Product Name: SiC Silicon Carbide Vacuum Porous Ceramic Filter / Optic Component
Product Material: Sintered Silicon Carbide (SSiC) or Recrystallized Silicon Carbide (RSiC) with controlled porosity.
Material Characteristics: Extreme hardness (Mohs 9.5), Superior thermal conductivity ($120\text{--}200$ W/m·K), Near-zero thermal expansion coefficient, Excellent chemical resistance (Acid/Alkali proof), High temperature stability up to 1600°C, Precision-controlled pore size distribution.
Surface Finishing: As-sintered, Precision lapped, or Diamond polished. Available with optical coatings or vacuum-tight edge sealing as required.
Application Fields: Vacuum chucks for wafer handling, Semiconductor lithography filter components, High-power laser beam homogenizers, Extreme environment optical filters, Gas diffusion layers for chemical vapor deposition (CVD), Aerospace sensor shields.
Application Industries: Advanced Machinery (Precision optics), New Energy (Advanced thermal management), Electronic Engineering (Semiconductor hardware), Aerospace (Space-based sensors), broad Semiconductor (Wafer processing and lithography).
Processing Difficulties: Maintaining uniform porosity across large surface areas while ensuring high mechanical strength, achieving optical-grade flatness on a porous structure, precise diamond machining of the extremely hard SiC matrix without damaging the pore network.
Processing Flow: SiC powder grading and pore-former mixing, Dry pressing or Cold Isostatic Pressing (CIP), Controlled atmosphere high-temperature sintering ($2000^{\circ}C+$), Precision diamond surface grinding, Laser micro-dicing, Ultrasonic cleaning and pore clearance verification, Optical performance or vacuum flow testing, Specialized cleanroom packaging.
Delivery Period: Standard specifications: 25-35 days, High-precision or customized optical-grade filters: 45-60 days.
Our SiC Vacuum Porous Ceramic Filters combine the legendary durability of Silicon Carbide with precision-engineered permeability. Designed for high-end semiconductor and optical applications, these components offer unparalleled dimensional stability under rapid thermal fluctuations. The porous structure allows for uniform vacuum distribution or gas filtration while the SiC matrix provides the rigidity required for sub-micron alignment. Whether used as a wafer support in a vacuum environment or a filter in a high-power laser system, our SiC components deliver the thermal and mechanical performance necessary for the most demanding technical frontiers.
Key Features:
Extreme Rigidity: Maintains sub-micron flatness even under high vacuum pressure or mechanical load.
Thermal Management: Rapidly dissipates heat to prevent thermal distortion in high-energy optical paths.
Controlled Porosity: Optimized pore paths for uniform gas flow and effective filtration.
Chemical Immunity: Completely resistant to aggressive cleaning agents and plasma etching environments.
Low Particle Shedding: Highly stable matrix ensures zero contamination in cleanroom environments.
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