Auflistung Weitere Einrichtungen nach Lizenz

Sortiert nach: Sortierung: Ergebnisse:

  • Fabrication of thermoformable circuits by laser patterning of metallized thermoplastic foils 
    Wojakowski, Bodo; Klug, Ulrich; Düsing, Jan; Kling, Rainer (Amsterdam : Elsevier B.V., 2010)
    High-resolution laser patterning offers innovative methods for the manufacturing of three dimensional interconnect devices. The process chain presented in this paper uses cost efficient metal thin-films sputtered on ...
  • Flat plate aluminum heat pipe collector with inherently limited stagnation temperature 
    Jack, Steffen; Parzefall, Johannes; Luttmann, Thomas; Janßen, Philipp; Giovannetti, Federico (London : Elsevier Ltd., 2014)
    This paper presents a new flat plate collector technology based on heat pipes. The use of heat pipes can lead to several advantages over direct flow collectors: A simple hydraulic interconnection, an inherently limited ...
  • Functionality of laser-sintered shape memory micro-actuators 
    Dudziak, S.; Gieseke, M.; Haferkamp, H.; Barcikowski, S.; Kracht, D. (Amsterdam : Elsevier B.V., 2010)
    NiTi shape memory alloys are considered to be difficult to machine. Dimensional accuracy can hardly be met especially in micro-machining. Being a non-contact tool and therefore independent from machining forces, the laser ...
  • GMA-laser hybrid welding of high-strength fine-grain structural steel with an inductive preheating 
    Lahdo, Rabi; Seffer, Oliver; Springer, André; Kaierle, Stefan; Overmeyer, Ludger (Amsterdam : Elsevier B.V., 2014)
    The industrial use of GMA-laser hybrid welding has increased in the last 10 years, due to the brilliant quality of the laser beam radiation, and higher laser output powers. GMA-laser hybrid welding processes operate in a ...
  • High transmittance, low emissivity glass covers for flat plate collectors: Applications and performance 
    Giovannetti, Federico; Föste, Sebastian; Ehrmann, Nicole; Rockendorf, Gunter (London : Elsevier Ltd., 2012)
    Low emissivity coatings can significantly reduce radiative heat losses of glass panes for solar energy use. Their effectiveness is strongly dependent on their optical properties, which need to meet the requirements for the ...
  • Improved parameterization of Auger recombination in silicon 
    Richter, A.; Werner, F.; Cuevas, A.; Schmidt, J.; Glunz, S.W. (London : Elsevier Ltd., 2012)
    Accurate modeling of the intrinsic recombination in silicon is important for device simulation as well as for interpreting measured effective carrier lifetime data. In this contribution we study the injection-dependent ...
  • Industrial cleaning sequences for Al2O3-passivated PERC solar cells 
    Kranz, Christopher; Wyczanowski, Sabrina; Baumann, Ulrike; Dorn, Silke; Queisser, Steffen; Schweckendiek, Jürgen; Pysch, Damian; Dullweber, Thorsten (London : Elsevier Ltd., 2014)
    In this paper, we investigate different industrial applicable cleaning sequences on test wafers and PERC solar cells in comparison to a laboratory type RCA clean. The cleaning sequences pSC1, HF/HCl, HF/O3 and HF/O3 show ...
  • Influence of the laser and its scan width in the LDNA surfacing process 
    Barroi, A.; Amelia, J.; Hermsdorf, J.; Kaierle, S.; Wesling, V. (Amsterdam : Elsevier B.V., 2014)
    The novel laser-assisted double-wire non-transferred arc (LDNA) surfacing process that melts two consumable wires with an arc between them and uses a laser to guide the process has shown very promising results. Investigations ...
  • Influence of welding current and focal position on the resonant absorption of laser radiation in a TIG welding arc 
    Emde, B.; Huse, M.; Hermsdorf, J.; Kaierle, S.; Wesling, V.; Overmeyer, L. (Amsterdam : Elsevier B.V., 2014)
    The work presents the influence of welding current and focal position on the resonant absorption of diode laser radiation in a TIG welding arc. The laser beam is guided perpendicular to the electrical arc to avoid an ...
  • Investigations on laser beam welding dissimilar material combinations of austenitic high manganese (FeMn) and ferrite steels 
    Behm, Velten; Höfemann, Matthias; Hatscher, Ansgar; Springer, André; Kaierle, Stefan; Hein, David; Otto, Manuel; Overmeyer, Ludger (Amsterdam : Elsevier B.V., 2014)
    For the past few years the customer's demand for more fuel efficient and at the same time safer vehicles has steadily increased. Consequently, light weight design has become one of the main interests in engineering. With ...
  • Ion-implanted PERC solar cells with Al2O3/SiN x rear passivation 
    Dullweber, Thorsten; Hesse, Rene; Bhosle, Vikram; Dubé, Chris (London : Elsevier Ltd., 2013)
    Ion implantation is an attractive candidate for PERC solar cells due to the single-sided emitter phosphorus doping. The oxide, which is formed during the implant anneal, can be used as rear passivation of PERC cells. ...
  • Laser cutting of carbon fiber reinforced plastics-investigation of hazardous process emissions 
    Walter, Jürgen; Hustedt, Michael; Stähr, Richard; Kaierle, Stefan; Jaeschke, Peter; Suttmann, Oliver; Overmeyer, Ludger (Amsterdam : Elsevier B.V., 2014)
    Carbon fiber reinforced plastics (CFRP) show high potential for use in lightweight applications not only in aircraft design, but also in the automotive or wind energy industry. However, processing of CFRP is complex and ...
  • Laser processing of thin glass printed circuit boards with a picosecond laser at 515 nm wavelength 
    Plat, K.; Witzendorff, P.V.; Suttmann, O.; Overmeyer, Ludger (Amsterdam : Elsevier B.V., 2014)
    High temperature applications of printed circuit boards (PCB) require materials with specifically adapted properties. Hence, conventional electrically isolating glass fiber and epoxy-resin materials have to be replaced by ...
  • Laser Surface Treatment of Sintered Alumina 
    Hagemann, R.; Noelke, C.; Kaierle, S.; Wesling, V. (Amsterdam : Elsevier B.V., 2012)
    Sintered alumina ceramics are used as refractory materials for industrial aluminum furnaces. In this environment the ceramic surface is in permanent contact with molten aluminum resulting in deposition of oxidic material ...
  • Laser-based approach for bonded repair of carbon fiber reinforced plastics 
    Völkermeyer, Frank; Fischer, Fabian; Stute, Uwe; Kracht, Dietmar (Amsterdam : Elsevier B.V., 2011)
    This paper describes a laser-based approach for the bonded repair of fiber reinforced plastic (CFRP) parts. According to CFRP's material properties and sensitivity to thermal loads, short pulsed UV laser radiation is ...
  • Laser-welded Dissimilar Steel-aluminum Seams for Automotive Lightweight Construction 
    Schimek, M.; Springer, A.; Kaierle, S.; Kracht, D.; Wesling, V. (Amsterdam : Elsevier B.V., 2012)
    By reducing vehicle weight, a significant increase in fuel efficiency and consequently a reduction in CO 2 emissions can be achieved. Currently a high interest in the production of hybrid weld seams between steel and ...
  • Lifetime degradation mechanism in boron-doped Czochralski silicon 
    Voronkov, Vladimir V.; Falster, Robert; Batunina, A.V.; MacDonald, D.; Bothe, Karsten; Schmidt, J. (London : Elsevier Ltd., 2011)
    The recombination centre that emerges in boron- and oxygen-containing silicon was thought to be a complex of a substitutional boron atom Bs and an oxygen dimer O2. However in material co-doped with boron and phosphorus, ...
  • Light-induced lifetime degradation in boron-doped Czochralski silicon: Are oxygen dimers involved? 
    Voronkov, Vladimir V.; Falster, Robert; Bothe, Karsten; Lim, Bianca (London : Elsevier Ltd., 2013)
    Light-induced electron lifetime degradation in boron-doped Czochralski silicon was studied before and after a prolonged annealing at 350°C (up to 120 h) and 300°C (up to 8 weeks). Such a heat treatment is known to reduce ...
  • Long-term stable encapsulated solder joints on an Al/Ni:V/Ag metallization for silicon solar cells 
    Jung, Verena; Heinemeyer, Frank; Köntges, Marc (London : Elsevier Ltd., 2011)
    Evaporated Al as metallization for silicon solar cells may be profitable as it requires less Al material than the common screen-printed Al/Ag-paste combinations and forms contacts with a lower contact resistivity. To achieve ...
  • Medical prototyping using two photon polymerization 
    Narayan, Roger J.; Doraiswamy, Anand; Chrisey, Douglas B.; Chichkov, Boris (Amsterdam : Elsevier Science, 2010)
    Two photon polymerization involves nearly simultaneous absorption of ultrashort laser pulses for selective curing of photosensitive material. This process has recently been used to create small-scale medical devices out ...

Suche im Repositorium


Durchblättern

Mein Nutzer/innenkonto

Nutzungsstatistiken