Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2016Parameter optimization for high speed remote laser cutting of electrodes for lithium-ion batteries
Lee, D.; Patwa, R.; Herfurth, H.; Mazumder, J.
Zeitschriftenaufsatz
2016Three dimensional simulation of high speed remote laser cutting of cathode for lithium-ion batteries
Lee, D.; Patwa, R.; Herfurth, H.; Mazumder, J.
Zeitschriftenaufsatz
2015Laser drilling of micro-hole arrays in tantalum
Patwa, R.; Herfurth, H.; Bratt, C.; Christophersen, M.; Phlips, B.F.
Zeitschriftenaufsatz
2013High speed remote laser cutting of electrodes for lithium-ion batteries: Anode
Lee, D.; Patwa, R.; Herfurth, H.; Mazumder, J.
Zeitschriftenaufsatz
2013Laser drilling up to15,000 holes/sec in silicon wafer for PV solar cells
Patwa, R.; Herfurth, H.; Mueller, G.; Bui, K.
Konferenzbeitrag
2013Multi-beam laser additive manufacturing
Patwa, R.; Herfurth, H.; Chae, J.; Mazumder, J.
Konferenzbeitrag
2012Computational and experimental studies of laser cutting of the current collectors for lithium-ion batteries
Lee, D.; Patwa, R.; Herfurth, H.; Mazumder, J.
Zeitschriftenaufsatz
2012Investigation of different laser cutting strategies for sizing of Li-ion battery electrodes
Patwa, R.; Herfurth, H.; Heinemann, S.; Mazumder, J.; Lee, D.
Konferenzbeitrag
2012Laser micro-welding of aluminum and copper with and without tin foil alloy
Hailat, M.M.; Mian, A.; Chaudhury, Z.A.; Newaz, G.; Patwa, R.; Herfurth, H.J.
Zeitschriftenaufsatz
2011Diffractive optical elements utilized for efficiency enhancement of photovoltaic modules
Mingareev, I.; Berlich, R.; Eichelkraut, T.J.; Herfurth, H.; Heinemann, S.; Richardson, M.C.
Zeitschriftenaufsatz
2011Finite element thermal/mechanical analysis for microscale laser joining of ultrathin coatings of titanium on glass/polyimide system
Mayeed, M.S.; Lubna, N.J.; Auner, G.W.; Patwa, R.; Herfurth, H.; Newaz, G.M.
Zeitschriftenaufsatz
2011Role of cleaning methods on bond quality of Ti coated glass/imidex system
Lubna, N.; Auner, G.; Patwa, R.; Herfurth, H.; Newaz, G.
Zeitschriftenaufsatz
2010Characterization of laser processed sub-millimeter lap joints between copper and aluminum under tensile load
Mian, A.; Hailat, M.; Newaz, G.; Patwa, R.; Herfurth, H.
Konferenzbeitrag
2010Finite element thermal analysis for microscale laser joining of nanoscale coatings of titanium on glass/polyimide system
Mayeed, M.S.; Auner, G.W.; Patwa, R.; Lubna, N.J.; Newaz, G.M.; Herfurth, H.
Konferenzbeitrag
2010Finite element thermal/mechanical analysis of transmission laser microjoining of titanium and polyimide
Dhorajiya, A.P.; Mayeed, M.S.; Auner, G.W.; Baird, R.J.; Newaz, G.M.; Patwa, R.; Herfurth, H.
Zeitschriftenaufsatz
2010Formation of a conductive grid on thin film modules glass by laser-patterning
Jaus, J.; Pantsar, H.; Adurodija, O.F.; Li, B.; Regaard, B.; Herfurth, H.; Doble, D.
Konferenzbeitrag
2010Laser process optimization for improving emitter wrap through drilling rates
Pantsar, H.; Eisenbeis, T.; Herfurth, H.; Heinemann, S.; Rekow, M.; Murison, R.
Konferenzbeitrag
2010Laser processing for advanced batteries
Herfurth, H.J.; Patwa, R.; Pantsar, H.; Heinemann, S.
Konferenzbeitrag
2010Light management for reduction of bus bar and gridline shadowing in photovoltaic modules
Jaus, J.; Pantsar, H.; Eckert, J.; Duell, M.; Herfurth, H.; Doble, D.
Konferenzbeitrag
2010Process optimization for improving drilling efficiency in EWT solar cell manufacturing
Pantsar, H.; Eisenbeis, T.; Rekow, M.; Murison, R.; Herfurth, H.; Heinemann, S.
Konferenzbeitrag
2010A study of titanium thin films in transmission laser micro-joining of titanium-coated glass to polyimide
Sultana, T.; Newaz, G.; Georgiev, G.L.; Baird, R.J.; Auner, G.W.; Patwa, R.; Herfurth, H.J.
Zeitschriftenaufsatz
2009Advanced beam steering in helical drilling
Pantsar, H.; Laakso, P.; Aikio, M.; Huopana, J.; Herfurth, H.; Heinemann, S.
Konferenzbeitrag
2009Chemical bond formation during laser bonding of Teflon® FEP and titanium
Georgiev, G.L.; Baird, R.J.; McCullen, E.F.; Newaz, G.; Auner, G.; Patwa, R.; Herfurth, H.
Zeitschriftenaufsatz
2009Detailed analysis of residual stress profile at micro-scale in transmission laser bonded titanium/polyimide system
Dhorajiya, A.P.; Mayeed, M.S.; Auner, G.W.; Baird, R.J.; Newaz, G.M.; Patwa, R.; Herfurth, H.
Konferenzbeitrag
2009Fiber laser microjoining for novel dissimilar material combinations
Patwa, R.; Herfurth, H.; Heinemann, S.; Ehrenmann, S.; Newaz, G.; Baird, R.J.
Konferenzbeitrag
2009High rate laser drilling and texturing of silicon
Pantsar, H.; Lauterborn, T.; Knorz, A.; Herfurth, H.; Heinemann, S.
Konferenzbeitrag
2009Laser bonding and characterization of Kapton® FN/Ti and Teflon® FEP/Ti systems
Georgiev, G.L.; Sultana, T.; Baird, R.J.; Auner, G.; Newaz, G.; Patwa, R.; Herfurth, H.
Zeitschriftenaufsatz
2009Postimplantation pressure testing and characterization of laser bonded glass/polyimide microjoints
Mian, A.; Sultana, T.; Georgiev, D.; Witte, R.; Herfurth, H.; Auner, G.; Newaz, G.
Zeitschriftenaufsatz
2009Study of two different thin film coating methods in transmission laser micro-joining of thin Ti-film coated glass and polyimide for biomedical applications
Sultana, T.; Georgiev, G.L.; Baird, R.J.; Auner, G.W.; Newaz, G.; Patwa, R.; Herfurth, H.J.
Zeitschriftenaufsatz
2008Laser microvia drilling and ablation of silicon using 355 nm pico and nanosecond pulses
Pantsar, H.; Herfurth, H.; Heinemann, S.; Laakso, P.; Penttila, R.; Liu, Y.; Newaz, G.
Konferenzbeitrag
2008Laser processing for alternatives energy devices: Advanced battery and fuel cell applications
Herfurth, H.J.; Patwa, R.; Pantsar, H.; Heinemann, S.; Newaz, G.
Konferenzbeitrag
2008Miniaturized samples for bond strength and hermetic sealing evaluation for transmission laser joints
Newaz, G.; Sultana, T.; Nusier, S.; Herfurth, H.J.
Zeitschriftenaufsatz
2008XPS analysis of laser transmission micro-joint between poly (vinylidene fluoride) and titanium
Sultana, T.; Georgiev, G.L.; Auner, G.; Newaz, G.; Herfurth, H.-J.; Patwa, R.
Zeitschriftenaufsatz
2008XPS study of laser fabricated titanium/KaptonFN interfaces
Georgiev, G.L.; Sultana, T.; Baird, R.J.; Auner, G.; Newaz, G.; Patwa, R.; Herfurth, H.
Zeitschriftenaufsatz
2007Finite element modeling of transmission laser microjoining process
Mahmood, T.; Mian, A.; Amin, M.R.; Auner, G.; Witte, R.; Herfurth, H.; Newaz, G.
Zeitschriftenaufsatz
2007Laser transmission welding of polyamide tubes to plates
Baylis, B.; Daly, P.; Herfurth, H.
Konferenzbeitrag
2007Micromachining with tailored nanosecond pulses
Herfurth, H.; Patwa, R.; Lauterborn, T.; Heinemann, S.; Pantsar, H.
Konferenzbeitrag
2007Performance of laser bonded glass/polyimide microjoints in cerebrospinal fluid
Mian, A.; Newaz, G.; Georgiev, D.G.; Rahman, N.; Vendra, L.; Auner, G.; Witte, R.; Herfurth, H.
Zeitschriftenaufsatz
2006A comparison between glass/polyimide and titanium/polyimide microjoint performances in cerebrospinal fluid
Newaz, G.; Mian, A.; Sultana, T.; Mahmood, T.; Georgiev, D.G.; Auner, G.; Witte, R.; Herfurth, H.
Zeitschriftenaufsatz
2006Effects of laser parameters on the mechanical response of laser irradiated micro-joints
Mian, A.; Mahmood, T.; Auner, G.; Witte, R.; Herfurth, H.; Newaz, G.
Konferenzbeitrag
2005Laser bonded microjoints between titanium and polyimide for applications in medical implants
Mian, A.; Newaz, G.; Vendra, L.; Rahman, N.; Georgiev, D.G.; Auner, G.; Witte, R.; Herfurth, H.
Zeitschriftenaufsatz
2005Laser fabrication and characterization of adhesive-free joints for encapsulation of biomedical implant devices
Newaz, G.; Georgiev, D.G.; Mian, A.; Auner, G.; Herfurth, H.; Witte, R.
Konferenzbeitrag
2005Laser fabrication and characterization of sub-millimeter joints between polyimide and Ti-coated borosilicate glass
Georgiev, D.G.; Sultana, T.; Mian, A.; Auner, G.; Herfurth, H.; Witte, R.; Newaz, G.
Zeitschriftenaufsatz
2004Joining challenges in the packaging of BioMEMS
Herfurth, H.J.; Witte, R.; Heinemann, S.; Newaz, G.; Mian, A.; Georgiev, D.; Auner, G.
Konferenzbeitrag
2004Laser microjoining of dissimilar and biocompatible materials
Bauer, I.; Russek, U.A.; Herfurth, H.-J.; Witte, R.; Heinemann, S.; Newaz, G.; Mian, A.; Georgiev, D.; Auner, G.
Konferenzbeitrag
2004An XPS study of laser-fabricated polyimide/titanium interfaces
Georgiev, D.G.; Baird, R.J.; Newaz, G.; Auner, G.; Witte, R.; Herfurth, H.
Zeitschriftenaufsatz
2003Microjoining of dissimilar materials for life science applications
Herfurth, H.-J.; Witte, R.; Heinemann, S.
Konferenzbeitrag
2003Microjoining of dissimilar materials for optoelectronic and biomedical applications
Witte, R.; Herfurth, H.J.; Bauer, I.
Konferenzbeitrag
2002Laser joining of glass with silicon
Witte, R.; Herfurth, H.; Heinemann, S.
Konferenzbeitrag
2002Laser joining of non-metallics for optoelectronic and biomedical applications
Herfurth, H.J.; Witte, R.; Bauer, I.
Konferenzbeitrag
2000Hardening and welding with high-power diode lasers
Ehlers, B.; Herfurth, H.-J.; Heinemann, S.
Konferenzbeitrag
2000Verfahren und Vorrichtung zur Herstellung von metallischen Werkstücken
Celiker, T.; Herfurth, H.-J.; Celi, I.
Patent
1999High power diode laser applications in surface treatment and metal joining
Ehlers, B.; Herfurth, H.-J.; Heinemann, S.
Konferenzbeitrag
1999New approaches in plastic welding with diode lasers
Herfurth, H.; Ehlers, B.; Heinemann, S.; Hänsch, D.
Konferenzbeitrag
1994Rapid Metal Prototyping
König, W.; Celi, I.; Celiker, T.; Herfurth, H.-J.; Song, Y.-A.
Zeitschriftenaufsatz