H - Electricity – 01 – L
Patent
H - Electricity
01
L
H01L 23/495 (2006.01) H01L 23/50 (2006.01) H05K 1/18 (2006.01)
Patent
CA 2051924
ABSTRACT OF THE DISCLOSURE In a leadframe for supporting semiconductor devices and including a plurality of outer lead sections, a recess or recesses are provided on each of the outer lead sections at a central portion or both sides of each outer lead section in a region including a cutting line. The recess or recesses reduce the cross-sectional area of the lead section, thus enabling a new cut surface of the lead section to be well covered by solder and enabling ready cutting of the lead section.
Kato Jun
Kato Kazunori
Tomita Koji
Dai Nippon Printing Co. Ltd.
Macrae & Co.
Yamaha Corporation
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