Description
The Kokusai KOMS-A2 CXP-544A is a specialized electronic control board designed for high-precision semiconductor manufacturing equipment. Primarily used within Kokusai Electric’s thermal processing and thin-film deposition systems, this module serves as a critical interface for machine logic and sequence control. The CXP-544A variant is engineered to manage high-speed data acquisition and signal processing, ensuring the extreme stability required for silicon wafer processing.
Technical Specifications and Datasheet
- Product Model: KOMS-A2 CXP-544A
- Manufacturer: Kokusai Electric (formerly Hitachi Kokusai)
- Part Number: CXP-544A
- Device Type: Main Control / Logic Processing Board
- System Compatibility: VERTEX and Quixace Series Thermal Systems
- Input Voltage: +5V / +12V DC (Standard Logic Levels)
- Communication Interface: Proprietary Kokusai Bus Architecture
- Dimensions: 230 mm x 160 mm x 20 mm
- Weight: 0.38 kg
- Country of Origin: Japan
- Operating Environment: Cleanroom Grade (Class 1-100)
KOKUSAI KOMS-A2 CXP-544A
KOKUSAI KOMS-A2 CXP-544A
Application Areas
The KOMS-A2 CXP-544A is a vital component in specialized fabrication environments, specifically:
- Semiconductor Fabrication: Controlling the timing and sequence of Batch Thermal Processes.
- Chemical Vapor Deposition (CVD): Managing gas flow and temperature ramp-up logic for film growth.
- Diffusion Furnaces: Monitoring real-time sensor feedback to maintain uniform heat distribution across wafers.
- Substrate Handling: Coordinating the robotics and vacuum systems within Kokusai VERTEX systems.
Product Instructions
Installation of the KOMS-A2 CXP-544A should only be performed by trained technicians familiar with semiconductor tool maintenance. Before handling the board, ensure that full ESD (Electrostatic Discharge) precautions are taken, as the high-precision logic components are highly sensitive. The board should be firmly seated into its designated slot in the control rack with the system power completely discharged. Configuration of the board parameters is usually handled via the machine’s primary UI; however, some CXP-544A revisions may require specific jumper settings to define its station address on the internal bus. Check the diagnostic LEDs upon startup—a steady green “RUN” or “RDY” indicator confirms successful initialization.
Frequently Asked Questions (Q&A)
Q: Can the CXP-544A be repaired if a component fails? A: Due to the complexity of the multi-layer PCB and specialized ICs, component-level repair is difficult. It is generally recommended to replace the module or send it to a certified industrial electronics repair facility specializing in Kokusai parts.
Q: Is the KOMS-A2 CXP-544A compatible with all Kokusai furnaces? A: No, it is specific to certain generations of the VERTEX or Quixace platforms. Always verify the part number and revision level (A1, A2, etc.) against your machine’s technical manual before installation.
Q: How should I store a spare CXP-544A board? A: The board must be stored in an anti-static (ESD) moisture-barrier bag in a temperature-controlled environment to prevent oxidation of the contacts and degradation of the electronic components.
Access our full inventory of technical spare parts here: https://www.newplcdcs.com/products/
Recommended Similar Models
- Kokusai KOMS-A1: The predecessor logic board for earlier system revisions.
- Kokusai CXP-544B: An updated version of the CXP-544 series with enhanced processing.
- Kokusai V-5000 Series Modules: Power and control components for VERTEX thermal tools.
- Hitachi Kokusai KOMS-D1: Digital I/O interface module used in similar control architectures.
- Kokusai KOMS-A2 CXP-533: A related communication interface board for semiconductor tool networking.
