Patent ID: 8618643
Filing Date: 2013-12-31
Classification: H01L

Abstract:
1. A lead frame, comprising: an element-mounting region; an outer lead portion having a plurality of outer leads; an inner lead portion having a plurality of inner leads, at least part of the inner leads being routed in the element-mounting region; and an element supporting portion provided in a region other than a region where the inner leads are present in the element-mounting region, wherein the element supporting portion has a plurality of first hanging leads provided at a first long edge side of a rectangular region of the lead frame sealed with a resin, and a second hanging lead provided at a second long edge side of the sealed rectangular region, wherein the first hanging leads extend from the element supporting portion to the first long edge side of the sealed rectangular region, wherein the second hanging lead extends from the element supporting portion to the second long edge side of the sealed rectangular region, wherein the outer leads are arranged at first and second short edge sides of the sealed rectangular region, wherein one end of the inner leads is arranged at the second long edge side of the sealed rectangular region, wherein a part of the inner leads has: a first portion extended to the one end of the inner leads, a second portion extended to the outer leads arranged at the first short edge side of the sealed rectangular region, and a third portion routed in the element-mounting region so as to extend in a direction which intersects the first and second portions, wherein another part of the inner leads has: a fourth portion extended to the one end of the inner leads, a fifth portion extended to the outer leads arranged at the second short edge side of the sealed rectangular region, and a sixth portion routed in the element-mounting region so as to extend in a direction which intersects the fourth and fifth portions, and wherein the element supporting portion is provided in a region between the third portion and the sixth portion.