Abstract:
PURPOSE: A socket device of a semiconductor module is provided to install a heat emitting unit in a socket main body, thereby preventing heat generated in the semiconductor module from being transferred to the main body thereof. CONSTITUTION: A socket main body(11) comprises a socket groove corresponding to a semiconductor module. A socket pin(13) is installed in the socket groove of the socket main body to be electrically connected to a module pin of the semiconductor module. A heat emitting unit(12) is installed in the socket main body. The heat emitting unit includes a heat emitting plate which is exposed to one side of the socket main body. A socket pin is electrically connected to the main board of a computer. A ratchet is installed on both sides of the socket groove of the socket main body and has teeth engaged with a tooth groove of the semiconductor module.
Abstract:
PURPOSE: A passive device, a semiconductor module, an electronic circuit board, and an electronic system having the same and method of fabricating and inspecting the semiconductor module are provided to improve productivity by inspecting a electrical connection state and a physical fixed state through a visual inspection. CONSTITUTION: In a passive device, a semiconductor module, an electronic circuit board, and an electronic system having the same and method of fabricating and inspecting the semiconductor module, at least two real electrodes(120a) are formed in one side of a main body(110a). Real electrodes are used for transmitting the electrical signal. The real electrodes are electrically connected to each other in the main body. The main body has At least one first dummy electrode(130a). The first dummy electrode is electrically connected to the real electrodes.
Abstract:
PURPOSE: A method of jointing a solder ball and a method of repairing a memory module are provided to prevent a crack of a semiconductor chip included in a package by selectively heating a junction area of a solder ball. CONSTITUTION: In a method of jointing a solder ball and a method of repairing a memory module, a solder paste is coated at least one of a solder ball(115) and a pad(121). A first material is coated in the solder ball. A second material capable of being reacted with the first material is coated on the pad of a substrate for the solder ball. The solder ball and the pad are bonded by heat which is generated in the reaction between the first and second materials.
Abstract:
PURPOSE: A manufacturing method of a semiconductor module is provided to increase aspect ratio of a connection pattern formed between the semiconductor package and the module PCB by adding heat to a plate having double metal layers of different coefficient of thermal expansion. CONSTITUTION: A substrate(110) comprises a body part(112), a first plate part(114), and a fixing unit(116) connecting the body part and the first plate part. A semiconductor chip(130) is arranged on the top of a substrate. The semiconductor chip is electrically connected with the substrate by a connecting member. A mold(132) is formed to protect the semiconductor chip and the connecting member in the top of the substrate. The mold is formed into EMC(Epoxy Molding Compound).
Abstract:
PURPOSE: A semiconductor package and a manufacturing method of the same are provided to reduce damage to a connection terminal from an external impact due to temperature change by installing the connection terminal with a filling member. CONSTITUTION: A semiconductor package includes a connection terminal(130a) including a solder(132) and a filling material(134). The filling material is arranged inside a solder, and a plurality of air layers are formed inside in the filling material. The filling material is composed of an aerosol particle, a conductive material, and a carbon. The filling material is distributed inside the solder and it is included in a connection terminal by 0.5wt%~1.5Wt%.
Abstract:
An electronic device having reproducible electronic components, a method for manufacturing the same, and a method for reproducing electronic components are provided to detect an error of a connection pattern by exposing the connection pattern to the outside. An electronic device having reproducible electronic components includes a substrate body(203), a first cavity(205a), a first metal pattern(210a), a first electronic component, and a first conductive connection pattern. The first cavity is provided to the substrate body. The first metal pattern is provided to the substrate body and is close to the first cavity. The first electronic component is inserted into the first cavity, and has a ball pad which is provided to the first body and an upper edge part of the first body. The first conductive connection pattern is located on an upper edge of the first electronic component, and is expanded to the first metal pattern. The first conductive connection pattern is contacted with the ball pad and the first metal pattern.
Abstract:
A method for manufacturing a lead frame stack package using laser soldering is provided to enhance the reliability of products by strongly sticking a semiconductor module to a stack package without a soldering defect through the use of solder ball. A method for manufacturing a lead frame stack package includes the step of stacking a second lead frame package on a first lead frame package to be partially contacted to each other; and the step of combining a lead(43) of the first lead frame package with a lead of the second lead frame package through a laser soldering. The combination through the laser soldering is performed by putting a solder ball(80) supplied from a laser soldering head on a junction portion of the leads and melting the solder ball by a laser beam irradiated from the laser soldering head and then hardening the solder ball to join the leads. The method further includes stacking the third lead frame package on the second lead frame package; and closely adhering a lead of the second lead frame package to a lead of the third lead frame package.
Abstract:
A mounting structure of a semiconductor device having soldering flux and an under fill resin layer, and a method for mounting the semiconductor device are provided to prevent the crack of soldering portions between solder balls and ball pads by using epoxy resin flux. A mounting structure of a semiconductor device includes a pattern substrate(20), an element substrate(10), solder balls(15), first soldering fluxes(13), and an under fill resin layer(35). The pattern substrate includes terminal pads(21). The element substrate, which is installed on the pattern substrate, includes ball pads(11) opposite to the terminal pads. The solder balls are contacted to the terminal pads and ball pads between the pattern substrate and element substrate. The first soldering fluxes of epoxy resin group attaches the solder balls to the ball pads. The under fill resin layer is used for filling the solder balls and soldering fluxes between the pattern substrate and element substrate.
Abstract:
A semiconductor package having a passive component and a semiconductor memory module including the same are provided to reduce a size of a memory module substrate as the area of the passive component to make a computer system compact. A semiconductor package(225) includes a mounting substrate(110), a semiconductor chip(120), a passive component, and a cover(130). The semiconductor chip is bonded to the mounting substrate. The passive component penetrates through the mounting substrate around the semiconductor chip. The cover covers the mounting substrate, the semiconductor chip, and the passive component. The semiconductor chip has a pad array composed of a plurality of pads(122) and the mounting substrate has a pad array composed of a plurality of pad electrodes(114). The pads of the semiconductor chip and the pad electrodes are electrically connected to each other.
Abstract:
A semiconductor package including a PCB(Printed Circuit Board) having a flexible region and a semiconductor module having the package are provided to absorb variation occurring due to a difference in thermal expansion coefficient between the PCB and a semiconductor chip. A semiconductor package includes a first printed circuit board(101), a first semiconductor chip(151), and a plurality of solder balls. The first printed circuit board is provided with a flexible region(F) and rigid regions(R1,R2). The first semiconductor chip is provided on one surface of the first printed circuit board. The first semiconductor chip is installed in a center portion of the first printed circuit board. The solder balls are formed on both outside portions of the first printed circuit board. The both outside portions are the rigid regions. The flexible region is positioned adjacent to the both outside portions. The center portion is the rigid region. The flexible region is provided between the center portion and the both outside portions.