Description
1. Product Overview
LAM 810‑099175‑012 is a VIOP analog process I/O control board manufactured by Lam Research. Developed on the standard VME bus architecture, it serves as a dedicated measurement‑and‑control module for core process equipment of semiconductor etch and chemical vapor deposition (CVD). As the core signal‑interaction unit of wafer‑processing equipment, this board integrates high‑precision analog signal acquisition, process parameter regulation, equipment logic control, data communication and fault‑diagnosis functions. It is mainly responsible for real‑time monitoring and precise regulation of critical process parameters such as equipment pressure, gas flow and temperature. Featuring high sampling accuracy, fast process response, outstanding signal stability, dust‑proof and corrosion‑resistant performance for harsh semiconductor manufacturing environments, and complying strictly with SEMI industry safety standards, it guarantees the consistency and stability of wafer fabrication processes. It is widely deployed in high‑end chip manufacturing, wafer etching, thin‑film deposition and other precision semiconductor processes, acting as a critical core board for automatic control of semiconductor process equipment.
2. Core Functions
High‑precision multi‑dimensional process signal acquisition: Equipped with multiple high‑resolution analog‑input channels, it synchronously collects key process parameters including gas flow, chamber pressure, process temperature and vacuum degree from semiconductor equipment. Adopting a 16‑bit high‑precision sampling algorithm, it achieves extremely low acquisition error and captures subtle fluctuations of process parameters to ensure wafer‑fabrication accuracy.
Closed‑loop precise regulation of process parameters: It supports closed‑loop control via analog outputs and can work cooperatively with actuators such as MFC mass‑flow controllers, pressure‑regulating valves and temperature‑control modules. It corrects parameter deviations in real‑time and dynamically adjusts gas flow, chamber pressure and process temperature, effectively improving process uniformity and product yield for wafer etching and thin‑film deposition.
High‑speed data communication over VME bus: Built on the industrial‑standard VME bus, it enables high‑speed data transmission and real‑time command interaction with the host control system. It uploads process operation data, equipment status and parameter curves while receiving process‑control commands from the master controller, so as to realize full‑automatic and precise equipment management throughout production.
Comprehensive on‑board process fault diagnosis and protection: Dedicated semiconductor‑oriented diagnostic firmware monitors signal anomalies, circuit failures, parameter over‑limits and communication interruptions continuously. Fault codes and process logs are automatically recorded to pinpoint abnormal locations and trigger early warnings, which effectively avoids defective wafers, unexpected equipment shutdown and process interruption risks.
Operation under harsh clean‑room semiconductor conditions: Designed with reinforced industrial‑grade dust‑proof and corrosion‑resistant hardware, it adapts to constant‑temperature, low‑dust clean‑room environments. With excellent electromagnetic‑interference immunity against dense surrounding precision equipment, it supports 7×24‑hour non‑stop stable process operation.
- Modular design for rapid maintenance and replacement: Adopting a hot‑swap‑friendly plug‑in structure for standard VME racks, it is compatible with racks of Lam’s full lineup of etch and deposition tools. Faulty legacy boards can be replaced quickly for maintenance or system expansion without modifying core process logic or field wiring, greatly shortening equipment downtime.
3. Technical Specifications
| Parameter Item | Technical Specification |
|---|---|
| Model No. | 810‑099175‑012 |
| Brand | Lam Research |
| Product Type | VIOP Analog Process I/O Control Board |
| Bus Architecture | Standard VME Industrial Bus |
| Sampling Accuracy | 16‑bit high‑precision A/D conversion, well‑controlled process error |
| Core Functions | Process‑parameter acquisition; closed‑loop control for flow / pressure / temperature; bus communication; fault self‑diagnosis; process‑data traceability |
| Applicable Process Equipment | Semiconductor Etchers, CVD Thin‑Film Deposition Tools, Wafer‑Processing Equipment |
| Compatible Field Devices | MFC Mass‑Flow Controllers, Pressure‑Regulating Valves, Process Temperature‑Control Modules, Vacuum Sensors |
| Compliance Standard | SEMI S2 Semiconductor‑Equipment Safety Specification |
| Operating Environment | Semiconductor clean‑room, constant‑temperature low‑dust precision‑process conditions |
| Installation | Plug‑in mounting for standard VME racks |
| Key Features | High‑precision process measurement & control; high‑speed bus transmission; strong anti‑interference capability; intelligent fault diagnosis; optimized for precision semiconductor manufacturing |
4. Working Principle
The LAM 810‑099175‑012 board implements a full‑process control workflow: process‑signal acquisition → high‑precision conditioning & computation → closed‑loop regulation → bus‑based data exchange → fault traceability. During equipment operation, multiple analog channels synchronously pick up raw signals for chamber pressure, process‑gas flow, substrate temperature and vacuum level. On‑board high‑precision circuits perform signal filtering, waveform shaping, voltage stabilization and analog‑to‑digital conversion, removing measurement errors caused by clean‑room electromagnetic noise and transient signal fluctuations to restore accurate process values. The on‑board processing unit compares measured real‑time parameters against pre‑defined process recipes and outputs adjusted analog control signals to precisely drive actuators such as MFCs and pressure‑control valves, completing closed‑loop calibration. Process data and equipment status are uploaded continuously over the VME bus while runtime logs and fault records are stored. Alerts and protection actions will be triggered once parameter over‑ranges or circuit abnormalities are detected, maintaining stable wafer‑etching and thin‑film‑deposition recipes and preventing yield loss caused by process drift.
5. System‑Architecture Compatibility
This board is an original‑equipment‑manufacturer dedicated I/O module for Lam semiconductor systems. Built on the standard VME bus, it is fully compatible with the host controllers of Lam’s full‑range etchers and CVD deposition equipment. Plug‑and‑play functionality eliminates complex recalibration during direct replacement of aged faulty boards, supporting equipment maintenance, system upgrades and process capacity expansion. It can seamlessly interface with mainstream field devices for semiconductor equipment, including MFC mass‑flow controllers, pressure sensors, temperature sensors and vacuum monitoring modules with zero signal‑mismatch issues. Standardized process data can be transmitted to supervisory control platforms for real‑time parameter monitoring, trend analysis, data archiving and full‑process traceability. The rack‑mounted plug‑in form factor allows retrofits of existing wafer‑fabrication control architectures with no rewiring or major changes to original master‑control logic.
6. Application Scenarios
This product targets high‑end precision semiconductor manufacturing requiring clean‑room environments, ultra‑high process accuracy and non‑stop long‑term production. It is primarily installed on core‑process equipment for wafer etching, chemical vapor deposition (CVD) and physical vapor deposition (PVD). It accurately governs critical recipe variables including process‑gas flow, chamber pressure and substrate temperature, ensuring thin‑film uniformity and etch precision for advanced‑node chips and 3D‑NAND memory fabrication. It is widely adopted across wafer foundries, chip‑manufacturing fabs, semiconductor‑equipment R&D and maintenance workshops as a key control component for precision‑process automation. Leveraging high measurement accuracy, long‑term operational stability and excellent process compatibility, it guarantees recipe repeatability, improves production yield, reduces unplanned downtime and process‑drift‑related losses, and delivers reliable long‑run support for high‑end semiconductor manufacturing equipment.
