Abstract:
PROBLEM TO BE SOLVED: To provide a circuit board structure and its manufacturing method. SOLUTION: A carrier board is prepared, and then an insulating protective layer is formed over the carrier board, and then a plurality of openings are formed in the insulating protective layer to expose the carrier board. Then, a circuit structure is formed on the surface of the insulating protective layer and the openings, and further a dielectric layer is formed over the insulating protective layer and the circuit structure. Then a plurality of openings are formed in the dielectric layer to expose a part of the circuit structure, and then the carrier board is removed to form a coreless circuit board; thereby, the thickness of the circuit board is made smaller, and contribution can be made to the reduction in the size and improvement in the performance of a package product, and further, can cope with the requirement of miniaturization of electronic apparatuses. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a circuit board required to use a fine-pitch distribution while avoiding a conductive element having a wing edge formed, and to provide a manufacturing method thereof. SOLUTION: The circuit board includes a circuit board body having a plurality of electric connection pads on at least one surface, an insulating protection layer provided on a surface of the circuit board body and having openings, larger than the electric connection pads and not in contact with peripheral edges of the electric connection pads, corresponding to the electric connection pads, and solder materials provided on surfaces of the electric connection pads and having a smaller diameter than the electric connection pads, and then a fine-pitch electric connection structure is formed by forming the solder materials as conductive elements by solder reflowing and making them smaller than the openings of the insulating protection layer. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a lamination structure of semiconductor element embedding supporting substrate wherein a module structure can be formed by embedding semiconductor elements in a supporting substrate, and to provide its manufacturing method. SOLUTION: first and second supporting substrates 21a and 21b are provided, and at least one penetrating opening 211 is formed for each of the first and second supporting substrates 21a and 21b. First and second protective layers 22a and 22b are formed on the respective surfaces of the first and second supporting substrates, and at least one first semiconductor element 23a and one second semiconductor element 23b are arranged in the openings of the first and second substrates, respectively, and they are bonded to the first and second protective layers. A dielectric layer 24 is crimped between the surfaces of the first and second supporting substrates where the first and second protective layers are not formed, thus forming a module lamination structure. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a package structure of a chip built-in substrate for effectively positioning the semiconductor chip to a chip carrier. SOLUTION: The package structure of the chip built-in substrate comprises a carrier plate having a step-like opening, the semiconductor chip (or the chip set) housed in the opening of the carrier plate; a dielectric layer formed to the semiconductor chip and the carrier plate, filled in a gap between the semiconductor chip and the opening of the carrier plate, and fixing the semiconductor chip to the carrier plate; and a circuit layer formed in the dielectric layer. The circuit layer is electrically connected to electrode pads of the semiconductor chip by a plurality of conductive structures, in the result, the semiconductor chip is electrically connected outside. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide the lamination structure of a semiconductor element-padding support plate, which embeds a semiconductor chip in a support plate so as to turn it into a modularized structure. SOLUTION: A modularized structure is assembled in a three-dimensional assembly. The structure is equipped with: two support plates 21 which are each provided with at least an opening 21c and laminated into one piece by a joining layer 25; two semiconductor elements 22 which are fixed in the openings 21c of the support plates 21 respectively, and each provided with an active plane 22a where electrode pads 22c are provided; at least a dielectric layer 23 which is formed on the active plane 22a of the semiconductor element 22 and the surface 21a of the support plate 21, and equipped with at least a through-hole 26 located at a part corresponding to the electrode pad 22c; and at least a conductive structure 24a which is provided in the through-hole 26 of the dielectric layer 23, and electrically connects the circuit layer 24 that is formed on the surface of the dielectric layer 23 to the electric pad 22c of the semiconductor element 22. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a chip embedded package structure and a manufacturing method therefor. SOLUTION: A support plate having at least one opening is prepared, a heat conduction block is formed at the opening of the support plate, a semiconductor chip is adhered to the heat conduction block, a dielectric layer and a circuit layer are sequentially formed on the support plate and semiconductor chip, and the circuit layer is electrically connected to the semiconductor chip, thus forming the chip embedded package structure. A heat dissipation layer is formed by providing the support plate with the heat conduction block. A combination of the support plate, heat conduction block and dielectric layer enables the avoidance of the warpage occurring in the subsequent manufacturing process, and the enhancement of the package structure quality. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a solder ball arrangement-side surface structure of a package board used for preventing a conductive element located in the surface structure from falling by lack of bonding strength by increasing a contact area of the surface structure to stick the conductive element, and to provide a method of manufacturing the same. SOLUTION: The solder ball arrangement-side surface structure of a package board includes a chip arrangement side and a solder ball arrangement side facing each other on the package board, wherein first and second circuit layers are provided on the chip arrangement side and the solder ball arrangement side, respectively. A first insulation protective layer is formed on the chip arrangement side of the package board and the first circuit layer. The solder ball arrangement-side surface structure includes: a metal pad being part of the second circuit layer; a metal projecting edge circumferentially formed on the metal pad; and a second insulating protective layer located on the solder ball arrangement side of the package board, and having a second opening smaller than the outer diameter size of the metal projecting edge for exposing a partial surface of the metal projecting edge. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a packaging substrate structure applicable to fine pitch formation of the packaging substrate structure and quality improvement of an under filling process, capable of solving a connection failure caused by nonuniform solder bumps, and of improving reliability of a product, and manufacturable at economical cost; and a method for manufacturing the same. SOLUTION: This invention relates to a packaging substrate and a method for manufacturing the same. The packaging substrate includes: a substrate body, wherein a surface thereof has a circuit layer comprising a plurality of circuits and a plurality of conductive pads, and the conductive pads are higher than the circuits; and an insulating protection layer disposed on the surface of the substrate body, wherein the insulating protection layer has a plurality of openings exposing the conductive pads, and the size of the openings is larger than or equal to that of the conductive pads. Accordingly, the packaging substrate structure of the invention can be employed in a fine-pitch flip-chip packaging structure. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a semiconductor package substrate structure that is electrically connected to a semiconductor chip with ease, and ensures quality and reliability of a subsequent packaging process. SOLUTION: A semiconductor package substrate structure comprises: a circuit board that has multiple first electrical connection pads formed on at least one surface thereof; conductive posts that are formed on the surfaces of the first electrical connection pads; and an insulating protective layer that is formed on the surface of the circuit board and has openings formed to completely expose the conductive posts. In the semiconductor package substrate structure, the conductive posts protrude from the surface of the insulating protective layer. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To achieve high-density wiring and fine pitch without arranging an electrically-plated conductor, to improve a bonding property to a gold wire of wire bonding junction, and to respond to usage of a high pin number of a fine pitch. SOLUTION: A package board includes: two facing chip arrangement side and solder ball arrangement side; a plurality of wire bonding pads 401 and a plurality of solder ball pads 402 on the respective sides; and a first insulation protective layer and a second insulation protective layer on the chip arrangement side and the solder ball arrangement side, respectively. The package board includes: a board body on which a plurality of first openings and a plurality of second openings for exposing the wire bonding pads and the solder ball pads are opened on the first and second insulation protective layers, respectively; chemically-plated metal layers 42 formed on the surfaces of the wire bonding pads and the solder ball pads; and a wire bonding metal layer 45 formed on the surface of the chemically-plated metal layer 42 on the wire bonding pads. COPYRIGHT: (C)2009,JPO&INPIT