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US 6,608,375 B2Granted
Semiconductor apparatus with decoupling capacitor
AssigneeOki Electric Industry Co., Ltd.
InventorsMakoto Terui, Noritaka Anzai
Life of this patent
Estimating the term…
Abstract
A lead frame type of semiconductor apparatus includes a die pad on which a semiconductor chip is mounted; ground terminals which are to be grounded; power supply terminals which are connected to a power supply; inner leads connected to the ground terminals and power supply terminals, in which a pair of adjacent inner leads for power supply terminal and ground terminal are extended inwardly; a chip capacitor mounting pad which is provided at inner ends of the extended inner leads; and a chip capacitor which is mounted on the chip capacitor mounting pad so that a decoupling capacitor is provided.
Claims15
A semiconductor apparatus, comprising:
- a substrate;
- a die pad which comprises a power supply bonding area which is formed by extending outwardly all the sides of the die pad:
- ground terminals which are to be grounded;
- power supply terminals which are supplied with electrical power;
- first conductive patterns which are farmed on the substrate and are connected to the ground terminals;
- second conductive patterns which are formed on the substrate and are connected to the power supply terminals and the power supply bonding area;
- a high dielectric constant layer formed on the die pad:
- and
- a metal layer formed on the high dielectric constant layer and having a chip mounting area on which a semiconductor chip is mountable and a ground bonding area surrounding the chip mounting area, the ground bonding area being connected to the first conductive patterns, wherein the metal layer is provided with a ridge completely surrounding the chip mounting area so as to define the chip mounting area and ground bonding area.
6 more elements
A bail grid array semiconductor package comprising:
- an substrate:
- a die pad which Is formed on an upper surface of the substrate, and which comprises a power supply bonding area which is formed by extending outwardly all the sides of the die pad;
- ground terminals which are to be grounded;
- power supply terminals which are supplied with electrical power;
- first conductive patterns which are formed on the upper surface of the substrate and are connected to the ground terminals;
- second conductive patterns which are formed on the upper surface of the substrate and are connected to the power supply terminals and the power supply bonding area;
- a high dielectric constant layer formed on the die pad;
- a metal layer formed on the high dielectric constant layer and having a chip mounting area on which a semiconductor chip is mountable and a ground bonding area surrounding the chip mounting area, the ground bonding area being connected to the first conductive patterns, the metal layer being provided with a ridge that completely surrounds the chip mounting area so as to define the chip mounting area and ground bonding area;
- ball mounting pads disposed on a lower surface of the substrate;
- interconnecting patterns which electrically couple the first and second conductive patterns to respective ones of the ball mounting pads:
- and
- solder balls mounted on the bail mounting pads.
9 more elements
A semiconductor apparatus, comprising:
- a substrate;
- a die pad formed over the substrate, said die pad having a power supply bonding area which is formed by extending outwardly all the sides of the die pad;
- ground terminals which are to be grounded;
- power supply terminals which are supplied with electrical power;
- first conductive patterns which are formed on the substrate, in a same plane as said die pad, and are connected to the ground terminals;
- second conductive patterns which are formed on the substrate, in the same plane as said die pad and said first conducive patterns, and connecting the power supply terminals to the power supply bonding area, said first conductive patterns and said second conductive patterns being formed from a common layer;
- a high dielectric constant layer formed directly on the die pad without covering the power supply bonding area;
- a metal layer formed directly on the high dielectric constant layer and having a chip mounting area, and a ground bonding area surrounding the chip mounting area;
- a semiconductor chip mounted on the chip mounting area of said metal layer;
- a first bonding wire electrically coupling the semiconductor chip to the ground bonding area, and the ground bonding area to the first conducive patterns;
- and
- a second bonding wire electrically coupling the semiconductor chip to the power supply bonding area.
9 more elements
Dependencies are inferred from the claim text.