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The development of an electron gun for 64cm color picture tube

机译:64cm彩色显像管电子枪的研制

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摘要

To improve the focus performance of middle-sized CFT (Color Picture Tube), a new type of electron gun for 64cm CPT is developed. The new gun is based on the current gun for the large screen CPT. The shield cup of the electron gun for large screen CPT is of a horizontal slit structure which is difficult to he replanted into the middle-sized CPT. So we redesign the shield subassembly by adding field controller and correcting electrode. The redesigned gun can be used for the 64cm CPT with no coma-free deflection yoke. The new design improved the focus performance and decreased the cost.
机译:为了提高中型CFT(彩色显像管)的聚焦性能,开发了一种用于64cm CPT的新型电子枪。新枪基于用于大屏幕CPT的当前枪。用于大屏幕CPT的电子枪的屏蔽罩具有水平狭缝结构,难以将其重新植入中型CPT中。因此,我们通过添加场控制器和校正电极来重新设计屏蔽组件。重新设计的喷枪可用于64厘米CPT,且无偏转昏迷。新设计提高了对焦性能并降低了成本。

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