Patents Assigned to UTAC Thai Limited
  • Patent number: 9922914
    Abstract: A semiconductor package includes terminals, each having an exposed surface that is flush with a bottom surface of the semiconductor package, and a layer of interconnection routings disposed within the semiconductor package. At least one interconnection routing is electrically coupled with a terminal and extends planarly therefrom. The semiconductor package also includes at least one die coupled with the layer of interconnection routings. In some embodiments, the semiconductor package also includes one or more additional intermediary layers. Each intermediary layer includes a via layer and an associated routing layer. The associated routing layer includes associated routings. At least one associated routing is electrically coupled with a terminal and extends planarly therefrom. Each via layer couples two routing layers. The semiconductor package also includes a locking mechanism for fastening a package compound with the interconnection routings and the terminals.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: March 20, 2018
    Assignee: UTAC THAI LIMITED
    Inventor: Saravuth Sirinorakul
  • Patent number: 9922913
    Abstract: A semiconductor package includes terminals, each having an exposed surface that is flush with a bottom surface of the semiconductor package, and a layer of interconnection routings disposed within the semiconductor package. At least one interconnection routing is electrically coupled with a terminal and extends planarly therefrom. The semiconductor package also includes at least one die coupled with the layer of interconnection routings. In some embodiments, the semiconductor package also includes one or more additional intermediary layers. Each intermediary layer includes a via layer and an associated routing layer. The associated routing layer includes associated routings. At least one associated routing is electrically coupled with a terminal and extends planarly therefrom. Each via layer couples two routing layers. The semiconductor package also includes a locking mechanism for fastening a package compound with the interconnection routings and the terminals.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: March 20, 2018
    Assignee: UTAC THAI LIMITED
    Inventor: Saravuth Sirinorakul
  • Patent number: 9899208
    Abstract: A process for forming land grid array semiconductor packages includes a leadframe that is supported by a substrate comprising mold compound. In some embodiments, at least one die is electrically coupled to the leadframe by bondwires. The package comprises a second mold compound to act as an encapsulant. An apparatus for forming a land grid array semiconductor package includes means for molding a leadframe, assembling thereon at least one semiconductor device, applying a second mold, and singulating to form individual devices. A land grid array package comprises a leadframe, a substrate for supporting the leadframe, at least one semiconductor device and a mold compound.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: February 20, 2018
    Assignee: UTAC THAI LIMITED
    Inventors: Somchai Nondhasitthichai, Saravuth Sirinorakul
  • Patent number: 9818676
    Abstract: A method of singulating semiconductor packages, the method comprising: providing a plurality of semiconductor dies coupled to a single common leadframe, wherein a molding compound at least partially encases the semiconductor dies and the leadframe; singulating the plurality of semiconductor dies, wherein the leadframe is at least partially cut between adjacent semiconductor dies, thereby forming exposed side surfaces on leads of the leadframe; and plating the exposed side surfaces of the leads with a plating material, wherein the plating material is a different material than the leads. In some embodiments, singulating the plurality of semiconductor dies comprises performing a full cut of the leadframe. In some embodiments, singulating the plurality of semiconductor dies comprises performing separate partial cuts of the leadframe.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: November 14, 2017
    Assignee: UTAC THAI LIMITED
    Inventors: Saravuth Sirinorakul, Somchai Nondhasitthichai
  • Patent number: 9761435
    Abstract: A process for forming a semiconductor package. The process comprises forming a first leadframe strip mounted upon an adhesive tape. The first leadframe strip is at least partially encased in a first mold compound thereby forming a molded leadframe strip. At least one flip chip semiconductor device is mounted on the molded leadframe strip. The semiconductor device has conductive masses attached thereon to effectuate electrical contact between the semiconductor device and the molded leadframe. The conductive masses can be substantially spherical or cylindrical. Liquid encapsulant is dispensed on the semiconductor device to encapsulate the flip chip semiconductor device. A cavity is formed between the semiconductor device and the molded leadframe. The molded leadframe strip, the semiconductor device, and the conductive masses are at least partially encased in a second mold compound.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: September 12, 2017
    Assignee: UTAC THAI LIMITED
    Inventors: Saravuth Sirinorakul, Somchai Nondhasitthichai
  • Patent number: 9711343
    Abstract: A process for forming land grid array semiconductor packages includes a leadframe that is supported by a substrate comprising mold compound. In some embodiments, at least one die is electrically coupled to the leadframe by bondwires. The package comprises a second mold compound to act as an encapsulant. An apparatus for forming a land grid array semiconductor package includes means for molding a leadframe, assembling thereon at least one semiconductor device, applying a second mold, and singulating to form individual devices. A land grid array package comprises a leadframe, a substrate for supporting the leadframe, at least one semiconductor device and a mold compound.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: July 18, 2017
    Assignee: UTAC THAI LIMITED
    Inventors: Somchai Nondhasitthichai, Saravuth Sirinorakul
  • Publication number: 20160300783
    Abstract: A semiconductor package includes terminals, each having an exposed surface that is flush with a bottom surface of the semiconductor package, and a layer of interconnection routings disposed within the semiconductor package. At least one interconnection routing is electrically coupled with a terminal and extends planarly therefrom. The semiconductor package also includes at least one die coupled with the layer of interconnection routings. In some embodiments, the semiconductor package also includes one or more additional intermediary layers. Each intermediary layer includes a via layer and an associated routing layer. The associated routing layer includes associated routings. At least one associated routing is electrically coupled with a terminal and extends planarly therefrom. Each via layer couples two routing layers. The semiconductor package also includes a locking mechanism for fastening a package compound with the interconnection routings and the terminals.
    Type: Application
    Filed: June 17, 2016
    Publication date: October 13, 2016
    Applicant: UTAC THAI LIMITED
    Inventor: Saravuth Sirinorakul
  • Publication number: 20160300786
    Abstract: A semiconductor package includes terminals, each having an exposed surface that is flush with a bottom surface of the semiconductor package, and a layer of interconnection routings disposed within the semiconductor package. At least one interconnection routing is electrically coupled with a terminal and extends planarly therefrom. The semiconductor package also includes at least one die coupled with the layer of interconnection routings. In some embodiments, the semiconductor package also includes one or more additional intermediary layers. Each intermediary layer includes a via layer and an associated routing layer. The associated routing layer includes associated routings. At least one associated routing is electrically coupled with a terminal and extends planarly therefrom. Each via layer couples two routing layers. The semiconductor package also includes a locking mechanism for fastening a package compound with the interconnection routings and the terminals.
    Type: Application
    Filed: June 17, 2016
    Publication date: October 13, 2016
    Applicant: UTAC THAI LIMITED
    Inventor: Saravuth Sirinorakul
  • Publication number: 20160293533
    Abstract: A semiconductor package includes terminals, each having an exposed surface that is flush with a bottom surface of the semiconductor package, and a layer of interconnection routings disposed within the semiconductor package. At least one interconnection routing is electrically coupled with a terminal and extends planarly therefrom. The semiconductor package also includes at least one die coupled with the layer of interconnection routings. In some embodiments, the semiconductor package also includes one or more additional intermediary layers. Each intermediary layer includes a via layer and an associated routing layer. The associated routing layer includes associated routings. At least one associated routing is electrically coupled with a terminal and extends planarly therefrom. Each via layer couples two routing layers. The semiconductor package also includes a locking mechanism for fastening a package compound with the interconnection routings and the terminals.
    Type: Application
    Filed: June 17, 2016
    Publication date: October 6, 2016
    Applicant: UTAC THAI LIMITED
    Inventor: Saravuth Sirinorakul
  • Patent number: 9449905
    Abstract: A semiconductor package includes terminals, each having an exposed surface that is flush with a bottom surface of the semiconductor package, and a layer of interconnection routings disposed within the semiconductor package. At least one interconnection routing is electrically coupled with a terminal and extends planarly therefrom. The semiconductor package also includes at least one die coupled with the layer of interconnection routings. In some embodiments, the semiconductor package also includes one or more additional intermediary layers. Each intermediary layer includes a via layer and an associated routing layer. The associated routing layer includes associated routings. At least one associated routing is electrically coupled with a terminal and extends planarly therefrom. Each via layer couples two routing layers. The semiconductor package also includes a locking mechanism for fastening a package compound with the interconnection routings and the terminals.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: September 20, 2016
    Assignee: UTAC THAI LIMITED
    Inventor: Saravuth Sirinorakul
  • Publication number: 20160240460
    Abstract: A method of singulating semiconductor packages, the method comprising: providing a plurality of semiconductor dies coupled to a single common leadframe, wherein a molding compound at least partially encases the semiconductor dies and the leadframe; singulating the plurality of semiconductor dies, wherein the leadframe is at least partially cut between adjacent semiconductor dies, thereby forming exposed side surfaces on leads of the leadframe; and plating the exposed side surfaces of the leads with a plating material, wherein the plating material is a different material than the leads. In some embodiments, singulating the plurality of semiconductor dies comprises performing a full cut of the leadframe. In some embodiments, singulating the plurality of semiconductor dies comprises performing separate partial cuts of the leadframe.
    Type: Application
    Filed: April 26, 2016
    Publication date: August 18, 2016
    Applicant: UTAC Thai Limited
    Inventors: Saravuth Sirinorakul, Somchai Nondhasitthichai
  • Patent number: 9397031
    Abstract: Method of and devices for protecting semiconductor packages are provided. The methods and devices comprise loading a leadframe containing multiple semiconductor packages into a molding device, adding a molding material on a surface of the leadframe, molding the molding material, such that the molding material covers the entire surface of the semiconductor packages except conducting terminals, and singulating the semiconductor packages from the leadframe after molding the molding material.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: July 19, 2016
    Assignee: UTAC THAI LIMITED
    Inventor: Saravuth Sirinorakul
  • Publication number: 20160172282
    Abstract: Method of and devices for protecting semiconductor packages are provided. The methods and devices comprise loading a leadframe containing multiple semiconductor packages into a molding device, adding a molding material on a surface of the leadframe, molding the molding material, such that the molding material covers the entire surface of the semiconductor packages except conducting terminals, and singulating the semiconductor packages from the leadframe after molding the molding material.
    Type: Application
    Filed: November 29, 2012
    Publication date: June 16, 2016
    Applicant: UTAC THAI LIMITED
    Inventor: Saravuth Sirinorakul
  • Patent number: 9355940
    Abstract: A semiconductor package comprises a die attach pad and an auxiliary support member at least partially circumscribing the die attach pad. A set of contact leads is formed extending outward from the die attach pad. A first set of contact pads is formed on the bottom surface of the distal ends of the contact leads. An optional second set of contact pads is formed at the bottom surface of the proximal end. The auxiliary support member prevents damage to the contact leads and prevents the leads from bending during the manufacturing process.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: May 31, 2016
    Assignee: UTAC THAI LIMITED
    Inventor: Saravuth Sirinorakul
  • Patent number: 9349679
    Abstract: A method of singulating semiconductor packages, the method comprising: providing a plurality of semiconductor dies coupled to a single common leadframe, wherein a molding compound at least partially encases the semiconductor dies and the leadframe; singulating the plurality of semiconductor dies, wherein the leadframe is at least partially cut between adjacent semiconductor dies, thereby forming exposed side surfaces on leads of the leadframe; and plating the exposed side surfaces of the leads with a plating material, wherein the plating material is a different material than the leads. In some embodiments, singulating the plurality of semiconductor dies comprises performing a full cut of the leadframe. In some embodiments, singulating the plurality of semiconductor dies comprises performing separate partial cuts of the leadframe.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: May 24, 2016
    Assignee: UTAC THAI LIMITED
    Inventors: Saravuth Sirinorakul, Somchai Nondhasitthichai
  • Patent number: 9196470
    Abstract: A process for forming land grid array semiconductor packages includes a leadframe that is supported by a substrate comprising mold compound. In some embodiments, at least one die is electrically coupled to the leadframe by bondwires. The package comprises a second mold compound to act as an encapsulant. An apparatus for forming a land grid array semiconductor package includes means for molding a leadframe, assembling thereon at least one semiconductor device, applying a second mold, and singulating to form individual devices. A land grid array package comprises a leadframe, a substrate for supporting the leadframe, at least one semiconductor device and a mold compound.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: November 24, 2015
    Assignee: UTAC THAI LIMITED
    Inventors: Somchai Nondhasitthichai, Saravuth Sirinorakul
  • Patent number: 9099317
    Abstract: A package includes a first plated area, a second plated area, a die attached to the first plated area, and a bond coupling the die to the second plated area. The package further includes a molding encapsulating the die, the bond, and the top surfaces of the first and second plated areas, such that the bottom surfaces of the first and second plated areas are exposed exterior to the package. Additional embodiments include a method of making the package.
    Type: Grant
    Filed: March 19, 2009
    Date of Patent: August 4, 2015
    Assignee: UTAC Thai Limited
    Inventors: Somchai Nondhasitthichai, Saravuth Sirinorakul
  • Patent number: 9099294
    Abstract: A process for forming an optical package comprises at least partially encasing a first leadframe strip in a first mold compound thereby forming a molded leadframe strip, mounting at least one optical semiconductor device on the molded leadframe strip, at least partially encasing the molded leadframe strip, and singulating the molded leadframe strip to form discrete packages for optical applications. An apparatus for forming an optical package comprises means for at least partially encasing a first leadframe strip in a first mold compound thereby forming a molded leadframe strip, means for mounting at least one optical semiconductor device on the at least one molded leadframe strip, means for at least partially encasing the molded leadframe strip, and means for singulating the molded leadframe strip to form discrete and grid array packages.
    Type: Grant
    Filed: October 9, 2009
    Date of Patent: August 4, 2015
    Assignee: UTAC Thai Limited
    Inventors: Somchai Nondhasitthichai, Saravuth Sirinorakul
  • Patent number: 9093486
    Abstract: A process for forming land grid array semiconductor packages includes a leadframe that is supported by a substrate comprising mold compound. In some embodiments, at least one die is electrically coupled to the leadframe by bondwires. The package comprises a second mold compound to act as an encapsulant. An apparatus for forming a land grid array semiconductor package includes means for molding a leadframe, assembling thereon at least one semiconductor device, applying a second mold, and singulating to form individual devices. A land grid array package comprises a leadframe, a substrate for supporting the leadframe, at least one semiconductor device and a mold compound.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: July 28, 2015
    Assignee: UTAC Thai Limited
    Inventors: Somchai Nondhasitthichai, Saravuth Sirinorakul
  • Patent number: 9082607
    Abstract: A process for forming an optical package comprises at least partially encasing a first leadframe strip in a first mold compound thereby forming a molded leadframe strip, mounting at least one optical semiconductor device on the molded leadframe strip, at least partially encasing the molded leadframe strip, and singulating the molded leadframe strip to form discrete packages for optical applications. An apparatus for forming an optical package comprises means for at least partially encasing a first leadframe strip in a first mold compound thereby forming a molded leadframe strip, means for mounting at least one optical semiconductor device on the at least one molded leadframe strip, means for at least partially encasing the molded leadframe strip, and means for singulating the molded leadframe strip to form discrete and grid array packages.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: July 14, 2015
    Assignee: UTAC THAI LIMITED
    Inventors: Somchai Nondhasitthichai, Saravuth Sirinorakul