior Wear & Corrosion Resistance

    Resists mechanical abrasion and chemical corrosion from semiconductor process fluids, extending service life and reducing maintenance costs.

  3. High-Precision Dimensional Accuracy

    Ultra-flat surface and tight tolerance control guarantee seamless compatibility with semiconductor wafers and chips of various specifications.

  4. Cleanroom Compatibility

    Non-contaminating, non-outgassing material properties meet ISO Class 5 cleanroom standards, avoiding particle pollution in semiconductor manufacturing.

Typical Technical Parameters

Parameter Specification
Material 99.5%+ High-Purity Alumina (Al₂O₃)
Pore Size 0.5–5 μm (customizable)
Porosity 20–40% (adjustable)
Surface Flatness ≤0.005 mm
Hardness HRA 88–92; Mohs Hardness 9.0
Max Service Temperature 1200°C
Chemical Stability Resistant to acids, alkalis, plasmas, and semiconductor process chemicals
Customizable Sizes Diameter: 50–500 mm; Thickness: 10–50 mm

Applications

  • Semiconductor wafer handling, dicing, lithography, and etching processes
  • Silicon chip packaging and testing equipment
  • Flat panel display (FPD) substrate processing
  • Optical component manufacturing and precision positioning
We provide comprehensive pre-sales technical consultation and after-sales support. Contact our team to get customized solutions for your semiconductor production needs.

Advanced Ceramics

The advanced ceramic family encompasses a variety of materials with distinct properties, each of which has been specially designed for specific application scenarios.

Ceramic Materials

Alumina Ceramics
Most Popular

Alumina Ceramics (Al₂O₃)

Alumina is the most widely used advanced ceramic material, offering excellent electrical insulation, high hardness, and good wear resistance. It can operate at temperatures up to 1700°C, making it suitable for a wide range of industrial applications.

Temperature Resistance: Up to 1700°C
Electrical Insulation: Excellent
Hardness: 9 Mohs

Main Application Fields

Widely used in multiple high-end manufacturing fields to provide customized solutions for customers

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Why Dongguan XYC New Material Co., Ltd. Is Your Top Choice for Advanced Ceramics

Founded in 2002, Dongguan XYC New Material Co., Ltd. specializes in R&D and production of advanced ceramics and cemented carbides. We have provided precision components (Alumina ceramics(Al₂O₃)、Zirconia ceramics(ZrO₂)、Magnesium-zirconium oxide ceramics (MgO-ZrO₂)、Silicon nitride ceramics(Si₃N₄)、Silicon carbide ceramics(SiC)、Aluminum nitride ceramics(AlN)) to over 2000+ enterprises worldwide, serving industries including semiconductor, automotive, medical, and energy. Here are our core advantages:

Diverse Materials & Full Product Range

We cover a full range of advanced ceramic materials including Alumina (Al₂O₃), Zirconia (ZrO₂), Silicon Nitride (Si₃N₄), and Silicon Carbide (SiC). We can customize over 10,000+ component forms (tubes, rods, plates, valves, plungers, etc.) to meet material performance requirements across different industries.

High Precision & Extreme Environment Resistance

With precision forming and sintering processes, we achieve ±0.001mm micro-level machining accuracy. Our ceramic components feature high hardness, high temperature resistance (1800°C), strong corrosion resistance, and low friction, making them suitable for extreme working conditions like semiconductor manufacturing and automotive welding.

Cross-Industry Solutions & Customization

We deeply serve industries like semiconductor, automotive, medical, and energy, providing integrated technical solutions from material selection to finished product delivery. We support rapid prototyping for small batches and stable mass production for large orders, meeting customization needs of clients of all scales.

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