Abstract: A leadframe includes two spaced apart conductive legs, each of which includes a base section, and a first extension section extending from a bottom end of the base section in a direction away from the other one of the conductive legs. At least one of the conductive legs further includes a second extension section that extends from a top end of the base section thereof in the same direction as the first extension section for fixing the light-emitting diode chip. The heat generated by the light-emitting diode chip can be dissipated through a shortest heat-dissipating route, thereby increasing the heat-dissipating rate.

Abstract: A lead frame includes a die stage; an inner lead provided near the die stage; and a bus bar provided between the die stage and the inner lead and supported by a hanging lead, wherein the hanging lead is inclined with respect to the inner lead, and a wire connection face of the bus bar is displaced with respect to a wire connection face of the inner lead in a direction of a frame thickness.

Abstract: A Quad Flat No Leads (QFN) package includes a lead frame, a chip, an encapsulant, and a protective layer. The lead frame includes a plurality of leads. Each of the leads has a lower surface that is divided into a contact area and a non-contact area. The chip is configured on and electrically connected to the lead frame. The encapsulant encapsulates the chip and the leads and fills spaces between the leads. The contact areas and the non-contact areas of the leads are exposed by the encapsulant. The protective layer covers the non-contact areas of the leads.

Abstract: The present disclosure provides a light emitting diode (LED) package, which includes a first substrate with electrodes disposed on a top thereof and a second substrate with an LED chip disposed on a top thereof. The LED chip is connected with the electrodes via wires. A first package layer is disposed on the top of the first substrate to cover the wires and electrodes. A fluorescent layer is disposed on the top of the second substrate to cover the LED chip. The present disclosure also provides a mold and a method of manufacturing the LED package.

Abstract: There is provided a flip chip package including an electronic device, a board including a conductive pad disposed inside a mounting region of the board on which the electronic device is mounted, and a connection pad disposed outside the mounting region, a resin layer formed on the board and including a trench formed by removing a part of the resin layer, and a dam member provided on the trench and preventing the leakage of an underfill between the mounting region and the connection pad. Since the dam member, formed on the processed resin layer, can prevent the leakage of the underfill, a package defect rate can be lowered, and connection reliability can be improved.

Abstract: A device is disclosed which includes a first packaged integrated circuit device, a second packaged integrated circuit device positioned above the first packaged integrated circuit device and a plurality of planar conductive members conductively coupling the first and second packaged integrated circuit devices to one another. A method is also disclosed which includes conductively coupling a plurality of extensions on a leadframe to each of a pair of stacked packaged integrated circuit devices and cutting the leadframe to singulate the extensions from one another.

Abstract: According to an embodiment, a semiconductor device includes a first frame, a semiconductor element fixed to the first frame, a second frame, a third frame and a resin package. The second frame faces the first frame and is away from the first frame, the second frame being electrically connected to the semiconductor element via a metal wire. The resin package covers the semiconductor element, the first frame, and the second frame. The first frame and the second frame are exposed in one major surface of the resin package. The third frame juxtaposed to one of the first frame and the second frame, the third frame being continuously exposed from the major surface of the resin package to a side surface in contact with the major surface.

Abstract: A semiconductor device includes a lead frame, a semiconductor element mounted on the lead frame, and a frame-like member formed on the lead frame, surrounding the semiconductor element, and covering a side surface of the lead frame and exposing a lower surface of the lead frame. The frame-like member has at least one concave portion in a side surface thereof. The concave portion has a ceiling portion located at the same height as or lower than an upper surface of the lead frame, and a bottom portion located higher than the lower surface of the lead frame.

Abstract: A lead carrier provides support for an integrated circuit chip and associated leads during manufacture as packages containing such chips. The lead carrier includes a temporary support member with multiple package sites. Each package site includes a die attach pad surrounded by a plurality of terminal pads. The pads are formed of a sintered electrically conductive material. A chip is mounted upon the die attach pad and wire bonds extend from the chip to the terminal pads. The pads, chip and wire bonds are all encapsulated within a mold compound. The temporary support member can be peeled away and then the individual package sites can be isolated from each other to provide completed packages including multiple surface mount joints for mounting within an electronics system board. Edges of the pads are contoured to cause the pads to engage with the mold compound to securely hold the pads within the package.

Abstract: Presented are device structures and methods of fabricating three-dimensional integrated circuits that include post-contact back end of line through-hole via integration for the three-dimensional integrated circuits. Another aspect of the present invention includes three-dimensional integrated circuits fabricated according to methods of the present invention.

Abstract: A method of manufacture of an integrated circuit packaging system includes: forming a package paddle; forming a lead adjacent the package paddle, the lead having a hole in a lead body top side and a lead ridge protruding from a lead non-horizontal side; mounting an integrated circuit over the package paddle; connecting an electrical connector to the lead and the integrated circuit; and forming a fill layer within the hole.

Abstract: An electronic device including a die-pad area, a die fixed to the die-pad area, a connection terminal, and a ribbon of conductive material. The ribbon is electrically connected to the die and to the connection terminal, and has a prevalent dimension along a first axis, a width, measured along a second axis, which is transverse to the first axis, and a thickness, which is negligible with respect to the width; the ribbon moreover has a cross section that defines a concave geometrical shape.

Abstract: The semiconductor device according to the present invention includes a semiconductor chip, an island having an upper surface to which the semiconductor chip is bonded, a lead arranged around the island, a bonding wire extended between the surface of the semiconductor chip and the upper surface of the lead, and a resin package collectively sealing the semiconductor chip, the island, the lead and the bonding wire, while the lower surface of the island and the lower surface of the lead are exposed on the rear surface of the resin package, and the lead is provided with a recess concaved from the lower surface side and opened on a side surface thereof.

Abstract: An electronic light emitting device includes a leadframe, a light emitting diode arranged above a first surface of the leadframe, a semiconductor chip including an electronic circuit to drive the light emitting diode, the semiconductor chip arranged above a second surface of the leadframe opposite to the first surface of the leadframe.

Abstract: A semiconductor composite wiring assembly includes a wiring assembly and a lead frame. A copper wiring layer of the wiring assembly includes first terminals, second terminals, and wiring sections connecting the terminals. The second terminals and the lead frame are electrically connected by connecting members. The lead frame includes a die pad for mounting the wiring assembly, and lead sections located at outer positions. The die pad includes a central area in which a semiconductor chip is mounted via the wiring assembly, and a peripheral area connected to the central area with spaces formed therebetween that serve as resin-seal inflow spaces. The wiring assembly is positioned over the central area and the peripheral area so as to cover the central area completely and the peripheral area partially, and at least the central area and the peripheral area of the die pad are glued to the wiring assembly by resin paste.

Abstract: A complete power management system implemented in a single surface mount package. The system may be drawn to a DC to DC converter system and includes, in a leadless surface mount package, a driver/controller, a MOSFET transistor, passive components (e.g., inductor, capacitor, resistor), and optionally a diode. The MOSFET transistor may be replaced with an insulated gate bipolar transistor, IGBT in various embodiments. The system may also be a power management system, a smart power module or a motion control system. The passive components may be connected between the leadframe connections. The active components may be coupled to the leadframe using metal clip bonding techniques. In one embodiment, an exposed metal bottom may act as an effective heat sink.

Abstract: A device is disclosed which includes a first packaged integrated circuit device, a second packaged integrated circuit device positioned above the first packaged integrated circuit device and a plurality of planar conductive members conductively coupling the first and second packaged integrated circuit devices to one another. A method is also disclosed which includes conductively coupling a plurality of extensions on a leadframe to each of a pair of stacked packaged integrated circuit devices and cutting the leadframe to singulate the extensions from one another.

Abstract: A device includes a package component, and a metal trace on a surface of the package component. A first and a second dielectric mask cover a top surface and sidewalls of the metal trace, wherein a landing portion of the metal trace is located between the first and the second dielectric masks. The landing portion includes a first portion having a first width, and a second portion connected to an end of the first portion. The second portion has a second width greater than the first width, wherein the first and the second widths are measured in a direction perpendicular to a lengthwise direction of the metal trace.

Abstract: A two tier power module has, in one form thereof, a PC board having upper and lower traces with an opening in the insulating material that contains a power device which has upward extending solder bump connections. An upper leadframe is mounted on the solder bumps and the upper tracks of the PC board. Vias in the PC board connect selected upper and lower traces. A control device is mounted atop the leadframe and wire bonded to the leadframe, and the assembly is encapsulated leaving exposed the bottom surfaces of the lower traces of the PC board as external connections. In another form the PC board is replaced by a planar leadframe and the upper leadframe has stepped sections which make connections with the planar leadframe, the bottom surfaces of the planar leadframe forming external connections of the module.

Abstract: An integrated circuit package system includes a leadframe with leads configured to provide electrical contact between an integrated circuit chip and an external electrical source. Configuring the leads to include outer leads, down set transitional leads, and down set inner leads. Connecting the integrated circuit chip electrically to the down set inner leads. Depositing an encapsulating material to prevent exposure of the down set inner leads.

Abstract: A flip chip lead frame package includes a die and a lead frame having a die paddle and leads, and has a spacer to maintain a separation between the die and the die paddle. Also, methods for making the package are disclosed.

Abstract: A method of manufacturing an LED package includes mounting a large panel frame/substrate (LPF/S) having a substantially square shape to a ring. The LPF/S includes a plurality of die pads and a corresponding plurality of leads arranged in a matrix pattern. Each of the die pads includes a planar chip attach surface. An LED chip is attached to the planar chip attach surface of each of the die pads. An encapsulant material is applied overlaying the LED chips and at least a part of the LPF/S. Each die pad and corresponding leads are separated from the LPF/S to form individual LED packages. The steps of attaching the LED chips and applying the encapsulant material are performed while the LPF/S is mounted to the ring.

Abstract: A lead frame substrate, including: a metal plate having a first surface and a second surface; a semiconductor element mount portion and a semiconductor element electrode connection terminal that are formed on the first surface; an external connection terminal formed on the second surface and electrically connected to the semiconductor element electrode connection terminal; a conducting wire that connects the semiconductor element electrode connection terminal and the external connection terminal to each other; a resin layer formed on the metal plate; a hole portion that is partly formed in the second surface of the metal plate and does not penetrate the metal plate; and a plurality of protrusions that are formed on a bottom surface of the hole portion and protrude in a direction away from the metal plate, the protrusions having a height lower than a position of the second surface, not being in electrical conduction with the conducting wire, and being dispersed separately.

Abstract: A method of manufacture of an integrated circuit packaging system includes: forming a base structure having a die paddle, an outer lead, and an inner lead between the die paddle and the outer lead, with a pre-plated finish on a base structure system side of the base structure; mounting an integrated circuit device to a side of the die paddle opposite the paddle system side; attaching an interconnect to the integrated circuit device and a side of the inner lead opposite the inner lead system side; applying an encapsulation around the integrated circuit device, the interconnect, and the base structure with the pre-plated finish exposed from the encapsulation; and forming an inward channel in the encapsulation to electrically isolate the inner lead.

Abstract: In accordance with the present invention, there is provided a quad flat no leads (QFN) semiconductor device or package including a leadframe wherein the leads of the leadframe are selectively formed so that portions one or more prescribed leads are exposed in a package body of the semiconductor package and electrically connected to an electromagnetic interference (EMI) shielding layer applied to the package body. In certain embodiments of the present invention, one or more tie bars of the leadframe may also be formed so as to be exposed in the package body of the semiconductor package and electrically connected to the shielding layer applied to the package body. Thus, in the present invention, the shielding layer may be electrically connected to one or more leads alone or in combination with one or more tie bars of the leadframe.

Abstract: Provided are a lead frame, a semiconductor package, and a method of manufacturing the lead frame and the semiconductor package. The lead frame includes: a die pad on which a semiconductor chip is installable; a plurality of lead patterns formed around a circumference of the die pad; an insulating organic material filling etching spaces interposed between the die pad and the lead patterns and structurally supporting the die pad and the lead patterns; and a pre-plating layer formed on both upper and lower surfaces of the die pad and the lead patterns.

Abstract: The present invention relates generally to assembly techniques. According to the present invention, the alignment and probing techniques to improve the accuracy of component placement in assembly are described. More particularly, the invention includes methods and structures to detect and improve the component placement accuracy on a target platform by incorporating alignment marks on component and reference marks on target platform under various probing techniques. A set of sensors grouped in any array to form a multiple-sensor probe can detect the deviation of displaced components in assembly.

Abstract: A semiconductor light emitting device (A) includes a lead frame (1) having a constant thickness, a semiconductor light emitting element (2) supported by the lead frame (1), a case (4) covering part of the lead frame (1) and a light transmitting member (5) covering the semiconductor light emitting element (2). The lead frame (1) includes a die bonding pad (11a) and an elevated portion (11b). The die bonding pad (11a) includes an obverse surface on which the semiconductor light emitting element (2) is mounted, and a reverse surface exposed from the case (4). The elevated portion (11b) is shifted in position from the die bonding pad (11a) in the direction normal to the obverse surface of the die bonding pad (11a).

Abstract: Packages for an integrated circuit die and methods and leadframes for making such packages are disclosed. The package includes a die, a die pad, peripheral metal contacts, bond wires, and an encapsulant. The die pad and contacts are located at a lower surface of the package. The die pad and the contacts have side surfaces which include reentrant portions and asperities to engage the encapsulant. A method of making a package includes providing a metal leadframe having a die pad in a rectangular frame. Tabs extend from the frame toward the die pad. The die pad and tabs have side surfaces with reentrant portions and asperities. A die is attached to the die pad. The die is electrically connected to the tabs. An encapsulant is applied to the upper and side surfaces of the leadframe. Finally, the leadframe is cut in situ so that the die pad and tabs are severed from the frame, the sides of the package are formed, and the package is severed from the leadframe.

Abstract: A method includes: forming a photoresist pattern to form each of a semiconductor element mounting section on which a semiconductor element is mounted, semiconductor element electrode connection terminals for connection with electrodes of the semiconductor element, and a first outer frame section on a first surface of a metal plate; forming a photoresist pattern to form each of external connection terminals, a second outer frame section, and grooves in at least a part of the second outer frame section on a second surface of the metal plate; etching a metal plate exposing section, in which the metal plate of the second surface is exposed, to form holes that do not pass through the metal plate exposing section and grooves that run from an inside to an outside of the second outer frame section; coating a pre-mold resin on the holes and the grooves, and heating the pre-mold resin under pressure using a flat-bed press to form a resin layer; and etching the first surface to form the semiconductor element mounting se

Abstract: A heat conduction board, include a heat dissipation member; a heat conduction member which is arranged on the heat dissipation member and conducts a heat thereto; a lead frame which is formed in a wire pattern shape, and is arranged on the heat conduction member; and a printed circuit board which mounts a second electronic component for controlling a first electronic component; wherein the first electronic component and the printed circuit board are soldered to the lead frame.

Abstract: A semiconductor device such as a field-effect transistor, improved to reduce device resistance, comprises a leadframe which includes a die paddle integral with a first set of leads and a second set of leads that is electrically isolated from the first set, a semiconductor die having its lower surface positioned on, and electrically connected to, the die paddle, and a conductive layer on the upper surface of the die. At least one electrically conductive wire, preferably plural wires, extend laterally across the second surface of the semiconductor die, are in electrical contact with the conductive layer, and interconnect corresponding second leads on opposite sides of the die. The plural wires may be welded to leads in succession by alternate ball and wedge bonds on each lead. The conductive layer may be an aluminized layer on which is formed a thin layer a solderable material, such as tin. A solder is deposited on the tin layer, enmeshing the wires.

Abstract: A tape wiring substrate may have dispersion wiring patterns. The dispersion wiring patterns may be provided between input/output wiring pattern groups to compensate for the intervals therebetween. Connecting wiring patterns may be configured to connect the dispersion wiring patterns to a first end of the adjacent input/output wiring pattern.

Abstract: Integrated circuit devices have a first substrate layer and a first transistor on the first substrate layer. A first interlayer insulating film covers the first transistor. A second substrate layer is on the first interlayer insulating film and a second transistor is on the second substrate layer. A second interlayer insulating film covers the second transistor. A contact extends through the second interlayer insulating film, the second substrate layer and the first interlayer insulating film. The contact includes a lower contact and an upper contact that contacts an upper surface of the lower contact to define an interface therebetween. The interface is located at a height no greater than a height of a top surface of the second substrate and greater than a height of a bottom surface of the second substrate layer.

Abstract: A method of manufacturing a semiconductor package system includes: forming a leadframe having a passive device; encapsulating the passive device to form an encapsulant interposer; attaching a first die to the encapsulant interposer; forming a substrate interposer having a second die; and stacking the encapsulant interposer over the substrate interposer.

Abstract: An LED package with an extended top electrode and an extended bottom electrode is made from a single metal sheet, one manufacturing process embodiment includes: preparing a piece of single metal sheet, forming a first metal and a coplanar second metal, mounting an LED on an inner end of the first metal, wire-bonding top electrode to an inner end of the second metal, encapsulating at least the LED and the bonding wire with a protection glue, bending an outer end of the first metal upward twice 90 degrees to form a top flat as an extended top electrode of the package, and bending an outer end of the second metal downward twice 90 degrees to form a bottom flat as an extended bottom electrode of the package.

Abstract: The advanced quad flat non-leaded package structure includes a carrier, a chip, a plurality of wires, and a molding compound. The carrier includes a die pad and a plurality of leads. The leads include first leads disposed around the die pad, second leads disposed around the first leads and at least an embedded lead portion between the first leads and the second leads. The wires are disposed between the chip, the first leads and the embedded lead portion. The advanced quad flat non-leaded package structures designed with the embedded lead portion can provide better electrical connection.

Abstract: A device is disclosed which includes a flexible material including at least one conductive wiring trace, a first die including at least an integrated circuit, the first die being positioned above a portion of the flexible material, and an encapsulant material that covers the first die and at least a portion of the flexible material. A method is disclosed which includes positioning a first die above a portion of a flexible material, the first die including an integrated circuit and the flexible material including at least one conductive wiring trace, and forming an encapsulant material that covers the first die and at least a portion of the flexible material, wherein at least a portion of the flexible material extends beyond the encapsulant material.

Abstract: An integrated circuit package system includes a conductive substrate. A heat sink and a plurality of leads are etched in the substrate to define a conductive film connecting the heat sink and the plurality of leads to maintain their spatial relationship. A die is attached to the heat sink and wire bonded to the plurality of leads. An encapsulant is formed over the die, the heat sink, and the plurality of leads. The conductive film is etched away to expose the encapsulant and the bottom surfaces of the heat sink and the plurality of leads. Wave soldering is used to form solder on at least the plurality of leads. Multiple heat sinks and hanging leads are provided.

Abstract: A leadframe for the assembly of a semiconductor chip has regions (112) with an original smooth surface of glossy appearance and regions (113, 114, 210) of a frosty appearance with rough surface contours. The regions of rough surface contours include two-dimensional arrays of spots (401) comprising a central area (402) below the original surface (400) and a piled ring (403) above the original surface. The piled ring (403) consists of the leadframe material in amorphous configuration.

Abstract: A method for manufacturing an integrated circuit package system includes: forming a die paddle; forming an under paddle leadframe including lower leadfingers thereon; attaching the under paddle leadframe to the die paddle with the lower leadfingers extending under the die paddle; attaching a die to the die paddle; and planarizing a bottom surface of the under paddle leadframe to separate the lower leadfingers under the die paddle.

Abstract: A semiconductor device includes a circuit base including an inner lead portion and an outer lead portion. The inner lead portion has a plurality of inner leads. At least part of the inner leads is routed inside a chip mounting area. On both upper and lower surfaces of the circuit base, a first and a second semiconductor chip are mounted. At least part of electrode pads of the first semiconductor chip are electrically connected to electrode pads of the second semiconductor chip via the inner leads.

Abstract: An integrated circuit (IC) device includes a lead frame having a first and a second opposing surface and a plurality of lead fingers. A first die including a signal processor is mounted on the first surface of the lead frame while a second die is mounted on the second surface of the lead frame. The second die includes at least one sensor that senses at least one non-electrical parameter and has at least one sensor output that provides a sensing signal for the parameter. The sensor output is coupled to the signal processor for processing the sensing signal.

Abstract: An integrated circuit package system includes: fabricating a lead frame including: providing inner leads having an inner lead pitch of progressive length, forming a lead shoulder, on the inner leads, having a shoulder height of a progressive height, and forming outer leads coupled to the lead shoulder and the inner leads; mounting an integrated circuit die on the lead frame; and molding a package body on the lead frame and the integrated circuit die.

Abstract: A device is disclosed which includes a first packaged integrated circuit device, a second packaged integrated circuit device positioned above the first packaged integrated circuit device and a plurality of planar conductive members conductively coupling the first and second packaged integrated circuit devices to one another. A method is also disclosed which includes conductively coupling a plurality of extensions on a leadframe to each of a pair of stacked packaged integrated circuit devices and cutting the leadframe to singulate the extensions from one another.

Abstract: A semiconductor package including a lead frame comprising a frame including both a ground ring and a chip mounting board located therein. Extending between the ground ring and the chip mounting board are a plurality of elongate slots or apertures. The ground ring is formed to include recesses within the bottom surface thereof which create regions of reduced thickness. A semiconductor chip bonded to the chip mounting board may be electrically connected to leads of the lead frame and to the ground ring via conductive wires. Those conductive wires extending to the ground ring are bonded to the top surface thereof at locations which are not aligned with the recesses within the bottom surface, i.e., those regions of the ground ring of maximum thickness.

Abstract: A semiconductor package includes a leadframe having first and second level downset lead extensions, a quad flat nonleaded package (QFN) attached to the first level downset lead extension, and a flip chip die attached to the second level downset lead extension. Another embodiment of a semiconductor package includes a leadframe having a lead, a first quad flat nonleaded package (QFN) connected to the lead, and a second quad flat nonleaded package invertly connected to a top surface of the first quad flat nonleaded package, wherein the second quad flat nonleaded package is wirebonded to the lead. A third embodiment of a semiconductor package includes a leadframe having a lead with a first level downset lead extension, a quad flat nonleaded package (QFN) connected to the first level downset lead extension, and a first wirebondable die attached to a top or bottom surface of the quad flat nonleaded package.

Abstract: A semiconductor package includes a leadframe having first and second level downset lead extensions, a quad flat nonleaded package (QFN) attached to the first level downset lead extension, and a flip chip die attached to the second level downset lead extension. Another embodiment of a semiconductor package includes a leadframe having a lead, a first quad flat nonleaded package (QFN) connected to the lead, and a second quad flat nonleaded package invertly connected to a top surface of the first quad flat nonleaded package, wherein the second quad flat nonleaded package is wirebonded to the lead. A third embodiment of a semiconductor package includes a leadframe having a lead with a first level downset lead extension, a quad flat nonleaded package (QFN) connected to the first level downset lead extension, and a first wirebondable die attached to a top or bottom surface of the quad flat nonleaded package.

Abstract: In order to improve the package body cracking resistance of an LSI package at the reflow soldering and to provide both a leadframe suitable for fabricating the LSI package according to the flexible manufacturing system and an LSI using the leadframe, the adhered area between a semiconductor chip 2 and a resin is enlarged by making the external size of a die pad 3 smaller than that of the semiconductor chip to be mounted thereon. Moreover, a variety of semiconductor chips 2 having different external sizes can be mounted on the die pad 3 by cutting the leading ends of leads 5 to a suitable length in accordance with the external sizes of the semiconductor chips 2.

Abstract: A semiconductor integrated circuit device includes a semiconductor chip having a memory cell array region surrounded with a peripheral circuit region and includes a plurality of bonding pads disposed at least in one row on only one side of the semiconductor chip. The circuit device may include first leads group disposed adjacent to the bonding pad side and a second leads group disposed opposite the first leads group. The second leads group may be formed over a portion of the semiconductor chip (lead-on-chip structure). A plurality of bonding wires connect the first and second leads group with the plurality of bonding pads respectively.