CPC H01F 1/15308 (2013.01) [C22C 45/02 (2013.01); H01F 1/15341 (2013.01); H01F 3/04 (2013.01); H01F 41/0226 (2013.01)] | 16 Claims |
1. A method of producing a laminated amorphous alloy ribbon holding spool comprising:
providing single layer amorphous alloy ribbon holding spools, each of which is wound with a single layer amorphous alloy ribbon;
unwinding the single layer amorphous alloy ribbon from each of the single layer amorphous alloy ribbon holding spools;
making the single layer amorphous alloy ribbon travel with a laser being radiated thereto, to thereby simultaneously prepare single layer amorphous alloy ribbons having laser irradiation marks formed thereon;
laminating the single layer amorphous alloy ribbons having the laser irradiation marks formed thereon, to thereby prepare a laminated amorphous alloy ribbon; and
winding up the laminated amorphous alloy ribbon on a spool.
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