Lead Frame and Method of Producing Lead Frame
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United States of America Patent
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Issued Date -
Nov 10, 2011
app pub date -
Sep 12, 2008
filing date -
Sep 13, 2007
priority date (Note) -
Abandoned
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Abstract
Provided is a lead frame, an electronic device provided with a lead frame, a method of producing a lead frame, and a method of producing an electronic device provided with a lead frame that has been produced by the method of producing a lead frame, in which a lead frame is not corroded, a mechanical strength of the lead frame is not lowered, it is not necessary to carry out the conventional plating processing steps composed of two stages, the processes are simple, a cost is lower, and a large amount of waste liquid such as plating processing liquid is not generated, thereby preventing an environment from being affected. The lead frame includes an outer lead part and an inner lead part, and plating is carried out on at least a part of one or both of the outer lead part or the inner lead part.
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