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Lam Research 810-495659-308 810-006490-006 Functional Board
Lam Research 810-495659-308 810-006490-006
Product Overview
The Lam Research 810-495659-308 is a custom-designed Printed Circuit Board Assembly (PCBA) manufactured by Lam Research Corporation exclusively for its state-of-the-art semiconductor etching and deposition equipment. Officially designated as “PCB ASSY PWR SPLY ESC Bicep II Dc-probe”, this component serves as the core power and control unit for the equipment’s Electrostatic Chuck (ESC). It delivers precise and stable power supply while integrating a DC probe interface to monitor the chuck’s clamping status and critical electrical parameters in real time.
In core wafer fabrication processes, the ESC securely holds wafers on the vacuum chamber pedestal via electrostatic force. This maintains sub-nanometer positional accuracy and superior thermal uniformity during plasma etching and thin-film deposition processes. As the precision control hub that converts system control commands into accurate ESC driving signals, the Lam Research 810-495659-308 is essential for consistent process repeatability and high wafer yield rates.
As part of Lam Research’s highly modular spare parts ecosystem, this PCBA is widely compatible with mainstream 2300 Series and Exelan Series etching platforms, including Kiyo®, Versys®, and Flex™ models. Featuring a highly integrated design, it consolidates power management, signal conditioning, and sensing monitoring functions on a single robust circuit board, significantly simplifying internal equipment wiring and enhancing overall system reliability. When equipment diagnoses issues such as “tune motor stall” or “high reflected power” after eliminating external faults, replacing the 810-495659-308 PCBA is the key solution to restore full equipment performance. This high-precision board embodies Lam Research’s profound expertise in core semiconductor equipment control technology and is an indispensable component for stable and efficient operation of advanced global logic and memory chip production lines.
Product Specifications
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Parameter Name
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Parameter Value
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Product Model
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810-495659-308
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Manufacturer
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Lam Research Corporation
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Product Type
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ESC Power Supply & Control PCBA (Bicep II DC-Probe)
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Functional Description
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Provides regulated power supply for ESC; monitors clamping force and electrical parameters in real time via DC probe interface
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Compatible Platforms
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Lam 2300® / Exelan® Series Etchers (Kiyo, Versys, Flex)
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Power Handling Rating
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Supports system configurations with peak RF power ≥ 3000W
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Connection Interfaces
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High-voltage coaxial connector, ceramic vacuum feedthrough, multi-pin signal connector (factory customized)
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Hardware Revision
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Rev B, Rev C, Rev D and other iterative versions
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Materials & Construction
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High-purity alumina ceramic insulator, oxygen-free copper conductor, vacuum brazed hermetic structure
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Operating Environment
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Installation only permitted in Class 1000 or higher cleanrooms
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Certification & Compliance
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Complies with Lam internal engineering specification SPEC-810-495659 Rev.3+ and SEMI F57 standards
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Structure & Composition
The internal structure of the Lam Research 810-495659-308 fully meets the ultra-high cleanliness and reliability requirements of advanced semiconductor equipment. Built on a precision-engineered PCB substrate mounted with high-quality surface-mount components, the board’s core technical value lies in its partitioned functional circuitry, which is divided into three core units: a high-voltage power input and filtering unit, an ESC drive and logic control unit, and a DC probe signal detection and feedback unit.
The high-voltage power input unit receives DC bus voltage from the equipment backplane and purifies power through an onboard π-type LC filter to eliminate high-frequency noise, delivering stable power input for subsequent circuit operation. The ESC drive and logic control unit integrates high-precision power amplifiers and closed-loop control circuits, generating accurate driving voltages based on host computer commands to achieve fine control over ESC wafer clamping and release cycles.
The critical DC probe signal detection and feedback unit adopts a precision resistor network and high-resolution Analog-to-Digital Converter (ADC) to real-time monitor key ESC parameters including current and voltage. Collected data is fed back to the main controller to form a complete closed-loop control system. The 810-495659-308 features a compact layout optimized for heat dissipation and signal integrity. Its multi-pin connector ensures stable connection with the equipment backplane, maintaining consistent electrical contact even after frequent maintenance plug-and-pull operations.
Key Features & Advantages
1. High Integration & Precise Performance
As a highly integrated functional board, the 810-495659-308 unifies complex power management and high-precision sensing capabilities in a single module. It enables fine adjustment of ESC clamping force to keep wafers completely stable during plasma etching and deposition processes. The optimized circuit design minimizes signal crosstalk and electrical noise, ensuring high accuracy and real-time responsiveness of control commands and feedback data — a fundamental prerequisite for nanometer-level process control precision.
2. Superior Reliability & Long Service Life
Manufactured under Lam Research’s stringent industry-leading quality standards, each 810-495659-308 utilizes rigorously screened industrial-grade components and undergoes full-process manufacturing and professional testing. The board is engineered to support 24/7 continuous high-load operation of semiconductor equipment for months. It delivers excellent resistance to temperature fluctuations and electromagnetic interference, maintaining stable performance throughout preventive maintenance (PM) cycles and effectively reducing unplanned equipment downtime risks.
3. Modular Design & Easy Maintenance
Adopting a standard modular architecture, the board supports qualified hot-swap replacement in compliance with operational specifications. When ESC control-related faults occur, trained technicians can quickly locate and replace the 810-495659-308 unit. This reduces Mean Time To Repair (MTTR) from several hours to minutes, significantly improving Overall Equipment Effectiveness (OEE) and lowering long-term fab maintenance costs.
Application Fields
The Lam Research 810-495659-308 is exclusively applied to the core front-end processes of semiconductor wafer fabrication: plasma etching and thin-film deposition. It acts as a critical behind-the-scenes component for high-value semiconductor manufacturing equipment. Specifically, it is widely deployed on Lam Research 2300 Kiyo® (dielectric etching), Versys® (conductor etching), and Exelan® Flex etching platforms for the production of logic chips (CPU, GPU) and memory chips (DRAM, 3D NAND Flash).
In mass production environments, the 810-495659-308 serves two key purposes. First, it is a standard scheduled replacement part in fab preventive maintenance workflows, proactively replaced before performance degradation to avoid potential process anomalies. Second, it functions as an emergency repair spare part for sudden equipment faults such as matcher tuning failure and abnormal ESC clamping alarms, enabling rapid production recovery and avoiding massive yield losses from prolonged downtime. For process engineers, a fully functional 810-495659-308 guarantees stable and controllable etching rate, process uniformity, and Critical Dimension (CD), supporting high-yield chip delivery.
Related Products
Lam Research 810-006490-006: A core complementary PCBA in the Lam 2300® ESC drive subsystem (industrially known as “Bicep”). It undertakes pre-stage filtering, driving and detection for ESC high-voltage operation, forming a complete functional system with the 810-495659-308.
Lam Research 810-495658-xxx: Prefix part number for the upper-level Matching Network Assembly that integrates the 810-495659-308 sub-board. Compatibility verification with the assembly number is mandatory prior to internal sub-board replacement.
Lam Research 810-102361-222: A high-value core spare part in Lam Research etching equipment inventory, covering ESC ceramic components, chamber assemblies and gas system modules.
Lam Research 810-800082-043: An original certified unique identification part for specific components in Lam equipment ecosystems, including RF matcher assemblies, gas path modules and dedicated PCBs.
Lam Research 810-002895-203: A key 810-series spare part, mainly used as RF components or vacuum chamber parts to ensure wafer process uniformity and stability.
Installation & Maintenance
Pre-Installation Preparation
All installation operations must strictly follow semiconductor equipment safety protocols. Installation shall only be performed by Lam-certified professional technicians in a Class 10 or higher cleanroom environment. Cut off the main equipment power and complete Lockout/Tagout (LOTO) procedures before operation. Operators must wear full cleanroom garments, anti-static gloves and wrist straps to prevent Electrostatic Discharge (ESD) damage to precision electronic components. Record all cable and connector positions during disassembly, and ensure full alignment and secure insertion of all connectors during reinstallation to avoid bent pins or poor contact.
Maintenance Guidelines
Routine maintenance of the 810-495659-308 focuses on preventive inspection. During periodic equipment maintenance, visually check for loose, corroded or burnt connectors around the board, and remove process byproduct deposits on and around the PCB surface. In case of ESC control anomalies, communication failures or power alarms, replace the 810-495659-308 for fault isolation testing per the equipment manual’s fault tree analysis.
After any replacement, run official equipment diagnostic programs to verify full board functionality. Process calibration is typically required to restore the equipment to optimal production status and ensure consistent process performance.
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