摘要:
A chip package structure includes a substrate, a chip, a first B-stage adhesive, bonding wires, a heat sink and a molding compound. The substrate comprises a first surface, a second surface and a through hole. The chip is arranged on the first surface of the substrate and electrically connected thereto while the through hole of the substrate exposes a portion of the chip. The first B-stage adhesive is arranged between the chip and the first surface of the substrate, and the chip is attached to the substrate through the first B-stage adhesive. The bonding wires are connected between the chip exposed by the through hole and second surface of the substrate. The heat sink is arranged on the first surface of the substrate, covering the chip. The molding compound is arranged on the second surface of the substrate, covering a portion of the substrate and bonding wires.
摘要:
A chip package with asymmetric molding including a lead frame, a chip, an adhesive layer, bonding wires and an encapsulant, is provided. The lead frame includes a frame body and at least a turbulent plate. The frame body has inner lead portions and outer lead portions. The turbulent plate is bended upwards to form a bulge portion and the first end of the turbulent plate is connected to the frame body. The chip is fixed under the inner lead portions and the turbulent plate is located at one side of the chip. The adhesive layer is disposed between the chip and the inner lead portions, and the bonding wires are electrically connected between the chip and the corresponding inner lead portions, respectively. The encapsulant encapsulates at least the chip, the bonding wires, the inner lead portions, the adhesive layer and the turbulent plate.
摘要:
The invention provides a flexible substrate for package of a semiconductor die. The flexible substrate includes a flexible insulating film, a plurality of first leads substantially formed on the flexible insulating film, and at least one loop-shaped second lead substantially formed on the flexible insulating film. The at least one second lead is partially disposed at a corner of a device hole of the flexible film, and is designed as being capable of preventing from fracture induced during the package of the semiconductor die. Preferably, the portion of each of the at least one second lead, to be overlapped over the semiconductor die, exhibits an L-shape, a U-shape or a Y-shape.
摘要:
This invention relates to a packaging structure and method for manufacturing the packaging structure. The packaging structure comprises a substrate film, a plurality of chips, a compound resin layer and a support layer. The substrate film is formed with circuits having a plurality of terminals exposed from a solder mask. The chips, each of which has a plurality of pads, under bump metals (UBMs) formed on the pads, and composite bumps disposed onto the UBMs, are bonded onto the substrate film to form the first tape. The second tape comprises the support layer and the compound resin layer formed on the support layer. The first tape and the second tape are both in reel-form and are expanded towards a pair of rollers to be heated and pressurized for encapsulating the chips.
摘要:
A packaging method is disclosed that comprises attaching a plurality of dice, each having a plurality of bonding pads disposed on an active surface, to an adhesive layer on a substrate. A polymer material is formed over at least a portion of both the substrate and the plurality of dice and a molding apparatus is used on the substrate to force the polymer material to substantially fill around the plurality of dice. The molding apparatus is removed to expose a surface of the polymer material and a plurality of cutting streets is formed on an exposed surface of the polymer material. The substrate is removed to expose the active surface of the plurality of dice.
摘要:
A method for manufacturing a semiconductor package structure is disclosed. In one embodiment, the method includes the steps of forming a plurality of conductive pastes on a matrix lead frame with a groove located within a predetermined distance from each conductive paste on the lead; partially curing the conductive pastes so that the conductive pastes are in a semi-cured state; preparing at least one chip with a plurality of bumps thereon; electrically connecting the chip and the lead by implanting the bumps into the semi-cured conductive pastes, wherein the groove on the lead of the matrix lead frame is configured to receive overflowed semi-cured conductive pastes; curing the semi-cured conductive pastes to completely secure the bumped chip; and forming an encapsulating material covering the lead frame and the chip. The method can also be applied in pre-molded lead frame package.
摘要:
The present invention discloses an automatic method and system for generating and filtering out the innovation proposals. Particularly, it is about a system, which generates all the possible element code sets, compares them to the code sets of existing objects or documents, and then filters out the novel element code sets. The system comprises a standard element depository, a permutation and combination module, a testing object processing module, a matching module, a sifting module, and an output module.
摘要:
A multi-chips stacked package method which includes providing a lead frame includes a top surface and a reverse surface formed by a plurality of inner leads and a plurality of outer leads; fixing a first chip on the reverse surface of the lead frame and the active surface of the first chip includes a plurality of first pads closed to the central region; forming a plurality of first metal wires, and the first pads are electrically connected to the first inner leads and the second inner leads by the first metal wires; forming a plurality of metal spacers on the thermal fin of the lead frame; fixing a second chip to electrically connect to the top surface of the first inner leads and the second inner leads; forming a plurality of second metal wires, and the second pads are electrically connected to the top surface of the first inner leads and the second inner leads; and flowing a molding to form an encapsulated material to cover the first chip, the first metal wires, the second chip, the second metal wires, the first inner leads and the second inner leads and the outer leads being exposed.
摘要:
A manufacturing process for a chip package structure is provided. First, a patterned conductive layer having a plurality of first openings and a patterned solder resist layer on the patterned conductive layer are provided. A plurality of chips are bonded onto the patterned conductive layer such that the chips and the patterned solder resist layer are disposed at two opposite surfaces of the patterned conductive layer. The chips are electrically connected to the patterned conductive layer by a plurality of bonding wires passing through the first openings of the patterned conductive layer. At least one molding compound is formed to encapsulate the patterned conductive layer, the patterned solder resist layer, the chips and the bonding wires. Then, the molding compound, the patterned conductive layer and the patterned solder resist layer are separated.
摘要:
A manufacturing process for a chip package structure is provided. First, a patterned conductive layer and a patterned solder resist layer on the patterned conductive layer are provided. A plurality of chips are bonded onto the patterned conductive layer such that the chips and the patterned solder resist layer are disposed at two opposite surfaces of the patterned conductive layer. The chips are electrically connected to the patterned conductive layer by a plurality of bonding wires, wherein the chips and the bonding wires are at the same side of the patterned conductive layer. A molding compound is formed to encapsulate the patterned conductive layer, the chips and the bonding wires. Then, the molding compound, the patterned conductive layer and the patterned solder resist layer are separated.