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标题 发布/更新时间 阅读量
Electron tube 2020-11-16 128
Process for the production of metal-ceramic bond 2020-11-17 864
Field effect electron gun having at least a million emitting fibers per square centimeter 2020-11-19 372
High vacuum, field effect electron tube 2020-11-20 847
High vacuum electron tube with magnetically isolated control electrode 2020-11-24 80
Method of manufacturing electron tubes 2020-11-26 288
Adjustable coupler for electron tubes; adjustment made outside the vacuum and through a dielectric vacuum seal 2020-11-28 491
Screening means for vacuum electric tube devices 2020-12-03 397
Grid electrode of vacuum electric tube devices 2020-12-04 359
Method of laminating one or more materials with a base structure for use in a high vacuum electron tube and method of masking the base preparatory to lamination 2020-11-18 143
Electron tube having an improved filamentary cathode and support therefor and method of making same 2020-11-21 573
Electron type fluorescent display device with planar adjacent control electrode 2020-11-22 412
Methods of manufacturing electron tubes having a photo-sensitive layer in a vacuum space tubes manufactured by said methods and devices for carrying out said methods 2020-11-25 846
Getter devices with non-evaporated gettering material, for maintaining vacuum in electronic tubes 2020-11-30 500
Vacuum seal for electron tubes 2020-12-02 866
Semiconductor replacements for hot cathode vacuum and gas-filled electron tube devices 2020-11-23 367
Composite grid wire for electron tubes 2020-11-27 690
Ring-shaped getter with top deflector, for improving and/or keeping up vacuum in electronic tubes 2020-11-29 660
Mixed getter devices, with evaporated and not evaporated gettering material, for maintaining the vacuum in electronic tubes 2020-12-01 971
High vacuum electron tube 2020-12-05 605
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