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Lam Research RPDB 224-006907-XXX Pneumatic Distribution Module
Lam Research RPDB 224-006907-XXX
Product Overview
The Lam Research RPDB 224-006907 is an integrated pneumatic distribution module engineered for high-cleanliness pneumatic control systems of semiconductor manufacturing equipment. It serves as a critical centralized management node within the pneumatic actuation subsystem of Lam Research etching and deposition tools.
The core function of this component is to safely and reliably distribute the main compressed air supply from factory utilities or internal tool sources to multiple downstream actuators. Typical downstream equipment includes pneumatic valve actuators, pneumatic drive cylinders, vacuum bellows drive mechanisms, and purge gas lines.
Pneumatic control is the fundamental power source for valve actuation, transmission mechanism movement, and isolation sealing in semiconductor processes. The sealing performance, flow uniformity, and cleanliness level of this distribution module directly determine the accuracy and reliability of tool motion sequences.
Product Specifications
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Parameter Name
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Parameter Value
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Product Model
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RPDB 224-006907
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Manufacturer
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Lam Research
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Product Type
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Pneumatic Distribution Block / Manifold
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Body Material
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316L Stainless Steel or 6061-T6 Aluminum Alloy (configuration-dependent)
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Surface Treatment
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Electrochemical Polishing (EP) / Anodization (for aluminum substrate)
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Supply Port Specification
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1/4 inch or 3/8 inch NPT internal thread / push-to-connect fitting
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Distribution Outlet Quantity
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6 – 12 independent output ports (configuration-dependent)
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Maximum Working Pressure
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150 PSIG (approx. 10.3 bar)
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Operating Temperature Range
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10°C to 60°C
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Internal Channel Roughness
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Ra < 0.4 μm (after electrochemical polishing)
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External Leakage Rate
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Zero leakage (metal-to-metal seal or FKM sealing)
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Particle Generation Level
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< 0.01 particles/cm² (tested after ultrapure water cleaning)
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Channel Bore Size
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3mm – 6mm (customized based on outlet flow requirements)
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Mounting Method
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Modular bracket mounting or panel bolt fixing
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Overall Dimensions
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Customized by outlet quantity and channel layout; typical size: 150mm x 80mm x 50mm
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Structure and Composition
The structural design and manufacturing process of the Lam Research RPDB 224-006907 represent the highest engineering standards for semiconductor-grade pneumatic distribution components. The module adopts a regular rectangular or square block structure. One or multiple sides are equipped with main gas supply inlets, while evenly distributed independent output ports are arranged on the remaining sides.
The monolithic body is machined in a single clamping setup from solid high-purity 316L stainless steel or special aluminum alloy on a multi-axis machining center. This one-piece manufacturing approach minimizes splicing and welding joints, fundamentally eliminating potential leakage paths.
Internally, the main supply inlet connects to all independent output ports via optimized primary flow channels. All internal flow paths are validated through rigorous computational fluid dynamics (CFD) simulation. This design maintains stable supply pressure across all branches under simultaneous operation or unbalanced flow conditions, preventing slow actuation or insufficient driving force caused by gas competition.
All channel transitions adopt large arc fillets to avoid stress concentration and sudden flow resistance elevation. Each output port reserves mounting positions for independent stop valve cores or flow adjustment needle valves, enabling on-site engineers to fine-tune branch flow rates and on-off states individually according to operational demands.
The mounting base undergoes precision grinding to ensure tight contact with mounting brackets and panels. All sealing interfaces adopt high-quality FKM or FFKM O-rings, delivering reliable sealing performance under long-term high-pressure cyclic operating conditions.
Key Features and Advantages
1. Ultra-High Cleanliness and Ultra-Low Particle Generation
Customized for stringent semiconductor cleanroom environments, all internal gas channels are electrochemically polished to achieve a surface roughness of Ra < 0.4 μm, effectively preventing particle adhesion and accumulation. The dead-space-free and liquid-residue-free channel design eliminates contamination risks caused by gas eddy currents and stagnation during gas distribution.
Every module undergoes strict ultrapure water cleaning and particle counting inspection before delivery. Its ultra-low particle generation level meets the most rigorous semiconductor cleanliness standards. It preserves the purity of compressed air and nitrogen driving media, avoiding abrasion of precision valve seals and secondary contamination of process chamber environments.
2. Highly Integrated Compact Design and Flexible Scalability
This pneumatic distribution module integrates multi-channel gas distribution functions, which traditionally require numerous discrete fittings and complex pipeline layouts, into a single compact metal block. The highly integrated structure drastically reduces on-tool pneumatic pipeline quantity, simplifying the layout of gas boxes and control cabinets and lowering potential leakage risks from excessive connection points.
Reserved spare output ports and optional flow regulation functions provide flexible system expandability. Users can add or adjust pneumatic actuators conveniently according to evolving application requirements, improving system compatibility and upgrade flexibility.
3. Superior Sealing Reliability and Extended Service Life
The seamless one-piece structure, precision-machined metal sealing surfaces, and high-performance fluororubber seals enable zero-leakage long-term operation under a maximum working pressure of 150 PSIG. The metal substrate passes rigorous corrosion resistance tests, resisting degradation caused by trace chemical gases in cleanroom environments.
The mounting and connection interfaces are optimized for frequent plugging, unplugging, and routine maintenance. The durability of push-to-connect and NPT interfaces is fully verified, maintaining stable sealing performance after long-term operation and repeated disassembly. This significantly reduces tool alarms and process abnormalities induced by pneumatic circuit leakage.
Application Fields
The Lam Research RPDB 224-006907 is widely deployed in front-end semiconductor manufacturing equipment, including plasma etching, atomic layer deposition (ALD), and wafer cleaning systems. It serves as a standard pneumatic control component for Lam Research 2300-series etchers, Flex-series deposition tools, and Versys-series cleaning tools.
Typical installation positions include tool gas boxes, equipment control cabinets, and areas adjacent to reaction chamber pneumatic actuators. The module distributes high-pressure clean compressed air or nitrogen to drive pneumatic diaphragm valve switching, robotic transmission cylinder telescopic motion, as well as lifting and rotating actuation of vacuum isolation valves and throttle valves.
This component solves two core pain points in semiconductor mass production. First, it realizes centralized management and reliable distribution of pneumatic driving sources for dozens to hundreds of on-tool actuators, ensuring precise delivery of sufficient air pressure and flow for each valve and cylinder at designated recipe timestamps to guarantee accurate automated sequencing.
Second, it optimizes tool space utilization and maintainability. Centralizing scattered pipeline connections into a single modular unit releases internal tool space. Routine maintenance and branch modification can be performed independently at corresponding output ports without disrupting the entire pneumatic network, greatly improving on-site maintenance efficiency and operational safety.
Related Products
- Lam Research RPDB 224-006905: Same-series pneumatic distribution manifold with identical structural design, featuring different output port quantities and interface specifications to adapt to pneumatic systems of different scales.
- Lam Research RPDB 224-006908: Integrated flow regulation model of the same series. Each output port is equipped with an independent precision needle valve for accurate individual branch flow calibration.
- Lam Research 853-167909-013: Matched pneumatic isolation valve assembly, controlled by the driving air pressure output from the RPDB 224-006907 module.
- Lam Research 872-200030-040: Supporting push-to-connect fittings and PU tubing kit for connecting module output ports to downstream pneumatic actuators.
- Lam Research 852-011101-001: Pneumatic solenoid valve, installed in series with module output branches to convert continuous air supply into on-demand pulsed driving gas.
- Lam Research 872-200030-015: Module mounting gasket kit, including base sealing O-rings and spare fasteners for panel installation.
Installation and Maintenance
Pre-Installation Preparation
Before installing the RPDB 224-006907, fully depressurize the main air supply pipeline and conduct thorough purging with clean dry air (CDA) or high-purity nitrogen to remove residual moisture, oil mist, and particles. All operations must be performed in a certified cleanroom with full cleanroom protective gear.
Inspect the module surface and all ports for burrs, scratches, and foreign contaminants. Wipe all sealing interfaces with lint-free cloths saturated with isopropyl alcohol (IPA). Fix the module on the mounting bracket or panel via reserved mounting holes with bolts tightened to specified torque values.
Connect the main supply pipeline to the inlet port, then attach branch tubing to corresponding downstream actuators. Ensure tubing cuts are flat and burr-free, with full insertion into push-to-connect fittings to form airtight seals. Secure all tubing with cable clamps to avoid sagging and excessive bending.
Maintenance Guidelines
During equipment operation, continuously monitor pneumatic system supply pressure and actuator response time via the tool control system. Delayed actuator motion indicates insufficient branch supply or internal channel blockage, requiring targeted inspection of corresponding ports and pipelines.
Perform monthly leakage detection on all module connection points using portable gas leak detectors or soap solution. Retighten fittings or replace O-rings immediately if leakage is detected. Regularly inspect tubing at push-to-connect ports for aging, hardening, and cracking, with timely replacement of defective components.
Annual maintenance requires module disassembly and full ultrasonic cleaning to remove accumulated trace oil mist and particles, followed by high-purity nitrogen blow-drying and reinstallation. All maintenance procedures must comply with official Lam Research safety specifications and operation manuals to ensure equipment and personnel safety.
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