Sökning: "microchannel plates"

Hittade 2 avhandlingar innehållade orden microchannel plates.

1. 1. Instrumentation for energetic Neutral atom measurements at Mars, Venus and The Earth

   Författare :Klas Brinkfeldt; Umeå universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Energetic neutral atoms; instruments and techniques; mass spectrometry; microchannel plates; solid state detectors; solar wind interaction; planets; magnetosphere; exosphere; ring current; Space physics; Rymdfysik;

   Sammanfattning : This thesis deals with the development and calibrations of sensors to measure energetic neutral atoms (ENAs) at Mars, Venus, and the Earth. ENAs are formed in charge exchange processes between energetic, singly--charged ions and a cold neutral gas. LÄS MER

3. 2. Diamond Microfabrication for Applications in Optics and Chemical Sensing

   Författare :Pontus Forsberg; Mikael Karlsson; Christoph Nebel; Uppsala universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; diamond; microfabrication; microoptics; coronagraph; waveguide; microelectrodes; superhydrophobic; Teknisk fysik med inriktning mot mikrosystemteknik; Engineering Science with specialization in Microsystems Technology;

   Sammanfattning : Diamond is a material with many exceptional properties. In this thesis methods for fabrication of microstructures as well as several applications of such structures in optics, microfluidics and electrochemistry are presented.A method for etching deep and highly precise gratings is described. LÄS MER