ASML OCTU/UC 4022.192.9463 – Optical Column Timing Unit PCB Assembly | ASML Lithography Platform
Engineering Background: ASML’s lithography systems are the backbone of global semiconductor manufacturing, enabling chip geometries from 90 nm down to EUV sub-7 nm nodes. Within these precision platforms, the Optical Column Timing Unit (OCTU) and its associated Unified Controller (UC) boards govern the synchronization of optical column events — including reticle stage triggers, wafer stage handshakes, and illumination pulse timing. The PCB Assembly 4022.192.9463 is a critical sub-assembly within this timing and control architecture.
Product Positioning: This board is specified by process engineers and equipment maintenance teams at leading fabs worldwide when performing corrective maintenance, scheduled PM replacements, or system upgrades on ASML PAS and TWINSCAN-generation tools. Sourcing a verified, traceable replacement directly impacts tool uptime and yield — making supplier qualification non-negotiable.
Complete Technical Specifications
- Part Number: OCTU/UC 4022.192.9463
- OEM: ASML (Applied Semiconductor Lithography)
- Assembly Type: Printed Circuit Board Assembly (PCBA)
- Functional Module: Optical Column Timing Unit / Unified Controller
- Form Factor: Industrial VME / proprietary ASML backplane format
- Operating Environment: Cleanroom Class ISO 5 (Class 100) compatible
- Signal Interfaces: High-speed digital timing, optical trigger I/O, backplane bus
- Weight: ~2.6 kg (packaged)
- Condition: Refurbished / Surplus — fully tested and verified
- Warranty: 90-day functional warranty (Konmask standard)
Proven Application Environments
- ASML PAS 5500 Series — i-line and KrF steppers used in mature node production (0.25 µm–0.13 µm)
- ASML TWINSCAN XT Series — dual-stage immersion scanners for 90 nm–45 nm logic and memory
- ASML TWINSCAN NXT Series — advanced immersion platforms for 32 nm–7 nm nodes
- Semiconductor Fabs — Logic, DRAM, NAND Flash, and analog/mixed-signal production lines
- Equipment OEM Repair Centers — Third-party maintenance providers servicing ASML installed base
- University & R&D Lithography Labs — Research institutions operating ASML tools for process development
Engineering Advantages
- Timing Precision: Governs sub-microsecond synchronization between optical column events and stage motion — directly affecting overlay and CD uniformity
- Drop-in Replacement: Maintains full backward compatibility with ASML’s proprietary backplane and firmware ecosystem
- Reduced MTTR: Stocking this board reduces Mean Time To Repair from days (OEM lead time) to hours
- Tested to ASML Functional Spec: Each unit undergoes power-on, signal integrity, and bus communication verification before shipment
- Cleanroom-Safe Packaging: Shipped in ESD-protective, double-bagged packaging suitable for direct fab floor delivery
System Architecture & Signal Flow
Within the ASML optical column control hierarchy, the OCTU/UC board sits between the system-level reticle and wafer stage controllers and the illumination source timing chain. Its primary signal flow is:
- Input: Stage position encoder feedback → OCTU timing decoder
- Processing: Real-time event sequencing via onboard FPGA/DSP logic
- Output: Optical trigger pulses → illumination source; handshake signals → wafer stage UC
- Backplane Bus: VME-compatible high-speed data exchange with the main system controller
A fault on this board typically manifests as overlay errors, exposure timing alarms, or stage synchronization faults in the ASML diagnostic log — making it a primary suspect during corrective maintenance triage.
Sourcing & Quality Verification
- Traceability: Each unit is documented with serial number, removal history, and test records
- Functional Test: Power-on self-test (POST), bus communication check, and signal output verification
- Visual Inspection: IPC-A-610 Class 2 standard — no cold joints, lifted pads, or component damage
- ESD Handling: Full ESD-controlled handling throughout receiving, testing, and packaging
- Counterfeit Mitigation: Component-level verification against OEM reference boards; no remarked or relabeled ICs
Procurement Process
- Submit RFQ — Email support@konmask.com with your tool serial number and urgency level
- Receive Quote — Pricing, lead time, and test report summary provided within 24 hours
- Issue PO — Standard NET30 terms available for qualified accounts; T/T and credit card accepted
- Ship & Track — DHL Express / FedEx Priority with full tracking; export documentation included
- Incoming Inspection — Konmask provides test data package to support your incoming QC process
Technical FAQ
Q: Is this board compatible with both PAS 5500 and TWINSCAN platforms?
A: Compatibility depends on the specific tool configuration and firmware revision. Please provide your tool type and software version when submitting your RFQ so we can confirm fitment.
Q: What does the 90-day warranty cover?
A: The warranty covers functional failure under normal operating conditions. It does not cover damage from incorrect installation, ESD mishandling, or use outside the specified operating environment.
Q: Can you provide a test report before shipment?
A: Yes. A functional test summary is available upon request and can be included in the shipment documentation package.
Q: What is the typical lead time?
A: In-stock units ship within 1–3 business days. If the unit requires additional testing or configuration verification, lead time is 5–7 business days.
Q: Do you accept returns?
A: Returns are accepted within 30 days for units in original, uninstalled condition. Installed units are covered under the 90-day functional warranty only.
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