Lead frame and process of producing such a frame

Details Lead frame and process of producing such a frame Lead frame and process of producing such a frame

1995-08-11

1997-05-27

Picardat, Kevin

Metal working

Method of mechanical manufacture

Electrical device making

216 14, 438123, H01L 2160

Patent

active

056332050

ABSTRACT:
A lead frame includes a plurality of inner leads, each of the inner leads having at least one surface defining a bonding area and two opposed side edges. The tip ends of the plurality of inner leads are connected by a connecting part so that the inner leads are arranged side by side with respect to each other. The connecting part is integrally and simultaneously formed with the inner leads by an etching process. Each of the inner leads has recesses on the two side edges at a position, between the bonding area and the connecting part, on a cutting line along which the plurality of inner leads are to be cut and separated into individual inner leads.

REFERENCES:
patent: 4701363 (1987-10-01), Barber
patent: 4711700 (1987-12-01), Cusack
patent: 4733292 (1988-03-01), Jarvis
patent: 5221428 (1993-06-01), Ohsawa et al.
patent: 5230144 (1993-07-01), Ootsuki
patent: 5253415 (1993-10-01), Dennis

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