| 摘要 |
PROBLEM TO BE SOLVED: To provide a lead frame low in material cost. SOLUTION: By using inexpensive paper or plastic for a part of a frame 2 of this lead frame 1 instead of using a metal material, metal material is used only for a part mostly used in a product, and the cost of the metal material for use is reduced. COPYRIGHT: (C)2009,JPO&INPIT
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