<p>The invention relates to a cathode-ray tube 1 having an electron gun 3 positioned in a neck portion 2. The electron gun 3 is provided with a focusing structure 10 which includes a hollow tube 12 of electrically insulating material. A layer 14 of a material having a high resistance is applied to the inner surface of the hollow tube. The resitance layer 14 is shielded from a getter arrangement 44 positioned in the cathode ray tube 1.</p>
申请公布号
EP0404244(A1)
申请公布日期
1990.12.27
申请号
EP19900201573
申请日期
1990.06.18
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
VRIJSSEN, GERARDUS ARNOLDUS HERMAN MARIA;VAN ALPHEN, WILLEM MEIJNDERT;GOORHUIS, GER-WIM JAN