Abstract: The invention discloses a flip chip package using an interposer to electrically and mechanically connect the chip and the carrier. The interposer comprises: an insulation layer, two adhesive layers and a plurality of conductive elements. The insulation layer is also the mechanical support of interposer and has one adhesive layer on the first and the second surface for the protection of respective connecting joints on the chip and on the carrier. The conductive elements corresponding to the die pads pass through the insulation layer and adhesive layers, which electrically and mechanically connect to the die pads and respective bump pads. The fabrication thereof comprises: providing the foregoing chip, the foregoing interposer and the foregoing carrier, stacking and aligning the chip, the interposer and the carrier, and bonding the chip, the interposer and the carrier.

Abstract: This invention relates to an integrated circuit package and a method for the same, especially relates to the integrated circuit package without a solder mask and the method for the same. A solder wettable metal is used as the material of the first solder pad and a non-wettable insulating layer is formed on the top surface and sidewalls of the metal layer, which is not solder pads, in the integrated circuit packages without a solder mask of the present invention to avoid short circuit defects and to increase a circuit density and reliability of the integrated circuit packages.

Abstract: An electrical package and manufacturing method thereof is provided. A high stiffness, high electrical conductivity, low coefficient of thermal expansion and high thermal conductivity support substrate is used as an initial layer for building the package. A multilayer interconnection structure is formed over the support substrate. Thereafter, a plurality of openings is formed over the support substrate. The openings expose a plurality of bonding pads on a bottom surface of the multi-layer interconnection structure. An electronic device is set up over the multi-layer interconnection structure. Contacts are formed inside the opening over the bonding pads.

Abstract: An assembly structure for an embedded passive device is provided, including at least one passive device embedded in a through hole of a core layer in a circuit substrate. The embedded passive device comprises plural electrodes, which electrically connect through the top side and the bottom side of the core layer. Because the vertically embedded passive device does not occupy the layout area of internal circuit of the circuit substrate, the layout area of the circuit substrate can be increased, the signal transmission route can be reduced, and the performance of signal transmission can be enhanced.

Abstract: A packaging substrate without plating bar and a method of forming the same is provided. A substrate is firstly provided with circuit patterns formed thereon. Then, solder masks are formed to define connecting points on the circuit patterns. Afterward, the openings of the solder mask on a bottom surface of the substrate are filled with solder material. Thereafter, a seed layer is formed on the bottom surface of the solder mask and the solder material, and then a passivation layer is formed on a surface of the seed layer. Finally, a plating process is carried out by using the seed layer to input cathode electric level to form metal pads on the defined connecting points on the upper surface of the substrate.

Abstract: A cavity-down stacked multi-chip package with a plurality of packages stacked together is provided. The uppermost package has a circuit board with an opening, a heat spreader, and a chip. The heat spreader is positioned on the circuit board and covers the opening. The chip is positioned in the opening and adhered to a lower surface of the heat spreader. In addition, the chip is electrically connected to a lower surface of the circuit board through at least a conductive wire.

Abstract: A chip carrier comprising a laminated layer and an oxidation protection layer is provided. The oxidation protection layer is a non-electrolytic metallic coating or an organic oxidation protection film on the surface of bonding finger pads or other contacts formed by deploying a simple, fast film-coating technique. Therefore, there is no need to plate a Ni/Au layer on the bonding pads or contacts using expensive electroplating equipment for preventing oxidation and there is no need to fabricate plating lines on the chip carrier or reserve space for laying out the plating lines. Thus, the cost for fabricating the chip carrier is reduced, the effective area of the chip carrier is increased and the electrical performance of the chip carrier is improved.

Abstract: A multi-conducting through hole structure is provided. The multi-conducting through hole structure has a substrate, at least two signal lines and at least a reference line. The substrate has a through hole passing therethrough. The signal lines are disposed on a portion of an inner surface of the through hole and extended through the through hole. The reference line is disposed on a portion of the inner surface of the through hole and extended through the through hole, wherein the reference line is disposed between the lines for signal. Because the signal lines are separated by the reference line, the electromagnetic coupling generated by signals can be reduced to lower the cross-talk interference between signals passing through the through hole, so as to promote the signal-transmission quality.

Abstract: A circuit board and a fabricating process thereof is provided. The present invention employs a core layer as a base layer, wherein the core layer is a core conducting layer, or is a core dielectric layer having two conducting layers. By using this core layer and two patterned conductive layers, a three-conducting-layer circuit board or a four-conducting-layer circuit board is fabricated. Furthermore, both circuit boards can be used as circuit board units to fabricate circuit boards having more than four conducting layers. The present invention adopts lamination processes and equipment instead of using complicated build-up process. Therefore, the present invention effectively reduces the production costs and simplifies the process cycle for fabricating circuit boards, and is suitable for mass production.

Abstract: A module board has embedded chips and components. A substrate has at least one large cavity and at least one small cavity, in which the large cavity passes through the substrate and a passive component is set in the small cavity. A heat-dissipation sheet is set at the bottom of the substrate. A first adhesion layer bonds the bottom of the substrate to the heat-dissipation sheet. At least one IC chip is fixed in the large cavity of the substrate by a second adhesion layer. A dielectric filling layer covers the entire surface of the module board and fills all gaps, in which the dielectric filling layer has a plurality of micro vias to expose partial areas of the IC chip, the passive component and the substrate. At least one wiring pattern layer is formed on the dielectric filling layer and provide electrical connection among the IC chip, the passive component, and the substrate.

Abstract: A packaging substrate without plating bar and a method of forming the same is provided. A substrate is firstly provided with circuit patterns formed thereon. Then, solder masks are formed to define connecting points on the circuit patterns. Afterward, the openings of the solder mask on a bottom surface of the substrate are filled with solder material. Thereafter, a seed layer is formed on the bottom surface of the solder mask and the solder material, and then a passivation layer is formed on a surface of the seed layer. Finally, a plating process is carried out by using the seed layer to input cathode electric level to form metal pads on the defined connecting points on the upper surface of the substrate.

Abstract: A packaging substrate used in a fine-pitch packaging comprises a circuit board, a plurality of packaging pads, an isolation pattern, and a conductive plating layer. The bonding pads are formed on an upper surface of the circuit board for electrically connecting to respective die pads. The isolation pattern filling the space between the neighboring bonding pads can cover all the exposed surfaces of the circuit board. A portion of the isolation pattern adjacent to the bonding pads has a same or a smaller thickness with respect to the bonding pads, and an upper surface and a portion of the sidewall of the packaging pads are thus exposed. The conductive plating layer covering the upper surface and the exposed sidewall of the packaging pads can extend outward from the sidewall to result an increased connectable area.

Abstract: A stacked multi-chip package comprising a substrate, a first chip, a lead frame, and a second chip is provided. The first chip is placed on and electrically connected with the substrate. The lead frame is placed on the substrate and forming a space therebeneath to accommodate the first chip. The second chip is placed to the lead frame and electrically connected with the substrate through the lead frame.

Abstract: A multi-chip package comprising a carrier, at least a package module, an insulation layer and a patterned metallic layer is provided. The package module is mounted onto one of the surfaces of the carrier. The package module has a plurality of stacked chips electrically connected to each other using a flip chip bonding technique. The insulation layer is formed over the surface of the carrier and encloses the package module. The insulation layer has a plurality of via holes linked to the surface of the carrier and the package module. Depth of the via holes in a direction perpendicular to the surface of the carrier is greater than height of the package module in the same direction. The patterned metallic layer is formed over the insulation layer and fills the via holes, serving as interconnecting lines inside the multi-chip package.

Abstract: A flip-chip package structure includes a flexible interconnection structure, at least one chip, a stiffener layer, and an isolating layer. The flexible interconnection structure having a plurality of bumps on a top surface, a plurality of contact terminals on a bottom surface, and an inner circuit connected to the bumps and the contact terminals. The chip and the stiffener layer are mounted on the top surface of the flexible interconnection structure, and the isolating layer is attached on the bottom surface. The isolating layer includes a plurality of openings that respectively expose the contact terminals of the flexible interconnection structure.

Abstract: A structure of a chip package and a process thereof are provided. The process of the chip package makes use of the TFT-LCD panel or IC process to increase the circuit layout density for high electrical performance. First, a multi-layer interconnection structure with pads of high layout density and thin fine circuits is formed on a base substrate with a large-area and high co-planarity surface, wherein the base substrate is made of quartz or glass or ceramics. Then, a chip is located on the top surface of the multi-layer interconnection structure by flip-chip or wire-bonding technology. Then, a substrate or a heat sink is attached on the top surface of the multi-layer interconnection structure for being a stiffener and providing mechanical support. Finally, the base substrate is removed and contacts are attached on the bottom surface of the multi-layer interconnection structure.

Abstract: A vertical routing structure inside a substrate for connecting a pair of trace lines electrically. The trace lines are positioned on the top and bottom surface of a stack layer. The vertical routing structure includes a conductive rod and two bonding pads. The conductive rod passes through the stack layer such that the top and bottom surface of the conductive rod are also exposed on the top and bottom surface of the stack layer. In addition, a bonding pad is also attached to the top and bottom surface of the conductive rod respectively. The bonding pads are connected to the aforementioned trace lines. The two bonding pads have a transverse sectional area smaller than the transverse sectional area of the conductive rod. Thus, the vertical routing structure is able to reduce surface area needed to accommodate inter-layer connections and increase routing density within the substrate.

Abstract: A process of plating through hole is provided. First, a through hole is formed on a substrate. The through hole is connected to a first surface and a second surface of the substrate. Next, a photoresist layer is formed on the inner wall of the through hole, the first surface and the second surface. Thereafter, a plurality of grooves is formed on the photoresist layer such that each groove extends from the first surface to the second surface through the inner wall of the through hole. Thus, a portion of the first surface, the inner wall of the through hole and the second surface are exposed by the grooves. A conductive material is deposited into each groove to form a conductive line. Finally, the photoresist layer is removed to produce a through hole having multiple conductive lines.

Abstract: A build-up layer packaging comprising a first ceramic substrate, a second ceramic substrate, and a circuit layer is provided. The first ceramic substrate has a through hole to dispose a die therein. The second ceramic substrate, attached to a common lower surface of the ceramic substrate and the die, further has a plurality of openings to expose the pads of the die. The openings are filled with plugs electrically connecting to the pads. The circuit layer is formed under the second ceramic substrate to transmit signals generated by the die outward.

Abstract: An electrical connection device comprises a socket and a plurality of holders. A plurality of pinholes arranged on the socket provide a plug-in function for a plurality of pins of an IC device. A conductive holder placed in the pinhole is a single element made integrally by bending a metallic piece. The holder includes: an extension part arranged along the extension direction of pin-hole, a holding part located at the top end of the extension part, and an electrical connection part located at the bottom end of the extension part. The electrical connection part is a hollow structure having an accommodation inner space. The electrical connection part has a pouring opening so that the hollow structure may be filled with resin.