Patents by Inventor Chuen Khiang Wang
Chuen Khiang Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9881863Abstract: A device is disclosed. The device includes a carrier substrate having first and second major surfaces. The first surface includes a die region and contact pads and the second surface includes package contacts. The carrier substrate includes a patterned lead frame which defines a line level with conductive traces and a via level with via contacts. The patterned lead frame provides interconnections between the contact pads and package contacts. The carrier substrate further includes a dielectric layer isolating the conductive traces and via contacts. The device includes a die mounted on the die region of the first surface.Type: GrantFiled: February 8, 2017Date of Patent: January 30, 2018Assignee: UTAC HEADQUARTERS PTE. LTD.Inventors: Chuen Khiang Wang, Nathapong Suthiwongsunthorn, Kriangsak Sae Le, Antonio Jr B Dimaano, Catherine Bee Liang Ng, Richard Te Gan, Kian Teng Eng
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Publication number: 20170148722Abstract: A device is disclosed. The device includes a carrier substrate having first and second major surfaces. The first surface includes a die region and contact pads and the second surface includes package contacts. The carrier substrate includes a patterned lead frame which defines a line level with conductive traces and a via level with via contacts. The patterned lead frame provides interconnections between the contact pads and package contacts. The carrier substrate further includes a dielectric layer isolating the conductive traces and via contacts. The device includes a die mounted on the die region of the first surface.Type: ApplicationFiled: February 8, 2017Publication date: May 25, 2017Inventors: Chuen Khiang WANG, Nathapong SUTHIWONGSUNTHORN, Kriangsak SAE LE, Antonio B. DIMAANO, JR., Catherine Bee Liang NG, Richard Te GAN, Kian Teng ENG
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Patent number: 9589875Abstract: A device is disclosed. The device includes a carrier substrate having first and second major surfaces. The first surface includes a die region and contact pads and the second surface includes package contacts. The carrier substrate includes a patterned lead frame which defines a line level with conductive traces and a via level with via contacts. The patterned lead frame provides interconnections between the contact pads and package contacts. The carrier substrate further includes a dielectric layer isolating the conductive traces and via contacts. The device includes a die mounted on the die region of the first surface.Type: GrantFiled: September 9, 2015Date of Patent: March 7, 2017Assignee: UTAC HEADQUARTERS PTE. LTD.Inventors: Chuen Khiang Wang, Nathapong Suthiwongsunthorn, Kriangsak Sae Le, Antonio Jr B Dimaano, Catherine Bee Liang Ng, Richard Te Gan, Kian Teng Eng
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Patent number: 9391026Abstract: Package substrate, semiconductor packages and methods for forming a semiconductor package are presented. The package substrate includes a base substrate having first and second major surfaces and a plurality of via contacts extending through the first to the second major surfaces of the base substrate. A first conductive layer having a plurality of openings is disposed over the first surface of the base substrate and via contacts. The openings are configured to match conductive trace layout of the package substrate. Conductive traces are disposed over the first conductive layer. The conductive traces are directly coupled to the via contacts through some of the openings of the first conductive layer.Type: GrantFiled: December 4, 2014Date of Patent: July 12, 2016Assignee: UTAC HEADQUARTERS PTE. LTD.Inventor: Chuen Khiang Wang
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Publication number: 20150380346Abstract: A device is disclosed. The device includes a carrier substrate having first and second major surfaces. The first surface includes a die region and contact pads and the second surface includes package contacts. The carrier substrate includes a patterned lead frame which defines a line level with conductive traces and a via level with via contacts. The patterned lead frame provides interconnections between the contact pads and package contacts. The carrier substrate further includes a dielectric layer isolating the conductive traces and via contacts. The device includes a die mounted on the die region of the first surface.Type: ApplicationFiled: September 9, 2015Publication date: December 31, 2015Inventors: Chuen Khiang WANG, Nathapong SUTHIWONGSUNTHORN, Kriangsak SAE LE, Antonio Jr B DIMAANO, Catherine Bee Liang NG, Richard Te GAN, Kian Teng ENG
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Patent number: 9136142Abstract: A device is disclosed. The device includes a carrier substrate having first and second major surfaces. The first surface includes a die region and contact pads and the second surface includes package contacts. The carrier substrate includes a patterned lead frame which defines a line level with conductive traces and a via level with via contacts. The patterned lead frame provides interconnections between the contact pads and package contacts. The carrier substrate further includes a dielectric layer isolating the conductive traces and via contacts. The device includes a die mounted on the die region of the first surface.Type: GrantFiled: April 21, 2014Date of Patent: September 15, 2015Assignee: UNITED TEST AND ASSEMBLY CENTER LTD.Inventors: Chuen Khiang Wang, Nathapong Suthiwongsunthorn, Kriangsak Sae Le, Antonio Jr B Dimaano, Catherine Bee Liang Ng, Richard Te Gan, Kian Teng Eng
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Publication number: 20150084197Abstract: Package substrate, semiconductor packages and methods for forming a semiconductor package are presented. The package substrate includes a base substrate having first and second major surfaces and a plurality of via contacts extending through the first to the second major surfaces of the base substrate. A first conductive layer having a plurality of openings is disposed over the first surface of the base substrate and via contacts. The openings are configured to match conductive trace layout of the package substrate. Conductive traces are disposed over the first conductive layer. The conductive traces are directly coupled to the via contacts through some of the openings of the first conductive layer.Type: ApplicationFiled: December 4, 2014Publication date: March 26, 2015Inventor: Chuen Khiang WANG
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Patent number: 8916422Abstract: Package substrate, semiconductor packages and methods for forming a semiconductor package are presented. The package substrate includes a base substrate having first and second major surfaces and a plurality of via contacts extending through the first to the second major surfaces of the base substrate. A first conductive layer having a plurality of openings is disposed over the first surface of the base substrate and via contacts. The openings are configured to match conductive trace layout of the package substrate. Conductive traces are disposed over the first conductive layer. The conductive traces are directly coupled to the via contacts through some of the openings of the first conductive layer.Type: GrantFiled: March 15, 2013Date of Patent: December 23, 2014Assignee: United Test and Assembly Center Ltd.Inventor: Chuen Khiang Wang
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Patent number: 8860079Abstract: Semiconductor packages and methods of forming a semiconductor package are disclosed. The method includes providing at least one die having first and second surfaces. The second surface of the die includes a plurality of conductive pads. A permanent carrier is provided and the at least one die is attached to the permanent carrier. The first surface of the at least one die is facing the permanent carrier. A cap having first and second surfaces is formed to encapsulate the at least one die. The first surface of the cap contacts the permanent carrier and the second surface of the cap is disposed at a different plane than the second surface of the die.Type: GrantFiled: May 9, 2012Date of Patent: October 14, 2014Assignee: United Test and Assembly Center Ltd.Inventors: Catherine Bee Liang Ng, Kriangsak Sae Le, Chuen Khiang Wang, Nathapong Suthiwongsunthorn
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Publication number: 20140264835Abstract: Package substrate, semiconductor packages and methods for forming a semiconductor package are presented. The package substrate includes a base substrate having first and second major surfaces and a plurality of via contacts extending through the first to the second major surfaces of the base substrate. A first conductive layer having a plurality of openings is disposed over the first surface of the base substrate and via contacts. The openings are configured to match conductive trace layout of the package substrate. Conductive traces are disposed over the first conductive layer. The conductive traces are directly coupled to the via contacts through some of the openings of the first conductive layer.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: UNITED TEST AND ASSEMBLY CENTER LTD.Inventor: Chuen Khiang WANG
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Patent number: 8829666Abstract: Semiconductor packages and methods of forming a semiconductor package are disclosed. The method includes providing at least one die having first and second surfaces. The second surface of the die includes a plurality of conductive pads. A support carrier is provided and the at least one die is attached to the support carrier. The first surface of the at least one die is facing the support carrier. A cap having first and second surfaces is formed to encapsulate the at least one die. The second surface of the cap is disposed at a different plane than the second surface of the die.Type: GrantFiled: November 14, 2011Date of Patent: September 9, 2014Assignee: United Test and Assembly Center Ltd.Inventors: Catherine Bee Liang Ng, Kriangsak Sae Le, Chuen Khiang Wang, Nathapong Suthiwongsunthorn
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Publication number: 20140227832Abstract: A device is disclosed. The device includes a carrier substrate having first and second major surfaces. The first surface includes a die region and contact pads and the second surface includes package contacts. The carrier substrate includes a patterned lead frame which defines a line level with conductive traces and a via level with via contacts. The patterned lead frame provides interconnections between the contact pads and package contacts. The carrier substrate further includes a dielectric layer isolating the conductive traces and via contacts. The device includes a die mounted on the die region of the first surface.Type: ApplicationFiled: April 21, 2014Publication date: August 14, 2014Applicant: United Test and Assembly Center Ltd.Inventors: Chuen Khiang WANG, Nathapong SUTHIWONGSUNTHORN, Kriangsak SAE LE, Antonio Jr B DIMAANO, Catherine Bee Liang NG, Richard Te GAN, Kian Teng ENG
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Patent number: 8716873Abstract: A device is disclosed. The device includes a carrier substrate having first and second major surfaces. The first surface includes a die region and contact pads and the second surface includes package contacts. The carrier substrate includes a patterned lead frame which defines a line level with conductive traces and a via level with via contacts. The patterned lead frame provides interconnections between the contact pads and package contacts. The carrier substrate further includes a dielectric layer isolating the conductive traces and via contacts. The device includes a die mounted on the die region of the first surface.Type: GrantFiled: July 1, 2011Date of Patent: May 6, 2014Assignee: United Test and Assembly Center Ltd.Inventors: Chuen Khiang Wang, Nathapong Suthiwongsunthorn, Kriangsak Sae Le, Antonio Jr B Dimaano, Catherine Bee Liang Ng, Richard Te Gan, Kian Teng Eng
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Publication number: 20120220082Abstract: Semiconductor packages and methods of forming a semiconductor package are disclosed. The method includes providing at least one die having first and second surfaces. The second surface of the die includes a plurality of conductive pads. A permanent carrier is provided and the at least one die is attached to the permanent carrier. The first surface of the at least one die is facing the permanent carrier. A cap having first and second surfaces is formed to encapsulate the at least one die. The first surface of the cap contacts the permanent carrier and the second surface of the cap is disposed at a different plane than the second surface of the die.Type: ApplicationFiled: May 9, 2012Publication date: August 30, 2012Applicant: UNITED TEST AND ASSEMBLY CENTER, LTD.Inventors: Catherine Bee Liang NG, Kriangsak Sae LE, Chuen Khiang WANG, Nathapong SUTHIWONGSUNTHORN
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Publication number: 20120119378Abstract: Semiconductor packages and methods of forming a semiconductor package are disclosed. The method includes providing at least one die having first and second surfaces. The second surface of the die includes a plurality of conductive pads. A support carrier is provided and the at least one die is attached to the support carrier. The first surface of the at least one die is facing the support carrier. A cap having first and second surfaces is formed to encapsulate the at least one die. The second surface of the cap is disposed at a different plane than the second surface of the die.Type: ApplicationFiled: November 14, 2011Publication date: May 17, 2012Applicant: UNITED TEST AND ASSEMBLY CENTER LTD.Inventors: Catherine Bee Liang NG, Kriangsak Sae LE, Chuen Khiang WANG, Nathapong SUTHIWONGSUNTHORN
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Publication number: 20120001306Abstract: A device is disclosed. The device includes a carrier substrate having first and second major surfaces. The first surface includes a die region and contact pads and the second surface includes package contacts. The carrier substrate includes a patterned lead frame which defines a line level with conductive traces and a via level with via contacts. The patterned lead frame provides interconnections between the contact pads and package contacts. The carrier substrate further includes a dielectric layer isolating the conductive traces and via contacts. The device includes a die mounted on the die region of the first surface.Type: ApplicationFiled: July 1, 2011Publication date: January 5, 2012Applicant: UNITED TEST AND ASSEMBLY CENTER LTD.Inventors: Chuen Khiang WANG, Nathapong SUTHIWONGSUNTHORN, Kriangsak SAE LE, Antonio Jr B DIMAANO, Catherine Bee Liang NG, Richard Te GAN, Kian Teng ENG
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Patent number: 7816775Abstract: A method for of manufacturing integrated circuit packages and a multi-chip integrated circuit package are disclosed. According to the method, a first die is attached onto a first side of a set of leads of a leadframe, and an adhesive is applied onto the set of leads at a second side opposite to the first side. A second die is attached onto the adhesive. The adhesive fills into the gaps defined by the set of leads. The adhesive is thereafter cured. In a multi-chip integrated circuit package made according to the method, the adhesive attaching the second die fills the gaps between the leads so that to avoid formation of internal cavities of the package.Type: GrantFiled: September 9, 2005Date of Patent: October 19, 2010Assignee: United Test and Assembly Center LimitedInventors: Chuen Khiang Wang, Hao Liu, Hien Boon Tan, Clifton Teik Lyk Law, Rahamat Bidin, Anthony Yi Sheng Sun
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Patent number: 7723833Abstract: A stacked die semiconductor package that includes a substrate with a plurality of adhesive portions arranged in a manner to create at least one gap between the adhesive portions. The package also includes a first semiconductor chip having a non-active surface in contact with the adhesive portions, and an active surface being electrically connected to the substrate. In the package, a second semiconductor chip the non-active surface of the second semiconductor chip is attached to the non-active surface of the first semiconductor chip by a layer of adhesive therebetween. The active surface of the second semiconductor chip is electrically connected to the substrate. An encapsulant material covers the first and second semiconductor chips and their associated electrical connections. The encapsulating material fills the at least one gap between the plurality of adhesive portions and thereby encapsulates the second semiconductor chip and its associated electrical connection.Type: GrantFiled: August 29, 2007Date of Patent: May 25, 2010Assignee: United Test and Assembly Center Ltd.Inventors: Gaurav Mehta, Hien Boon Tan, Susanto Tanary, Mary Annie Cheong, Anthony Yi Sheng Sun, Chuen Khiang Wang
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Patent number: 7678610Abstract: A semiconductor chip package and method of making the same. A first chip unit includes a first substrate and a first IC chip electrically connected to the first substrate. A second chip unit includes a second substrate and a second IC chip electronically connected to the second substrate. An adhesive material is provided on a surface of the first IC chip and the second chip unit is mounted onto the surface of the first chip unit including the adhesive material so that at least a portion of the second structure is encapsulated by the adhesive material, thereby providing some encapsulation in the same step as mounting. The first chip unit and the second chip unit may be separated by a spacer which may also provide an electrical connection.Type: GrantFiled: October 28, 2005Date of Patent: March 16, 2010Assignee: UTAC-United Test and Assembly Test Center Ltd.Inventors: Chuen Khiang Wang, Hien Boon Tan, Anthony Yi Sheng Sun, Sin Nee Song, Steven Yu Feng Yao, Hua Hong Tan
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Publication number: 20080290509Abstract: A method of producing a chip scale package is disclosed. The method includes dicing a wafer into a plurality of chip arrays, each array including two or more integrated circuit chips. The method further includes mounting each array on a substrate and dicing each array, attached to the substrate, into individual chip scale packages, each individual chip scale package including only one integrated circuit chip.Type: ApplicationFiled: December 2, 2004Publication date: November 27, 2008Applicant: UNITED TEST AND ASSEMBLY CENTERInventors: Hien Boon Tan, Chuen Khiang Wang, Rahamat Bidin, Anthony Yi Sheng Sun, Desmond Yok Rue Chong, Ravi Kanth Kolan