Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019A comparative study of on-wafer and waveguide module S-parameter measurements at D-band frequencies
Lozar, Roger; Ohlrogge, Matthias; Weber, Rainer; Ridler, Nick M.; Shang, Xiaobang; Probst, Thorsten; Arz, Uwe
Journal Article
2018A beyond 110 GHz GaN cascode low-noise amplifier with 20.3 dBm output power
Weber, Rainer; Ćwikliński, Maciej; Wagner, Sandrine; Lozar, Roger; Massler, Hermann; Brueckner, Peter; Quay, Rüdiger
Conference Paper
2018Lubricant-free deep drawing using CO2 and N2 as volatile media injected through laser-drilled microholes
Zahedi, Ehsan; Woerz, Christoph; Reichardt, Gerd; Umlauf, Georg; Liewald, Mathias; Barz, Jakob; Weber, Rudolf; Graf, Thomas
Conference Paper
2018Methods of responsibly managing end-of-life foams and plastics containing flame retardants. Pt.I
Lucas, Donald; Petty, Sara M.; Keen, Olya; Luedeka, Bob; Schlummer, Martin; Weber, Roland; Barlaz, Morton; Yazdani, Ramin; Riise, Brian; Rhodes, James; Nightingale, Dave; Diamond, Miriam L.; Vijgen, John; Lindeman, Avery; Blum, Arlene; Koshland, Catherine P.
Journal Article
2018Methods of responsibly managing end-of-life foams and plastics containing flame retardants. Pt.II
Lucas, Donald; Petty, Sara M.; Keen, Olya; Luedeka, Bob; Schlummer, Martin; Weber, Roland; Yazdani, Ramin; Riise, Brian; Rhodes, James; Nightingale, Dave; Diamond, Miriam L.; Vijgen, John; Lindeman, Avery; Blum, Arlene; Koshland, Catherine P.
Journal Article
2017Chemical recycling technologies
Schlummer, Martin; Vijgen, John; Weber, Roland
Book Article
2017D-band low-noise amplifier MMIC with 50 % bandwidth and 3.0 dB noise figure in 100 nm and 50 nm mHEMT technology
Weber, Rainer; Massler, Hermann; Leuther, Arnulf
Conference Paper
2016600 GHz resistive mixer S-MMICs with integrated Multiplier-by-Six in 35 nm mHEMT technology
Weber, R.; Tessmann, A.; Massler, H.; Leuther, A.; Lewark, U.J.
Conference Paper
2016Advanced building blocks for (sub-)millimeter-wave applications in space, communication, and sensing using III/V mHEMT technology
Schlechtweg, M.; Tessmann, A.; Leuther, A.; Massler, H.; Moschetti, G.; Rösch, M.; Weber, R.; Hurm, V.; Kuri, M.; Zink, M.; Riessle, M.; Rosenzweig, J.; Ambacher, O.
Conference Paper
2016Low noise amplifiers for MetOp-SG
Rösch, M.; Tessmann, A.; Leuther, A.; Weber, R.; Moschetti, G.; Aja, B.; Kotiranta, M.; Massler, H.; Kangas, V.; Perichaud, M.-G.; Schlechtweg, M.; Ambacher, O.
Conference Paper
2016Optimal deployment
Albers, Karsten; Büker, Matthias; Dieudonné, Laurent; Hilbrich, Robert; Igna, Georgeta; Kugele, Stefan; Kuhn, Thomas; Rosinger, Maike; Weber, Raphael
Book Article
2016Reduction of multipath propagation influences at PoA positioning using uniform circular array antennas analyses based on measurements in vehicular scenarios
Engelbrecht, Julia Maria; Weber, Richard; Michler, Oliver
Conference Paper
2016Small signal modelling approach for submillimeter wave III-V HEMTs with analysation and optimization possibilities
Ohlrogge, M.; Tessmann, A.; Leuther, A.; Weber, R.; Massler, H.; Seelmann-Eggebert, M.; Schlechtweg, M.; Ambacher, O.
Conference Paper
2015Impact of metallization layer structure on the performance of G-band branch-line couplers
Amado-Rey, A.B.; Campos-Roca, Y.; Weber, R.; Maroldt, S.; Tessmann, A.; Massler, H.; Wagner, S.; Leuther, A.; Ambacher, O.
Journal Article
2015Model-based and empirical performance analyses for passenger positioning algorithms in a specific bus cabin environment
Michler, O.; Weber, R.; Förster, G.
Conference Paper
2015On the accurate measurement and calibration of s-parameters for millimeter wavelengths and beyond
Seelmann-Eggebert, M.; Ohlrogge, M.; Weber, R.; Peschel, D.; Massler, H.; Riessle, M.; Tessmann, A.; Leuther, A.; Schlechtweg, M.; Ambacher, O.
Journal Article
2015Polybrominated dibenzo-p-dioxins and dibenzofurans (PBDD/Fs) in e-waste plastic in Nigeria
Sindiku, Omotayo; Babayemi, Joshua; Tysklind, M.; Osibanjo, Oladele; Weber, R.; Watson, A.; Schlummer, Martin; Lundstedt, S.
Journal Article
2015Polybrominated diphenyl ethers listed as Stockholm Convention POPs, other brominated flame retardants and heavy metals in e-waste polymers in Nigeria
Sindiku, Omotayo; Babayemi, Joshua; Osibanjo, Oladele; Schlummer, Martin; Schluep, Mathias; Watson, Alan; Weber, Roland
Journal Article
2015Towards MMIC-based 300 GHz indoor wireless communication systems
Kallfass, I.; Dan, J.; Rey, S.; Harati, P.; Antes, J.; Tessmann, A.; Wagner, S.; Kuri, M.; Weber, R.; Massler, H.; Leuther, A.; Merkle, T.; Kürner, T.
Journal Article
2015Unconventional experimental technologies available for phase change materials (PCM) characterization. Pt.1. Thermophysical properties
Cabeza, L.F.; Barreneche, C.; Martorell, I.; Miro, L.; Sari-Bey, S.; Fois, M.; Paksoy, H.O.; Sahan, N.; Weber, R.; Constantinescu, M.; Anghel, E.M.; Malikova, M.; Krupa, I.; Delgado, M.; Dolado, P.; Furmanski, P.; Jaworski, M.; Haussmann, T.; Gschwander, S.; Fernandez, A.I.
Journal Article
2015Unconventional experimental technologies used for phase change materials (PCM) characterization. Pt.2 - morphological and structural characterization, physico-chemical stability and mechanical properties
Fernandez, A.I.; Sole, A.; Giro-Paloma, J.; Martinez, M.; Hadjieva, M.; Boudenne, A.; Constantinescu, M.; Anghel, E.M.; Malikova, M.; Krupa, I.; Penalosa, C.; Lazaro, A.; Paksoy, H.O.; Cellat, K.; Vecstaudza, J.; Bajare, D.; Sumiga, B.; Boh, B.; Haussmann, T.; Gschwander, S.; Weber, R.; Furmanski, P.; Jaworski, M.; Cabeza, L.F.
Journal Article
2014243 GHz low-noise amplifier MMICs and modules based on metamorphic HEMT technology
Tessmann, A.; Hurm, V.; Leuther, A.; Massler, H.; Weber, R.; Kuri, M.; Riessle, M.; Stulz, H.-P.; Zink, M.; Schlechtweg, M.; Ambacher, O.; Närhi, T.
Journal Article, Conference Paper
2014A 92 GHz GaN HEMT voltage-controlled oscillator MMIC
Weber, R.; Schwantuschke, D.; Brueckner, P.; Quay, R.; Raay, F. van; Ambacher, O.
Conference Paper
2014High linearity active GaN-HEMT down-converter MMIC for E-band radar applications
Kallfass, I.; Eren, G.; Weber, R.; Wagner, S.; Schwantuschke, D.; Quay, R.; Ambacher, O.
Conference Paper
2014MHEMT G-band low-noise amplifiers
Kärkkäinen, M.; Kantanen, M.; Caujolle-Bert, S.; Varonen, M.; Weber, R.; Leuther, A.; Seelmann-Eggebert, M.; Alanne, A.; Jukkala, P.; Närhi, T.; Halonen, K.A.I.
Journal Article
2014A scalable compact small-signal mHEMT model accounting for distributed effects in sub-millimeter wave and terahertz applications
Ohlrogge, M.; Seelmann-Eggebert, M.; Leuther, A.; Massler, H.; Tessmann, A.; Weber, R.; Schwantuschke, D.; Schlechtweg, M.; Ambacher, O.
Conference Paper
2013A 243 GHz LNA module based on mHEMT MMICs with integrated waveguide transitions
Hurm, V.; Weber, R.; Tessmann, A.; Massler, H.; Leuther, A.; Kuri, M.; Riessle, M.; Stulz, H.P.; Zink, M.; Schlechtweg, M.; Ambacher, O.; Närhi, T.
Journal Article
2013A 243 GHz low-noise amplifier module for use in next-generation direct detection radiometers
Tessmann, A.; Hurm, V.; Leuther, A.; Massler, H.; Weber, R.; Kuri, M.; Riessle, M.; Stulz, H.P.; Zink, M.; Schlechtweg, M.; Ambacher, O.; Närhi, T.
Conference Paper
2013A 67 GHz GaN voltage-controlled oscillator MMIC with high output power
Weber, R.; Schwantuschke, D.; Brueckner, P.; Quay, R.; Mikulla, M.; Ambacher, O.; Kallfass, I.
Journal Article
2013Camera-assisted passenger localization in public transport vehicles
Gosda, Uwe; Weber, Richard; Michler, Oliver
Conference Paper
2013A compact 94 GHz FMCW radar MMIC based on 100 nm InGaAs mHEMT technology with integrated transmission signal conditioning
Zech, C.; Hülsmann, A.; Weber, R.; Tessmann, A.; Wagner, S.; Schlechtweg, M.; Leuther, A.; Ambacher, O.
Conference Paper
2013A compact 94 GHz FMCW radar MMIC based on 100 nm InGaAs mHEMT technology with integrated transmission signal conditioning
Zech, C.; Hulsmann, A.; Weber, R.; Tessmann, A.; Wagner, S.; Schlechtweg, M.; Leuther, A.; Ambacher, O.
Conference Paper
2013MHEMT G-band low-noise amplifiers
Kärkkäinen, M.; Kantanen, M.; Caujolle-Bert, S.; Varonen, M.; Weber, R.; Leuther, A.; Seelmann-Eggebert, M.; Närhi, T.; Halonen, K.A.I.
Conference Paper
2013A monolithic integrated mHEMT chipset for high-resolution submillimeter-wave radar applications
Tessmann, A.; Leuther, A.; Massler, H.; Lewark, U.J.; Wagner, S.; Weber, R.; Kuri, M.; Zink, M.; Riessle, M.; Stulz, H.P.; Schlechtweg, M.; Ambacher, O.; Sommer, R.; Wahlen, A.; Stanko, S.
Conference Paper
2013Target tracking in wireless sensor networks by data fusion with video-based object detection
Gosda, Uwe; Weber, Richard; Michler, Oliver; Zeisberg, Sven; Mademann, Erik
Conference Paper
2013WSN-based passenger localization in severe NLOS environments using SDP
Weber, Richard; Gosda, Uwe; Michler, Oliver; Ringel, Julia
Conference Paper
2012A 245 GHz LNA in SiGe technology
Schmalz, K.; Borngräber, J.; Mao, Y.F.; Rücker, H.; Weber, R.
Journal Article
2012Anrodnung zum Kalibrieren einer Messeinrichtung
Seelmann-Eggebert, M.; Weber, R.
Patent
2012The full penetration hole as a stochastic process: Controlling penetration depth in keyhole laser-welding processes
Blug, A.; Abt, F.; Nicolosi, L.; Heider, A.; Weber, R.; Carl, D.; Höfler, H.; Tetzlaff, R.
Journal Article
2012An H-band low-noise amplifier MMIC in 35 nm metamorphic HEMT technology
Weber, R.; Hurm, V.; Massler, H.; Weissbrodt, E.; Tessmann, A.; Leuther, A.; Nähri, T.; Kallfass, I.
Conference Paper
2012Synthetic aerture radar for all weather penetrating UAV application (SARAPE) - project presentation
Caris, M.; Stanko, S.; Essen, H.; Leuther, A.; Tessmann, A.; Weber, R.; Malanowski, M.; Samczynski, P.; Kulpa, K.; Meszoly, G.; Papanastasiou, A.C.; Topping, C.; Georgiou, G.E.; Guraly, R.; Bilacz, Z.
Conference Paper
2012Synthetic aperture radar for all weather penetrating UAV application (SARape) - project presentation
Caris, Michael; Stanko, Stephan; Essen, Helmut; Leuther, Arnulf; Tessmann, Axel; Weber, Rainer; Malanowski, Mateusz; Samczynski, Piotr; Kulpa, Krzysztof; Meszoly, Gyorgy; Topping, Christopher; Georgiou, George E.; Papanastasiou, Andreas C.; Guraly, Roland; Bilacz, Zoltan
Conference Paper
2011Camera based closed loop control for partial penetration welding of overlap joints
Abt, F.; Heider, A.; Weber, R.; Graf, T.; Blug, A.; Carl, D.; Höfler, H.; Nicolosi, L.; Tetzlaff, R.
Conference Paper, Journal Article
2011Closed-loop control of laser power using the full penetration hole image feature in aluminum welding processes
Blug, A.; Carl, D.; Höfler, H.; Abt, F.; Heider, A.; Weber, R.; Nicolosi, L.; Tetzlaff, R.
Conference Paper, Journal Article
2011Dual-gate GaN MMICs for MM-wave operation
Quay, R.; Tessmann, A.; Kiefer, R.; Maroldt, S.; Haupt, C.; Nowotny, U.; Weber, R.; Massler, H.; Schwantuschke, D.; Seelmann-Eggebert, M.; Leuther, A.; Mikulla, M.; Ambacher, O.
Journal Article
2011A fully-scalable coplanar waveguide passive library for millimeter-wave monolithic integrated circuit design
Diebold, S.; Weber, R.; Seelmann-Eggebert, M.; Massler, H.; Tessmann, A.; Leuther, A.; Kallfass, I.
Conference Paper
2011Future trends in business analytics and optimization
Brown, D.E.; Famili, F.; Paass, G.; Smith-Miles, K.; Thomas, L.C.; Weber, R.; Baeza-Yates, R.; Bravo, C.; L'Huillier, G.; Maldonado, S.
Journal Article
2011High-performance 60 GHz MMICs for wireless digital communication in 100 nm mHEMT technology
Lopez-Diaz, D.; Kallfass, I.; Tessmann, A.; Weber, R.; Massler, H.; Leuther, A.; Schlechtweg, M.; Ambacher, O.
Journal Article
2011Low noise amplifiers for G-band radiometers
Kantanen, M.; Kärkkäinen, M.; Caujolle-Bert, S.; Varonen, M.; Weber, R.; Seelmann-Eggebert, M.; Leuther, A.; Jukkala, P.; Närhi, T.; Halonen, K.A.
Conference Paper
2011Novel X-ray system for in-situ diagnostics of laser based processes
Abt, F.; Boley, M.; Weber, R.; Graf, T.; Popko, G.; Nau, S.
Conference Paper
2011Online measurement and closed loop control of penetration depth in laser welding processes
Abt, F.; Wölfelschneider, H.; Baulig, C.; Höfler, H.; Weber, R.; Graf, T.
Conference Paper
2011Real time closed loop control of full penetration keyhole welding with cellular neural network cameras
Abt, F.; Blug, A.; Nicolosi, L.; Dausinger, F.; Höfler, H.; Tetzlaff, R.; Weber, R.
Journal Article
2011A W-band x 12 multiplier MMIC with excellent spurious suppression
Weber, R.; Lewark, U.J.; Leuther, A.; Kallfass, I.
Journal Article
2011A W-band x12 frequency multiplier MMIC in waveguide package using quartz and ceramic transitions
Weber, R.; Tessmann, A.; Zink, M.; Kuri, M.; Stulz, H.-P.; Riessle, M.; Massler, H.; Maier, T.; Leuther, A.; Schlechtweg, M.; Kallfass, I.
Conference Paper
2010Entwicklung und Anwendung numerischer Simulationsmethoden für den Siebdruck
Krause, G.; Kraft, T.; Wonisch, A.; Meier, S.; Gemetz, F.; Weber, R.; Schwanke, D.; Lang, A.; Pohlner, J.; Pönisch, C.; Geng, J.
Book Article
2010Entwicklung von Beschichtungsstrategien
Krause, G.; Kraft, T.; Wonisch, A.; Meier, S.; Gemetz, F.; Weber, R.; Schwanke, D.; Lang, A.; Pohlner, J.; Pönisch, C.; Geng, J.
Book Article
2010Low-noise amplifiers in d-band using 100 nm and 50 nm mHEMT technology
Weissbrodt, E.; Kallfass, I.; Weber, R.; Tessmann, A.; Massler, H.; Leuther, A.
Conference Paper
2009Advanced mHEMT MMICs for 220 GHz high-resolution imaging systems
Chartier, S.; Tessmann, A.; Leuther, A.; Weber, R.; Kallfass, I.; Schlechtweg, M.; Stanko, S.; Essen, H.; Ambacher, O.
Conference Paper, Journal Article
2009Advanced mHEMT technologies for space applications
Hülsmann, A.; Leuther, A.; Kallfass, I.; Weber, R.; Tessmann, A.; Schlechtweg, M.; Ambacher, O.
Conference Paper
2009Closed loop control of laser welding processes using cellular neural network cameras - experimental results
Abt, F.; Blug, A.; Nicolosi, L.; Dausinger, F.; Weber, R.; Tetzlaff, R.; Carl, D.; Höfler, H.
Conference Paper
2009Closed loop control of laser welding processes using cellular neural network cameras: Measurement technology
Blug, A.; Abt, F.; Nicolosi, L.; Carl, D.; Dausinger, F.; Höfler, H.; Tetzlaff, R.; Weber, R.
Conference Paper
2009Closed loop control of laser welding processes using cellular neural networkcameras: Measurement technology
Blug, A.; Abt, F.; Nicolosi, L.; Carl, D.; Dausinger, F.; Höfler, H.; Tetzlaff, R.; Weber, R.
Conference Paper
2009Fibre ceramic based friction linings
Richter, D.; Hane, C.; Rabenstein, M.; Mucha, H.; Krenkel, W.; Yang, F.; Kunz, D.; Park, H.-S.; Willert-Porada, M.; Rosenlöcher, J.; Yarim, R.; Hegermann, R.; Huber, J.; Weber, R.
Conference Paper
2009A fully integrated, compound transceiver MIMIC utilizing six antenna ports for 60 GHz wireless applications
Koch, S.; Kallfass, I.; Weber, R.; Leuther, A.; Schlechtweg, M.; Saito, S.
Conference Paper
2009Glass ceramics for high-resolution imaging
Johnson, J.A.; Weber, R.; Kolesnikov, A.I.; Schweizer, S.
Conference Paper
2009High-performance MMICs and high-speed mixed-signal ICs based on III/V HEMT and HBT technology for sensors and communication
Schlechtweg, M.; Tessmann, A.; Kallfass, I.; Leuther, A.; Weber, R.; Chartier, S.; Driad, R.; Makon, R.E.; Hurm, V.; Massler, H.; Benkhelifa, F.; Lösch, R.; Rosenzweig, J.; Ambacher, O.; Kuri, M.
Conference Paper
2009MMICs and mixed-signal ICs based on III/V technology for highest frequencies and data rates
Schlechtweg, M.; Tessmann, A.; Kallfass, I.; Leuther, A.; Weber, R.; Chartier, S.; Driad, R.; Makon, R.E.; Hurm, V.; Seelmann-Eggebert, M.; Massler, H.; Kuri, M.; Riessle, M.; Zink, M.; Benkhelifa, F.; Lösch, R.; Rosenzweig, J.; Ambacher, O.
Journal Article
2009A novel tuning concept for wideband VCOs based on a shunt-FET
Weber, R.; Kallfass, I.; Seelmann-Eggebert, M.; Leuther, A.
Conference Paper
2009Oszillator mit ohmsch einstellbarer Schwingfrequenz
Weber, R.; Kallfass, I.
Patent
2009Oszillator mit ohmsch einstellbarer Schwingungsfrequenz
Weber, R.; Kallfass, I.
Patent
2009Real Time Closed Loop Control of Full Penetration Keyhole Welding with Cellular Neural Network Cameras
Abt, F.; Blug, A.; Nicolosi, L.; Dausinger, F.; Höfler, H.; Tetzlaff, R.; Weber, R.
Conference Paper
2008Low noise amplifiers for D-band
Kantanen, M.; Kärkkäinen, M.; Varonen, M.; Laaninen, M.; Karttaavi, T.; Weber, R.; Leuther, A.; Seelmann-Eggebert, M.; Närhi, T.; Lahtinen, J.; Halonen, K.
Journal Article
2007An analogue, 4:2 MUX/DEMUX front-end MIMIC for wireless 60 GHz multiple antenna transceivers
Koch, S.; Kallfass, I.; Weber, R.; Leuther, A.; Schlechtweg, M.; Uno, M.
Conference Paper
2007A PLL-stabilized W-band MHEMT push-push VCO with integrated frequency divider circuit
Weber, R.; Kuri, M.; Lang, M.; Tessmann, A.; Seelmann-Eggebert, M.; Leuther, A.
Conference Paper
2006Coplanar 155 GHz MHEMT MMIC low noise amplifiers
Kantanen, M.; Kärkkäinen, M.; Varonen, M.; Karttaavi, R.; Weber, R.; Leuther, A.; Seelmann-Eggebert, M.; Närhi, T.; Halonen, K.
Conference Paper
2006Coplanar 94 GHz metamorphic HEMT low noise amplifiers
Kärkkäinen, M.; Varonen, M.; Kantanen, M.; Karttaavi, R.; Weber, R.; Leuther, A.; Seelmann-Eggebert, M.; Nähri, T.; Halonen, K.
Conference Paper
2005Metamorphic 50 nm InAs-Channel HEMT
Leuther, A.; Weber, R.; Dammann, M.; Schlechtweg, M.; Mikulla, M.; Walther, M.; Weimann, G.
Conference Paper
2005Performance of compensation algorithm for direct-conversion receivers under finite wordlength constraints
Weber, R.; Jordan, M.; Christoffers, N.; Müller, H.-C.; Hosticka, B.J.
Conference Paper
2003Aktives Load-Pull Messsystem für Transistoren größer 60 GHz auf der Basis eines Agilent 8510 Netzwerkanalysators
Weber, R.
Thesis
2003AlGaN/GaN HEMTs on SiC: Towards power operation at V-band
Quay, R.; Tessmann, A.; Kiefer, R.; Weber, R.; Raay, F. van; Kuri, M.; Riessle, M.; Massler, H.; Müller, S.; Schlechtweg, M.; Weimann, G.
Conference Paper
2002Verfahren und Vorrichtung zur Reinigung von Silan enthaltenden Gasen
Block, H.; Weber, R.; Danzig, J.
Patent
1998Case-Based Reasoning Approach to Reuse of Experiential Knowledge in Software Measurement Programs
Gresse von Wangenheim, C.; Ramos, A.M.; Althoff, K.-D.; Barcia, R.M.; Weber, R.; Martins, A.
Conference Paper
1993Multi fiber/chip coupling and optoelectronic integrated circuit packaging based on flip chip bonding techniques
Weber, R.; Fidorra, F.; Hamacher, M.; Heidrich, H.; Jacumeit, G.
Conference Paper
1991Application of localized Zn diffusion across heterointerfaces for the realization of a compact high-speed bipolar driver circuit on InGaAsP/InP
Weber, R.; Paraskevopoulos, A.; Schroeter-Janssen, H.; Bach, H.G.
Journal Article
1991Simulation and experimental study of Zn outdiffusion during epitaxial growth of a double heterostructure bipolar transistor structure
Paraskevopoulos, A.; Weber, R.; Harde, P.; Schroeter-Janssen, H.
Conference Paper, Journal Article