shadow mask meaning in Hindi

Examples

1. Until 1968, every color television sold used the RCA shadow mask concept,
2. Improvements in conventional shadow masks removed most of its advantages during this period.
3. As the electron beam hits the shadow mask in these areas it heats unevenly.
4. Additionally, the lack of the shadow mask makes the penetron much more robust mechanically.
5. Doming problems due to thermal expansion of the shadow mask was solved in several ways.
6. While investigating all of these, RCA's teams quickly started focusing on the shadow mask system.
7. All early color televisions and the majority of CRT computer monitors used shadow mask technology.
8. This leaves the shadow mask with a small and somewhat randomized field, removing the discoloration.
9. But it was RCA's success with the shadow mask that dampened most of these efforts.
10. Development was abandoned when the shadow mask proved successful.