| 摘要 |
A shadow mask for a flat cathode ray tube having a plurality of pores for discriminating electron beams emitted from electron guns by colors, and a vibration attenuation device disposed in a space between the pores, the shadow mask being provided with at least one reference portion for indicating the position at which the vibration attenuating device is to be installed. By referring to the reference portion, the vibration attenuating device can be accurately positioned in a space between the pores of a shadow mask without blocking the pores.
|
