会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 8. 发明专利
    • DISCHARGE TUBE FOR DISPLAY
    • JPS60180043A
    • 1985-09-13
    • JP3644984
    • 1984-02-27
    • MATSUSHITA ELECTRONICS CORP
    • ATSUMI TAMINORINAKAGAWA YOSHIOOKAMOTO TAKIOITOU KOUJI
    • H01J17/49
    • PURPOSE:To obtain a large perspective angle by forming a great number of thin cathodes in the inside of a surface plate for perspective and a great number of thin anodes perpendicular to them in the inside of a back plate, and further providing insulating layers in parts of the surfaces of the cathodes. CONSTITUTION:An envelope is formed by a back plate 1 and a surface plate 2 for perspective, and a great number of thin cathodes 7 arranged in the inside of the surface plate 2 in parallel are provided, in which parts of the surfaces opposing to anodes 8 are covered with insulating layers 9, and the anodes 8 perpendicular to the cathodes 7 are provided in the inside of the back plate 1 in a parallel direction, and further insulating bulkheads 10 for forming scanning spaces are provided along the anodes 8, and the a discharge tube for display is formed. And therefore only the portions in the region of both ends of the cathodes 7 are exploded to the side of the anodes 8 and it is possible to obtain a large perspective angle even if the high density is made in the electrode arrangement because the cathode glow is generated in the only exploded region in discharging, and further it is possible to enlarge the area of each electrode and to reduce the resistance value.
    • 10. 发明专利
    • HORIZONTALLTYPE TRANSISTOR
    • JPS5674963A
    • 1981-06-20
    • JP15230679
    • 1979-11-24
    • MATSUSHITA ELECTRONICS CORP
    • ITOU KOUJI
    • H01L29/73H01L21/331H01L29/72
    • PURPOSE:To obtain a high-current amplification factor by forming an emitter area deeper than a collector area inside a base area and at the same time, providing the lower impurity concentration of a base area located between the emitter and collector areas than the impurity concentration of a base area under an emitter area. CONSTITUTION:A N type imbedded area 11 is diffused and formed on a P type silicon substrate 1 and a N type layer 3 is caused to epitaxially grow on the entire area including the area 11. Then a layer 3 is formed like an island by means of a P type insulative separation area and it is used as a base area for a horizontal-type PNP transistor. Next, inside the layer 3, an annular P type collector area 4 is diffused and formed, and in an area surrounded by the area 4, a P type emitter area 5 is provided, and is entirely covered by SiO2 film 10 with an opening provided. After these steps, electrodes 7, 9 are attached on the areas 4, 5 respectively. In addition, on the end of the layer 3, a N type area 12 for ohmic contact adjoining the area 11 is formed with an electrode 8 attached. Under this constitution, the area 5 is depened and its concentration is lessened more than that of the area 4. Further, the concentration of the area 3 between the areas 4, 5 is reduced compared with the concentration of the layer 3 right under the area 5.