| 摘要 |
A multilayer structure film comprising first base crystal layer (33) composed of crystal grains adjacent to each other and second base crystal layer (34) whose thickness is greater than that of the first base crystal layer (33), extending over the upper surface of the first base crystal layer (33). The second base crystal layer (34) is composed of crystal grains having grown from individual crystal grains of the first base crystal layer (33). In the first and second base crystal layers (33, 35), fine uniform crystal grains are established. Moreover, in the first and second base crystal layers (33, 35), satisfactory layer thickness can be ensured. The multilayer structure film further comprises first and second magnetic crystal layers (35, 36) wherein fine uniform crystal grains are established. Moreover, in the first and second magnetic crystal layers (35, 36), satisfactory layer thickness can be ensured.
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