Hoenle BluePoint LED Lens-Type UV Curing System

Overview

The Hoenle BluePoint LED Lens-Type UV Curing System (marketed as Blueoint LED) is a high-intensity, lens-focused ultraviolet light source engineered for precision photopolymerization in industrial and laboratory environments. Unlike broad-area UV lamps or unfocused LED arrays, this system employs collimated optical lens technology to deliver spatially confined, high-irradiance UV radiation—typically within the 365 nm, 385 nm, or 405 nm spectral bands—enabling localized, repeatable, and thermally benign curing of adhesives, coatings, inks, and encapsulants. Its core design follows the principles of radiometrically controlled LED illumination, where output intensity (mW/cm²), spectral peak, and irradiance uniformity are stabilized via active thermal management and constant-current drivers. The system is not a standalone lamp but an integrated subsystem intended for OEM integration or benchtop automation, supporting synchronization with PLCs, motion stages, and process controllers.

Key Features

• Lens-based optical architecture delivering collimated UV beam profiles with minimal divergence (< ±3° half-angle), enabling spot diameters from 1 mm to 8 mm at working distances of 20–100 mm
• Programmable irradiance control across 0–100% of maximum output, with microsecond-level timing resolution for pulse-width modulation (PWM) and multi-step exposure sequences
• Integrated temperature monitoring and closed-loop thermal regulation to maintain spectral stability and LED lifetime (>10,000 h L70 rating)
• Modular driver interface compliant with 0–10 V analog input, TTL trigger, and RS-485 Modbus RTU for seamless integration into automated production lines
• CE-marked and RoHS-compliant construction; designed for continuous-duty operation in Class 1 cleanroom-adjacent environments

Sample Compatibility & Compliance

The BluePoint LED Lens-Type system is compatible with all commercially available UV-curable chemistries—including acrylates, epoxies, silicones, and hybrid formulations—that exhibit absorption maxima within its emitted wavelength range. It supports ISO 11607-1 (packaging validation), ASTM D4145 (adhesive cure depth testing), and IPC-TM-650 2.4.42 (UV-cured solder mask qualification). While the device itself does not carry FDA 510(k) clearance, its radiometric output parameters meet the requirements for use in medical device manufacturing under ISO 13485 quality systems. Full traceability of irradiance calibration is supported via optional NIST-traceable sensor modules (e.g., International Light ILT2400 with SEL-033UV detector), and audit logs comply with GLP/GMP documentation expectations when paired with validated software platforms.

Software & Data Management

Hoenle provides the BlueControl software suite (v3.2+), a Windows-based application enabling full parameter scripting—including ramp-up/down profiles, multi-stage dwell times, intensity gradients, and interlock-triggered safety shutdowns. All exposure events are timestamped and stored with metadata (ambient temperature, LED junction temperature, drive current, and user ID), generating CSV- and XML-formatted reports suitable for 21 CFR Part 11 compliance when deployed with electronic signature modules and audit trail configuration. The system supports OPC UA connectivity for MES/SCADA integration, allowing real-time irradiance telemetry and batch-level process signature archiving in centralized LIMS environments.

Applications

• Micro-optics bonding and fiber alignment in photonics assembly
• Low-outgassing UV curing of aerospace-grade potting compounds on PCBs
• Edge-sealing of microfluidic chips with sub-100 µm feature resolution
• In-line curing of conformal coatings on automotive electronics under conveyorized conditions
• Research-scale photo-initiated polymer synthesis requiring spatiotemporal dose control

FAQ

Is the BluePoint LED Lens-Type system compatible with existing Hoenle UV controllers?
Yes—it maintains backward compatibility with the Hoenle UV-Controller 2000 series via standardized analog and digital I/O interfaces.
What is the recommended recalibration interval for radiometric accuracy?
Hoenle recommends annual recalibration using a NIST-traceable spectroradiometer; field verification with calibrated photodiode sensors is advised every 3 months in high-throughput environments.
Can multiple BluePoint units be synchronized for multi-axis curing?
Yes—using the built-in master/slave mode over RS-485, up to 16 units can execute phase-aligned exposure sequences with < ±50 µs timing jitter.
Does the system support spectral filtering for narrowband applications?
No integrated filter wheel is provided; however, external bandpass filters (e.g., Semrock FF01-365/10) may be mounted in the beam path using standard SM1-threaded lens tubes.
What safety certifications apply to operator exposure during operation?
The system complies with IEC 62471 (Photobiological Safety of Lamps) Risk Group 3 classification; full enclosure with interlocked shielding is required per EN 60204-1 for Class 3B UV hazard mitigation.