TW200735316A - Leadframe based flash memory cards - Google Patents

Leadframe based flash memory cards

Info

Publication number
TW200735316A
TW200735316A TW095149569A TW95149569A TW200735316A TW 200735316 A TW200735316 A TW 200735316A TW 095149569 A TW095149569 A TW 095149569A TW 95149569 A TW95149569 A TW 95149569A TW 200735316 A TW200735316 A TW 200735316A
Authority
TW
Taiwan
Prior art keywords
leadframe
singulated
curvilinear
flash memory
memory cards
Prior art date
Application number
TW095149569A
Other languages
English (en)
Other versions
TWI335656B (en
Inventor
Hem Takiar
Shrikar Bhagath
Original Assignee
Sandisk Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sandisk Corp filed Critical Sandisk Corp
Publication of TW200735316A publication Critical patent/TW200735316A/zh
Application granted granted Critical
Publication of TWI335656B publication Critical patent/TWI335656B/zh

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/48Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/488Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/495Lead-frames or other flat leads
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/48Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/488Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/495Lead-frames or other flat leads
    • H01L23/49541Geometry of the lead-frame
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/0772Physical layout of the record carrier
    • G06K19/07732Physical layout of the record carrier the record carrier having a housing or construction similar to well-known portable memory devices, such as SD cards, USB or memory sticks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/28Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
    • H01L23/31Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
    • H01L23/3107Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/48Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/48Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/488Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/495Lead-frames or other flat leads
    • H01L23/49575Assemblies of semiconductor devices on lead frames
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/02Bonding areas; Manufacturing methods related thereto
    • H01L2224/04Structure, shape, material or disposition of the bonding areas prior to the connecting process
    • H01L2224/05Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
    • H01L2224/0554External layer
    • H01L2224/0555Shape
    • H01L2224/05552Shape in top view
    • H01L2224/05553Shape in top view being rectangular
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/26Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
    • H01L2224/31Structure, shape, material or disposition of the layer connectors after the connecting process
    • H01L2224/32Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
    • H01L2224/321Disposition
    • H01L2224/32135Disposition the layer connector connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
    • H01L2224/32145Disposition the layer connector connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being stacked
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/4805Shape
    • H01L2224/4809Loop shape
    • H01L2224/48091Arched
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/481Disposition
    • H01L2224/48151Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
    • H01L2224/48221Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
    • H01L2224/48245Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
    • H01L2224/48247Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L24/00Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L24/42Wire connectors; Manufacturing methods related thereto
    • H01L24/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L24/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/00014Technical content checked by a classifier the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01Chemical elements
    • H01L2924/01046Palladium [Pd]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01Chemical elements
    • H01L2924/01079Gold [Au]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/10Details of semiconductor or other solid state devices to be connected
    • H01L2924/11Device type
    • H01L2924/14Integrated circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/10Details of semiconductor or other solid state devices to be connected
    • H01L2924/11Device type
    • H01L2924/14Integrated circuits
    • H01L2924/143Digital devices
    • H01L2924/1433Application-specific integrated circuit [ASIC]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/151Die mounting substrate
    • H01L2924/156Material
    • H01L2924/157Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
    • H01L2924/15738Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950 C and less than 1550 C
    • H01L2924/15747Copper [Cu] as principal constituent
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/181Encapsulation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/181Encapsulation
    • H01L2924/1815Shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Lead Frames For Integrated Circuits (AREA)
TW095149569A 2005-12-29 2006-12-28 Leadframe based flash memory cards TWI335656B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/321,350 US7488620B2 (en) 2005-12-29 2005-12-29 Method of fabricating leadframe based flash memory cards including singulation by straight line cuts

Publications (2)

Publication Number Publication Date
TW200735316A true TW200735316A (en) 2007-09-16
TWI335656B TWI335656B (en) 2011-01-01

Family

ID=38171274

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095149569A TWI335656B (en) 2005-12-29 2006-12-28 Leadframe based flash memory cards

Country Status (6)

Country Link
US (2) US7488620B2 (zh)
EP (1) EP1969628A2 (zh)
KR (1) KR101015268B1 (zh)
CN (3) CN103035606B (zh)
TW (1) TWI335656B (zh)
WO (1) WO2007079125A2 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI421904B (zh) * 2010-06-29 2014-01-01 Toshiba Kk Semiconductor memory device and manufacturing method thereof
TWI508268B (zh) * 2011-07-13 2015-11-11 Powertech Technology Inc 無基板之快閃記憶卡之製造方法

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080185694A1 (en) * 1999-08-04 2008-08-07 Super Talent Electronics, Inc. Processes of Manufacturing Portable Electronic Storage Devices Utilizing Lead Frame Connectors
US7488620B2 (en) * 2005-12-29 2009-02-10 Sandisk Corporation Method of fabricating leadframe based flash memory cards including singulation by straight line cuts
US20070152071A1 (en) * 2006-01-05 2007-07-05 En-Min Jow Package method for flash memory card and structure thereof
US20070164120A1 (en) * 2006-01-19 2007-07-19 En-Min Jow Forming method of Micro SD card
JP4945682B2 (ja) * 2010-02-15 2012-06-06 株式会社東芝 半導体記憶装置およびその製造方法
US8446728B1 (en) * 2011-01-03 2013-05-21 Wade S. McDonald Flash memory card carrier
US8575739B2 (en) * 2011-05-06 2013-11-05 Sandisk Technologies Inc. Col-based semiconductor package including electrical connections through a single layer leadframe
DE102011106104B4 (de) 2011-06-09 2014-04-10 Otto Bock Healthcare Products Gmbh Verfahren zum Herstellen bestückter Leiterplatten
JP2013025540A (ja) * 2011-07-20 2013-02-04 Toshiba Corp 半導体記憶装置
US20130069223A1 (en) * 2011-09-16 2013-03-21 Hui-Chang Chen Flash memory card without a substrate and its fabrication method
US8368192B1 (en) * 2011-09-16 2013-02-05 Powertech Technology, Inc. Multi-chip memory package with a small substrate
JP5740372B2 (ja) * 2012-09-12 2015-06-24 株式会社東芝 半導体メモリカード
USD730907S1 (en) * 2014-05-02 2015-06-02 Samsung Electronics Co., Ltd. Memory card
USD730910S1 (en) * 2014-05-02 2015-06-02 Samsung Electronics Co., Ltd. Memory card
USD730908S1 (en) * 2014-05-02 2015-06-02 Samsung Electronics Co., Ltd. Memory card
USD730909S1 (en) * 2014-06-27 2015-06-02 Samsung Electronics Co., Ltd. Memory card
USD727912S1 (en) * 2014-06-27 2015-04-28 Samsung Electronics Co., Ltd. Memory card
USD727911S1 (en) * 2014-06-27 2015-04-28 Samsung Electronics Co., Ltd. Memory card
USD729251S1 (en) * 2014-06-27 2015-05-12 Samsung Electronics Co., Ltd. Memory card
USD727913S1 (en) * 2014-06-27 2015-04-28 Samsung Electronics Co., Ltd. Memory card
USD736215S1 (en) * 2014-07-01 2015-08-11 Samsung Electronics Co., Ltd. Memory card
USD736214S1 (en) * 2014-07-01 2015-08-11 Samsung Electronics Co., Ltd. Memory card
USD736212S1 (en) * 2014-07-01 2015-08-11 Samsung Electronics Co., Ltd. Memory card
KR102284655B1 (ko) * 2014-07-02 2021-08-03 삼성전자 주식회사 메모리 카드
USD727910S1 (en) * 2014-07-02 2015-04-28 Samsung Electronics Co., Ltd. Memory card
US10157678B2 (en) 2014-08-12 2018-12-18 Samsung Electronics Co., Ltd. Memory card
KR102420587B1 (ko) 2014-08-12 2022-07-14 삼성전자주식회사 메모리 카드
USD798868S1 (en) * 2015-08-20 2017-10-03 Isaac S. Daniel Combined subscriber identification module and storage card
USD773466S1 (en) * 2015-08-20 2016-12-06 Isaac S. Daniel Combined secure digital memory and subscriber identity module
USD783622S1 (en) * 2015-08-25 2017-04-11 Samsung Electronics Co., Ltd. Memory card
USD783621S1 (en) * 2015-08-25 2017-04-11 Samsung Electronics Co., Ltd. Memory card
USD772232S1 (en) * 2015-11-12 2016-11-22 Samsung Electronics Co., Ltd. Memory card
USD773467S1 (en) * 2015-11-12 2016-12-06 Samsung Electronics Co., Ltd. Memory card
US20180088628A1 (en) * 2016-09-28 2018-03-29 Intel Corporation Leadframe for surface mounted contact fingers
US10366946B2 (en) 2017-10-30 2019-07-30 Infineon Technologies Ag Connection member with bulk body and electrically and thermally conductive coating
WO2019138260A1 (en) * 2018-01-12 2019-07-18 Linxens Holding Method for manufacturing a sim card and sim card
USD934868S1 (en) * 2018-02-28 2021-11-02 Sony Corporation Memory card

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5652185A (en) 1995-04-07 1997-07-29 National Semiconductor Corporation Maximized substrate design for grid array based assemblies
KR100309161B1 (ko) * 1999-10-11 2001-11-02 윤종용 메모리 카드 및 그 제조방법
IT1320025B1 (it) 2000-04-10 2003-11-12 Viasystems S R L Supporto del tipo a circuito stampato per circuiti elettroniciintegrati, procedimento per la sua fabbricazione, e componente
KR20020007877A (ko) 2000-07-19 2002-01-29 마이클 디. 오브라이언 반도체 패키지 제조용 부재
US6624005B1 (en) * 2000-09-06 2003-09-23 Amkor Technology, Inc. Semiconductor memory cards and method of making same
US6444501B1 (en) * 2001-06-12 2002-09-03 Micron Technology, Inc. Two stage transfer molding method to encapsulate MMC module
JP2003124421A (ja) * 2001-10-15 2003-04-25 Shinko Electric Ind Co Ltd リードフレーム及びその製造方法並びに該リードフレームを用いた半導体装置の製造方法
US7094633B2 (en) 2003-06-23 2006-08-22 Sandisk Corporation Method for efficiently producing removable peripheral cards
US6858470B1 (en) 2003-10-08 2005-02-22 St Assembly Test Services Ltd. Method for fabricating semiconductor packages, and leadframe assemblies for the fabrication thereof
US6933592B2 (en) 2003-12-19 2005-08-23 Global Advanced Packaging Technology H.K. Limited Substrate structure capable of reducing package singular stress
US7485501B2 (en) * 2005-11-02 2009-02-03 Sandisk Corporation Method of manufacturing flash memory cards
US7488620B2 (en) 2005-12-29 2009-02-10 Sandisk Corporation Method of fabricating leadframe based flash memory cards including singulation by straight line cuts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI421904B (zh) * 2010-06-29 2014-01-01 Toshiba Kk Semiconductor memory device and manufacturing method thereof
TWI508268B (zh) * 2011-07-13 2015-11-11 Powertech Technology Inc 無基板之快閃記憶卡之製造方法

Also Published As

Publication number Publication date
US7795715B2 (en) 2010-09-14
WO2007079125A3 (en) 2007-10-04
US7488620B2 (en) 2009-02-10
US20090134502A1 (en) 2009-05-28
KR20080085902A (ko) 2008-09-24
CN103035606B (zh) 2016-01-06
CN101847584B (zh) 2012-10-03
WO2007079125A2 (en) 2007-07-12
TWI335656B (en) 2011-01-01
US20070155046A1 (en) 2007-07-05
EP1969628A2 (en) 2008-09-17
KR101015268B1 (ko) 2011-02-18
CN101351883A (zh) 2009-01-21
CN101847584A (zh) 2010-09-29
CN103035606A (zh) 2013-04-10

Similar Documents

Publication Publication Date Title
TW200735316A (en) Leadframe based flash memory cards
TWI319604B (en) Method of manufacturing flash memory cards
TW200636954A (en) Thermally enhanced semiconductor package and fabrication method thereof
TWI317991B (en) Semiconductor package with flip chip on leadframe
WO2004073031A3 (en) Alternative flip chip in leaded molded package design and method for manufacture
TW200735167A (en) Method of assembling semiconductor devices with LEDs
TW200729442A (en) Semiconductor die package using leadframe and clip and method of manufacturing
MY159064A (en) Semiconductor die package and method for making the same
TW200601577A (en) Structurally-enhanced integrated circuit package and method of manufacture
EP2779237A3 (en) A chip arrangement and a method for manufacturing a chip arrangement
TW200644060A (en) Semiconductor device for accommodating large chip, fabrication method thereof, and carrier used in the semiconductor device
MY136323A (en) Lead frame, method of manufacturing the same, and method of manufacturing a semiconductor device using the same
TW200611384A (en) Three dimensional package and packaging method for integrated circuits
TW200504988A (en) Semiconductor device and lead frame
WO2008042932A3 (en) Interdigitated leadfingers
SG149724A1 (en) Semicoductor dies with recesses, associated leadframes, and associated systems and methods
TW200644196A (en) Method for forimg wafer-level heat spreader structure and packaging structure thereof
USRE43818E1 (en) Fabrication of an integrated circuit package
WO2006074312A3 (en) Dual flat non-leaded semiconductor package
TW200741897A (en) Strip for integrated circuit packages having a maximized usable area
WO2008067249A3 (en) Chip on leads
DE10343084A1 (de) Halbleiterwafer und Verfahren zu dessen Vereinzelung
TW200516730A (en) Semiconductor package and method thereof
TW200725716A (en) Wafer level packaging process
SG117465A1 (en) Semiconductor package having grooves formed at side flash, groove forming method, and deflashing method using semiconductor package formed with grooves

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees