00000nz  a2200000n  4500
001  KSH2002015116
005  20021104000000
008  020701 n azknn|abn          |a a|a    | 
150  ▼a장벽층[障壁層]▲
450  ▼a언층[堰層]▲
450  ▼wr▼i영어▼abarrier layer▲
550  ▼a반도체[半導體]▲