NEWS REVIEW
Cree CXA LEDs set new benchmark
CREE has expanded its CXA family with new 95-CRI options and two new LEDs, providing lighting manufacturers high- performance, design versatility and low cost in one robust platform.
Delivering up to twice the efficacy of equivalent-CRI LED light sources, Cree says the new CXA CRI options deliver halogen-like colour and push the boundaries of lighting-class performance by combining high-quality light with unmatched light output and efficacy.
Cree’s extended family of CXA LED arrays include the XLamp CXA1304 and CXA1816, both pictured below.
Cree says these latest arrays provide manufacturers the broadest opportunity to optimise and expand their LED lighting product portfolio.
The XLamp CXA1304 LED Array is the most compact member of the family, delivering up to 1034 lumens in a 6 mm optical-source size, and enabling lighting manufacturers to rapidly address small- form-factor lighting applications.
The XLamp CXA1816 LED Array can enable LED replacements for up to 70 W ceramic-metal-halide in spot lighting or for 2000-lumen downlights with a 12 mm optical-source size.
“The family of CXA LED Arrays appeals to us because of the wide range of lumen options available, all at very high efficacy levels,” says Michael Lin,
XLamp CXA1816 LED array
CEO of Buckingham Industrial Group. “Regardless of the lighting application that we want to address, there is a CXA LED Array offered that is optimised for it.”
“Customers are looking for LED-based halogen replacements that do not have the current trade-off between light quality and output with energy efficiency,” comments Paul Thieken, Cree director of marketing, LED components.
“With Cree’s high-CRI CXA LED Arrays, lighting manufacturers finally have an LED solution that can deliver high quality-of-light combined with high performance.”
All the LEDs in the CXA family offer 6,000 hours of LM-80 data published and are designed to support TM-21 reported L90 lifetime of over four years, even at 105°C.
Available in 5000-K through 2700-K CCTs, the high-CRI CXA LED Arrays deliver a typical CRI of 95 with a typical R9 value of 85 at 3000 K. All CXA LED Arrays are available in EasyWhite colour temperatures, providing the LED industry’s best colour consistency for designs that use only one LED. The new family of CXA LED Arrays now delivers from 300 to over 10,000 lumens.
XLamp CXA1304 LED array
XLamp CXA1304 (9-V and 37-V options available) and CXA1816 LED samples are available now, and production quantities are available with standard lead times.
IPG launches UV laser micromachining system
IPG PHOTONICS CORPORATION has introduced the IX-255 UV Laser Micromachining System. This is an advanced, highly flexible system from IPG’s Microsystems Division, for multi-purpose, R&D and small-scale production applications.
IPG’s multi-functional system can be configured with a beam energy density up to 25 J/cm2
for applications
such as drilling ceramic materials or with lower energy density for large- field exposures such as conformal coating removal, insulation-stripping and annealing. A third configuration allows the programmable selection of beam shapes for general-purpose patterning, cutting and machining of blind features.
IPG’s IX-255 is a fully interlocked, Class 1 workstation built on a granite base and support structure for vibration minimisation and thermal stability with dual microscope vision systems for automated part alignment and inspection. The workstation is integrated with a proprietary UV laser. System software includes macro- building tools for fast programming and generation of automating processes for complex feature machining while additional utilities allow complex pattern input from standard CSV and DXF files.
Applications for the IX-255 include drilling and cutting of ceramics, patterning of microfluidic devices and machining of low taper-angle holes in polymers.
The IX-255 system can also be used in microelectronics for 3D micromachining, glass drilling and cutting, selective material removal (exposure of contact pads) and trimming of conductors. In large- area exposure mode, the system can be used for surface annealing applications of semiconductors, electrical connectors and biomedical devices.
July 2013
www.compoundsemiconductor.net 15
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