Description
The Lam Research 810-800256-207 (frequently designated as a Control Type 3 Node Board or Interlock Control Module) is a specialized, high-reliability embedded controller card deployed within Lam Research semiconductor manufacturing equipment (such as etch, CVD, or ALD processing chambers).
Operating at the tool’s localized cluster level, this hardware serves as a distributed node in a real-time network. It manages hardware interlocks, coordinates subsystem states, and safely transitions gas delivery, RF plasma generation, and wafer handling sub-assemblies.
Commercial Availability & Procurement
| Lifecycle and Logistics | Status & Details |
| Product Condition | New Surplus (Factory Sealed) or Refurbished/Repaired (Fully validated and component-stressed on specialized Lam simulator rigs) |
| Warranty | 12-month industrial-grade hardware warranty |
| Availability | Available via specialized semiconductor aftermarket and automation channels; ships worldwide in 24 to 48 hours |
| Pricing Note | Price varies significantly depending on fab authorization status and core exchange options. Contact your semiconductor parts desk for a formal RFQ. |
Technical Specifications
| Parameter | Specification / Value |
| Component Family | Semiconductor Processing Tool Infrastructure / Control Type 3 |
| Part Number | 810-800256-207 (Common revisions include Rev E) |
| Module Classification | Distributed DeviceNode / Interlock Control Board |
| Input Operating Voltage | Low-voltage DC input rails (Typical +24 VDC / +5 VDC system loops) |
| Bus Communication | High-speed, deterministic internal tool network (e.g., EtherCAT or dedicated fieldbus variants) |
| I/O Integration | High-density multi-pin ribbon and D-sub connectors for discrete digital and safety loops |
| Circuit Board Features | Multi-layer PCB populated with high-reliability surface-mount technology (SMT) |
| Protective Coating | Standard conformal coating to mitigate chemical vapor or cleanroom outgassing issues |
Core Functionality & Interlock Safety
The 810-800256-207 functions primarily as a safety gatekeeper at the process chamber interface tier. It isolates hardware execution layers from the main tool controller to enforce strict execution rules:
- Hardware Interlock Supervision: The board continuously samples hardware status inputs (such as vacuum level switches, exhaust flow indicators, gate valve positions, and chamber lid closures). If any sensor leaves its safe operating profile, the board instantly drops its local safety relays, cutting power to dangerous subsystems like RF generators or toxic gas MFCs without waiting for software commands from the host computer.
- Deterministic Subsystem Coordination: By processing sensor variables at the edge, the Type 3 node board ensures that sub-millisecond sequencing—such as shutting off an active plasma field before a slit valve opens—occurs without network jitter or lag.
Field Replacement & Fab Integration Guardrails
When troubleshooting, diagnosing, or hot-swapping a 810-800256-207 card inside a semiconductor fabrication plant cleanroom, technicians must follow strict integration steps:
Hardware Addressing & Node ID Verification
Distributed node cards inside a tool cluster rely on physical or electronic hardware identifiers to determine their exact role in the system.
Critical Field Note: Prior to inserting the replacement board into the card cage slot, inspect the side and front surfaces of the PCB for hardware DIP switches or rotary dials. These switches define the card’s specific network Node ID. Sliding a replacement board into a live rack with factory-default switch settings will create an addressing conflict, cause a tool initialization failure, and prevent the main software GUI from recognizing the chamber.
Cleanroom & ESD Protocols
- Static Mitigation: This node board is highly populated with static-sensitive, low-voltage digital signal processors and logic gates. Wear a certified cleanroom-compatible ESD grounding wrist strap connected to the chassis frame before unboxing or touching the assembly.
- Vacuum and Gas Isolation: Because this board controls primary interlocks, the process tool must be placed into a safe maintenance mode, and the chamber must be fully vented and isolated from chemical gas loops before replacing the card.
Frequently Asked Questions
Q: What is the significance of the trailing suffix variation (e.g., 810-800256-005 vs -207)?
The trailing suffix extensions delineate firmware builds, component upgrade revisions, or specific tool generation calibrations. While a -005 board and a -207 board might utilize identical blank PCB fiberglass substrates, their internal logic configurations, FPGA code maps, or on-board voltage regulators are distinct. Never substitute a suffix variant unless it is officially approved by factory update logs.
Q: What are the primary failure symptoms of a malfunctioning Type 3 Node Board?
Hardware failures typically present as sudden communication drops on the VME or EtherCAT master loop, flagging errors such as “Node Timeout” or “Chamber Interlock Open” on the control screen. If an individual digital input filter optocoupler fails on the board, the tool may falsely report that a closed gate valve is still open, bringing the automatic sequence to an immediate halt.
Q: Can this board be tested or calibrated using a standard industrial PLC test bench?
No. The 810-800256-207 uses proprietary communications protocols and electrical pinning exclusive to Lam Research architectures. Diagnostic verification requires an advanced semiconductor board tester capable of emulating the specific network master commands and loading the specialized tool firmware stack.
