发明名称 |
TENSION MASK COLOR CATHODE RAY TUBE FRONT ASSEMBLY HAVING A STABILIZED MASK SUPPORT FRAME |
摘要 |
<p>A front assembly for a color cathode ray tube is disclosed. The tube includes a faceplate having on its inner surface a centrally disposed phosphor screen. A shadow mask support structure is resting on and secured to the inner surface of the faceplate on opposed sides of the screen. A foil shadow mask is secured to the structure under high inward tension. The shadow mask support structure according to the invention is characterized by having at least one foot resting on the inner surface for bracing and stabilizing the structure against upset from the high tension of the mask. Other embodiments of the invention are shown in which one or more of the feet have a plurality of open-ended or closed-ended openings therein for facilitating passage of the cement used for attaching the support structure to the inner surface of the faceplate. The openings according to the invention present cement-contactible edges for enhancing the securement of the support structure.</p> |
申请公布号 |
CA1270034(A) |
申请公布日期 |
1990.06.05 |
申请号 |
CA19870530029 |
申请日期 |
1987.02.18 |
申请人 |
ZENITH ELECTRONICS CORPORATION |
发明人 |
KAPLAN, SAM H. |
分类号 |
H01J9/227;H01J29/07;(IPC1-7):H01J29/07;H01J29/86 |
主分类号 |
H01J9/227 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|