Essays about: "etching"

Showing result 16 - 20 of 79 essays containing the word etching.

  1. 16. Membrane Fabrication by Dry Silicon Etching for X-ray Optics

    University essay from KTH/Tillämpad fysik

    Author : Fabian Lundberg; [2020]
    Keywords : ;

    Abstract : .... READ MORE

  3. 17. Design of Experiment and Evaluation of Abrasive Waterjet Cutting in Titanium Alloy Sheet

    University essay from

    Author : Daniel Andersson; Mikael Ingvarsson; [2019-07-03T13:52:34Z 2019-07-03T13:52:34Z 2015]
    Keywords : Materialvetenskap; Produktion; Mekanisk tillverkningsteknik; Materials Science; Production; Mechanical manufacturing engineering;

    Abstract : High demands on components in the aerospace industry empower the use of advanced manufacturing processes in order to increase quality and reduce costly processing steps. This includes non-conventional machining such as Abrasive Waterjet where the components are cut through abrasive impingement by means of abrasives accelerated by pressurized water. READ MORE

  4. 18. Inductively-Coupled Plasma Etching for Nanoimprint Si-masters

    University essay from Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionen

    Author : Oskar Boström; [2019]
    Keywords : NIL; Semiconductor; EBL; SEM; ICP-RIE; Fluorine Etching; Physics; Technology and Engineering;

    Abstract : In the last decades, engineers have been pushing semiconductor technology towards fabricating ever smaller devices, and will eventually pass the lower limit of currently commonplace optical lithographic techniques. New techniques have been developed, such as nanoimprint lithography. READ MORE

  5. 19. Investigating Optical-Field-Induced Currents in GaN using Ultrafast Lasers

    University essay from Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

    Author : Vidar Flodgren; [2019]
    Keywords : GaN; gallium nitride; nanoscience; material science; ultrafast lasers; Yb Laser; Pharos Laser; titanium sapphire laser; device fabrication; lift-off; gold etching; optical-field-induced currents; modelling; matlab; Physics and Astronomy;

    Abstract : This study saw the development of an experimental setup capable of generating and measuring optical-field-induced currents in a variety of nanodevices fabricated specifically for this project. Each device design features two metallic contacts, closely separated by about 5 micrometers, deposited onto a semiconductor or insulator substrate. READ MORE

  6. 20. Study of ohmic contact formation on AlGaN/GaN heterostructures

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Kai-Hsin Wen; [2019]
    Keywords : ohmic contacts; wide bandgap; Ta-based; recess etch; N-vacancies;

    Abstract : It is challenging to achieve low-resistive ohmic contacts to III-nitride semiconductors due to their wide bandgap. A common way to reduce the contact resistance is to recess the ohmic area prior to metallization. READ MORE