Packaged integrated circuit device
First Claim
1. A packaged integrated circuit device comprising:
- an integrated circuit chip having a plurality of pads in the form of grooves vertically penetrating opposite sides of the chip,;
a plurality of inner lead structures, each inner lead structure comprising an inner lead having a plate shaped vertically extending portion inserted into the grooves and a stopper formed on and penetrating the inner lead and disposed horizontally upon an upper surface of the chip to prevent the inner lead from breaking away from the chip; and
a mold encapsulating the chip and the inner lead structures.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed herein is a packaged integrated circuit device having symmetrical structure to minimize package warpage and to prevent the formation of voids. The packaged integrated circuit device includes an integrated circuit chip having pads in the form of the respective grooves on its both sides opposite to each other. Each pad groove in the integrated circuit chip is formed such that it penetrates vertically the integrated circuit chip. The surface of each pad groove is coated with solder. A plurality of inner lead structures each including an inner lead and a stopper are inserted into the pad grooves and are electrically connected with the pads. In each of the inner lead structures, solder is coated on a surface of portion being in contact with the pads. Each inner lead has a plate shape and is inserted vertically into the respective pad grooves. Each stopper has a plate shape and is formed in the respective inner leads such that it is laid horizontally upon the upper surface of the integrated circuit chip to prevent the inner lead from breaking away from the pads. In one embodiment, on a top end of the respective inner leads is placed the top portion of each of the outer leads to be electrically connected to the respective inner leads, and each of the stoppers is formed at middle height portion of the respective inner leads.
11 Citations
19 Claims
-
1. A packaged integrated circuit device comprising:
-
an integrated circuit chip having a plurality of pads in the form of grooves vertically penetrating opposite sides of the chip,; a plurality of inner lead structures, each inner lead structure comprising an inner lead having a plate shaped vertically extending portion inserted into the grooves and a stopper formed on and penetrating the inner lead and disposed horizontally upon an upper surface of the chip to prevent the inner lead from breaking away from the chip; and a mold encapsulating the chip and the inner lead structures. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A packaged integrated circuit device comprising:
-
an integrated circuit chip having at least one groove formed on at least one side of the chip, the groove penetrating vertically into the chip; a thermally conductive plate inserted vertically into the groove of the chip, and a stopper formed substantially normal to and connected with the plate and disposed horizontally upon an upper surface of the chip to prevent the plate from breaking away from the chip; and a mold encapsulating at least the chip.
-
-
11. A packaged integrated circuit device comprising:
-
an integrated circuit chip having a plurality of pads in the form of grooves penetrating opposite sides of the chip; a plurality of inner lead structures, each inner lead structure comprising an inner lead having a plate shaped extending portion inserted into the grooves and a stopper formed on and penetrating the inner lead and disposed upon an upper surface of the chip to prevent the inner lead from breaking away from the chip; and a mold encapsulating the chip and the inner lead structures. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
-
Specification