| 摘要 |
PROBLEM TO BE SOLVED: To extremely improve yield and largely decreasing manufacturing cost of chips by cutting a three-layer layered product in streaks, cutting many chip semi-finish products from the formed column-like material, and finishing these chip semi-finish products into the chips. SOLUTION: A three-layer layered product is cut vertically to the upper surface of a first layer 12 in the order of the first layer 12, a second layer 11, and a third layer 13, and thereby column-like materials 20 with rectangular cross section are produced. Then, by cutting this column-like material 20 from one cutting cross section 21 to the other cutting cross section 22, chip semi-finish products 30... including the second layer 11 at its center is produced. Then, cutting faces 41, cutting blades 42, and flanks 43 are formed on these chip semi-finish products 30... to form chips 40. Such manufacturing extremely improves product yield and allows inexpensive mass production of the chips 40.
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