AMAT 2000-21123 Advanced Vacuum Seal Assembly
AMAT 2000-21123: Advanced Vacuum Seal Assembly
The AMAT 2000-21123 is a precision-engineered Vacuum Seal or Gasket Assembly utilized within the high-vacuum process chambers of Applied Materials (AMAT) semiconductor fabrication equipment.
It is primarily designed for the Centura and Endura platforms, serving as a critical barrier to maintain ultra-high vacuum (UHV) integrity during plasma-enhanced deposition and etching processes.
Technical Parameter Table
| Parameter | Specification |
| Manufacturer | Applied Materials (AMAT) |
| Part Number | 2000-21123 |
| Component Type | Vacuum Seal / Door Gasket Assembly |
| Material | High-Grade Fluoroelastomer (Chemraz/Kalrez equivalent) |
| Compatibility | Centura, Endura, and Producer Chambers |
| Vacuum Rating | $1 \times 10^{-9}$ Torr |
| Operating Temp | Up to 280°C (Process dependent) |
| Compliance | Semiconductor Grade (Low Outgassing) |
Product Advantages and Features
Superior Chemical Resistance: Specifically formulated to resist degradation from aggressive process gases like $NF_3$, $CF_4$, and $Cl_2$.
Low Particle Generation: High-purity material construction minimizes “shedding” or particle flaking, which is essential for maintaining high wafer yields.
Extreme Thermal Stability: Maintains elasticity and sealing force even after thousands of high-temperature cycles.
Precision Fit: Engineered to the exact tolerances of AMAT chamber slits and load locks, preventing micro-leaks that can cause process shifts.
Unique Product Description
The AMAT 2000-21123 is more than just a seal; it is the primary line of defense for the vacuum environment.
In the nanometer-scale world of chip manufacturing, even a single molecule of atmospheric oxygen can ruin a batch of wafers.
This assembly utilizes advanced cross-linked polymer technology to provide a “zero-leak” interface, ensuring that the process chemistry remains pure and the chamber environment remains isolated from external contaminants.
Application Cases
Load Lock Sealing: Ensuring a tight seal between the atmospheric wafer transfer robot and the vacuum transfer chamber.
Chamber Gate Valves: Acting as the primary seal for slit valves where wafers enter the process module.
CVD/PVD Processing: Maintaining vacuum integrity during high-energy plasma deposition where pressure control is critical.
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Other Models in the Same Series
2000-21124: A larger diameter variant for wide-entry slit valves.
2000-01000 Series: Various O-ring and static seal kits for gas delivery lines.
0010-XXXXX: Mechanical valve assemblies that often incorporate the 2000-21123 seal.
Installation and Maintenance
Handling: Always use powder-free, cleanroom-grade gloves. Skin oils can cause outgassing issues in high-vacuum environments.
Surface Preparation: Before installation, ensure the sealing surface (groove) is cleaned with Isopropyl Alcohol (IPA) and is free of scratches.
Lubrication: If required by the specific AMAT maintenance manual, apply a microscopic layer of vacuum grease (e.g., Krytox); however, many modern UHV seals are designed to be installed dry.
Inspection: During PM (Preventive Maintenance), check for “compression set” or hardening. If the seal does not return to its original shape, it must be replaced to prevent sudden vacuum failure.