| Patent application number | Description | Published |
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| 20080224283 | Leadframe-based semiconductor package and fabrication method thereof - A leadframe-based semiconductor package and a fabrication method thereof are provided. The leadframe-based semiconductor package includes a chip implanted with a plurality of first and second conductive bumps thereon, and a leadframe having a plurality of leads. The first conductive bumps are bonded to the leads to electrically connect the chip to the leadframe. The chip, the first and second conductive bumps, and the leadframe are encapsulated by an encapsulant, with bottom ends of the second conductive bumps and bottom surfaces of the leads being exposed from the encapsulant. This allows the second conductive bumps to provide additional input/output electrical connections for the chip besides the leads. | 09-18-2008 |
| 20080286938 | Semiconductor device and fabrication methods thereof - A method for packaging a semiconductor device disclosed. A substrate comprising a plurality of dies, separated by scribe line areas respectively is provided, wherein at least one layer is overlying the substrate. A portion of the layer within the scribe lines area is removed by photolithography and etching to form openings. The substrate is sawed along the scribe line areas, passing the openings. In alternative embodiment, a first substrate comprising a plurality of first dies separated by first scribe line areas respectively is provided, wherein at least one first structural layer is overlying the first substrate. The first structural layer is patterned to form first openings within the first scribe line areas. A second substrate comprising a plurality of second dies separated by second scribe line areas respectively is provided, wherein at least one second structural layer is overlying the substrate. The second structural layer is patterned to form second openings within the second scribe line areas. The first substrate and the second substrate are bonded to form a stack structure. The stack structure is cut along the first and second scribe line areas, passing the first and second openings. | 11-20-2008 |
| 20090020864 | Wafer Level package Structure and Fabrication Methods - A method of forming a package structure with reduced damage to semiconductor dies is provided. The method includes providing a die comprising bond pads on a top surface of the die; forming bumps on the bond pads of the die, wherein the bumps have top surfaces higher than the top surface of the die; mounting the die on a chip carrier, wherein the bumps are attached to the chip carrier; molding the die onto the chip carrier with a molding compound; de-mounting the chip carrier from the die; and forming redistribution traces over, and electrically connected to, the bumps of the die. | 01-22-2009 |
| 20090096115 | Semiconductor package and method for fabricating the same - A semiconductor package and a method for fabricating the same are disclosed. The present invention discloses mounting and electrically connecting a semiconductor chip to a chip carrier, forming an interfacial layer or a heat-dissipating member having the interfacial layer on the semiconductor chip, and forming an encapsulant for covering the semiconductor chip, the interfacial layer or the heat dissipating member. The method further includes cutting the encapsulant along edges of the interfacial layer, and removing the redundant encapsulant on the interfacial layer so as to expose the semiconductor chip or the heat-dissipating member without forming burr or heavily wearing cutting tools. | 04-16-2009 |
| 20090146285 | FABRICATION METHOD OF SEMICONDUCTOR PACKAGE - The present invention provides a semiconductor package and a fabrication method thereof. The method includes the steps of: providing a chip carrier module having a plurality of chip carriers, disposing a plurality of electrical connecting points on the chip carriers, performing chip mounting and molding on the chip carrier module to form an encapsulant encapsulating the semiconductor chip, exposing the electrical connecting points from the encapsulant; forming a patterned circuit layer on the encapsulant, electrically connecting the patterned circuit layer to the electrical connecting points, cutting and separating the chip carriers to form a plurality of semiconductor packages each having a circuit layer formed on the encapsulant such that the circuit layer provides extra electrical connecting points and thereby enhances electrical performance of electrical products. During a package stacking process, no package is limited by the design of another package below. | 06-11-2009 |
| 20100052146 | SEMICONDUCTOR PACKAGE AND FABRICATION METHOD THEREOF - A semiconductor package and a fabrication method are disclosed. The fabrication method includes applying a sacrificial layer on one surface of a metal carrier, applying an insulation layer on the sacrificial layer, and forming through holes in the sacrificial layer and the insulation layer to expose the metal carrier; forming a conductive metallic layer in each through hole; forming a patterned circuit layer on the insulation layer to be electrically connected to the conductive metallic layer; mounting at least a chip on the insulation layer and electrically connecting the chip to the patterned circuit layer; forming an encapsulant to encapsulate the chip and the patterned circuit layer; and removing the metal carrier and the sacrificial layer to expose the insulation layer and conductive metallic layer to allow the conductive metallic layer to protrude from the insulation layer. In the present invention, the distance between the semiconductor package and the external device is increased, and thermal stress caused by difference between the thermal expansion coefficients is reduced, so as to enhance the reliability of the product. | 03-04-2010 |
| 20100151631 | FABRICATION METHOD OF SEMICONDUCTOR PACKAGE HAVING HEAT DISSIPATION DEVICE - A semiconductor package with a heat dissipating device and a fabrication method of the semiconductor package are provided. A chip is mounted on a substrate. The heat dissipating device is mounted on the chip, and includes an accommodating room, and a first opening and a second opening that communicate with the accommodating room. An encapsulant is formed between the heat dissipating device and the substrate to encapsulate the chip. A cutting process is performed to remove a non-electrical part of structure and expose the first and second openings from the encapsulant. A cooling fluid is received in the accommodating room to absorb and dissipate heat produced by the chip. The heat dissipating device covers the encapsulant and the chip to provide a maximum heat transfer area for the semiconductor package. | 06-17-2010 |
| 20100233855 | METHOD FOR FABRICATING CHIP SCALE PACKAGE STRUCTURE WITH METAL PADS EXPOSED FROM AN ENCAPSULANT - A chip scale package structure and a method for fabricating the same are disclosed. The method includes forming metal pads on a predetermined part of a carrier; mounting chips on the carrier, each of the chips having a plurality of conductive bumps soldered to the metal pads; forming an encapsulant on the carrier to encapsulate the chips and the conductive bumps; removing the carrier to expose the metal pads and even the metal pads with a surface of the encapsulant; forming on the encapsulant a plurality of first conductive traces electrically connected to the metal pads; applying a solder mask on the first conductive traces, and forming a plurality of openings on the solder mask to expose a predetermined part of the first conductive traces; forming a plurality of conductive elements on the predetermined part; and cutting the encapsulant to form a plurality of chip scale package structures. | 09-16-2010 |
| 20100267202 | METHOD OF FABRICATING STACKED SEMICONDUCTOR STRUCTURE - A stacked semiconductor structure and fabrication method thereof are provided. The method includes mounting and connecting electrically a semiconductor chip to a first substrate, mounting on the first substrate a plurality of supporting members corresponding in position to a periphery of the semiconductor chip, mounting a second substrate having a first surface partially covered with a tape and a second surface opposite to the first surface on the supporting members via the second surface, connecting electrically the first and second substrates by bonding wires, forming on the first substrate an encapsulant for encapsulating the semiconductor chip, the supporting members, the second substrate, the bonding wires, and the tape with an exposed top surface, and removing the tape to expose the first surface of the second substrate and allow an electronic component to be mounted thereon. The present invention prevents reflow-induced contamination, spares a special mold, and eliminates flash. | 10-21-2010 |
| 20100278211 | METHOD AND SYSTEM OF TESTING A SEMICONDUCTOR DEVICE - The present disclosure provides a semiconductor device, the device includes a substrate, a front-end structure formed in the substrate, a back-end structure formed on the front-end structure, a heater embedded in the back-end structure and operable to generate heat, and a sensor embedded in the back-end structure and operable to sense a temperature of the semiconductor device. | 11-04-2010 |
| 20110057313 | Enhanced Copper Posts for Wafer Level Chip Scale Packaging - An enhanced wafer level chip scale packaging (WLCSP) copper electrode post is described having one or more pins that protrude from the top of the electrode post. When the solder ball is soldered onto the post, the pins are encapsulated within the solder material. The pins not only add shear strength to the soldered joint between the solder ball and the electrode post but also create a more reliable electrical connection due to the increased surface area between the electrode post/pin combination and the solder ball. Moreover, creating an irregularly shaped solder joint retards the propagation of cracks that may form in the intermetal compounds (IMC) layer formed at the solder joint. | 03-10-2011 |
| 20110070697 | METHOD FOR FABRICATING STACK STRUCTURE OF SEMICONDUCTOR PACKAGES - A stack structure of semiconductor packages and a method for fabricating the stack structure are provided. A plurality of electrical connection pads and dummy pads are formed on a surface of a substrate of an upper semiconductor package and at positions corresponding to those around an encapsulant of a lower semiconductor package. Solder balls are implanted to the electrical connection pads and the dummy pads. The upper semiconductor package is mounted on the lower semiconductor package. The upper semiconductor package is electrically connected to the lower semiconductor package by the solder balls implanted to the electrical connection pads, and the encapsulant of the lower semiconductor package is surrounded and confined by the solder balls implanted to the dummy pads. Thereby, the upper semiconductor package is properly and securely positioned on the lower semiconductor package, without the occurrence of misalignment between the upper and lower semiconductor packages. | 03-24-2011 |
