ICALEO 2010 Paper #M703 (Multi-Wavelength Micromachining of Silicon and Glass by Q-Switched Short Pulsed Lasers)
Multi-Wavelength Micromachining of Silicon and Glass by Q-Switched Short Pulsed Lasers
Authors:
Shiva Gadag, Center for Laser Aided Manufacturing, Southern Methodist University; Dallas TX USA
Radovan Kovacevic, Center for Laser Aided Manufacturing, Southern Methodist University; Dallas TX USA
Presented at ICALEO 2010
Laser Micromachining of semiconductor materials - Silicon wafers, glass and quartz are experimentally investigated using the Spectra Physics diode pumped solid state laser. The Q-switched Nd:YVO4 DPSS laser of fundamental wavelength 1064 nm with high pulsing frequencies (15 300 kHz) and short pulse duration (10 ns) is used for micromachining. Laser drilling of arra...$28.00
ICALEO 2010 Paper #M702 (Suppression of Laser Plasma Melting Side Walls in Laser Drilling High Aspect Ratio Microvias)
Suppression of Laser Plasma Melting Side Walls in Laser Drilling High Aspect Ratio Microvias
Authors:
V.N. TOKAREV, A.M.Prokhorov General Physics Institute, Russian Academy of Sciences; Moscow Russia
V.A. Shmakov, A.M. Prokhorov General Physics Institute, Russian Academy of Sciences; Moscow Russia
V.A. Yamschikov, Institute of Electrophysics and Energetics, Russian Academy of Sciences; Sankt-Peterburg Russia
R.R. Khasaya, Institute for Electrophysics and Electric Power, Russian Academy of Sciences; Sankt-Peterburg Russia
S.I. Mikolutski, Institute for Electrophysics and Electric Power, Russian Academy of Sciences; Sankt-Peterburg Russia
Vladislav K...$28.00
ICALEO 2010 Paper #M701 (Optimization of UV Laser Scribing Process for LED Sapphire Wafers)
Optimization of UV Laser Scribing Process for LED Sapphire Wafers
Authors:
Ashwini Tamhankar, Spectra-Physics Lasers, Newport Corporation; Santa Clara CA USA
Rajesh Patel, Spectra-Physics Lasers, Newport Corporation; Santa Clara CA USA
Presented at ICALEO 2010
Billions of LEDs are used today in traffic control, automotive headlights, flat panel display technology, mobile devices, back lighting, projection and general illumination applications. With the dramatic growth in LEDs, manufacturers are looking for technologies to increase production yield and decrease cost. Sapphire wafer singulation into miniature dies is one of the critical steps used in blue/green LED manufacturing. Typ...$28.00
ICALEO 2010 Paper #M604 (Pulse Shape Control of a MOPA Fiber Laser for Marking of Stainless Steel and Other Materials)
Pulse Shape Control of a MOPA Fiber Laser for Marking of Stainless Steel and Other Materials
Authors:
Sami Hendow, Multiwave Photonics, R. Eng.; Maia Portugal
Paulo T. Guerreiro, Multiwave Photonics, R. Eng.; Maia Portugal
Niels Schilling, Fraunhofer Institute IWS Dresden; Dresden Germany
Jan Rabe, Fraunhofer Institute IWS Dresden; Dresden Germany
Presented at ICALEO 2010
MOPA Fiber laser is used to demonstrate controlled ablation of metals, silicon and thin film materials using both the single-pulse as well as double-pulse laser format. Double pulsing is where the energy of one pulse is split into two succeding pulses. Ablation of silicon, metals and ce...$28.00
ICALEO 2010 Paper #M603 (Application of a Pulse Programmable Fiber Laser to a Broad Range of Micro-Processing Applications)
Application of a Pulse Programmable Fiber Laser to a Broad Range of Micro-Processing Applications
Authors:
M. Rekow, PyroPhotonics Lasers Inc.; Campbell CA USA
R. Murison, PyroPhotonics Lasers Inc.; Campbell CA USA
Tullio Panarello, PyroPhotonics Lasers Inc.; Campbell CA USA
C. Dunskey, Aeos Consulting Inc.; Los Gatos CA USA
C. Dinkel, Industrial Materials Institute, Centre for Automotive Materials and Manufacturing, National Research Council of Canada; 800 Collip Circle ON Canada
S. Nikumb, Industrial Materials Institute, Centre for Automotive Materials and Manufacturing, National Research Council of Canada; London ON Canada
Presented at ...$28.00
ICALEO 2010 Paper #M601 (Laser Ablation by Optical Vortex Beams )
Laser Ablation by Optical Vortex Beams
Authors:
Takashige Omatsu, Graduate School of Advanced Integration Science, Chiba University; Chiba
Presented at ICALEO 2010
Metal laser ablation using nanosecond optical vortex pulses with orbital angular momentum was performed. Optical vortex was capable of providing energy and cost saving material processing with less debris. Microneedle fabrication on a metal surface based on optical vortex laser ablation was also demonstrated. The resulting needle showed a height of at least 10 m above the target surface and a tip diameter of less than 0.3 m.$28.00
ICALEO 2010 Paper #M509 (Laser Materials Synthesis of a Wide Bandgap Energy Converter with Embedded Concentrator and Dc-Ac Inverter)
Laser Materials Synthesis of a Wide Bandgap Energy Converter with Embedded Concentrator and Dc-Ac Inverter
Authors:
A. Kar, University of Central Florida CREOL SoO; Orlando FL USA
Nathaniel Quick, AppliCote Associates LLC; Lake Mary FL USA
Presented at ICALEO 2010
The laser materials synthesis building blocks to process an embedded lens and inverter circuit in a wide bandgap material direct energy converter are presented. A single crystalline silicon carbide wafer is wide area laser doped with aluminum, chromium, selenium and nitrogen to optimize conversion of electromagnetic radiation to electrical energy. The laser doping process is based on solid state diffusion at temperatu...$28.00
ICALEO 2010 Paper #M508 (Investigations on the Laser Induced Polymerization of Organic-Inorganic Hybrid Oligomers for Micro Stereo Lithography Applications)
Investigations on the Laser Induced Polymerization of Organic-Inorganic Hybrid Oligomers for Micro Stereo Lithography Applications
Authors:
Andre Neumeister, Laser Zentrum Hannover e.V. (LZH); Hannover Germany
Martina Carsjens, Laser Zentrum Hannover e.V. (LZH); Hannover Germany
Florian Pape, Leibniz Universitaet Hannover, Institut fuer Mikroproduktionstechnik (IMPT); Garbsen Germany
Lutz Rissing, Leibniz Universitaet Hannover, Institut fuer Mikroproduktionstechnik (IMPT); Garbsen Germany
Rainer Kling, Laser Zentrum Hannover e.V. (LZH); Hannnover Germany
Presented at ICALEO 2010
For Micro Stereolithography applications, the correlation between...$28.00
ICALEO 2010 Paper #M507 (Laser Microprocessing Powered by UV Photons)
Laser Microprocessing Powered by UV Photons
Authors:
Ralph Delmdahl, Coherent Gmbh; Goettingen Germany
Rainer Paetzel, Coherent Gmbh; Goettingen Germany
Presented at ICALEO 2010
Lasers with ultraviolet (UV) output offer unique benefits for processing a wide range of materials. In particular, the short wavelength, high energy UV photons experience less diffraction than longer visible or infrared wavelengths, which enables materials processing at higher spatial resolution. In addition, UV lasers micromachine primarily by non-thermal means, thus minimizing the heat affected zone due to processing.
Excimer lasers emitting in the UV region deliver pulse energies scalable up to 1000 mJ ...$28.00
ICALEO 2010 Paper #M506 (Laser-Induced Plasma Investigations during Material Processing)
Laser-Induced Plasma Investigations during Material Processing
Authors:
David Diego-Vallejo, Technische Universitat Berlin, Institut fur Optik und Atomare Physik; Berlin Germany
David Ashkenasi, Laser und Medizin-Technologie Berlin; Berlin Germany
Hans Joachim Eichler, Technical University of Berlin, Optics Institute; Berlin Germany
Gerd Illing, Laser und Medizin-Technologie Berlin GmbH; Berlin Germany
Presented at ICALEO 2010
Laser-induced breakdown spectroscopy (LIBS), a versatile analytical tool used to determine sample compositions, has recently been applied to monitor and control of laser material processing. By observing the induced plasma during las...$28.00
Pages
There is currently no content classified with this term.