| 摘要 |
PCT No. PCT/KR96/00128 Sec. 371 Date Mar. 31, 1997 Sec. 102(e) Date Mar. 31, 1997 PCT Filed Aug. 5, 1996 PCT Pub. No. WO97/06552 PCT Pub. Date Feb. 20, 1997A triple-layered shadow mask for a CRT which comprises a first thin metal plate formed in a shape corresponding to a panel with a multiple electron beam holes and supplied with a first DC voltage, a second thin metal plate formed in a shape corresponding to the panel with a multiple electron beam holes and supplied with a second DC voltage for obtaining focus lens between the first and the second DC voltages, and a dielectric layer for forming an insulating layer using the inorganic materials between said first thin metal plate and the second thin metal plate.
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