Characterized By Die Pad (epo) Patents (Class 257/E23.037)
  • Publication number: 20090174048
    Abstract: A package is disclosed. The package includes a premolded substrate having a leadframe structure, a first device attached to the leadframe structure, and a molding material covering at least part of the leadframe structure and the first device. It also includes a second device attached to the premolded substrate.
    Type: Application
    Filed: January 9, 2008
    Publication date: July 9, 2009
    Inventors: Yong Liu, Zhongfa Yuan
  • Publication number: 20090146319
    Abstract: A semiconductor device which can prevent damage to an ESD protection device by pressure when bonding is carried out, while having a pad configuration that can ensure bonding reliability, with the semiconductor device being made as small as possible. A bonding area that is an area for wire bonding with respect to an external electrode pad and a probing area that is an area in which a probe needle is applied when probing, are provided, and the ESD protection device and a discharge path therefor are arranged below the probing area. Arranged below the bonding area are a support via that is a little smaller than the bonding pad, and a support pattern having a size corresponding to the bonding pad and joined to the bonding pad by the support via.
    Type: Application
    Filed: December 3, 2008
    Publication date: June 11, 2009
    Applicant: ELPIDA MEMORY, INC.
    Inventors: Takamitsu ONDA, Kazuhiko MATSUKI
  • Patent number: 7545026
    Abstract: An electronic device (ICD) comprises a signal ground contact (LD1) for coupling the electronic device to signal ground, a die pad, and an integrated circuit. The die pad (DPD) is provided with a protrusion (PTR3) that is electrically coupled to the signal ground contact. The integrated circuit (PCH) has a contact pad (GP2) that faces the protrusion of the die pad and that is electrically coupled thereto.
    Type: Grant
    Filed: July 6, 2005
    Date of Patent: June 9, 2009
    Assignee: NXP B.V.
    Inventor: Jean-Claude G. Six
  • Patent number: 7535084
    Abstract: A multi-chip package with a single die pad is provided. The multi-chip package includes a leadframe having a die pad and a plurality of leads surrounding the die pad. Each of the leads includes an upper lead, a lower lead and an intermediate lead substantially perpendicularly connected to the upper and lower leads, wherein the upper and lower leads are substantially parallel to the die pad. The upper and lower surfaces of the die pad are attached with upper and lower chips respectively. The upper chip is electrically connected to the upper surface of one part of the upper leads by a plurality of first bonding wires and the lower chip is electrically connected to the lower surfaces of the other part of the upper leads by a plurality of second bonding wires. A sealant is used to encapsulate the chips and bonding wires to protect these elements from damage.
    Type: Grant
    Filed: May 16, 2007
    Date of Patent: May 19, 2009
    Assignee: Advanced Semiconductor Engineering, Inc.
    Inventor: Hong Hyoun Kim
  • Patent number: 7535085
    Abstract: A semiconductor package having improved adhesiveness between the chip paddle and the package body and having improved ground-bonding of the chip paddle. A plurality of through-holes are formed in the chip paddle for increasing the bonding strength of encapsulation material in the package body. A plurality of tabs are formed in the chip paddle may also be used alone or in conjunction with the through-holes to further increase the bonding strength of the encapsulation material in the package body. The tabs provide additional area for the bonding site to ground wires from the semiconductor chip by increasing the length of the chip paddle.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: May 19, 2009
    Assignee: Amkor Technology, Inc.
    Inventor: Sung Sik Jang
  • Publication number: 20090121329
    Abstract: A lead frame structure comprises a side rail, a first paddle, a second paddle, a plurality of leads, and an downset anchor bar. The first paddle is connected to the side rail via at least one first tie bar, and the second paddle is connected to the side rail via at least one-second tie bar. The first paddle and the second paddle separated from each other are used to define an area to support a chip. These leads set on the side rail expends toward to the chip supporting area. One end of the downset anchor bar is connected to the side rail, and the other end of the downset anchor bar has a protrusion portion which is between the first paddle and the second paddle and is downset from the side rail.
    Type: Application
    Filed: July 3, 2008
    Publication date: May 14, 2009
    Inventors: Chia-Yu Chen, Ta-Lin Pong, En-Shou Chang, I-Chi Cheng, Chen-Ping Su
  • Publication number: 20090115039
    Abstract: Die attach methods used in making semiconductor devices and the semiconductor devices resulting from those methods are described. The methods include providing a leadframe with a die attach pad, using boundary features to define a perimeter on the die pad, depositing a conductive material (such as solder) within the perimeter, and then bonding a die containing an integrated circuit to the die pad by using the conductive material. The boundary features allow an increased thickness of conductive material to be used, resulting in an increased bond line thickness and increasing the durability and performance of the resulting semiconductor device.
    Type: Application
    Filed: November 6, 2007
    Publication date: May 7, 2009
    Inventors: Zhengyu Zhu, Yi Li, FangFang Yang
  • Publication number: 20090115038
    Abstract: Provided are semiconductor packages and methods of fabricating the same. An exemplary semiconductor package includes a die pad including a dimple filled with an insulating material in an upper surface or a lower surface thereof. A semiconductor chip is mounted on the upper surface of the first die pad. A package body encapsulates the first die pad and the first semiconductor chip and includes a pinhole. A bottom surface of the pinhole terminates at the insulating material.
    Type: Application
    Filed: October 29, 2008
    Publication date: May 7, 2009
    Inventors: Joon-seo Son, O-soeb Jeon
  • Patent number: 7518250
    Abstract: A first solder resist section and a second solder resist section are formed over an upper surface of a wiring board. A semiconductor chip is bonded onto the first solder resist section via an adhesive interposed therebetween. Electrodes of the semiconductor chip are respectively electrically connected to connecting terminals exposed through openings of the second solder resist section via bonding wires. An encapsulating resin is formed over the upper surface of the wiring board so as to cover the semiconductor chip and the bonding wires. A plane dimension of the first solder resist section is smaller than that of the semiconductor chip, and the encapsulating resin is filled even below an outer peripheral portion of a back surface of the semiconductor chip.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: April 14, 2009
    Assignee: Renesas Technology Corp.
    Inventor: Yoshihiko Shimanuki
  • Publication number: 20090091012
    Abstract: The object of the present invention is to provide an adhesion film for semiconductor that is capable of bonding a semiconductor chip to a lead frame tightly at an adhesion temperature lower than that of the adhesion film of a traditional polyimide resin without generation of voids and that can also be used for protection of lead frame-exposed area, a thermoplastic resin composition for semiconductor for use in the adhesive agent layer therein, and a lead frame having the adhesive film and a semiconductor device; and, to achieve the object, the present invention provides a thermoplastic resin composition for semiconductor, comprising a thermoplastic resin obtained in reaction of an amine component containing an aromatic diamine mixture (A) containing 1,3-bis(3-aminophenoxy)benzene, 3-(3?-(3?-aminophenoxy)phenyl)amino-1-(3?-(3?-aminophenoxy)phenoxy)benzene and 3,3?-bis(3?-aminophenoxy)diphenylether, and an acid component (C), an adhesion film for semiconductor using the same, a lead frame having the adhesion fi
    Type: Application
    Filed: July 18, 2006
    Publication date: April 9, 2009
    Inventors: Kiyohide Tateoka, Toshiyasu Kawai, Yoshiyuki Tanabe, Tomohiro Nagoya, Naoko Tomoda
  • Publication number: 20090091013
    Abstract: A lead frame of the present invention includes: a die pad on which a device is mounted; a first connection terminal which is provided around the die pad, and the lower surface of which serves as an external terminal; a second connection terminal which is provided around the die pad and electrically independent of the die pad, and the upper surface of which serves as an external terminal; a bent part provided between the first and the second connection terminals and connecting the first and the second connection terminals; and an outer frame. The bent part is bending-processed in a direction perpendicular to a face of the die pad. Within the outer frame, electronic component regions are formed adjoining each other and each including a die pad, and the first and the second connection terminals. The adjoining electronic components are connected through the first or the second connection terminal.
    Type: Application
    Filed: September 15, 2008
    Publication date: April 9, 2009
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Toshiyuki Fukuda, Yoshihiro Tomita, Hisashi Umeda, Yasutake Yaguchi
  • Patent number: 7501700
    Abstract: A semiconductor power module includes a lead frame having a first portion at a first level, a second portion surrounding the first portion at a second level, and a plurality of terminals connected to the second portion. The semiconductor power module further includes a power circuit mounted on a first surface of the first portion and an insulator having an electrically insulating property and thermal conductivity. The insulator has a first surface adjacent to a second surface of the first portion, and a second surface opposite to the first surface of the insulator and exposed to the outside. The semiconductor power module further includes a sealer having an electrically insulating property that covers the power circuit.
    Type: Grant
    Filed: January 6, 2006
    Date of Patent: March 10, 2009
    Assignee: Fairchild Korea Semiconductor Ltd.
    Inventors: Gi-Young Jeun, O-Seob Jeun, Eun-Ho Lee, Seung-Won Lim
  • Publication number: 20090045492
    Abstract: A lead frame is provided which can prevent a short circuit between wires and the ends of adjacent leads, the short circuit being caused by wire sweep during the injection of molding resin, in a configuration where the electrodes of a semiconductor chip and the leads disposed around the semiconductor chip. The lead having sides substantially perpendicular to the direction of a resin flow has an end whose upstream side relative to the resin flow is constricted.
    Type: Application
    Filed: August 12, 2008
    Publication date: February 19, 2009
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventor: Akira Oga
  • Publication number: 20090039488
    Abstract: A semiconductor package and a method for fabricating the same are provided. A leadframe including a die pad and a plurality of peripheral leads is provided. A carrier, having a plurality of connecting pads formed thereon, is attached to the die pad, wherein a planar size of the carrier is greater than that of the die pad, allowing the connecting pads on the carrier to be exposed from the die pad. At least a semiconductor chip is attached to a side of an assembly including the die pad and the carrier, and is electrically connected to the connecting pads of the carrier and the leads via bonding wires. A package encapsulant encapsulates the semiconductor chip, the bonding wires, a part of the carrier and a part of the leadframe, allowing a bottom surface of the carrier and a part of the leads to be exposed from the package encapsulant.
    Type: Application
    Filed: August 11, 2008
    Publication date: February 12, 2009
    Applicant: Siliconware Precision Industries Co., Ltd.
    Inventors: Chang-Yueh Chan, Chih-Ming Huang, Chun-Yuan Li, Chih-Hsin Lai
  • Publication number: 20090026595
    Abstract: A surface of a lead frame of a semiconductor device package, on which a semiconductor chip is mounted, is formed to have a mesh structure, whereby a connecting area between the lead frame and a molding resin can be increased to have strong bonding. Further, only filler particles having a small diameter than the mesh are taken into the vicinity of the lead frame, suppressing the effect of stresses to reduce deformation of the lead frame.
    Type: Application
    Filed: July 23, 2008
    Publication date: January 29, 2009
    Inventor: Kiyoaki Kadoi
  • Publication number: 20090014854
    Abstract: Provided are a lead frame and a semiconductor package including the same. The lead frame includes a first lead frame portion including a plurality of first leads; an adhesive member disposed such that the first leads are adhered to one surface of the adhesive member; and a second lead frame portion including a plurality of second leads disposed such that the second leads are adhered to the other surface of the adhesive member, wherein the second leads are arranged so as not to overlap with the first leads. The lead frame may optionally include a die pad on which a semiconductor chip is installed.
    Type: Application
    Filed: July 2, 2008
    Publication date: January 15, 2009
    Applicant: Samsung Techwin Co., Ltd.
    Inventors: Se-hoon Cho, Jeung-il Kim, Sang-moo Lee
  • Publication number: 20090014851
    Abstract: A semiconductor package which includes a generally planar die paddle defining multiple peripheral edge segments and a plurality of leads which are segregated into at least two concentric rows. Connected to the top surface of the die paddle is at least one semiconductor die which is electrically connected to at least some of the leads of each row. At least portions of the die paddle, the leads, and the semiconductor die are encapsulated by a package body, the bottom surfaces of the die paddle and the leads of at least one row thereof being exposed in a common exterior surface of the package body.
    Type: Application
    Filed: July 10, 2007
    Publication date: January 15, 2009
    Inventors: YeonHo Choi, GiJeong Kim, WanJong Kim
  • Publication number: 20090001536
    Abstract: An electronic component includes a lead frame assembly, an insert, a semiconductor chip and an encapsulation compound. The lead frame assembly includes a mounting hole, a die pad, a plurality of bonding fingers and a plurality of lead fingers. The insert includes a hollow center and is provided at the mounting hole of the lead frame assembly. The semiconductor chip is arranged on the die pad and includes contact areas on its surface. A plurality of electrical contacts respectively links the contact areas of the semiconductor chip to the bonding fingers of the lead frame assembly. An encapsulating compound encloses the insert, the semiconductor chip, and the electrical contacts, however, leaves the hollow center of the insert uncovered.
    Type: Application
    Filed: June 25, 2008
    Publication date: January 1, 2009
    Applicant: INFINEON TECHNOLOGIES AG
    Inventors: Khai Huat Jeffrey Low, Chai Wei Heng, Wae Chet Yong
  • Publication number: 20080315381
    Abstract: The present invention provides a semiconductor device which comprises a lead frame including a die pad having one or two or more openings, a substrate mounted over the die pad so as to expose a plurality of semiconductor chip connecting second electrode pads from the openings of the die pad, a plurality of semiconductor chips mounted over the die pad and the substrate, bonding wires that connect chip electrode pads of the semiconductor chip and their corresponding semiconductor chip connecting first and second electrode pads of the substrate, and a sealing portion which covers these and is provided so as to expose parts of leads.
    Type: Application
    Filed: April 17, 2008
    Publication date: December 25, 2008
    Applicant: OKI ELECTRIC INDUSTRY CO.,LTD
    Inventor: Yuichi Yoshida
  • Publication number: 20080315380
    Abstract: An integrated circuit package system comprising: forming a paddle having a hole and an external interconnect; mounting an integrated circuit device having an active side to the paddle with the active side facing the paddle and the hole; connecting a first internal interconnect between the active side and the external interconnect through the hole; and encapsulating the integrated circuit device, the paddle, the first internal interconnect, and the external interconnect with the external interconnect partially exposed.
    Type: Application
    Filed: June 21, 2007
    Publication date: December 25, 2008
    Inventors: Lionel Chien Hui Tay, Zigmund Ramirez Camacho, Jairus Legaspi Pisigan
  • Patent number: 7466024
    Abstract: A semiconductor device comprises a microcomputer chip, an SDRAM which is disposed alongside the microcomputer chip and is thinner than the microcomputer chip, a tub, a plurality of inner leads and outer leads, first wires that connect pads of the microcomputer chip and pads of the SDRAM, and second wires which connect the pads of the microcomputer chip and the inner leads and which are disposed so as to bridge over the SDRAM and are formed with loops at positions higher than loops of the first wires. An interface circuit for a memory bus is connected only between the chips, without connecting to external terminals, and is closed within a package. Therefore, pins can be utilized for other functions correspondingly and a multi-pin configuration can be achieved. Further, the cost of an SIP (semiconductor device) can be reduced owing to the adoption of a frame type.
    Type: Grant
    Filed: October 16, 2006
    Date of Patent: December 16, 2008
    Assignee: Renesas Technology Corp.
    Inventors: Fujio Ito, Hiromichi Suzuki, Akihiko Kameoka, Noriaki Sakamoto
  • Patent number: 7466015
    Abstract: A supporting frame is used to solidly bridge to the two metallic contacts of a surface mount diode chip. Any bending or twisting stress between the two contacts is borne by the supporting frame instead of the diode chip. Otherwise the stress may damage the diode chip. wherein said supporting forms a cantilever over said first metallic contact and the overhanging end of the cantilever is glued to said second metallic contact.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: December 16, 2008
    Inventor: Jiahn-Chang Wu
  • Patent number: 7459770
    Abstract: A lead frame structure is provided, which includes a die pad having a first mounting portion and a second mounting portion separated from the first mounting portion by a gap. The first and second mounting portions are formed with corresponding blocking surfaces bordering the gap, so as to allow a flow rate of an encapsulating resin flowing through the gap during a molding process to be reduced by the blocking surfaces, such that different portions of the encapsulating resin respectively flowing above, in and below the die pad can have substantially the same flow rate, thereby preventing bonding wires from being deformed to cause short circuit and avoiding formation of voids. A semiconductor package with the lead frame structure is also provided.
    Type: Grant
    Filed: September 27, 2006
    Date of Patent: December 2, 2008
    Assignee: Siliconware Precision Industries Co., Ltd.
    Inventors: Wen-Shan Tsai, Chien-Feng Wei, Hung-Wen Liu, Ming Cheng Lin, Lien-Chen Chiang
  • Patent number: 7459765
    Abstract: A lead frame type of semiconductor apparatus includes a die pad on which a semiconductor chip is mounted; ground terminals which are to be grounded; power supply terminals which are connected to a power supply; inner leads connected to the ground terminals and power supply terminals, in which a pair of adjacent inner leads for power supply terminal and ground terminal are extended inwardly; a chip capacitor mounting pad which is provided at inner ends of the extended inner leads; and a chip capacitor which is mounted on the chip capacitor mounting pad so that a decoupling capacitor is provided.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: December 2, 2008
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Makoto Terui, Noritaka Anzai
  • Publication number: 20080290486
    Abstract: A leadframe package includes a die pad with four unitary, outwardly extending slender bars; a plurality of leads arranged along periphery of the die pad; a separate pad segment separated from the die pad and isolated from the plurality of leads; a semiconductor die mounted on an upper side of the die pad, wherein the semiconductor die contains first bond pads wire-bonded to respective the plurality of leads and a second bond pad wire-bonded to the separate pad segment; and a molding compound encapsulating the semiconductor die, the upper side of the die pad, the first suspended pad segment and inner portions of the plurality of leads.
    Type: Application
    Filed: July 22, 2008
    Publication date: November 27, 2008
    Inventors: Nan-Jang Chen, Hong-Chin Lin
  • Publication number: 20080290483
    Abstract: A structure of a semiconductor device is provided, where intervals can be narrowed between leads arranged around a semiconductor element to increase the number of leads, and electrical interference is prevented or reduced between the leads to cause no crosstalk between the leads. The semiconductor device of the present invention includes a semiconductor element and a plurality of leads arranged around the semiconductor element. The plurality of leads include a plurality of first leads and a plurality of second leads. The plurality of first leads are connected to electrode terminals of the semiconductor element through connection members. The plurality of second leads are arranged between the first leads and are not connected to the electrode terminals of the semiconductor element.
    Type: Application
    Filed: April 30, 2008
    Publication date: November 27, 2008
    Applicant: FUJITSU LIMITED
    Inventor: Takahiro YURINO
  • Patent number: 7456494
    Abstract: A surface mount electronic component includes a set of a first lead terminal 2a and a second lead terminal 3b, a semiconductor element 6a die-bonded to an island portion 4a integrally formed at an end of the first lead terminal, a metal wire 7a electrically connecting the semiconductor element and a bonding portion 5b integrally formed at an end of the second lead terminal to each other, and a package 8 made of synthetic resin and hermetically sealing the island portion and the bonding portion. The island portion and the bonding portion are formed by plastic deformation of a portion of each of the lead terminals to be positioned within the package from a lower surface side to reduce the thickness and increase the width.
    Type: Grant
    Filed: May 12, 2005
    Date of Patent: November 25, 2008
    Assignee: Rohm Co., Ltd.
    Inventor: Masahiko Kobayakawa
  • Publication number: 20080283979
    Abstract: A semiconductor package is disclosed that comprises a chip paddle and a semiconductor chip that has a plurality of bond pads. The semiconductor chip is located on an upper surface of the chip paddle. Leads are formed at intervals along the perimeter of the chip paddle. The leads are in electrical communication with the bond pads. The semiconductor chip, the chip paddle and the leads are encapsulated by an encapsulation material. The height of the semiconductor package of the invention is minimized by half etching the chip paddle to reduce the thickness of the chip paddle such that the thickness of the chip paddle is less than the thickness of the leads. Preferably, the chip paddle of the present invention is about 25-75% of the thickness of the leads.
    Type: Application
    Filed: November 29, 2007
    Publication date: November 20, 2008
    Inventors: Tae Heon Lee, Mu Hwan Seo
  • Patent number: 7449774
    Abstract: A semiconductor power module includes a lead frame having a first portion at a first level, a second portion surrounding the first portion at a second level, and a plurality of terminals connected to the second portion. The semiconductor power module further includes a power circuit mounted on a first surface of the first portion and an insulator having an electrically insulating property and thermal conductivity. The insulator is adjacent to a second surface of the first portion of the lead frame. The semiconductor power module further includes a sealer having an electrically insulating property that covers the power circuit and the control circuit.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: November 11, 2008
    Assignee: Fairchild Korea Semiconductor Ltd.
    Inventors: Gi-Young Jeun, O-Seob Jeun, Eun-Ho Lee, Seung-Won Lim
  • Patent number: 7446397
    Abstract: A leadless semiconductor package includes a lead frame, an adhesive, a chip, a plurality of first electrically conductive wires and a plurality of second electrically conductive wires. In this case, the lead frame has a chip paddle, a plurality of leads surrounding the chip paddle. The chip paddle has a cavity and a grounding area surrounding the cavity. The cavity has an opening, a bottom and a through hole, and the bottom is larger than the opening in size. The adhesive is disposed in the cavity. The chip have an active surface and a back surface opposed to the active surface, and the back surface is disposed in the cavity and is attached to the lead frame through the adhesive. The first electrically conductive wires electrically connect the leads and the chip. The second electrically conductive wires electrically connect the grounding area and the chip.
    Type: Grant
    Filed: July 31, 2006
    Date of Patent: November 4, 2008
    Assignee: Advanced Semiconductor Engineering, Inc.
    Inventor: Yung-Feng Gai
  • Publication number: 20080265396
    Abstract: A QFN package with improved joint solder thickness for improved second level attachment fatigue life. The copper leadframe of a QFN chip carrier is provided with rounded protrusions in both the chip attach pad region and the surrounding lead regions before second level attachment. The rounded stand-off protrusions are formed from the copper itself of the copper of the leadframe. This may be achieved by punching dimples into one surface of the copper plate of the leadframe before plating to form protrusions on the opposing surface. This method of forming the rounded protrusions simplifies the process of forming stand-offs. The protrusions provide a structure that increases wetting area and allows the use of a larger quantity of solder for increased solder joint thickness and better die paddle solder joint area coverage. As a result of the increased solder joint thickness, second level fatigue life is significantly improved.
    Type: Application
    Filed: June 30, 2008
    Publication date: October 30, 2008
    Applicant: International Business Machines Corporation
    Inventors: John J. Maloney, Robert M. Smith, Charles H. Wilson
  • Publication number: 20080265384
    Abstract: A semiconductor device package (10) with a substantially rectangular shape comprising: a die attach pad (12) having a top surface and a bottom surface; a plurality of contact pads (26i-26n) provided in at least four rows that correspond to the rectangular shape of the package, each contact pad having a top surface and a bottom surface; at least two tie bars (18) for supporting the die attach pad until the singulation of the package during manufacturing thereof the tie bars having a top surface and a bottom surface and extending from the die attach pad towards a corner of the package; —a semiconductor die (20) mounted on the top surface of the die attach pad (12) and having bonding pads (44) formed thereon; a plurality of electrical connections between selected ones of the bond pads (44) and corresponding ones of the contact pads (26i-26n); an encapsulation encapsulating the semiconductor die (20), the top surface of the die attach pad (12), the electrical connections, the top surface of the tie bars (18) and
    Type: Application
    Filed: February 15, 2006
    Publication date: October 30, 2008
    Applicant: NXP B.V.
    Inventor: Peter Adrianus Jacobus Dirks
  • Publication number: 20080258276
    Abstract: A method to assemble a non-leaded semiconductor package (1) comprises the following steps. A carrier tape (13) is attached to a metal foil (12). A plurality of leadframes (3) is formed in the metal foil (12), each leadframe (3) comprising a die pad (4) laterally surrounded by a plurality of contact leads (5). A semiconductor die (2), including an active surface with a plurality of die contact pads (7), is attached to each die attach pad (4) and electrically connected to the leadframe (3) by a plurality of bond wires (9) connecting the die contact pads (7) and the lead contact areas (6) of the contact leads (5). A plurality of leadframes (3), each including a wire bonded semiconductor die, are encapsulated with mold material (10). The carrier tape (13) is removed and the non-leaded semiconductor packages (1) separated.
    Type: Application
    Filed: February 26, 2004
    Publication date: October 23, 2008
    Applicant: INFINEON TECHNOLOGIES AG
    Inventors: Min Wee Low, Tian Siang Yip
  • Publication number: 20080251901
    Abstract: A stacked integrated circuit package system is provided providing a lead frame having a die paddle, attaching a first integrated circuit on the die paddle of the lead frame, connecting first electrical interconnects between the first integrated circuit and the lead frame, encapsulating the first integrated circuit and the first electrical interconnects with the lead frame directly on a bottom mold and clamped by a top mold, attaching a second integrated circuit on the die paddle of the first integrated circuit, connecting second electrical interconnects between the second integrated circuit and the lead frame, and encapsulating the second integrated circuit and the second electrical interconnects.
    Type: Application
    Filed: April 28, 2008
    Publication date: October 16, 2008
    Inventors: Zigmund Ramirez Camacho, Wong Sze Min, Arnel Trasporto, Jeffrey D. Punzalan
  • Patent number: 7436049
    Abstract: A semiconductor chip package with a lead frame having a plurality of leads formed along four sides of the lead frame and tie bars extending from an edge of each of the four sides, wherein bottom surfaces of the tie bars are recessed, a semiconductor chip which is adhered to the recessed surfaces of the tie bars, connectors which electrically connect a plurality of chip pads formed on an upper surface of the semiconductor chip with the plurality of leads, and an encapsulant which encapsulates the upper surface of the semiconductor chip, the connector and bonding portions of the connector.
    Type: Grant
    Filed: February 2, 2005
    Date of Patent: October 14, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Han-Shin Youn, Hyun-Ki Kim
  • Patent number: 7432588
    Abstract: A semiconductor device 100 comprises a leadframe 104 having an island portion 102; two chips of a first semiconductor chip 110 and a second semiconductor chip 120, respectively having top surfaces having, in the peripheral areas thereof, pad portions respectively having a plurality of first bonding pads 112 and second bonding pads 122 arranged therein and a back surface, being placed respectively on both surfaces of the island portion 102 of the leadframe 104 so as to oppose the back surface sides thereof to the island portion 102; and a mold resin 150 molding two these first semiconductor chip 110 and second semiconductor chip 120, wherein two these first semiconductor chip 110 and second semiconductor chip 120 have nearly same configurations of the pad portions; and two these semiconductor chips are arranged so as to shift the pad portions from each other.
    Type: Grant
    Filed: October 5, 2005
    Date of Patent: October 7, 2008
    Assignee: NEC Electronics Corporation
    Inventor: Naoto Kimura
  • Publication number: 20080230877
    Abstract: A semiconductor package and a method of fabricating the same. The method includes providing a semiconductor substrate on which a chip pad is formed. A wire redistribution layer connected to the chip pad is formed. An insulating layer which includes an opening exposing a portion of the wire redistribution layer is formed. A metal ink is applied within the opening to thereby form a bonding pad. The applied metal ink within the opening and the insulating layer can be cured simultaneously.
    Type: Application
    Filed: March 18, 2008
    Publication date: September 25, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyun-soo Chung, Dong-hyeon Jang, Son-kwan Hwang, Nam-seog Kim
  • Publication number: 20080224290
    Abstract: A leadframe with a structure made of a base metal (105), wherein the structure has a plurality of surfaces. On each of these surfaces are metal layers in a stack adherent to the base metal. The stack comprises a nickel layer (201) in contact with the base metal, a palladium layer (202) in contact with the nickel layer, and an outermost tin layer (203) in contact with the palladium layer. In terms of preferred layer thicknesses, the nickel layer is between about 0.5 and 2.0 ?m thick, the palladium layer between about 5 and 150 nm thick, and the tin layer less than about 5 nm thick, preferably about 3 nm. At this thinness, the tin has no capability of forming whiskers, but offers superb adhesion to polymeric encapsulation materials, improved characteristics for reliable stitch bonding as well as affinity to reflow metals (solders).
    Type: Application
    Filed: May 30, 2008
    Publication date: September 18, 2008
    Applicant: TEXAS INSTRUMENTS INCORPORATED
    Inventor: DONALD C. ABBOTT
  • Patent number: 7420265
    Abstract: An integrated circuit package system including an integrated circuit die, a leadframe and an integrated circuit support. The integrated circuit support between the integrated circuit die and the leadframe with the electrical interconnects connected to the leadframe.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: September 2, 2008
    Assignee: Stats Chippac Ltd.
    Inventors: Henry D. Bathan, Il Kwon Shim, Jeffrey D. Punzalan, Zigmund Ramirez Camacho
  • Patent number: 7414302
    Abstract: A lead frame is configured for use with a singulation apparatus that eliminates flash. A die pad is attached to sides of the frame by tie bars and peripheral portions. The peripheral portions have cutout sections defining openings that are bridged by lead frame segments. The apparatus applies a downward force to the lead frame segments and translates the downward force to a horizontal force applied to the tie bars. The singulation process confines movement of the lead frame metal to within the plane of the lead frame.
    Type: Grant
    Filed: August 8, 2006
    Date of Patent: August 19, 2008
    Assignee: Linear Technology Corporation
    Inventor: David Pruitt
  • Patent number: 7408241
    Abstract: A semiconductor device with surface-mountable outer contacts and to a process for producing it is disclosed. In one embodiment, surface-mountable outer contacts are arranged on outer contact connection surfaces on the underside of the semiconductor device. In their respective center region, the outer contact connection surfaces have at least one recess which has a dovetail-like profile, the areal extent of the recess being smaller than the maximum cross section of an outer contact. In a one process, the recess in the center region is achieved by selective deposition of correspondingly patterned metal layers.
    Type: Grant
    Filed: February 7, 2006
    Date of Patent: August 5, 2008
    Assignee: Infineon Technologies AG
    Inventors: Michael Bauer, Irmgard Escher-Poeppel, Edward Fuergut, Simon Jerebic, Holger Woerner
  • Publication number: 20080150106
    Abstract: A semiconductor package, and method of making a semiconductor package, with a plurality of dies, wherein one die is attached to an inverted lead frame and another die is attached to a substrate. The leadframe is then attached to the substrate. More specifically, the semiconductor package includes a substrate, a lead frame and a plurality of leads. The lead frame is attached to the top surface of the substrate. The bottom surface of a first die is attached to the top surface of the substrate and the first die is electrically connected to the substrate. The top surface of a second die is attached to the bottom die pad surface of the lead frame and the second die is electrically connected to the leadframe. An encapsulant covers at least a portion of the lead frame and substrate.
    Type: Application
    Filed: December 19, 2007
    Publication date: June 26, 2008
    Applicant: United Test and Assembly Center, Ltd.
    Inventors: Hsian Pang Kuah, Jenny Phua
  • Patent number: 7391120
    Abstract: A housing having a non-detachable bond to a micromechanical component using a flexible bonding material in particular. The combination including the housing and the micromechanical component as well as the manufacturing method of this combination. At least part of the component and/or of the housing has depressions for receiving the bonding material. These depressions may be designed as grooves, for example.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: June 24, 2008
    Assignee: Robert Bosch GmbH
    Inventor: Ronny Ludwig
  • Publication number: 20080136010
    Abstract: An integrated circuit (IC) package includes a substrate and an IC die mounted on a first side of the substrate. The IC package also includes a plurality of capacitors mounted on a second side of the substrate. The second side is opposite to the first side. The IC package further includes a plurality of conductive contact pads formed on the second side of the substrate and interspersed among the capacitors. Other embodiments are described and claimed.
    Type: Application
    Filed: January 30, 2008
    Publication date: June 12, 2008
    Inventors: Dustin P. Wood, Kaladhar Radhakrishnan
  • Publication number: 20080135994
    Abstract: A low dropout (LDO) regulator device includes an LDO regulator integrated circuit housed in a 4-pin quad flat no-lead (QFN) package where the exposed die paddle is used as the ground terminal. The LDO regulator integrated circuit is formed on a semiconductor substrate. The 4-pin QFN package includes four perimeter lands connected to the input terminal, the output terminal, the enable terminal and the bypass terminal of the LDO regulator integrated circuit. The die paddle is to be electrically connected to a ground potential to allow the ground current of the LDO regulator integrated circuit to flow through the substrate and the die paddle of the 4-pin QFN package.
    Type: Application
    Filed: November 17, 2006
    Publication date: June 12, 2008
    Applicant: MICREL, INC.
    Inventors: George Chu, Martin Alter
  • Publication number: 20080121921
    Abstract: A modular package for a light emitting device includes a leadframe having a top surface and including a central region having a bottom surface and having a first thickness between the top surface of the leadframe and the bottom surface of the central region. The leadframe may further include an electrical lead extending away from the central region. The electrical lead has a bottom surface and has a second thickness from the top surface of the leadframe to the bottom surface of the electrical lead. The second thickness may be less than the first thickness. The package further includes a package body on the leadframe surrounding the central region and exposing the bottom surface of the central region. The package body may be at least partially provided beneath the bottom surface of the lead and adjacent the bottom surface of the central region. Methods of forming modular packages and leadframes are also disclosed.
    Type: Application
    Filed: July 13, 2006
    Publication date: May 29, 2008
    Inventors: Ban P. Loh, Bernd Keller, Nicholas W. Medendorp
  • Publication number: 20080111220
    Abstract: A circuit board assembled with an electronic package having a first and a second inner leads is provided. The first inner lead has a first and a second ends. The circuit board includes an insulating layer, a first pad, a second pad, an extension portion, a conductive via, and a ground layer. The first and the second pads are disposed on the insulating layer. The first end of the first inner lead is electrically connected to the second pad. The extension portion disposed on the insulating layer is electrically connected to the first pad and extends to the position under the second end of the first inner lead. The conductive via passing through the insulating layer is electrically connected to the extension portion and under the second end of the first inner lead. The ground layer disposed on the insulating layer is electrically connected to the conductive via.
    Type: Application
    Filed: January 18, 2007
    Publication date: May 15, 2008
    Applicant: VIA TECHNOLOGIES, INC.
    Inventors: Sheng-Yuan Lee, Hsiao-Chu Lin
  • Publication number: 20080111218
    Abstract: An integrated circuit package system is provided including forming a paddle having holes with a hole size in a range about tens to hundreds of micrometers, mounting a device over the paddle, and filling an encapsulation in the holes.
    Type: Application
    Filed: November 9, 2006
    Publication date: May 15, 2008
    Applicant: STATS CHIPPAC LTD.
    Inventor: Lionel Chien Hui Tay
  • Patent number: 7345357
    Abstract: An integrated circuit package having a die pad with a first face and a second face, a plurality of inner leads, and a plurality of sides between the first face and the second face. The plurality of inner leads is disposed substantially co-planer with and substantially around the die pad. The package also comprises a plurality of outer leads disposed substantially co-planar with and substantially around the plurality of inner leads and the die pad, so that the sides of each of the plurality of outer leads are offset from the sides of each of the plurality of inner leads. A first adhesive layer disposed on the first face of the die pad and a second adhesive layer disposed on the first faces of each of the plurality of inner leads. An IC chip is coupled to the first face of the die pad through the first adhesive layer and to the plurality of inner leads through the second adhesive layer. The package further comprises wires linking the inner leads and outer leads to the IC chip.
    Type: Grant
    Filed: August 17, 2005
    Date of Patent: March 18, 2008
    Assignee: United Test and Assembly Center Ltd.
    Inventors: Hien Boon Tan, Anthony Yi Sheng Sun
  • Patent number: 7332806
    Abstract: A semiconductor die package. It includes (a) a semiconductor die including a first surface and a second surface, (b) a source lead structure including protruding region having a major surface, the source lead structure being coupled to the first surface, (c) a gate lead structure being coupled to the first surface, and (d) a molding material around the source lead structure and the semiconductor die. The molding material exposes the second surface of the semiconductor die and the major surface of the source lead structure.
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: February 19, 2008
    Assignee: Fairchild Semiconductor Corporation
    Inventors: Rajeev Joshi, Chung-Lin Wu