An emitter material for a CRT comprises mixed crystal or solid solution of at least two kinds of alkaline earth metal carbonate, wherein at least one alkaline earth metal carbonate is dispersed or separated in the mixed crystal or solid solution. The alkaline earth metal carbonate, which is ...
Cathode-ray tube funnel 来自 Semantic Scholar 喜欢 0 阅读量: 45 作者:Y Matsumoto,松本 保弘 摘要: PROBLEM TO BE SOLVED: To provide a cathode-ray tube funnel enabled to reduce a weight, without reducing the mechanical strength. SOLUTION: The mechanical strength of the cathode-ray tube funnel ...
Structure Fire Tube Media Steam and Water Water Circulation Forced Circulation Drum Placement Vertical Boiler Pressure Pressure Manufacturing Level A Burning Style Chamber Combustion Boiler Usage Industrial, Home, Vehicle, Power Station Transport Package Naked with Plastic Fil...
COLOR CATHODE-RAY TUBE DEVICE 来自 掌桥科研 喜欢 0 阅读量: 9 申请(专利)号: JP19980374214 申请日期: 1998-12-28 公开/公告号: JP2000195440A 公开/公告日期: 2000-07-14 申请(专利权)人: TOSHIBA CORP 发明人:S Yuichi,Y Masahiro,I Hiroaki ...
发明人: J Verweel 摘要: A cathode ray tube for displaying colored pictures of the post focusing type. A magnetic quadrupole lens is formed in each aperture of the color selection means. The defocusing direction of quadrupole lenses is parallel to the phosphor strips of the display screen.收藏...
PURPOSE:To coat uniformly and securely a solid lubricant on plural balls for a bearing for an X-ray tube by holding the balls in the meshes of a mesh electrode so as not to contact with eachother and plating the lubricating agent thereto while moving the balls. CONSTITUTION:The plural beari...