Sökning: "printed diode"

Visar resultat 1 - 5 av 7 avhandlingar innehållade orden printed diode.

  1. 1. High frequency electronic packaging and components : characterization, simulation, materials and processing

    Författare :Christian Johansson; Mats Robertsson; Li-Rong Zheng; Linköpings universitet; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Dielectric loss; high frequency electrical characterization; microwave circuits; multilayer thin film technology; ORMOCER®; permittivity; printed diode; sequential build-up; silicone elastomer; Signal processing; Signalbehandling;

    Sammanfattning : Electronic packaging continues to move towards improved performance and lower cost. Requirements of higher performance, reduced size, weight and cost of both high density interconnects and high frequency devices have led to the search for new materials, material combinations, methods, processes and production equipment. LÄS MER

  2. 2. EMI from Switched Converters – Simulation Methods and Reduction Techniques

    Författare :Andreas Henriksson; Chalmers University of Technology; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; state space methods; EMI; semiconductor device modeling; diode reverse recovery; diode modeling; conducted emissions; Semiconductor device measurements; DC DC converters;

    Sammanfattning : In this thesis, the conducted EMI from switched power converters has been analyzed using various existing models, own-derived models as well as measurements. The ingoing passive components in a switching converter have been modeled with respect to their high frequency behavior and the static and dynamic behavior of the active semiconductors has been analyzed. LÄS MER

  3. 3. Diode-laser absorption spectroscopy - applications in medicine and environmental monitoring

    Författare :Jim Larsson; Förbränningsfysik; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TDLAS; GASMAS; biophotonics; Scheimpflug Lidar; Fysicumarkivet A:2019:Larsson;

    Sammanfattning : A major part of this thesis work has been research in a medical project, where, together with industry and clinical partners, the aim was to develop a prototype system for non-invasive monitoring of premature babies based on the optical measurement technique gas in scattering media absorption spectroscopy (GASMAS). Part of the project was to develop a 3D-printed tissue phantom based on chest X-ray images of the thorax of a premature infant. LÄS MER

  4. 4. Charge Transport Modulation and Optical Absorption Switching in Organic Electronic Devices

    Författare :Peter Andersson; Magnus Berggren; Ronald Österbacka; Linköpings universitet; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; electrochromic; photochromic; PEDOT:PSS; active matrix display; switchable charge traps; printed electronics; switchable polarizer; Electrical engineering; electronics and photonics; Elektroteknik; elektronik och fotonik;

    Sammanfattning : Organic electronics has evolved into a well-established research field thanks to major progresses in material sciences during recent decades. More attention was paid to this research field when “the discovery and development of conductive polymers” was awarded the Nobel Prize in Chemistry in 2000. LÄS MER

  5. 5. Multilayered Coreless Printed Circuit Board (PCB) Step-down Transformers for High Frequency Switch Mode Power Supplies (SMPS)

    Författare :Radhika Ambatipudi; Kent Bertilsson; Bengt Oelmann; Torbjörn Thiringer; Mittuniversitetet; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Multilayered Coreless PCB transformers; High frequency converters; Electrical engineering; Elektroteknik; Electronics; Elektronik;

    Sammanfattning : The Power Supply Unit (PSU) plays a vital role in almost all electronic equipment. The continuous efforts applied to the improvement of semiconductor devices such as MOSFETS, diodes, controllers and MOSFET drivers have led to the increased switching speeds of power supplies. LÄS MER