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Lam Research 810-002895-233 RF Component
Lam Research 810-002895-233
Product Overview
Model 810-002895-233 is a critical Radio Frequency (RF) power distribution and matching component designed by Lam Research, a world-leading semiconductor equipment manufacturer, for its advanced plasma etching and deposition systems. Unlike general-purpose industrial control spare parts, this module is a highly customized application-specific component that undertakes the core function of ensuring accurate transmission and distribution of RF energy in Lam Research equipment.
As an integral part of the RF transmission system of etching tools, the 810-002895-233 precisely distributes power from RF generators to multiple electrodes of the reaction chamber with extremely low reflection loss, generating uniform and stable plasma. Its performance directly determines the wafer processing uniformity, etching rate, and Critical Dimension (CD) control accuracy, serving as a core guarantee for the yield rate of the entire manufacturing process.
For semiconductor manufacturers, adopting the original factory-certified 810-002895-233 component is a fundamental prerequisite for equipment to achieve optimal performance, reduce process deviations, and extend equipment uptime under advanced process nodes. Far beyond an ordinary spare part, it is a strategic investment that directly affects production efficiency and product quality.
Product Parameters
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Parameter Name
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Parameter Value
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Product Model
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810-002895-233
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Manufacturer
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Lam Research
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Product Type
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RF Power Distribution / Matching Component
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Applicable Systems
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Lam Research 2300 Series and partial Versys Series Etchers
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RF Frequency Range
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Typically operates in multi-band: 2 MHz, 27 MHz, 60 MHz
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Maximum Input Power
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Generally above 3 kW (configuration-dependent)
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Channel Quantity
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Multi-channel (2 or 4 channels, subject to chamber design)
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Interface Type
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Custom RF connectors (e.g., 7/16 DIN or N-type)
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Cooling Method
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Water cooling (matched with equipment cooling circulation system)
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Material
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High-conductivity copper alloy + PTFE insulating material
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Operating Temperature
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20°C – 25°C (affected by cooling water temperature)
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Installation Method
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Installed via dedicated internal slots or brackets of equipment
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Structure and Composition
The 810-002895-233 is a highly integrated precision component that embodies Lam Research’s profound expertise in RF engineering. It mainly consists of three core functional units: input power distribution network, impedance matching and sensing network, and output power synthesis and distribution network.
The fully enclosed shielded housing is made of high-permeability metal materials, which minimizes RF leakage and external Electromagnetic Interference (EMI). The internal core conductors adopt high-purity copper alloy to ensure ultra-low RF loss, with precision silver-plated or gold-plated surfaces to enhance electrical conductivity and oxidation resistance.
High-precision directional couplers and Voltage/Current (V/I) sensors are integrated at key nodes. These sensing elements can detect the amplitude and phase of forward power, reflected power, RF voltage and current in real time, providing critical feedback data for the upper control system.
Designed for high-power RF transmission up to several kilowatts, the internal impedance transformation network can quickly respond to subtle changes in plasma load. It dynamically adjusts the matching state through motor-driven vacuum capacitors or variable inductors, ensuring maximum-efficiency coupling of RF energy into the reaction chamber at all times.
Key Features and Advantages
1. Ultimate Process Compatibility and Precision
Tailored exclusively for Lam Research’s specific process chambers, the 810-002895-233 features precisely calculated and calibrated internal electrical length, characteristic impedance and distribution ratio. Non-original or uncertified alternative parts are prone to impedance mismatch, which increases reflected power, reduces etching rate, and causes uneven plasma distribution. This further negatively impacts wafer-level CD uniformity and Line Width Roughness (LWR). In contrast, the original 810-002895-233 guarantees highly consistent process results for every wafer.
2. High Reliability and Fast Response Capability
Plasma processing features rapidly changing load characteristics. Equipped with high-speed sensing and response mechanisms, the 810-002895-233 tracks and compensates for plasma impedance variations at the millisecond level, keeping reflected power at an extremely low level (typically less than 2% of total power). This not only protects expensive RF generators but also ensures process stability and repeatability, significantly improving product yield.
Its robust mechanical structure and optimized heat dissipation design deliver long-term reliability under continuous high-power operation, reducing unplanned equipment maintenance and downtime.
Application Fields
The 810-002895-233 is professionally applied to plasma etching and Plasma-Enhanced Chemical Vapor Deposition (PECVD) equipment in the front-end semiconductor manufacturing process. It serves as a core part of the RF transmission system for Lam Research 2300 Series etchers (e.g., Kiyo and Flex series) and partial Versys Series equipment.
In industrial applications, this component generates and controls plasma for dielectric etching, silicon etching, metal etching, and various thin-film deposition processes. By precisely distributing and matching RF energy, it directly regulates plasma density and distribution in the process chamber, affecting key process indicators including etching rate, selectivity, sidewall profile, and deposition uniformity.
It is an indispensable core component for manufacturers of advanced logic chips, DRAM and 3D NAND flash memories who pursue high yield rates, low defect rates and strict process window control.
Related Products
- 810-002895-101: Same-series RF matching component, a low-power version of 810-002895-233, applicable to low-power or single-band Lam Research equipment.
- 810-004153-011: RF power divider with similar core functions, designed for specific high-frequency (e.g., 60MHz) chamber configurations.
- 810-001456-112: Complete RF matching network assembly, usually included in the upper assembly of 810-002895-233, for upgrading specific legacy equipment models.
- 830-101240-012: Dedicated RF calibration tool for Lam Research equipment, used for RF path verification and calibration after 810-002895-233 replacement.
- 800-109736-001: High-power RF cable kit matched with 810-002895-233, for connecting RF generators and the core component.
- 810-003456-002: RF distribution component for High-Density Plasma (HDP) CVD equipment, with similar functions but differentiated design parameters.
- 852-002374-100: Standard spare part kit for 810-002895-233, including installation consumables such as sealing rings, screws and thermal grease.
Installation and Maintenance
Pre-installation Preparation
The installation of 810-002895-233 is a highly professional operation that must be performed by Lam Research trained and certified engineers. Before installation, ensure the equipment is fully shut down and powered off (including all RF power, main power and gas pipelines), and all energy storage components are completely discharged.
The installation environment must be a qualified clean room (Class 1000 or higher). Prepare professional tools including a torque wrench, dedicated RF connector installation tools and ESD protection equipment. Inspect the new component for physical damage or contamination on all interfaces, and confirm the intactness of sealing rings on cooling water ports.
All RF connectors must be tightened in accordance with Lam Research standard torque specifications to ensure ultra-low contact resistance and minimal RF leakage.
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