EWIN-TECH SCP-4LD Benchtop Spin Coater

Overview

The EWIN-TECH SCP-4LD Benchtop Spin Coater is a precision-engineered thin-film deposition instrument designed for controlled, repeatable spin coating of photoresists, polymer solutions, conductive inks, and functional coatings onto flat substrates. Operating on the principle of centrifugal force-driven fluid thinning and solvent evaporation, the SCP-4LD delivers uniform film thickness through precisely regulated rotational acceleration, dwell time, and deceleration profiles. Its modular architecture separates the drive unit from the process chamber—enabling seamless integration into inert-atmosphere gloveboxes (N₂ or Ar), cleanroom benches, or standard laboratory workstations. The system is optimized for R&D-scale semiconductor fabrication, microfabrication, and optoelectronic device prototyping where substrate-level reproducibility, process traceability, and material conservation are critical.

Key Features

• Compact footprint (W × D × H: 280 × 320 × 260 mm) with glovebox-compatible dimensions—ideal for space-constrained environments including Class 1000 cleanrooms and nitrogen-purged enclosures.
• High-resolution speed control: 100–10,000 rpm with ±1 rpm setpoint resolution and <±0.5% speed stability under load, ensuring consistent shear rate application across diverse viscosity ranges (1–10,000 mPa·s).
• Dual-mode operation: Single-step rapid coating (for screening) and multi-step programmable sequences (up to 10 independent recipes, each with up to 5 discrete acceleration/rotation/dwell/deceleration phases).
• Chemically resistant polypropylene (PP) process chamber with integrated concave splash guard geometry—minimizes edge bead formation and aerosol generation while enabling full disassembly for solvent-based cleaning.
• Industrial-grade PLC-based motion controller with real-time torque monitoring and adaptive motor current regulation—prevents overspinning during high-viscosity dispense and mitigates substrate slippage.
• 4.3-inch capacitive color touchscreen interface with intuitive icon-driven navigation, parameter locking, and on-screen recipe validation prior to execution.
• Integrated motor protection logic: automatic stall detection and immediate shutdown upon abnormal current draw—prevents resin ingress into motor housing and extends service life.

Sample Compatibility & Compliance

The SCP-4LD accommodates circular wafers and planar substrates ranging from Ø5 mm to Ø100 mm—including silicon, glass, quartz, sapphire, flexible PET/PI foils, and metal-coated carriers. Chuck design supports vacuum-assisted clamping (adjustable suction pressure) for secure hold-down of low-mass or warped substrates. All wetted parts comply with SEMI F20-0212 (Materials Compatibility for Semiconductor Manufacturing Equipment) and are certified non-outgassing per ASTM E595 for vacuum and space-qualified applications. The system meets CE machinery directive 2006/42/EC and conforms to IEC 61000-6-2 (immunity) and IEC 61000-6-4 (emission) standards. Optional documentation packages support GLP/GMP audit readiness, including IQ/OQ templates and electronic logbook export (CSV/Excel).

Software & Data Management

While the SCP-4LD operates autonomously via its embedded HMI, optional RS-232/USB-C connectivity enables external PC-based supervision using EWIN-TECH’s SpinLog Pro™ utility (Windows 10/11 compatible). This software provides full remote parameter setting, real-time RPM/torque waveform capture, timestamped recipe logging, and CSV-formatted run history export. Audit trails include operator ID (via optional RFID badge reader), start/stop timestamps, program version, and deviation alerts—fully compliant with FDA 21 CFR Part 11 requirements when configured with electronic signature modules and role-based access control.

Applications

The SCP-4LD serves as a core tool in photolithography process development, supporting resist coating for mask aligner and stepper-based patterning workflows. It is routinely deployed in academia and industry for fabricating organic LEDs (OLEDs), perovskite solar cells, MEMS encapsulation layers, biosensor dielectric films, and nanomaterial dispersions (e.g., graphene oxide, quantum dots). Its repeatability (RSD <1.2% film thickness across 25 mm Si wafers, measured by profilometry) makes it suitable for DOE-based process optimization, qualification of new resist formulations, and transfer of lab-scale protocols to pilot-line production.

FAQ

What substrate materials are compatible with the SCP-4LD?
Silicon, fused silica, borosilicate glass, sapphire, stainless steel, aluminum, copper, PET, PI, and ceramic substrates—provided they are rigid, flat, and vacuum-sealable.
Does the system support automated dispense integration?
No native dispense module is included; however, third-party syringe pumps (e.g., Chemyx Fusion 100) can be synchronized via TTL trigger output for timed droplet delivery.
Can the SCP-4LD be operated inside a nitrogen glovebox?
Yes—the fully enclosed PP chamber and brushless DC motor require no external air cooling; ambient temperature operation range is 15–35°C with ≤60% RH non-condensing.
Is firmware update capability available?
Yes—field-upgradable via USB flash drive; version history and release notes are published on EWIN-TECH’s secure customer portal.
What maintenance intervals are recommended?
Vacuum chuck inspection every 200 runs; PP chamber cleaning after each resist type change; annual calibration of speed encoder and torque sensor by authorized service center.