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Inventor:
Lee; Teck Kheng
Address:
Singapore, SG
No. of patents:
40
Patents:




Patent Number Title Of Patent Date Issued
7622377 Microfeature workpiece substrates having through-substrate vias, and associated methods of forma November 24, 2009
Microfeature workpiece substrates having through-substrate vias, and associated methods of formation are disclosed. A method in accordance with one embodiment for forming a support substrate for carrying microfeature dies includes exposing a support substrate to an electrolyte, with
7612436 Packaged microelectronic devices with a lead frame November 3, 2009
Packaged microelectronic devices and methods for manufacturing packaged microelectronic devices are disclosed herein. In one embodiment, a packaged microelectronic device can include a support member and at least one die in a stacked configuration attached to the support member. The
7569473 Methods of forming semiconductor assemblies August 4, 2009
Apparatus and methods are disclosed relating to semiconductor assemblies. A semiconductor assembly includes an interposer which may be constructed from a flexible material, such as a polyimide tape. A pattern of conductive traces disposed on a first surface of the interposer is in el
7553699 Method of fabricating microelectronic devices June 30, 2009
Microelectronic devices and methods for manufacturing microelectronic devices are disclosed herein. An embodiment of one such method includes forming a plurality of through holes in a substrate with the through holes arranged in arrays, and attaching a plurality of singulated microel
7534660 Methods for assembly and packaging of flip chip configured dice with interposer May 19, 2009
A method for assembly and packaging of one or more flip chip-configured semiconductor dice with an interposer substrate to form a flip chip-type semiconductor device assembly. The flip chip-type semiconductor device assembly includes a conductively bumped semiconductor die and an int
7531906 Flip chip packaging using recessed interposer terminals May 12, 2009
A method and apparatus for packaging a semiconductor die with an interposer substrate. A semiconductor device assembly includes a conductively bumped semiconductor die and an interposer substrate having multiple recesses formed therein. The semiconductor die is mounted to the interpo
7521794 Intrinsic thermal enhancement for FBGA package April 21, 2009
A semiconductor device for dissipating heat generated by a die during operation and having a low height profile, a semiconductor die package incorporating the device, and methods of fabricating the device and package are provided. In one embodiment, the semiconductor device comprises
7494889 Method of manufacturing an interposer including at least one passive element at least partially February 24, 2009
An interposer for assembly with a semiconductor die and methods of manufacture are disclosed. The interposer may include at least one passive element at least partially defined by at least one recess formed in at least one dielectric layer of the interposer. The at least one recess m
7459346 Intrinsic thermal enhancement for FBGA package December 2, 2008
A semiconductor device for dissipating heat generated by a die during operation and having a low height profile, a semiconductor die package incorporating the device, and methods of fabricating the device and package are provided. In one embodiment, the semiconductor device comprises
7422978 Methods of manufacturing interposers with flexible solder pad elements September 9, 2008
Various embodiments of an interposer for mounting a semiconductor die, as well as methods for forming the interposer, are disclosed. The interposer includes flexible solder pad elements that are formed from a core material of the interposer, such that the interposer may absorb thermally
7397129 Interposers with flexible solder pad elements July 8, 2008
Various embodiments of an interposer for mounting a semiconductor die, as well as methods for forming the interposer, are disclosed. The interposer includes flexible solder pad elements that are formed from a core material of the interposer, such that the interposer may absorb thermally
7354795 Methods for packaging and encapsulating semiconductor device assemblies that include tape substr April 8, 2008
Packaging and encapsulation methods include use of a tape substrate with a mold gate that includes an aperture and a support element that extends over at least a portion of the aperture. The tape substrate may be part of a strip. A semiconductor device is secured and electrically connect
7348215 Methods for assembly and packaging of flip chip configured dice with interposer March 25, 2008
A method for assembly and packaging of one or more flip chip-configured semiconductor dice with an interposer substrate to form a flip chip-type semiconductor device assembly. The flip chip-type semiconductor device assembly includes a conductively bumped semiconductor die and an int
7320933 Double bumping of flexible substrate for first and second level interconnects January 22, 2008
An apparatus and method for improving the yield and reducing the cost of forming a semiconductor device assembly. An interposer substrate is formed with interconnections in the form of conductive bumps on both a first surface and a second surface to provide a respective first level i
7294911 Ultrathin leadframe BGA circuit package November 13, 2007
A circuit package is formed using a leadframe. The leadframe is formed or etched to align a plurality of bond pad structures above a reference plane while supporting leadframe fingers are positioned below the reference plane. Jumper wires are wirebonded between terminals on the die a
7250687 Systems for degating packaged semiconductor devices with tape substrates July 31, 2007
A system for degating a packaged semiconductor device that includes a tape substrate includes a first element and a second element. The first element of the system is positionable adjacent to a first major surface of the packaged semiconductor device and includes a receptacle for rec
7230330 Semiconductor die packages with recessed interconnecting structures June 12, 2007
Apparatus and methods relating to semiconductor assemblies. A semiconductor assembly includes an interposer which may be constructed from a flexible material, such as a polyimide tape. A pattern of conductive traces disposed on a first surface of the interposer is in electrical commu
7190081 Mold gates and tape substrates including the mold gates March 13, 2007
A mold gate of a tape substrate includes an aperture formed in the flexible dielectric film of the tape substrate and a support element which is carried by a surface of the flexible dielectric film. The aperture of the mold gate may be formed by die cutting or etching processes. The
7189593 Elimination of RDL using tape base flip chip on flex for die stacking March 13, 2007
A flexible film interposer for stacking a flip chip semiconductor die onto a second (bottom) semiconductor die, semiconductor devices and stacked die assemblies that incorporate the flexible film interposer, and methods of fabricating the devices and assemblies are provided. The incorpor
7183134 Ultrathin leadframe BGA circuit package February 27, 2007
A circuit package is formed using a leadframe. The leadframe is formed or etched to align a plurality of bond pad structures above a reference plane while supporting leadframe fingers are positioned below the reference plane. Jumper wires are wirebonded between terminals on the die a
7161237 Flip chip packaging using recessed interposer terminals January 9, 2007
A method and apparatus for packaging a semiconductor die with an interposer substrate. The semiconductor device assembly includes a conductively bumped semiconductor die and an interposer substrate having multiple recesses formed therein. The semiconductor die is mounted to the inter
7145225 Interposer configured to reduce the profiles of semiconductor device assemblies and packages inc December 5, 2006
An interposer includes a substrate, first and second sets of contact pads carried by the substrate, and receptacles formed in a surface of the substrate and exposing contact pads of the second set. The interposer may also include conductive traces carried by the substrate to electrically
7138711 Intrinsic thermal enhancement for FBGA package November 21, 2006
A semiconductor device for dissipating heat generated by a die during operation and having a low height profile, a semiconductor die package incorporating the device, and methods of fabricating the device and package are provided. In one embodiment, the semiconductor device comprises
7129584 Elimination of RDL using tape base flip chip on flex for die stacking October 31, 2006
A flexible film interposer for stacking a flip chip semiconductor die onto a second (bottom) semiconductor die, semiconductor devices and stacked die assemblies that incorporate the flexible film interposer, and methods of fabricating the devices and assemblies are provided. The incorpor
7122907 Interposer substrate and wafer scale interposer substrate member for use with flip-chip configur October 17, 2006
A method and apparatus for increasing the integrated circuit density in a flip chip semiconductor device assembly and decreasing the time for dielectrically filling such assembly using less dielectric material. The semiconductor device assembly includes a conductively bumped semicond
7112520 Semiconductor die packages with recessed interconnecting structures and methods for assembling t September 26, 2006
Apparatus and methods relating to semiconductor assemblies. A semiconductor assembly includes an interposer which may be constructed from a flexible material, such as a polyimide tape. A pattern of conductive traces disposed on a first surface of the interposer is in electrical commu
7112048 BOC BGA package for die with I-shaped bond pad layout September 26, 2006
Semiconductor die units for forming BOC BGA packages, methods of encapsulating a semiconductor die unit, a mold for use in the method, and resulting encapsulated packages are provided. In particular, the invention provides a semiconductor die unit comprising an integrated circuit die
7105918 Interposer with flexible solder pad elements and methods of manufacturing the same September 12, 2006
Various embodiments of an interposer for mounting a semiconductor die, as well as methods for forming the interposer, are disclosed. The interposer includes flexible solder pad elements that are formed from a core material of the interposer, such that the interposer may absorb thermally
7087994 Microelectronic devices including underfill apertures August 8, 2006
Supports (40) of microelectronic devices (10) are provided with underfill apertures (60) which facilitate filling underfill gaps (70) with underfill material (74). The underfill aperture may have a longer first dimension (62) and a shorter second dimension (64). In some embodiments,
7087460 Methods for assembly and packaging of flip chip configured dice with interposer August 8, 2006
A method for assembly and packaging of one or more flip chip-configured semiconductor dice with an interposer substrate to form a flip chip-type semiconductor device assembly. The flip chip-type semiconductor device assembly includes a conductively bumped semiconductor die and an int
7057297 Tape substrates with mold gate support structures that are coplanar with conductive traces there June 6, 2006
A mold gate of a tape substrate includes an aperture formed in the flexible dielectric film of the tape substrate and a support element which is carried by a surface of the flexible dielectric film, is substantially coplanar with conductive traces carried by the flexible dielectric f
7005316 Method for package reduction in stacked chip and board assemblies February 28, 2006
A method and apparatus for assembling semiconductor die-carrying interposer substrates in a stacked configuration. Each interposer substrate bears at least one die mounted by its active surface to a surface of the interposer substrate and wire bonded to terminals on the opposing subs
6975035 Method and apparatus for dielectric filling of flip chip on interposer assembly December 13, 2005
A method and apparatus for increasing the integrated circuit density in a flip chip semiconductor device assembly and decreasing the time for dielectrically filling such assembly using less dielectric material. The semiconductor device assembly includes a conductively bumped semiconducto
6940179 Innovative solder ball pad structure to ease design rule, methods of fabricating same and substr September 6, 2005
A solder ball pad is provided for mounting and connecting of electronic devices and, more particularly, apparatus and methods are disclosed providing an improved solder ball pad structure on a substrate, such as a printed circuit board ("PCB") or a semiconductor die, while enabling b
6787917 Apparatus for package reduction in stacked chip and board assemblies September 7, 2004
An electronic device package having semiconductor die-carrying interposer substrates in a stacked configuration. Each interposer substrate bears at least one die mounted by its active surface to a surface of the interposer substrate and wire bonded to terminals on the opposing substrate
6762503 Innovative solder ball pad structure to ease design rule, methods of fabricating same and substr July 13, 2004
A solder ball pad for mounting and connecting of electronic devices and, more particularly, apparatus and methods providing an improved solder ball pad structure on a substrate, such as a printed circuit board ("PCB") or a semiconductor die, while enabling better use of the spaces betwee
6756251 Method of manufacturing microelectronic devices, including methods of underfilling microelectron June 29, 2004
Supports (40) of microelectronic devices (10) are provided with underfill apertures (60) which facilitate filling underfill gaps (70) with underfill material (74). The underfill aperture may have a longer first dimension (62) and a shorter second dimension (64). In some embodiments, a me
6720666 BOC BGA package for die with I-shaped bond pad layout April 13, 2004
Semiconductor die units for forming BOC BGA packages, methods of encapsulating a semiconductor die unit, a mold for use in the method, and resulting encapsulated packages are provided. In particular, the invention provides a semiconductor die unit comprising an integrated circuit die
6692987 BOC BGA package for die with I-shaped bond pad layout February 17, 2004
Semiconductor die units for forming BOC BGA packages, methods of encapsulating a semiconductor die unit, a mold for use in the method, and resulting encapsulated packages are provided. In particular, the invention provides a semiconductor die unit comprising an integrated circuit die
6583502 Apparatus for package reduction in stacked chip and board assemblies June 24, 2003
A method and apparatus for assembling semiconductor die-carrying interposer substrates in a stacked configuration. Each interposer substrate bears at least one die mounted by its active surface to a surface of the substrate and wire bonded to terminals on the opposing substrate surface t


 
 
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