An experiment to build an electron gun. ... The aim of this experiment was to construct an electron gun completely from scratch. The ultimate goal was to produce a video image inside the bell jar of the vacuum rig.
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www.teralab.co.uk/Experiments/Electron_Optics/Electron_...
www.teralab.co.uk/Experiments/Electron_Optics/Electron_Optics_Page1.htm
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Electricity is the movement of electrons from attom to atom but how are streams of electrons shot through the air to hit a phosphor screen in a TV or monitor by an electron gun? I just don't see how an electron can be removed from it's atom to fly throught the air and make it to the screen. In electricity the...
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www.physicsforums.com/archive/index.php/t-4645.html
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The diagram below shows how to make a glass vial into a crt. Before inserting the electron gun into the mouth of the vial, I took a little phosphor powder (from the broken fluorescent light), mixed it with some water and swished it around inide the bottom of the vial until it dried.
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www.sparkbangbuzz.com/crt/crt6.htm
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The idea behind an electron gun is to create electrons and then accelerate them to a very high speed. In a cathode ray tube (CRT) -- the big glass tube used in most televisions and computer monitors -- the electrons get aimed at the screen, where they light up the phosphor on the screen to create the image.
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electronics.howstuffworks.com/question694.htm
electronics.howstuffworks.com/question694.htm
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Objectives during this period were to evaluate Cathaloy A-33 as a cathode base material, find the effect of cathode activation and processing on noise figure, and make preliminary electron-gun evaluations at high current densities. ... An electron gun was scaled, utilizing the current density and voltage from a previous...
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stinet.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=h...
stinet.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=html&identifier=AD0620853
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How do you produce gun? What is a electron gun? Picture of cathode tube? How do you make electron gun? Do tube sponges have complete guts? How is does the cathode ray gun work? Ina cathode ray tube the number of electrons?
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wiki.answers.com/Q/How_can_an_electron_gun_in_a_cathode...
wiki.answers.com/Q/How_can_an_electron_gun_in_a_cathode_ray_tube_produce_a_complete_picture_on_a_television_screen
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This is the type of electron gun used in most electron microscopes. It is robust, relatively cheap and does not require an ultra high vacuum. In the thermionic electron gun, electrons are emitted from a heated filament and then accelerated towards an anode;
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www.matter.org.uk/tem/electron_gun/electron_sources.htm
www.matter.org.uk/tem/electron_gun/electron_sources.htm
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Driving the extraction electrode of an electron gun can be a challenge with these requirements. ... “brick.” The four MOSFETs in series are able to modulate voltages up to 4kV, and handle up to 1200W. The series load resistance is a simple series parallel combination of 8 10kOhm, 225W resistors to make; 5kOhm,
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accelconf.web.cern.ch/AccelConf/p99/PAPERS/MOP143.PDF
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This is just the beginning of a project that aims to display video via a homemade electron gun. So far the gun is operational in a vacuum bell jar and it is ...
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blog.makezine.com/archive/2008/06/home_made_electron_gu...
blog.makezine.com/archive/2008/06/home_made_electron_gun.html
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