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자료유형
학술저널
저자정보
저널정보
대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.20 No.9
발행연도
2006.9
수록면
1,361 - 1,370 (10page)

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초록· 키워드

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An electronic beam mis-landing phenomenon on the ROB (red/green/blue)-fluorescent surface has been considered as one of serious problems to be solved in cathode-ray tube (CRT), which is generally caused by mechanical shock and vibration. In this work, structural design concepts on the major parts of the CRT, such as a frame, a shadow mask, and a spring, are studied to improve the mechanical shockproof character of a CRT by FEM-analyses and experimental approaches; a frame is newly designed to have strength employing the double-corner-beads which reduces considerably the distortion of the frame and the shadow mask; the edge of a shadow-mask is redesigned to maintain the wide curved surface of a shadow-mask after mechanical shock; finally, a spring supporting the frame and the shadow-mask is designed to have enough flexibility along drop-direction. As an example, a conventional type of a l5inch CRT was utilized to demonstrate the feasibility and usefulness of this work. Overall, some favorable information on the structural design of the CRT is achieved, and the mechanical shockproof character of a IS-inch CRT is improved in the degree of 3G (1G=9.8l m/s²) as an average-value.

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영어 초록
1. Introduction
2. Shockproof Design of the Structures Using Modal Analysis
3. Mechanical Drop Simulations of the CRT
4. Conclusions
References

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