首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
针尖状阴极
摘要
本发明《针尖状阴极》属于电子仪器仪表领域,本发明需要解决的技术问题及用途是将电镜摄像装置、电视机、投影电视机的热阴极都改用针尖状阴极,要以简单的电子显微镜本体的结构,且不使用超高直流电压,使之能应用于冶金、农业、医疗、医药、生物化学、材料生产、研究和教学等领域。本发明主要的技术特征包括配有负电子聚束环(5)(6),电容介质加料钛酸钡陶瓷料烧成漏斗状的结构(13)(14),如附图1所示。
申请公布号
CN1058860A
申请公布日期
1992.02.19
申请号
CN91101753.4
申请日期
1986.10.04
申请人
贾德耀
发明人
贾德耀
分类号
H01J1/13;H01J37/02
主分类号
H01J1/13
代理机构
代理人
主权项
1、本发明是一种针尖状阴极,它属于电子仪器仪表领域。本发明一种针尖状阴极,包括有阳极环金属针尖,其技术特征在于还包括配有负电子聚束环,电容介质加料钛酸钡陶瓷料烧成漏斗状的结构,
地址
325003浙江省温州市东屿发电厂
您可能感兴趣的专利
A METHOD FOR OPTIMIZING THE RADIO FREQUENCY PERFORMANCE OF THE TERMINAL
ULTRASOUND ENDOVASCULAR CLEARING DEVICE
PRIMER COMPOSITION CONTAINING ALDIMINE
RADAR SENSOR ARRANGEMENT
MARKED PRECOATED MEDICAL DEVICE AND METHOD OF MANUFACTURING SAME
METHOD FOR PRODUCING COMPONENTS WITH A WEAR-RESISTANT COATING, COMPONENT PRODUCED IN THIS WAY AND USE THEREOF
Portable type sanitation module for use in motor vehicle, has exchangeable bag shaped storage container coated with hygroscopic filler on inner surface, that is positioned in shallow modular container arranged in seat
Processing head for machinery to process wooden part, has processing group installed so that group rotates around rotational axis with center of rotation, and actuation device moving blade around axis in two different operating conditions
Refrigerating and/or freezing appliance has opening and/or closing device designed in such way when opening door of appliance the cover of butter compartment is opened and/or when closing door of appliance it is closed
EXO1 PROMOTOR POLYMORPHISM ASSOCIATED WITH EXCEPTIONAL LIFE EXPECTANCY IN HUMANS
REDUCED CONFIGURATION DESIGNING SYSTEM AND METHOD
METHOD FOR MANUFACTURING PIEZOELECTRIC VIBRATOR, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC DEVICE AND RADIO-CONTROLLED CLOCK
Illumination angle distribution and intensity distribution adjusting method for lithography projection illumination system, involves varying expansion coefficient and air-gap distance, so that difference of phase deviations is minimized
Fuel injection valve for high-speed internal-combustion engine, has valve needle guided into guide sleeve at needle end turned away from valve seat and having outer side, with which sleeve is guided into inner side of pressure chamber
Tie cover for preventing contamination of tie with meal, has circular fastening devices and latch co-operating with tie, such that visible tie part of tie is arranged behind tie cover, and surface pointing outwards and turned away from tie
Battery cable connection for use in industrial truck, has button contacting adhesive and/or units for producing contacts, where bolting of contacts is loosened and/or force exerted on contacts is minimized during actuation of connection
Contacting device for use in test system of electrical circuit, has holding frame for holding printed circuit board, and adjustment device for positioning printed circuit board part in adjustable position
Verfahren zur Regelung einer Bahnspannung und/oder eines Registers
EINPRESSKONTAKT
Plug-in connector for use on pressed screen for printed circuit board, has plug-in element, where connector is joined by press fit connection of rounded hole and element such that diagonal dimension of element is larger than hole diameter