Description
1. Product Overview
Part Number: 810-102361-222
Manufacturer: LAM Research, USA
Applicable Equipment: LAM semiconductor etching and thin-film deposition process equipment, an EOL core maintenance spare part for wafer process equipment.
Product Definition: CHAMBER MUX & INTERLOCK CONTROL BOARD. It serves as the core signal interaction and safety interlock component for semiconductor process equipment. It implements multi-channel chamber signal multiplexing acquisition, signal conditioning, real-time chamber status monitoring and hardware safety interlock judgment. It collects key parameters such as chamber pressure, temperature, vacuum degree and door status, executes hardware protection to avoid process abnormalities and equipment damage, and ensures stable and safe operation of wafer etching and deposition processes.
2. Hardware Structure & Functional Units
2.1 Multi-Channel Chamber Signal Multiplexing Unit
Integrated multi-channel analog and digital signal multiplexing array supports time-sharing acquisition and switching of multi-chamber process signals. It adapts to various sensor and switch signals, simplifies internal equipment wiring, eliminates signal crosstalk, and ensures continuous and consistent process signal collection.
2.2 High-Precision Signal Conditioning Unit
Built-in filtering, impedance matching and amplitude conditioning circuits eliminate high-frequency electromagnetic interference and power noise. It calibrates weak process signals to ensure accurate and drift-free collection of pressure, temperature and vacuum parameters, providing reliable data support for precise process closed-loop control.
2.3 Hardware Safety Interlock Judgment Unit
Independent hardware interlock logic operates without software intervention. It instantly locks process gas circuit conduction, chamber startup and high-voltage process loading when abnormal chamber status is detected. Fault status is hardware latched to prevent dangerous working conditions and provide bottom-layer safety protection for precision process equipment.
2.4 On-Board Diagnosis & Fault Latch Unit
Automatic power-on self-test covers all signal channels, power supply and chip operating status. It monitors channel disconnection, sensor failure, signal over-range and communication abnormality, latches fault codes and locations. Front-panel indicators display real-time operating and fault status for efficient on-site troubleshooting.
2.5 High-Speed Bus Data Interaction Unit
Dedicated industrial bus interface realizes high-speed bidirectional communication with the main control system. It uploads real-time process parameters, equipment status and alarm events, and receives control commands to complete closed-loop linkage control, ensuring accurate timing and logic coordination of the whole process equipment.
2.6 Precision Industrial Reinforcement Unit
Multi-layer gold-plated PCB with full conformal coating for dust, moisture and corrosion resistance. Reinforced SMT component welding ensures stable operation. Fanless maintenance-free design meets cleanroom EMC and cleanliness standards, supporting 24/7 uninterrupted precision process operation.
3. Technical Specifications
3.1 Core Functional Parameters
Part Number: 810-102361-222
Board Type: Chamber Mux & Safety Interlock Control Board
Applicable Devices: LAM Semiconductor Etcher / Thin-Film Deposition Equipment
Core Functions: Multi-channel signal multiplexing, signal conditioning, hardware interlock, fault diagnosis, bus communication
Monitoring Signals: Chamber pressure, temperature, vacuum, door interlock, gas circuit status
Protection Mode: Hardware instant interlock & fault latch
Reset Mode: System permission reset / power cycle reset
Operation Mode: Fanless passive cooling, 24/7 continuous operation
3.2 Electrical & Communication Parameters
Rated Power Supply: 24VDC industrial DC power
Voltage Tolerance: 18~30VDC wide voltage adaptation
Built-in Protection: Reverse polarity, over-current, ESD, surge and signal overvoltage protection
Communication Bus: LAM proprietary high-speed industrial internal bus
Hot Swap: Hot plugging is strictly prohibited
Typical Power Consumption: ≤8W
3.3 Environmental Parameters
Operating Temperature: 10℃ ~ +60℃ (cleanroom constant temperature)
Storage Temperature: -40℃ ~ +85℃
Humidity: 5%~95%RH non-condensing, no corrosive gas and dust pollution
Application Environment: Semiconductor dust-free cleanroom, precision equipment cabinet
EMC Grade: Industrial Class A, low interference precision control standard
Continuous Operation: 24/7 long-term stable operation
3.4 Mechanical Parameters
Mounting Method: Embedded slot fixing for original equipment rack
Base Material: V0 flame-retardant gold-plated PCB with anti-oxidation precision contacts
Structural Feature: Compact single-slot modular design with vibration-resistant reinforced components
4. Core Product Advantages
1. Integrated multi-signal multiplexing simplifies equipment architecture and reduces wiring failure points.
2. High-precision signal conditioning eliminates interference drift and guarantees wafer process accuracy and yield.
3. Hardware-level instant interlock prevents dangerous process operation and avoids major equipment and production losses.
4. Full-coverage self-diagnosis realizes fast fault location and reduces equipment downtime.
5. Original standard pin-to-pin design supports plug-and-play replacement without program modification.
6. Clean-grade fanless design adapts to semiconductor cleanroom high-precision and high-reliability operation requirements.
5. Application Scenarios
Core signal acquisition and safety interlock control for LAM semiconductor etching and thin-film deposition equipment; faulty board replacement and signal loop renovation for aging process equipment; performance upgrade and spare part stocking for wafer production line equipment; multi-chamber precision process equipment monitoring and interlock system transformation.
