ADVANCE RIKO MILA-5000 Series High-Vacuum Rapid Thermal Annealing System

Overview

The ADVANCE RIKO MILA-5000 Series is a benchtop rapid thermal annealing (RTA) system engineered for precision thermal processing of semiconductor wafers, thin-film devices, and advanced materials research samples. Based on the fundamental principle of radiant heating via high-intensity, gold-reflector-enhanced halogen lamps, the system delivers highly localized, controllable thermal energy with minimal thermal mass involvement. Unlike conventional furnace-based annealing, RTA enables millisecond-to-second scale thermal cycles—critical for activating dopants, repairing ion-implant damage, crystallizing amorphous layers (e.g., Si, Ge, metal oxides), and stabilizing interface states without inducing bulk diffusion or wafer warpage. The MILA-5000 architecture integrates the lamp array, quartz reaction chamber, water-cooled base, and programmable temperature controller into a single compact unit, minimizing footprint while maintaining metrological integrity across vacuum, inert, oxidizing, and ambient atmospheres.

Key Features

• Ultra-fast thermal cycling: Achieves up to 50 °C/s heating and 30 °C/s forced cooling via active water-jacketed chamber base—enabling sub-second dwell times at peak temperature.
• High-vacuum capability (MILA-5000UHV variant): Equipped with turbomolecular pumping system achieving ≤1×10⁻⁵ Pa base pressure, suitable for oxygen-sensitive processes such as metal silicide formation or low-k dielectric stabilization.
• Atmosphere flexibility: Supports continuous gas flow (N₂, Ar, O₂, 5% H₂/95% N₂), static vacuum, and ambient air operation—all sealed via viton O-ring–based quartz tube assembly to preserve sample surface cleanliness.
• Real-time process observation: Features a top-mounted fused-silica viewport (UV-grade, 250–2500 nm transmission) compatible with optional high-resolution CCD camera integration for in situ morphological monitoring during anneal.
• Dual-mode control architecture: Front-panel touchscreen interface for standalone operation; full-featured PC software (Windows-based) via USB 2.0 for multi-step ramp-soak-cool profiling, real-time temperature logging, and audit-trail-enabled parameter archiving.
• Thermal metrology assurance: Calibrated Pt100 sensor embedded in proximity to sample stage, coupled with closed-loop PID algorithm ensuring ±2.0 °C absolute accuracy and ±2.0 °C spatial uniformity across 2-inch wafer area (per ASTM F1856).

Sample Compatibility & Compliance

The MILA-5000 Series accommodates standard 2-inch (50.8 mm) diameter substrates—including silicon, sapphire, SiC, GaN-on-Si, and flexible polymer films mounted on carrier wafers. Quartz tube geometry ensures compatibility with pre-patterned or metallized wafers requiring minimal outgassing risk. All models comply with IEC 61000-6-3 (EMC emission standards) and IEC 61000-6-2 (immunity). The UHV configuration meets ISO 27412 Class 5 clean vacuum requirements and supports GLP/GMP-aligned process documentation when paired with optional 21 CFR Part 11–compliant software modules (electronic signatures, audit trail, user access levels). Process repeatability is validated per SEMI E172 guidelines for rapid thermal processing equipment.

Software & Data Management

The proprietary RTAControl™ software provides intuitive graphical programming of complex thermal profiles (up to 99 segments), real-time overlay of setpoint vs. measured temperature, and synchronized timestamped data export in CSV or HDF5 format. Logged parameters include chamber pressure (UHV model), lamp power, thermocouple readings, and optional four-point probe resistance values. Data files are automatically tagged with operator ID, lot number, and timestamp. Software supports automated report generation compliant with internal QA templates and external certification frameworks (e.g., ISO 9001 traceability requirements). Remote monitoring via Ethernet option (MILA-5000-Ethernet add-on) enables integration into factory MES systems.

Applications

• Dopant activation in ultra-shallow junctions (USJ) for sub-22 nm CMOS nodes
• Crystallization of IGZO, a-IGZO, and other oxide semiconductors for display backplanes
• Thermal stabilization of perovskite photovoltaic layers without decomposition
• Post-deposition annealing of ALD-grown high-k dielectrics (HfO₂, Al₂O₃)
• Rapid oxidation/nitridation of Si surfaces for gate stack engineering
• Research-scale phase transformation studies in 2D materials (MoS₂, WS₂) and topological insulators

FAQ

What vacuum level does the MILA-5000UHV achieve, and how is it maintained?
The MILA-5000UHV achieves a base pressure of ≤1×10⁻⁵ Pa using a combination of a scroll roughing pump and a 70 L/s turbomolecular pump with automatic valve sequencing. Pressure stability is actively monitored and logged throughout each anneal cycle.
Can the system perform ramp-and-soak profiles with sub-second dwell times?
Yes—the control firmware supports dwell durations as short as 0.1 seconds at target temperature, with full reproducibility verified via NIST-traceable thermography validation reports.
Is the quartz tube replaceable, and what is its typical service life under routine use?
Quartz tubes are field-replaceable consumables; average lifespan exceeds 500 cycles at 1100 °C in inert atmosphere, depending on thermal shock frequency and cleaning protocol adherence.
Does the system support integration with inline metrology tools such as ellipsometers or reflectometers?
Yes—standardized flange interfaces (CF35 or KF40) and electrical feedthroughs allow synchronization signals and analog voltage outputs for third-party optical metrology tool triggering and data correlation.
What safety certifications apply to the MILA-5000 Series?
All units carry CE marking per Machinery Directive 2006/42/EC and Low Voltage Directive 2014/35/EU; laser safety compliance (Class 1 enclosure) is certified per IEC 60825-1:2014.