ASML 4022.454.8555 Stepper Barcode Reader – Automated Identification for Lithography

The ASML 4022.454.8555 is a barcode reader specifically designed for integration into ASML stepper lithography systems. This device enables automated identification and tracking of wafers, reticles, and other production materials, facilitating efficient material management, process control, and traceability. Its reliable reading performance and seamless system integration make it an essential component for high‑volume semiconductor manufacturing.

Overview of the Barcode Reader

The barcode reader is a compact, high‑speed optical scanner that decodes standard 1D and 2D barcodes printed on wafer carriers, reticle pods, and other containers. It interfaces with the stepper's host computer to provide real‑time identification data, which is used for recipe selection, process tracking, and inventory management.

Technical Specifications

• Part Number: 4022.454.8555

• Product Type: Barcode reader

• Scanning Technology: Laser or CCD (specific to model)

• Supported Codes: Code 39, Code 128, Data Matrix, QR code

• Reading Distance: 50 mm – 200 mm

• Resolution: 0.1 mm (minimum element width)

• Communication Interface: RS‑232, Ethernet, USB

• Power Supply: 5 VDC, 2 W

• Operating Temperature: 10 °C to 40 °C

• Protection Class: IP40

• Dimensions: 80 mm x 60 mm x 30 mm

• Weight: 0.2 kg

Reading Performance

The reader is optimized for fast and accurate decoding, even on partially damaged or low‑contrast barcodes. It includes automatic gain control and noise filtering to ensure reliable reads in variable lighting conditions.

Integration with ASML Steppers

The reader is designed to connect directly to the stepper's I/O or communication ports. It can be configured to trigger reads automatically when a carrier is placed in the read zone, or manually via software command.

Application Areas

Used for wafer tracking, reticle management, lot identification, and process recipe selection.

Installation and Calibration

Installation involves mounting the reader in the designated position and connecting cables. Calibration includes setting read distance and lighting parameters.

Maintenance

Regular cleaning of the optical window is recommended. Firmware updates may be available for improved performance.

Compliance

Complies with CE, RoHS, and applicable safety standards.

Conclusion

The ASML 4022.454.8555 barcode reader provides reliable automated identification for efficient semiconductor manufacturing.