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  • Orlando Rios presents his poster at the poster session featuring postdoctoral students and LDRD projects. Nobel Laureate, Albert Fert, gave the inaugural Eugene Wigner Distinguished Lecture Monday, November 4, 2013.


Advanced Processing › Pulse Thermal-Processing



PulseForge 3300 photonic curing system control panel for rapid thin film annealing (Joseph Angelini) (R).

PulseForge 3300 photonic curing system for thin film photovoltaic cells and battery electrodes (Joseph Angelini) (L).


ORNL has setup an Advanced Laser Structuring Facility in which interfering high-power laser beams provide a 2-dimensional periodic high-speed thermal or chemical treatment to surfaces. This leads to a direct structuring with perfect long-range ordered periodicity. Up to 50,000 lines or 2 billion dots can be created at a surface within a fraction of a second, turning ordinary surfaces into multi-functional composites and chemical structures. The feature sizes are nanoscaled, the feature spacing ranges from 0.2 to 50 µm while the structured area of a single shot lays in the range of mm² to cm².

With this system it is possible to functionalize material‘s surfaces by manipulation of the topography, the phase-microstructure, the texture, the residual stress situation and the formation of new phases being utilized in automotive and industrial applications and for tissue engineering and biomedical devices.

Oak Ridge National Laboratory offers world-leading Pulse Thermal Processing capabilities, encompassing two unique facilities – the high density plasma arc lamp system and the PulseForge 3300. The plasma arc lamp is capable of producing extremely high power densities of up to 20 kW/cm2 over areas beyond 1000 cm2. The stable plasma can achieve a temperature in excess of 10,000 K and produces a broad radiant spectrum with wavelengths ranging from 0.2 to 1.4 µm (UV to IR). Such large area processing not only speeds manufacturing by increasing the throughput, but it also provides a one dimensional thermal gradient across the sample which provides more uniform microstructures and leads to more uniform electrical and optical properties. The general benefits of Pulse Thermal Processing with the plasma arc lamp are low thermal budget, increased throughput, higher heating rates, the ability to process on lower temperature substrates, and being able to control diffusion on the nanometer scale. The PulseForge 3300 offers even higher density pulses of radiant energy at speeds up to several microseconds. The PulseForge system, developed by NovaCentrix, incorporates a conveyor belt platform that can process thin films at belt speeds of several hundred feet per minute. The PulseForge 3300 excels at drying and sintering of conductive inks for flexible elecronics, but also has applications in photovoltaics, displays, sensors, and solid state lighting.


DUTY, Chad E. 865.574.5059
SABAU, Adrian S. 865.241.5145
OTT, Ronald D. 865.574.5172
HARPER, David C.- Technical Professional 865.574.7363

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