Search for dissertations about: "lift-off-free"

Found 2 swedish dissertations containing the word lift-off-free.

  1. 1. Design Optimization and Realization of 4H-SiC Bipolar Junction Transistors

    Author : Hossein Elahipanah; Mikael Östling; Carl-Mikael Zetterling; Anders Hallèn; Adolf Schöner; Tsunenobu Kimoto; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; 4H-SiC; BJT; high-voltage and ultra-high-voltage; high-temperature; self-aligned Ni-silicide Ni-SALICIDE ; lift-off-free; wafer-scale; current gain; Darlington; Electrical Engineering; Elektro- och systemteknik; Informations- och kommunikationsteknik; Information and Communication Technology;

    Abstract : 4H-SiC-based bipolar junction transistors (BJTs) are attractive devices for high-voltage and high-temperature operations due to their high current capability, low specific on-resistance, and process simplicity. To extend the potential of SiC BJTs to power electronic industrial applications, it is essential to realize high-efficient devices with high-current and low-loss by a reliable and wafer-scale fabrication process. READ MORE

  2. 2. Nanofabrication processes for high-aspect ratio X-ray zone plates

    Author : Hanna Ohlin Ohlin; Ulrich Vogt; Matias Kagias; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Physics; Fysik;

    Abstract : The field of nanofabrication is vast, and there are many methods available to facilitate the fabrication of different types of structures. Nanostructured materials make up critical infrastructure in fields like medical technology, energy storage and production, computer science and more. READ MORE