Patents by Inventor Mahmud Halim CHOWDHURY
Mahmud Halim CHOWDHURY 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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Publication number: 20240332243Abstract: In examples, a package comprises a semiconductor die having a device side and a bond pad on the device side, a conductive terminal exposed to an exterior of the package, and an electrical fuse. The electrical fuse comprises a conductive ball coupled to the bond pad, and a bond wire coupled to the conductive terminal. The bond wire is stitch-bonded to the conductive ball.Type: ApplicationFiled: June 11, 2024Publication date: October 3, 2024Inventors: Mahmud Halim CHOWDHURY, Amin SIJELMASSI, Murali KITTAPPA, Anindya PODDAR, Honglin GUO, Joe Adam GARCIA, John Paul TELLKAMP
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Patent number: 12087673Abstract: An apparatus and method for providing an artificial standoff to the bottom of leads on a QFN device sufficient to provide a gap that changes the fluid dynamics of solder flow and create a unique capillary effect that drives solder up the of leads of a QFN device when it is attached to a printed wiring board (PWB).Type: GrantFiled: November 8, 2022Date of Patent: September 10, 2024Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Abram Castro, Usman Chaudhry, Joe Adam Garcia, Mahmud Halim Chowdhury
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Publication number: 20240194574Abstract: Disclosed embodiments include an integrated circuit (IC) comprising a silicon wafer, first and second conductive lines on the silicon wafer. There are first, second and third insulation blocks with portions on the first and second conductive lines and the silicon wafer, a metal pillar on the surface of the first conductive line opposite the silicon wafer, and a conductive adhesive block on the surface of the second conductive line opposite the silicon wafer. The IC also has a lead frame having first and second leads, and a capacitor having first and second capacitor terminals in which the first capacitor terminal is connected to the second lead using conductive adhesive, the second capacitor terminal is connected to the second conductive line through the conductive adhesive block, and the first lead is coupled to the first conductive line.Type: ApplicationFiled: February 23, 2024Publication date: June 13, 2024Inventors: Benjamin Stassen Cook, Yogesh Kumar Ramadass, Salvatore Frank Pavone, Mahmud Halim Chowdhury
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Patent number: 12009336Abstract: In examples, a package comprises a semiconductor die having a device side and a bond pad on the device side, a conductive terminal exposed to an exterior of the package, and an electrical fuse. The electrical fuse comprises a conductive ball coupled to the bond pad, and a bond wire coupled to the conductive terminal. The bond wire is stitch-bonded to the conductive ball.Type: GrantFiled: July 30, 2021Date of Patent: June 11, 2024Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Mahmud Halim Chowdhury, Amin Sijelmassi, Murali Kittappa, Anindya Poddar, Honglin Guo, Joe Adam Garcia, John Paul Tellkamp
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Patent number: 11948871Abstract: Disclosed embodiments include an integrated circuit (IC) comprising a silicon wafer, first and second conductive lines on the silicon wafer. There are first, second and third insulation blocks with portions on the first and second conductive lines and the silicon wafer, a metal pillar on the surface of the first conductive line opposite the silicon wafer, and a conductive adhesive block on the surface of the second conductive line opposite the silicon wafer. The IC also has a lead frame having first and second leads, and a capacitor having first and second capacitor terminals in which the first capacitor terminal is connected to the second lead using conductive adhesive, the second capacitor terminal is connected to the second conductive line through the conductive adhesive block, and the first lead is coupled to the first conductive line.Type: GrantFiled: May 19, 2021Date of Patent: April 2, 2024Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Benjamin Stassen Cook, Yogesh Kumar Ramadass, Salvatore Frank Pavone, Mahmud Halim Chowdhury
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Patent number: 11676930Abstract: In described examples, a microelectronic device includes a microelectronic die with a die attach surface. The microelectronic device further includes a nanoparticle layer coupled to the die attach surface. The nanoparticle layer may be in direct contact with the die attach surface, or may be coupled to the die attach surface through an intermediate layer, such as an adhesion layer or a contact metal layer. The nanoparticle layer includes nanoparticles having adjacent nanoparticles adhered to each other. The microelectronic die is attached to a package substrate by a die attach material. The die attach material extends into the nanoparticle layer and contacts at least a portion of the nanoparticles.Type: GrantFiled: May 7, 2021Date of Patent: June 13, 2023Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Benjamin Stassen Cook, Daniel Lee Revier, Sadia Naseem, Mahmud Halim Chowdhury
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Publication number: 20230057405Abstract: An apparatus and method for providing an artificial standoff to the bottom of leads on a QFN device sufficient to provide a gap that changes the fluid dynamics of solder flow and create a unique capillary effect that drives solder up the of leads of a QFN device when it is attached to a printed wiring board (PWB).Type: ApplicationFiled: November 8, 2022Publication date: February 23, 2023Inventors: Abram Castro, Usman Chaudhry, Joe Adam Garcia, Mahmud Halim Chowdhury
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Publication number: 20230036643Abstract: In examples, a package comprises a semiconductor die having a device side and a bond pad on the device side, a conductive terminal exposed to an exterior of the package, and an electrical fuse. The electrical fuse comprises a conductive ball coupled to the bond pad, and a bond wire coupled to the conductive terminal. The bond wire is stitch-bonded to the conductive ball.Type: ApplicationFiled: July 30, 2021Publication date: February 2, 2023Inventors: Mahmud Halim CHOWDHURY, Amin SIJELMASSI, Murali KITTAPPA, Anindya PODDAR, Honglin GUO, Joe Adam GARCIA, John Paul TELLKAMP
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Publication number: 20220375836Abstract: Disclosed embodiments include an integrated circuit (IC) comprising a silicon wafer, first and second conductive lines on the silicon wafer. There are first, second and third insulation blocks with portions on the first and second conductive lines and the silicon wafer, a metal pillar on the surface of the first conductive line opposite the silicon wafer, and a conductive adhesive block on the surface of the second conductive line opposite the silicon wafer. The IC also has a lead frame having first and second leads, and a capacitor having first and second capacitor terminals in which the first capacitor terminal is connected to the second lead using conductive adhesive, the second capacitor terminal is connected to the second conductive line through the conductive adhesive block, and the first lead is coupled to the first conductive line.Type: ApplicationFiled: May 19, 2021Publication date: November 24, 2022Inventors: Benjamin Stassen Cook, Yogesh Kumar Ramadass, Salvatore Frank Pavone, Mahmud Halim Chowdhury
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Patent number: 11495524Abstract: An apparatus and method for providing an artificial standoff to the bottom of leads on a QFN device sufficient to provide a gap that changes the fluid dynamics of solder flow and create a unique capillary effect that drives solder up the of leads of a UN device when it is attached to a printed wiring board (PWB).Type: GrantFiled: May 14, 2019Date of Patent: November 8, 2022Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Abram Castro, Usman Chaudhry, Joe Adam Garcia, Mahmud Halim Chowdhury
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Publication number: 20210265299Abstract: In described examples, a microelectronic device includes a microelectronic die with a die attach surface. The microelectronic device further includes a nanoparticle layer coupled to the die attach surface. The nanoparticle layer may be in direct contact with the die attach surface, or may be coupled to the die attach surface through an intermediate layer, such as an adhesion layer or a contact metal layer. The nanoparticle layer includes nanoparticles having adjacent nanoparticles adhered to each other. The microelectronic die is attached to a package substrate by a die attach material. The die attach material extends into the nanoparticle layer and contacts at least a portion of the nanoparticles.Type: ApplicationFiled: May 7, 2021Publication date: August 26, 2021Inventors: Benjamin Stassen Cook, Daniel Lee Revier, Sadia Naseem, Mahmud Halim Chowdhury
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Patent number: 11031364Abstract: In described examples, a microelectronic device includes a microelectronic die with a die attach surface. The microelectronic device further includes a nanoparticle layer coupled to the die attach surface. The nanoparticle layer may be in direct contact with the die attach surface, or may be coupled to the die attach surface through an intermediate layer, such as an adhesion layer or a contact metal layer. The nanoparticle layer includes nanoparticles having adjacent nanoparticles adhered to each other. The microelectronic die is attached to a package substrate by a die attach material. The die attach material extends into the nanoparticle layer and contacts at least a portion of the nanoparticles.Type: GrantFiled: March 7, 2018Date of Patent: June 8, 2021Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Benjamin Stassen Cook, Daniel Lee Revier, Sadia Naseem, Mahmud Halim Chowdhury
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Patent number: 11021786Abstract: In a described example, a method for passivating a copper structure includes: passivating a surface of the copper structure with a copper corrosion inhibitor layer; and depositing a protection overcoat layer with a thickness less than 35 ?m on a surface of the copper corrosion inhibitor layer.Type: GrantFiled: December 4, 2018Date of Patent: June 1, 2021Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Luu Thanh Nguyen, Mahmud Halim Chowdhury, Ashok Prabhu, Anindya Poddar
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Publication number: 20200173013Abstract: In a described example, a method for passivating a copper structure includes: passivating a surface of the copper structure with a copper corrosion inhibitor layer; and depositing a protection overcoat layer with a thickness less than 35 ?m on a surface of the copper corrosion inhibitor layer.Type: ApplicationFiled: December 4, 2018Publication date: June 4, 2020Inventors: Luu Thanh Nguyen, Mahmud Halim Chowdhury, Ashok Prabhu, Anindya Poddar
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Publication number: 20190378783Abstract: An apparatus and method for providing an artificial standoff to the bottom of leads on a QFN device sufficient to provide a gap that changes the fluid dynamics of solder flow and create a unique capillary effect that drives solder up the of leads of a UN device when it is attached to a printed wiring board (PWB).Type: ApplicationFiled: May 14, 2019Publication date: December 12, 2019Inventors: Abram Castro, Usman Chaudhry, Joe Adam Garcia, Mahmud Halim Chowdhury
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Publication number: 20190279955Abstract: In described examples, a microelectronic device includes a microelectronic die with a die attach surface. The microelectronic device further includes a nanoparticle layer coupled to the die attach surface. The nanoparticle layer may be in direct contact with the die attach surface, or may be coupled to the die attach surface through an intermediate layer, such as an adhesion layer or a contact metal layer. The nanoparticle layer includes nanoparticles having adjacent nanoparticles adhered to each other. The microelectronic die is attached to a package substrate by a die attach material. The die attach material extends into the nanoparticle layer and contacts at least a portion of the nanoparticles.Type: ApplicationFiled: March 7, 2018Publication date: September 12, 2019Applicant: Texas Instruments IncorporatedInventors: Benjamin Stassen Cook, Daniel Lee Revier, Sadia Naseem, Mahmud Halim Chowdhury
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Publication number: 20190206741Abstract: In one aspect of the disclosure, an integrated circuit is disclosed. The integrated circuit includes a first FET device formed on a substrate having a first source, a first gate, and a first channel. The first channel is formed in the substrate, connecting the first source to a common drain. The integrated circuit also includes a second FET device formed on the substrate having a second source, a second gate, and a second channel. The second channel is formed in the substrate, connecting the second source to the common drain. A trench is formed in the substrate between the first channel and the second channel.Type: ApplicationFiled: December 29, 2017Publication date: July 4, 2019Inventors: Anindya PODDAR, Usman Mahmood CHAUDHRY, Tran Kiet THU, Mahmud Halim CHOWDHURY, Peter SMEYS