摘要:
A semiconductor device includes an electrode pad provided on a semiconductor chip, the electrode pad includes aluminum (Al) of between 50% wt. and 99.9% wt. and further includes copper (Cu), a coupling ball that primarily includes Cu, the coupling ball being coupled to the electrode pad so that a CuAl2 layer, a CuAl layer, a layer including one of Cu9Al4 and Cu3Al2, and the coupling ball are vertically stacked in this order on the electrode pad, and an encapsulating resin that includes a halogen of less than or equal to 1000 ppm, the encapsulating resin covering at least the electrode pad and a junction between the electrode pad and the coupling ball.
摘要:
A lead frame of the present invention includes a pair of base portions having a substantially flat bottom each. An island portion and electrode portions are partly connected to the tops of the base portions. The lead frame needs a minimum of production cost and promotes dense mounting of semiconductor devices to a circuit board.
摘要:
A semiconductor device and a manufacturing method for preventing mechanical and thermal damage to the semiconductor chip. A laser beam welds a first connection pad formed on a first external lead to a first electrode formed on the surface of the semiconductor chip. A first connection hole is formed in the first connection pad, and the first connection hole overlaps the first connection electrode. A laser beam irradiates an area including the first connection hole, and the first connection pad in a portion around the first connection hole is melted to form a melting section, that is welded to the first connection electrode to easily form a semiconductor device with more excellent electrical characteristics.
摘要:
In a semiconductor package including at least one plate-like mount, a semiconductor chip has at least one electrode formed on a top surface thereof, and is mounted on the plate-like mount such that a bottom surface of the semiconductor chip is in contact with the plate-like mount. The semiconductor package also includes at least one lead element having an outer portion arranged to be flush with the plate-like mount, and an inner portion deformed and shaped to overhang the semiconductor chip such that an inner end of the lead element is spaced apart from the top surface of the semiconductor chip. The semiconductor package further includes a bonding-wire element bonded at ends thereof to the electrode of the semiconductor chip and the inner end of the lead element, an enveloper sealing and encapsulating the plate-like mount, the semiconductor chip, the inner portion of the lead element, and the bonding-wire element.
摘要:
An improved reliability in a region of a junction between a bonding wire and an electrode pad at higher temperature is achieved. A semiconductor device 100 includes a semiconductor chip 102, AlCu pads 107, which are provided in the semiconductor chip 102 and which contain Al as a major constituent and additionally contain copper (Cu), and CuP wires 111, which function as coupling members for connecting inner leads 117 provided outside of the semiconductor chip 102 with the semiconductor chip 102, and primarily contain Cu. The AlCu pads 107 and the CuP wires 111 are encapsulated with an encapsulating resin 115 that contains substantially no halogen.
摘要:
A leadless type semiconductor package includes a plate-like mount, and at least one semiconductor chip mounted on the plate-like mount such that a bottom surface of the semiconductor chip is secured to the plate-like mount, and the semiconductor chip has at least one electrode pad formed on a top surface thereof. The package further includes at least one flat electrode electrically connected to the electrode pad, and a molded resin enveloper for completely sealing and encapsulating the semiconductor chip. The molded resin enveloper further partially seals and encapsulates the flat electrode such that a part of the flat electrode is exposed as an outer electrode pad on a top surface of the molded resin enveloper.
摘要:
A technology providing an improvement in the durability in the condition of changing the temperature, while ensuring characteristics such as the applicability to applications utilizing larger electric current, lower resistance and the like can be achieved. A semiconductor device 100 includes a ceramic multiple-layered interconnect substrate 120, a silicon chip 110 that is flip-bonded to a chip-carrying region of the ceramic multiple-layered interconnect substrate 120, and an external connecting bumps 161 and an external connecting bumps 163, which are provided in the side that the silicon chip 110 of the ceramic multiple-layered interconnect substrate 120 is carried. The silicon chip 110 includes a front surface electrode and a back surface electrode. The ceramic multiple-layered interconnect substrate 120 includes an interconnect layer composed of a conductive material, and the interconnect layer composes a multiple-layered interconnect layer provided on a front surface and in an interior of the ceramic multiple-layered interconnect substrate 120. The front surface electrode of the silicon chip is electrically connected to the external connecting bump 161 and the external connecting bump 163 through the multiple-layered interconnects in the multiple-layered interconnect layer.
摘要:
A semiconductor device includes an electrode pad provided on a semiconductor chip, in which the electrode pad includes aluminum (Al) as a major constituent and further including copper (Cu), a coupling ball primarily including Cu, the coupling ball is coupled to the electrode pad such that a plurality of layers of Cu and Al alloys are formed at a junction between the electrode pad and the coupling ball, and an encapsulating resin including a halogen of less than or equal to 1000 ppm, the encapsulating resin covering at least the electrode pad and the junction between the electrode pad and the coupling ball. A dimensional area of the plurality of layers of Cu and Al alloys is equal to or larger than 50% of a dimensional area of the junction between the electrode pad and the coupling ball. The plurality of layers of Cu and Al alloys includes a CuAl2 layer, a CuAl layer formed on the CuAl2 layer, and a layer including one of Cu9Al4 and Cu3Al2 formed on the CuAl layer.
摘要:
A semiconductor device includes an electrode pad provided on a semiconductor chip, in which the electrode pad includes aluminum (Al) as a major constituent and further including copper (Cu), a coupling ball primarily including Cu, the coupling ball is coupled to the electrode pad such that a plurality of layers of Cu and Al alloys are formed at a junction between the electrode pad and the coupling ball, and an encapsulating resin including a halogen of less than or equal to 1000 ppm, the encapsulating resin covering at least the electrode pad and the junction between the electrode pad and the coupling ball. A dimensional area of the plurality of layers of Cu and Al alloys is equal to or larger than 50% of a dimensional area of the junction between the electrode pad and the coupling ball. The plurality of layers of Cu and Al alloys includes a CuAl2 layer, a CuAl layer formed on the CuAl2 layer, and a layer including one of Cu9Al4 and Cu3Al2 formed on the CuAl layer.
摘要:
A package for an electronic component including a chip mounting area mounting a semiconductor chip in a hollow part of a metal plate and a plurality of connection electrodes to be connected to a substrate. The plurality of connection electrodes are formed in opposite sides of the rectangular metal plate and arranged asymmetrically with respect to a perpendicular bisector of the opposite sides.