Patent ID: 9425139
Filing Date: 2016-08-23
CPC Classification: H01L

Claim Text:
1. A Quad Flat No-Lead package comprising: an outer row of outer peripheral leads disposed on an outer periphery of a bottom surface of the Quad Flat No-Lead package; and an inner row of inner peripheral leads disposed on an inner periphery of the bottom surface of the Quad Flat No-Lead package, wherein each of the inner peripheral leads has a substantially rectangular shape having four corners, wherein two of the four corners that are nearest the outer row of outer peripheral leads have a rounded shape corresponding to a predetermined radius of curvature, wherein each of the inner peripheral leads has a width in a direction parallel to a nearest edge of the bottom surface of the Quad Flat No-Lead package, and wherein the two rounded corners of the substantially rectangular shape are rounded with the predetermined radius of curvature equal to about half the width of each of the inner peripheral leads.