Patents by Inventor Xaver Schlögel
Xaver Schlögel 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: 8633102Abstract: A module includes a semiconductor chip having at least a first terminal contact surface and a second terminal contact surface. A first bond element made of a material on the basis of Cu is attached to the first terminal contact surface, and a second bond element is attached to the second terminal contact surface. The second bond element is made of a material different from the material of the first bond element or is made of a type of bond element different from the type of the first bond element.Type: GrantFiled: July 12, 2012Date of Patent: January 21, 2014Assignee: Infineon Technologies AGInventors: Ralf Otremba, Xaver Schloegel, Khai Huat Jeffrey Low, Chee Soon Law
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Publication number: 20140008702Abstract: In accordance with an embodiment of the present invention, a semiconductor package includes a first lead frame having a first die paddle, and a second lead frame, which has a second die paddle and a plurality of leads. The second die paddle is disposed over the first die paddle. A semiconductor chip is disposed over the second die paddle. The semiconductor chip has a plurality of contact regions on a first side facing the second lead frame. The plurality of contact regions is coupled to the plurality of leads.Type: ApplicationFiled: July 9, 2012Publication date: January 9, 2014Applicant: INFINEON TECHNOLOGIES AGInventors: Ralf Otremba, Josef Hoeglauer, Juergen Schredl, Xaver Schloegel, Klaus Schiess
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Publication number: 20140001615Abstract: In accordance with an embodiment of the present invention, a semiconductor device includes a leadframe having a plurality of leads and a die paddle and a semiconductor module attached to the die paddle of the leadframe. The semiconductor module includes a first semiconductor chip disposed in a first encapsulant. The semiconductor module has a plurality of contact pads coupled to the first semiconductor chip. The semiconductor device further includes a plurality of interconnects coupling the plurality of contact pads with the plurality of leads, and a second encapsulant disposed at the semiconductor module and the leadframe.Type: ApplicationFiled: June 27, 2012Publication date: January 2, 2014Applicant: INFINEON TECHNOLOGIES AUSTRIA AGInventors: Ralf Otremba, Josef Hoeglauer, Juergen Schredl, Xaver Schloegel, Klaus Schiess
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Publication number: 20130200532Abstract: A method includes providing a semiconductor chip having a first main surface and a second main surface. A semiconductor chip is placed on a carrier with the first main surface of the semiconductor chip facing the carrier. A first layer of solder material is provided between the first main surface and the carrier. A contact clip including a first contact area is placed on the semiconductor chip with the first contact area facing the second main surface of the semiconductor chip. A second layer of solder material is provided between the first contact area and the second main surface. Thereafter, heat is applied to the first and second layers of solder material to form diffusion solder bonds between the carrier, the semiconductor chip and the contact clip.Type: ApplicationFiled: February 8, 2012Publication date: August 8, 2013Applicant: INFINEON TECHNOLOGIES AGInventors: Ralf Otremba, Fong Lim, Abdul Rahman Mohamed, Chooi Mei Chong, Ida Fischbach, Xaver Schloegel, Juergen Schredl, Josef Hoeglauer
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Publication number: 20130154123Abstract: In various embodiments, a semiconductor device may include: a carrier; a semiconductor chip disposed over a first side of the carrier; a layer stack disposed between the carrier and the semiconductor chip or over a second side of the carrier opposite the semiconductor chip, or both, the layer stack including at least a first electrically insulating layer, the first electrically insulating layer having a laminate having a first electrically insulating matrix material and a first mechanically stabilizing material embedded in the first electrically insulating matrix material.Type: ApplicationFiled: December 20, 2011Publication date: June 20, 2013Applicant: INFINEON TECHNOLOGIES AGInventors: Yong Chern Poh, Sze Lin Celine Tan, Teck Sim Lee, Kean Cheong Lee, Ralf Otremba, Xaver Schloegel, Juergen Schredl, Josef Hoeglauer
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Patent number: 8410592Abstract: A semiconductor device includes a vertical transistor and an external contact plane. The transistor includes: a first side with a first load electrode and a control electrode, and an opposite second side with a second load electrode. The first side of the transistor faces the external contact plane. A dielectric layer extends from at least one edge side of the transistor as far as the second load terminal. An electrically conductive deposited layer is arranged on the dielectric layer and electrically connects the second load electrode to the second load terminal.Type: GrantFiled: October 9, 2007Date of Patent: April 2, 2013Assignee: Infineon Technologies, AGInventors: Ralf Otremba, Xaver Schloegel
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Publication number: 20130062722Abstract: In various embodiments, a chip module may include a first chip; and a leadframe with a first leadframe area and a second leadframe area, wherein the first leadframe area is electrically insulated from the second leadframe area; wherein the first chip is arranged at least partially on the first leadframe area and at least partially on the second leadframe area.Type: ApplicationFiled: September 12, 2012Publication date: March 14, 2013Applicant: INFINEON TECHNOLOGIES AGInventors: Josef Hoeglauer, Ralf Otremba, Xaver Schloegel
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Publication number: 20130027113Abstract: A semiconductor chip includes a power transistor circuit with a plurality of active transistor cells. A first load electrode and a control electrode are arranged on a first face of the semiconductor chip, wherein the first load electrode includes a first metal layer. A second load electrode is arranged on a second face of the semiconductor chip. A second metal layer is arranged over the first metal layer, wherein the second metal layer is electrically insulated from the power transistor circuit and the second metal layer is arranged over an area of the power transistor circuit that comprises at least one of the plurality of active transistor cells.Type: ApplicationFiled: July 27, 2011Publication date: January 31, 2013Applicant: Infineon Technologies AGInventors: Ralf Otremba, Josef Hoeglauer, Juergen Schredl, Xaver Schloegel
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Patent number: 8334586Abstract: Stacked semiconductor chips. One embodiment provides a device having a first body. A first power semiconductor chip and first external contact elements is provides. A second body includes a second semiconductor chip and second external contact elements. The second body is placed over the first body. The first external contact elements and the second external contact elements define a first plane.Type: GrantFiled: May 18, 2011Date of Patent: December 18, 2012Assignee: Infineon Technologies AGInventors: Ralf Otremba, Josef Hoeglauer, Xaver Schloegel, Soon Hock Tong, Kwai Hong Wong
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Publication number: 20120276693Abstract: A module includes a semiconductor chip having at least a first terminal contact surface and a second terminal contact surface. A first bond element made of a material on the basis of Cu is attached to the first terminal contact surface, and a second bond element is attached to the second terminal contact surface. The second bond element is made of a material different from the material of the first bond element or is made of a type of bond element different from the type of the first bond element.Type: ApplicationFiled: July 12, 2012Publication date: November 1, 2012Applicant: INFINEON TECHNOLOGIES AGInventors: Ralf Otremba, Xaver Schloegel, Khai Huat Jeffrey Low, Chee Soon Law
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Patent number: 8237268Abstract: A module includes a semiconductor chip having at least a first terminal contact surface and a second terminal contact surface. A first bond element made of a material on the basis of Cu is attached to the first terminal contact surface, and a second bond element is attached to the second terminal contact surface. The second bond element is made of a material different from the material of the first bond element or is made of a type of bond element different from the type of the first bond element.Type: GrantFiled: March 20, 2007Date of Patent: August 7, 2012Assignee: Infineon Technologies AGInventors: Ralf Otremba, Xaver Schloegel, Khai Huat Jeffrey Low, Chee Soon Law
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Publication number: 20120070941Abstract: The invention concerns a module comprising a carrier element, a semiconductor device mounted on said carrier element and a silicon-based insulating layer. The silicon-based insulating layer is arranged on the side of the carrier element opposite to the semiconductor device. The invention further concerns a module comprising a semiconductor device, a mold compound at least partly covering the semiconductor device and a silicon-based passivation layer. The silicon-based passivation layer covers at least partly the periphery of the mold compound.Type: ApplicationFiled: October 26, 2011Publication date: March 22, 2012Applicant: INFINEON TECHNOLOGIES AGInventors: Ralf Otremba, Xaver Schloegel, Christof Matthias Schilz
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Patent number: 8115294Abstract: A power semiconductor device has a first chip carrier part (11) and a second chip carrier part (12), the first chip carrier part (11) and the second chip carrier part (12) being spaced apart from one another and being electrically conductive in each case. A first chip with a power transistor is arranged on the first chip carrier part (11) and a second chip (14) is arranged on the second chip carrier part (12). The terminal for a first potential (DC?) of a supply voltage is electrically connected to the first chip (13) via the first chip carrier part and the terminal for the second potential of a supply voltage (DC+) is electrically connected to the second chip (14) via the second chip carrier part.Type: GrantFiled: March 16, 2007Date of Patent: February 14, 2012Assignee: Infineon Technologies AGInventors: Ralf Otremba, Xaver Schloegel
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Patent number: 8093713Abstract: The invention concerns a module comprising a carrier element, a semiconductor device mounted on said carrier element and a silicon-based insulating layer. The silicon-based insulating layer is arranged on the side of the carrier element opposite to the semiconductor device. The invention further concerns a module comprising a semiconductor device, a mold compound at least partly covering the semiconductor device and a silicon-based passivation layer. The silicon-based passivation layer covers at least partly the periphery of the mold compound.Type: GrantFiled: February 9, 2007Date of Patent: January 10, 2012Assignee: Infineon Technologies AGInventors: Ralf Otremba, Xaver Schloegel, Christof Matthias Schilz
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Patent number: 8030131Abstract: A module having a semiconductor chip with a first contact element on a first main surface and a second contact element on a second main surface is disclosed. The semiconductor chip is arranged on a carrier. An insulating layer and a wiring layer cover the second main surface and the carrier.Type: GrantFiled: March 12, 2009Date of Patent: October 4, 2011Assignee: Infineon Technologies AGInventors: Ralf Otremba, Xaver Schloegel, Klaus Schiess, Tien Lai Tan
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Publication number: 20110215460Abstract: Stacked semiconductor chips. One embodiment provides a device having a first body. A first power semiconductor chip and first external contact elements is provides. A second body includes a second semiconductor chip and second external contact elements. The second body is placed over the first body. The first external contact elements and the second external contact elements define a first plane.Type: ApplicationFiled: May 18, 2011Publication date: September 8, 2011Applicant: INFINEON TECHNOLOGIES AGInventors: Ralf Otremba, Josef Hoeglauer, Xaver Schloegel, Soon Hock Tong, Kwai Hong Wong
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Patent number: 7969018Abstract: Stacked semiconductor chips. One embodiment provides a device having a first body. A first power semiconductor chip and first external contact elements is provides. A second body includes a second semiconductor chip and second external contact elements. The second body is placed over the first body. The first external contact elements and the second external contact elements define a first plane.Type: GrantFiled: July 15, 2008Date of Patent: June 28, 2011Assignee: Infineon Technologies AGInventors: Ralf Otremba, Josef Hoeglauer, Xaver Schloegel, Soon Hock Tong, Kwai Hong Wong
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Patent number: 7923827Abstract: Semiconductor module for a Switched-Mode Power Supply comprises at least one semiconductor power switch, a control semiconductor chip and a leadframe comprising a die pad and a plurality of leads disposed on one side of the die pad. The die pad comprises at least two mechanically isolated regions wherein the semiconductor power switch is mounted on a first region of the die pad and the control semiconductor chip is mounted on a second region of the die pad. Plastic housing material electrically isolates the first region and the second region of the die pad and electrically isolates the semiconductor power switch from the control semiconductor chip.Type: GrantFiled: July 28, 2005Date of Patent: April 12, 2011Assignee: Infineon Technologies AGInventors: Yang Hong Heng, Kean Cheong Lee, Xaver Schloegel, Gerhard Deml, Ralf Otremba, Juergen Schredl
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Patent number: 7851908Abstract: A semiconductor device is disclosed. One embodiment provides a module including a first carrier having a first mounting surface and a second mounting surface, a first semiconductor chip mounted onto the first mounting surface of the first carrier and having a first surface facing away from the first carrier, a first connection element connected to the first surface of the first semiconductor chip, a second semiconductor chip having a first surface facing away from the first carrier, a second connection element connected to the first surface of the second semiconductor chip, and a mold material covering the first connection element and the second connection element only partially.Type: GrantFiled: June 27, 2007Date of Patent: December 14, 2010Assignee: Infineon Technologies AGInventors: Ralf Otremba, Xaver Schloegel, Josef Hoeglauer, Erwin Huber
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Patent number: 7759777Abstract: A module having a semiconductor chip with a first contact element on a first main surface and a second contact element on a second main surface is disclosed. The semiconductor chip is arranged on a carrier. An insulating layer and a wiring layer cover the second main surface and the carrier.Type: GrantFiled: April 16, 2007Date of Patent: July 20, 2010Assignee: Infineon Technologies AGInventors: Ralf Otremba, Xaver Schloegel, Klaus Schiess, Charlie Tan Tien Lai