Patents by Inventor CHRISTINA QUEST-MATT
CHRISTINA QUEST-MATT 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: 12165950Abstract: A power semiconductor component includes at least one power semiconductor device disposed within a housing and a heat sink having an area a exposed on a first surface of the housing. A wiring substrate has a first main surface and a second main surface. A heat dissipation region with increased thermal conductivity is disposed on the second main surface. The heat dissipation region has an area A on the second main surface, and a<A. The housing with the power semiconductor device is disposed on the second main surface of the wiring substrate in such a way that the heat sink is disposed completely on the heat dissipation region and is connected thereto by way of a solder layer. A method for producing a power semiconductor component is also provided.Type: GrantFiled: October 6, 2020Date of Patent: December 10, 2024Assignee: Vitesco Technologies GmbHInventors: Christina Quest-Matt, Detlev Bagung, Daniela Wolf
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Publication number: 20240297093Abstract: A heat dissipation device for soldering onto a printed circuit board for a semiconductor component arrangement. The device includes a semiconductor component a first electrical connector and at least one further electrical connector and a prefabricated metal block group. The metal block group has a first metal block arranged between the semiconductor component and the printed circuit board, connected to a first electrical connector of the semiconductor component by a solder joint and connected to at least one conductor track of the printed circuit board by a further solder joint. The metal block group includes at least one further metal block interposed between the further electrical connection and the printed circuit board by a solder joint. The metal blocks of the prefabricated metal block group are arranged laterally next to one another and have their lateral outer surfaces partially or completely encased by an electrically insulating casing common to them.Type: ApplicationFiled: April 25, 2024Publication date: September 5, 2024Applicant: Vitesco Technologies GmbHInventors: Detlev Bagung, Christina Quest-Matt, Thomas Riepl, Daniela Wolf
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Publication number: 20240260168Abstract: A circuit board (1) for a power semiconductor module (13), having at least one top side (2) and one bottom side (3), wherein at least one mounting area (4) for a power semiconductor component (12) is provided on the top side (2), wherein on the mounting area (4), at least one solder layer (8) is provided for connecting at least one power semiconductor component (12) to the mounting area (4), which layer is divided into regions (9) that are separated from one another by means of intermediate spaces (11), and wherein multiple thermal vias (5) are provided in the circuit board (1) and extend from the top side (2) to the bottom side (3) of the circuit board (2) in the region of the mounting area (4), wherein each upper opening (6) of the thermal vias (5) is directly surrounded by a respective region (9) of the solder layer (8) and each lower opening (7) of the vias (5) is covered by a layer (10) of electrically insulating material.Type: ApplicationFiled: June 8, 2022Publication date: August 1, 2024Applicant: VITESCO TECHNOLOGIES GMBHInventors: Detlev Bagung, Christina QUEST-MATT, Holger BALDREICH
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Patent number: 12046531Abstract: A semiconductor component having at least one semiconductor component having a first electrical connector and at least one further electrical connector, a printed circuit board, and a prefabricated metal block group. The metal block group has a first metal block arranged between the semiconductor component and the printed circuit board, connected to a first electrical connector of the semiconductor component by a solder joint and connected to at least one conductor track of the printed circuit board by a further solder joint. The metal block group includes at least one further metal block interposed between the further electrical connection and the printed circuit board by a solder joint. The metal blocks of the prefabricated metal block group are arranged laterally next to one another and have their lateral outer surfaces partially or completely encased by an electrically insulating casing common to them.Type: GrantFiled: October 8, 2019Date of Patent: July 23, 2024Assignee: Vitesco Technologies GmbHInventors: Detlev Bagung, Christina Quest-Matt, Thomas Riepl, Daniela Wolf
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Patent number: 11955402Abstract: A power semiconductor component is specified, having a power semiconductor device arranged within a housing, wherein a heat sink is exposed on a first surface of the housing; a wiring substrate which receives the housing with the power semiconductor device and which has a first main surface and a second main surface. A heat dissipation region with increased thermal conductivity is arranged on the second main surface. The housing is arranged on the wiring substrate in such a way that the heat sink is connected to the heat dissipation region via a solder layer. A number of spacers which are arranged between the heat sink and the heat dissipation region are embedded in the solder layer. Furthermore, a method for producing a power semiconductor component is specified.Type: GrantFiled: October 6, 2020Date of Patent: April 9, 2024Assignee: Vitesco Technologies GbmHInventors: Christina Quest-Matt, Detlev Bagung, Daniela Wolf
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Publication number: 20240096738Abstract: A power semiconductor component includes at least one power semiconductor device disposed within a housing and a heat sink having an area a exposed on a first surface of the housing. A wiring substrate has a first main surface and a second main surface. A heat dissipation region with increased thermal conductivity is disposed on the second main surface. The heat dissipation region has an area A on the second main surface, and a<A. The housing with the power semiconductor device is disposed on the second main surface of the wiring substrate in such a way that the heat sink is disposed completely on the heat dissipation region and is connected thereto by way of a solder layer. A method for producing a power semiconductor component is also provided.Type: ApplicationFiled: October 6, 2020Publication date: March 21, 2024Inventors: Christina Quest-Matt, Detlev Bagung, Daniela Wolf
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Patent number: 11798873Abstract: A semiconductor assembly includes a semiconductor component having a redistribution substrate with a top side, an underside and a semiconductor chip on the top side. Contact connection pads for connection to contact pads of the chip are on the top side of the substrate. External contact pads on the underside are electrically connected to the contact connection pads by conductor tracks. The external contact pads are at a greater distance from one another in a first region than a second region of the underside. The semiconductor component is on a printed circuit board. Contact pads corresponding to the external contacts are on a top side of the printed circuit board and are at a greater distance from one another in a first region than a second region of the top side. Through holes are formed between the contact pads in the first region of the printed circuit board.Type: GrantFiled: October 5, 2018Date of Patent: October 24, 2023Assignee: Vitesco Technologies GmbHInventors: Detlev Bagung, Thomas Riepl, Daniela Wolf, Christina Quest-Matt
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Publication number: 20220328377Abstract: A power semiconductor component is specified, having a power semiconductor device arranged within a housing, wherein a heat sink is exposed on a first surface of the housing; a wiring substrate which receives the housing with the power semiconductor device and which has a first main surface and a second main surface. A heat dissipation region with increased thermal conductivity is arranged on the second main surface. The housing is arranged on the wiring substrate in such a way that the heat sink is connected to the heat dissipation region via a solder layer. A number of spacers which are arranged between the heat sink and the heat dissipation region are embedded in the solder layer. Furthermore, a method for producing a power semiconductor component is specified.Type: ApplicationFiled: October 6, 2020Publication date: October 13, 2022Inventors: Christina Quest-Matt, Detlev Bagung, Daniela Wolf
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Patent number: 11362511Abstract: An electronic assembly, has at least one circuit board with conductor tracks, at least one current-limiting arrangement in the form of a thermal predetermined breaking point in at least one of the conductor tracks, and a fire-containment device in the region of the current-limiting arrangement.Type: GrantFiled: September 6, 2017Date of Patent: June 14, 2022Assignee: Vitesco Technologies GmbHInventors: Christina Quest-Matt, Detlev Bagung, Thomas Riepl
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Publication number: 20220115290Abstract: A semiconductor component having at least one semiconductor component having a first electrical connector and at least one further electrical connector, a printed circuit board, and a prefabricated metal block group. The metal block group has a first metal block arranged between the semiconductor component and the printed circuit board, connected to a first electrical connector of the semiconductor component by a solder joint and connected to at least one conductor track of the printed circuit board by a further solder joint. The metal block group includes at least one further metal block interposed between the further electrical connection and the printed circuit board by a solder joint. The metal blocks of the prefabricated metal block group are arranged laterally next to one another and have their lateral outer surfaces partially or completely encased by an electrically insulating casing common to them.Type: ApplicationFiled: October 8, 2019Publication date: April 14, 2022Inventors: Detlev Bagung, Christina Quest-Matt, Thomas Riepl, Daniela Wolf
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Publication number: 20210202366Abstract: A semiconductor assembly includes a semiconductor component having a redistribution substrate with a top side, an underside and a semiconductor chip on the top side. Contact connection pads for connection to contact pads of the chip are on the top side of the substrate. External contact pads on the underside are electrically connected to the contact connection pads by conductor tracks. The external contact pads are at a greater distance from one another in a first region than a second region of the underside. The semiconductor component is on a printed circuit board. Contact pads corresponding to the external contacts are on a top side of the printed circuit board and are at a greater distance from one another in a first region than a second region of the top side. Through holes are formed between the contact pads in the first region of the printed circuit board.Type: ApplicationFiled: October 5, 2018Publication date: July 1, 2021Inventors: DETLEV BAGUNG, THOMAS RIEPL, DANIELA WOLF, CHRISTINA QUEST-MATT
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Publication number: 20190372337Abstract: An electronic assembly, has at least one circuit board with conductor tracks, at least one current-limiting arrangement in the form of a thermal predetermined breaking point in at least one of the conductor tracks, and a fire-containment device in the region of the current-limiting arrangement.Type: ApplicationFiled: September 6, 2017Publication date: December 5, 2019Inventors: CHRISTINA QUEST-MATT, DETLEV BAGUNG, THOMAS RIEPL