Stainless steel powder filter cartridges with VCR 1/2" interfaces are critical components in semiconductor manufacturing, specifically designed for high-purity gas distribution systems. These filter cartridges utilize advanced metal powder sintering technology to achieve precise filtration, effectively capturing particles as small as 5 micron. This ensures the delivery of ultra-clean process gases, which are essential for maintaining the integrity of sensitive semiconductor fabrication processes. The VCR 1/2" interface provides a leak-proof metal-to-metal seal, meeting the stringent requirements of semiconductor environments where even minute gas impurities can lead to significant defects in microelectronic devices. Their robust construction from corrosion-resistant stainless steel guarantees durability and long-term reliability under extreme conditions.

In semiconductor applications, these filter cartridges play a vital role in protecting downstream equipment such as mass flow controllers and precision valves from particulate contamination. By integrating seamlessly into existing high-purity gas lines, they simplify installation and maintenance while minimizing system downtime. The combination of high filtration efficiency, exceptional chemical resistance, and reliable sealing makes them indispensable for ensuring consistent gas purity and operational efficiency in advanced semiconductor production facilities.

Products Specifications

5 microns Stainless steel powder filter cartridges with VCR 12 interfaces

Material: 316L powder
Size: φ40*196.3mm
Filter precision: 5 microns
Interface: VCR1/2"
Technical: Sintering

Products Features

5 microns Stainless steel powder filter cartridges with VCR 12 interfaces 3

1. Ultra‑High Purity and Particle Retention
- Sintered stainless steel structure (typically 316L) provides a clean, all‑metal filtration medium with no binders, adhesives, or organic residues.
- Capable of sub‑micron particle retention down to 0.5 μm, preventing micro‑contamination from reaching process chambers or wafers.
- No particle shedding, ensuring stable particle count over long‑term use.

2. Robust Mechanical and Thermal Stability
- Full‑metal design withstands high pressure, high temperature, and frequent thermal cycles.
- Maintains mechanical integrity under vibration, reverse flow, or pressure pulsing-conditions common in gas distribution systems.
- Compatible with heat tracing for high‑temperature gas lines.

3. Recleanable and Regenerable
- Filter elements can be back‑flushed, ultrasonically cleaned, or baked in vacuum, enabling long service life compared to polymer or ceramic filters.
- Typical life cycle extends to 5–10× that of disposable PTFE or PVDF filters, minimizing downtime and total cost of ownership.

4. Chemical Compatibility and Corrosion Resistance
- 316L stainless steel maintains a passive oxide film in chloride, fluorine, ammonia, and acidic gas environments.
- Non‑reactive surface prevents metal ion extraction or gas composition changes.

applications

1. UHP Gas Distribution Lines
- Installed in bulk gas delivery skids, gas cabinets, and VMB/VMP panels, filtering out particles before gas enters MFCs or process tools.
- Used in N₂, Ar, H₂, He, O₂, NH₃, CF₄, and other high‑purity gas lines feeding critical processes.

2. Mass Flow Controller (MFC) Inlet Protection
- Prevents particle contamination and valve wear in precision mass flow controllers.
- Improves long‑term flow stability and calibration consistency of MFCs.

3. Process Chamber and Tool Gas Inlets
- Ensures particle‑free, moisture‑free delivery into CVD, ALD, etch, and diffusion furnaces.
- Used in SiH₄, WF₆, BCl₃, PH₃, and TEOS lines where purity is critical to film quality and yield.

4. Specialty Gas and Precursor Systems
- For metal‑organic or halogen‑based gases where chemical inertness and temperature stability are crucial.
- Often placed after vaporizers or bubblers to capture condensed particles or droplets.