Porous Ceramic Vacuum Chuck

For Academic Labs: High-Temp Ceramic Chucks, 800℃ & Chemical-Resistant

Porous Ceramic Vacuum Chuck

Porous Ceramic Vacuum Chucks are advanced, high-performance workholding solutions designed for precision applications, especially in semiconductor manufacturing, microelectronics, and nanotechnology research. Crafted from specialized ceramic materials, these chucks feature a unique microporous structure that enables uniform and stable vacuum suction, ensuring secure holding of delicate workpieces such as semiconductor wafers, thin films, and microelectromechanical systems (MEMS) devices without causing any damage or deformation. These chucks stand out for their exceptional chemical resistance, allowing them to withstand exposure to a wide range of aggressive chemicals commonly used in semiconductor processing. They also offer outstanding high-temperature stability, maintaining reliable performance even in environments reaching up to 800°C, which is crucial for processes like high-temperature annealing and epitaxial growth. With anti-static properties, they effectively prevent electrostatic discharge (ESD) damage to sensitive components. Additionally, their low-contamination nature makes them suitable for cleanroom environments, minimizing the risk of particle or chemical contamination.

 

Porous Ceramic Vacuum Chucks are highly customizable, with adjustable parameters like pore density and chuck size to meet specific application requirements. Their high mechanical strength and long service life ensure durability and cost-effectiveness, reducing the need for frequent replacements. Whether for academic research in university labs or high-volume industrial production, these chucks provide a reliable, efficient, and precision-engineered solution for workpiece holding.

FAQs:

1. Q: How does a porous ceramic vacuum chuck work?

It operates via micro-porous structures within the ceramic, creating negative pressure through a vacuum pump. Gas flows uniformly through the pores, generating stable suction that holds workpieces without localized stress.

A: Ceramic chucks feature high hardness, corrosion resistance, and heat tolerance (up to 800°C+), ideal for harsh environments. Their uniform pore distribution ensures consistent suction, especially for ultra-thin or fragile workpieces (e.g., semiconductor wafers).
A: Choose a chuck that covers at least 80% of the workpiece’s bottom surface. For heavy or irregularly shaped items, consider multiple chucks or models with higher vacuum capacity.
A: High-quality chucks can withstand over 100,000 suction cycles under normal use. Regularly inspect for pore blockages to prevent performance degradation.
A: High-quality chucks can withstand over 100,000 suction cycles under normal use. Regularly inspect for pore blockages to prevent performance degradation.
A: Standard chucks suit flat or slightly curved surfaces. For complex curves, custom ceramic molds with contoured suction areas are required.
A: Ceramic’s hard, smooth surface typically avoids scratches, but ensure no debris is trapped between the chuck and workpiece to prevent indentations.
A: Common methods include bolt fixing, flange connection, or magnetic bases. Rigid mounting is recommended to minimize vibrations affecting suction.
A: In semiconductor or optoelectronic applications, choose anti-static ceramic (surface resistance 10⁶–10⁹ Ω) to prevent ESD damage to sensitive components.
A: Standard models ship within 1–2 weeks. Custom designs (special shapes, sizes, or functions) take 4–8 weeks, depending on complexity.
A: Most chucks come with a 1-year warranty, covering non-human-induced defects like suction failure or ceramic cracking. Consumables (e.g., seals) are excluded.

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