Patents by Inventor Hendra Ng
Hendra Ng 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: 10634998Abstract: Embodiments in accordance with the present invention encompass self-imageable polymer compositions containing a variety of photobase generators which are useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays. The compositions of this invention can be tailored to form positive tone or negative tone images depending upon the intended application in aqueous developable medium. The images formed therefrom exhibit improved properties including low wafer stress and better thermo-mechanical properties, among other property enhancements.Type: GrantFiled: July 22, 2019Date of Patent: April 28, 2020Assignee: PROMERUS, LLCInventors: Pramod Kandanarachchi, Larry F Rhodes, Hendra Ng, Wei Zhang, Brian Knapp
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Publication number: 20190369492Abstract: Embodiments in accordance with the present invention encompass self-imageable polymer compositions containing a variety of photobase generators which are useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays. The compositions of this invention can be tailored to form positive tone or negative tone images depending upon the intended application in aqueous developable medium. The images formed therefrom exhibit improved properties including low wafer stress and better thermo-mechanical properties, among other property enhancements.Type: ApplicationFiled: July 22, 2019Publication date: December 5, 2019Applicant: PROMERUS, LLCInventors: PRAMOD KANDANARACHCHI, LARRY F RHODES, HENDRA NG, WEI ZHANG, BRIAN KNAPP
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Patent number: 10409160Abstract: Embodiments in accordance with the present invention encompass self-imagable polymer compositions containing a variety of photobase generators which are useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays. The compositions of this invention can be tailored to form positive tone or negative tone images depending upon the intended application in aqueous developable medium. The images formed therefrom exhibit improved properties including low wafer stress and better thermo-mechanical properties, among other property enhancements.Type: GrantFiled: March 12, 2018Date of Patent: September 10, 2019Assignee: PROMERUS, LLCInventors: Pramod Kandanarachchi, Larry F Rhodes, Hendra Ng, Wei Zhang, Brian Knapp
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Publication number: 20180203349Abstract: Embodiments in accordance with the present invention encompass self-imagable polymer compositions containing a variety of photobase generators which are useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays. The compositions of this invention can be tailored to form positive tone or negative tone images depending upon the intended application in aqueous developable medium. The images formed therefrom exhibit improved properties including low wafer stress and better thermo-mechanical properties, among other property enhancements.Type: ApplicationFiled: March 12, 2018Publication date: July 19, 2018Applicant: PROMERUS, LLCInventors: PRAMOD KANDANARACHCHI, LARRY F. RHODES, HENDRA NG, WEI ZHANG, BRIAN KNAPP
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Patent number: 9952507Abstract: Embodiments in accordance with the present invention encompass self-imageable polymer compositions containing a variety of photobase generators which are useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays. The compositions of this invention can be tailored to form positive tone or negative tone images depending upon the intended application in aqueous developable medium. The images formed therefrom exhibit improved properties including low wafer stress and better thermo-mechanical properties, among other property enhancements.Type: GrantFiled: February 12, 2016Date of Patent: April 24, 2018Assignee: PROMERUS, LLCInventors: Pramod Kandanarachchi, Larry Rhodes, Hendra Ng, Wei Zhang, Brian Knapp
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Patent number: 9823565Abstract: Embodiments in accordance with the present invention encompass negative-tone, solvent developable, self-imageable polymer compositions containing photobase generators which are useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays.Type: GrantFiled: February 12, 2016Date of Patent: November 21, 2017Assignee: PROMERUS, LLCInventors: Hendra Ng, Wei Zhang
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Patent number: 9771443Abstract: The present invention relates to use of certain chain transfer agents to control molecular weight of addition mass polymerization of certain polycycloolefinic monomers. More specifically, the present invention relates to use of a series of substituted bicycloalkenes as chain transfer agents in the addition mass polymerization of a series of functionalized norbornene-type monomers. This invention also relates to compositions containing bicycloalkenes as chain transfer agents in forming “in mold” polycycloolefinic polymers by addition mass polymerization.Type: GrantFiled: March 31, 2016Date of Patent: September 26, 2017Assignee: PROMERUS, LLCInventors: Hendra Ng, Keitaro Seto, Wei Zhang
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Patent number: 9765180Abstract: The present invention relates to certain ring open metathesis polymerized (ROMP) polymers encompassing polycycloolefinic monomers and a certain of olefinic monomers having thermally labile functional group. More specifically, the present invention relates to ROMP polymers under mass polymerization conditions of a series of functionalized norbornene-type monomers and at least one other olefinic monomer containing a thermally labile functional group such as, ether, acetal, ester, and the like. This invention also relates to reaction compositions containing a series of functionalized norbornene-type monomers and at least one other olefinic monomer containing a thermally labile functional group such as, ether, acetal, ester, and the like, which undergo ring open metathesis polymerization to produce materials which are useful as flame retardant materials having a variety of applications.Type: GrantFiled: March 31, 2016Date of Patent: September 19, 2017Assignee: PROMERUS, LLCInventors: Hendra Ng, Keitaro Seto, Wei Zhang
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Patent number: 9765168Abstract: The present invention relates to certain vinyl addition polymers encompassing polycycloolefinic monomers and a certain of olefinic monomers having thermally labile functional group. More specifically, the present invention relates to vinyl addition polymers under mass polymerization conditions of a series of functionalized norbornene-type monomers and at least one other olefinic monomer containing a thermally labile functional group such as, ether, acetal, ester, and the like. This invention also relates to reaction compositions containing a series of functionalized norbornene-type monomers and at least one other olefinic monomer containing a thermally labile functional group such as, ether, acetal, ester, and the like, which undergo vinyl addition polymerization to produce materials which are useful as flame retardant materials having a variety of applications.Type: GrantFiled: March 31, 2016Date of Patent: September 19, 2017Assignee: PROMERUS, LLCInventors: Hendra Ng, Keitaro Seto, Wei Zhang
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Patent number: 9690196Abstract: Embodiments in accordance with the present invention encompass positive-tone, aqueous developable, self-imageable polymer compositions useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays.Type: GrantFiled: December 29, 2015Date of Patent: June 27, 2017Assignee: PROMERUS, LLCInventors: Hendra Ng, Sridevi Kaiti
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Patent number: 9647222Abstract: Embodiments in accordance with the present invention provide for the use of polycycloolefins in electronic devices and more specifically to the use of such polycycloolefins as gate insulator layers used in the fabrication of electronic devices, the electronic devices that encompass such polycycloolefin gate insulator and processes for preparing such polycycloolefin gate insulator layers and electronic devices encompassing such layers.Type: GrantFiled: August 11, 2015Date of Patent: May 9, 2017Assignees: Merck Patent GmbH, Promerus LLCInventors: David Christoph Müller, Toby Cull, Pawel Miskiewicz, Miguel Carrasco-Orozco, Andrew Bell, Edmund Elce, Larry F. Rhodes, Kazuyoshi Fujita, Hendra Ng, Pramod Kandanarachchi, Steven Smith
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Patent number: 9647213Abstract: Embodiments in accordance with the present invention provide for the use of polycycloolefins in electronic devices and more specifically to the use of such polycycloolefins as interlayers applied to fluoropolymer layers used in the fabrication of electronic devices, the electronic devices that encompass such polycycloolefin interlayers and processes for preparing such polycycloolefin interlayers and electronic devices.Type: GrantFiled: August 11, 2015Date of Patent: May 9, 2017Assignees: Merck Patent GmbH, Promerus LLCInventors: David Christoph Müller, Pawel Miskiewicz, Toby Cull, Piotr Wierzchowiec, Andrew Bell, Edmund Elce, Larry F. Rhodes, Kazuyoshi Fujita, Hendra Ng, Pramod Kandanarachchi, Steven Smith
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Patent number: 9583713Abstract: Embodiments in accordance with the present invention provide for the use of polycycloolefins in electronic devices and more specifically to the use of such polycycloolefins as interlayers applied to fluoropolymer layers used in the fabrication of electronic devices, the electronic devices that encompass such polycycloolefin interlayers and processes for preparing such polycycloolefin interlayers and electronic devices.Type: GrantFiled: September 1, 2011Date of Patent: February 28, 2017Assignees: Merck Patent GmbH, Promerus LLCInventors: David Christoph Mueller, Pawel Miskiewicz, Toby Cull, Piotr Wierzchowiec, Andrew Bell, Edmund Elce, Larry F. Rhodes, Kazuyoshi Fujita, Hendra Ng, Pramod Kandanarachchi, Steven Smith
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Patent number: 9575409Abstract: Embodiments in accordance with the present invention encompass negative-tone, solvent developable, self-imageable polymer compositions useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays.Type: GrantFiled: November 20, 2015Date of Patent: February 21, 2017Assignee: PROMERUS, LLCInventors: Hendra Ng, Wei Zhang
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Patent number: 9562124Abstract: The present invention relates to polynorbornene (PNB) composition embodiments that are useful for forming microelectronic and/or optoelectronic devices and assemblies thereof, and more specifically to compositions encompassing PNBs having norbornene-type repeating units that are polyether functionalized and an additive package containing a phenolic antioxidant and a diaryl amine synergist, and the microelectronic and/or optoelectronic devices made therefrom are resistant to thermo-oxidative chain degradation of said polyether functionalization.Type: GrantFiled: July 13, 2016Date of Patent: February 7, 2017Assignees: PROMERUS, LLC, SUMITOMO BAKELITE CO., LTD.Inventors: Christopher Apanius, Andrew Bell, Cheryl Burns, Crystal Cyrus, Edmund Elce, Royce Groff, Sridevi Kaiti, Brian Knapp, Hendra Ng, Seishi Ohashi, Wei Zhang
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Publication number: 20160319060Abstract: The present invention relates to polynorbornene (PNB) composition embodiments that are useful for forming microelectronic and/or optoelectronic devices and assemblies thereof, and more specifically to compositions encompassing PNBs having norbornene-type repeating units that are polyether functionalized where such the PNBs of such compositions and the microelectronic and/or optoelectronic devices made therefrom are resistant to thermo-oxidative chain degradation of said polyether functionalization.Type: ApplicationFiled: July 13, 2016Publication date: November 3, 2016Applicants: PROMERUS, LLC, SUMITOMO BAKELITE CO., LTD.Inventors: CHRISTOPHER APANIUS, ANDREW BELL, CHERYL BURNS, CRYSTAL CYRUS, EDMUND ELCE, ROYCE GROFF, SRIDEVI KAITI, BRIAN KNAPP, HENDRA NG, SEISHI OHASHI, WEI ZHANG
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Publication number: 20160289373Abstract: The present invention relates to certain ring open metathesis polymerized (ROMP) polymers encompassing polycycloolefinic monomers and a certain of olefinic monomers having thermally labile functional group. More specifically, the present invention relates to ROMP polymers under mass polymerization conditions of a series of functionalized norbornene-type monomers and at least one other olefinic monomer containing a thermally labile functional group such as, ether, acetal, ester, and the like. This invention also relates to reaction compositions containing a series of functionalized norbornene-type monomers and at least one other olefinic monomer containing a thermally labile functional group such as, ether, acetal, ester, and the like, which undergo ring open metathesis polymerization to produce materials which are useful as flame retardant materials having a variety of applications.Type: ApplicationFiled: March 31, 2016Publication date: October 6, 2016Inventors: HENDRA NG, KEITARO SETO, WEI ZHANG
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Publication number: 20160289371Abstract: The present invention relates to certain vinyl addition polymers encompassing polycycloolefinic monomers and a certain of olefinic monomers having thermally labile functional group. More specifically, the present invention relates to vinyl addition polymers under mass polymerization conditions of a series of functionalized norbornene-type monomers and at least one other olefinic monomer containing a thermally labile functional group such as, ether, acetal, ester, and the like. This invention also relates to reaction compositions containing a series of functionalized norbornene-type monomers and at least one other olefinic monomer containing a thermally labile functional group such as, ether, acetal, ester, and the like, which undergo vinyl addition polymerization to produce materials which are useful as flame retardant materials having a variety of applications.Type: ApplicationFiled: March 31, 2016Publication date: October 6, 2016Inventors: HENDRA NG, KEITARO SETO, WEI ZHANG
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Publication number: 20160289353Abstract: The present invention relates to use of certain chain transfer agents to control molecular weight of addition mass polymerization of certain polycycloolefinic monomers. More specifically, the present invention relates to use of a series of substituted bicycloalkenes as chain transfer agents in the addition mass polymerization of a series of functionalized norbornene-type monomers. This invention also relates to compositions containing bicycloalkenes as chain transfer agents in forming “in mold” polycycloolefinic polymers by addition mass polymerization.Type: ApplicationFiled: March 31, 2016Publication date: October 6, 2016Inventors: HENDRA NG, KEITARO SETO, WEI ZHANG
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Patent number: 9425404Abstract: The present invention relates to polynorbornene (PNB) composition embodiments that are useful for forming microelectronic and/or optoelectronic devices and assemblies thereof, and more specifically to compositions encompassing PNBs having norbornene-type repeating units that are polyether functionalized and an additive package containing a phenolic antioxidant and a synergist, and the microelectronic and/or optoelectronic devices made therefrom are resistant to thermo-oxidative chain degradation of said polyether functionalization.Type: GrantFiled: January 15, 2013Date of Patent: August 23, 2016Assignees: PROMERUS, LLC, SUMITOMO BAKELITE CO., LTD.Inventors: Christopher Apanius, Andrew Bell, Cheryl Burns, Crystal Cyrus, Edmund Elce, Royce Groff, Sridevi Kaiti, Brian Knapp, Hendra Ng, Seishi Ohashi, Wei Zhang