![]() 238000004519 manufacturing process Methods 0.000 description 10.OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 16. ![]() 238000010894 electron beam technology Methods 0.000 claims abstract description 116.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from GB1574670 external-priority Application filed by Sanders Associates Inc filed Critical Sanders Associates Inc Priority to US00398038A priority Critical patent/US3852640A/en Application granted granted Critical Publication of US3890541A publication Critical patent/US3890541A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Sanders Associates Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US129824A Inventor Brian Dennis Mccarthy Anthony Victor Krause Current Assignee (The listed assignees may be inaccurate. Google Patents Cathode ray tube apparatusÄownload PDF Info Publication number US3890541A US3890541A US129824A US12982471A US3890541A US 3890541 A US3890541 A US 3890541A US 129824 A US129824 A US 129824A US 12982471 A US12982471 A US 12982471A US 3890541 A US3890541 A US 3890541A Authority US United States Prior art keywords screen directing space electrode cathode ray Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. In addition, the charge to mass ratio of ionized particles was found to be different and depended on the type of gasses.- Google Patents US3890541A - Cathode ray tube apparatus It is because the canal rays consist of positive ions formed as a result of gas ionization. The canal rays depend on the nature or type of gas present inside the glass tube and are different from cathode rays. In addition, the canal rays are considered to be the nucleus of the gas which has differentiated properties compared to cathode rays. When a high external voltage source is applied to the glass tube via electrodes, it ionizes the gas present inside the tube where the positive ions constitute the origin of the canal ray. The rays which were moving in opposite to the cathode rays were called canal rays.Increase the external voltage source to several thousand volts, which results in the emission of faint luminous rays emerging from the cathode electrode holes. ![]() This leads to the completion of the circuit and apparatus setup. High voltage passing through the electrode ionizes the air and makes it conduct the electricity like a conductor.Connect the two electrodes (anode and cathode) to a high external voltage source. ![]()
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