Patents Examined by Shaka Scarlett
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Patent number: 7863163Abstract: A method for depositing a carbon doped epitaxial semiconductor layer comprises maintaining a pressure of greater than about 700 torr in a process chamber housing a patterned substrate having exposed single crystal material. The method further comprises providing a flow of a silicon source gas to the process chamber. The silicon source gas comprises dichlorosilane. The method further comprises providing a flow of a carbon precursor to the process chamber. The method further comprises selectively depositing the carbon doped epitaxial semiconductor layer on the exposed single crystal material.Type: GrantFiled: December 22, 2006Date of Patent: January 4, 2011Assignee: ASM America, Inc.Inventor: Matthias Bauer
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Patent number: 7863684Abstract: Disclosed herein is a semiconductor memory device including plural unit cells, each constituted with a floating body transistor without any capacitor, to prevent data distortion and data crash in the unit cell. A semiconductor memory device comprises plural active regions and a device isolation layer for separating each active region from each others, wherein the plural active regions stand in row and column lines.Type: GrantFiled: December 29, 2008Date of Patent: January 4, 2011Assignee: Hynix Semiconductor Inc.Inventor: Tae Su Jang
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Patent number: 7858480Abstract: A semiconductor device according to one embodiment includes: a semiconductor substrate comprising an element isolation region; two gate electrodes formed in substantially parallel on the semiconductor substrate via respective gate insulating films; two channel regions each formed in regions of the semiconductor substrate under the two gate electrodes; a source/drain region formed in a region of the semiconductor substrate sandwiching the two channel regions; a first stress film formed so as to cover the semiconductor substrate and the two gate electrodes; and a second stress film formed in at least a portion of a void, the void being formed in a region between the two gate electrodes.Type: GrantFiled: February 20, 2009Date of Patent: December 28, 2010Assignee: Kabushiki Kaisha ToshibaInventor: Hiroyuki Yamasaki
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Patent number: 7834348Abstract: The present invention provides a display device and a manufacturing method thereof. The display device includes a gate line, a data line that is insulated from and crosses the gate line, a thin film transistor including a semiconductor layer and connected to the gate line and the data line, a pixel electrode connected to the thin film transistor, and a dummy drain electrode adjacent to a channel region of the thin film transistor. The dummy drain electrode is not connected to the pixel electrode.Type: GrantFiled: February 19, 2009Date of Patent: November 16, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Min-Ho Yoon, Jung-Han Shin, Seon-Pil Jang
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Patent number: 7829998Abstract: A semiconductor wafer contains a plurality of die with contact pads disposed on a first surface of each die. Metal vias are formed in trenches in the saw street guides and are surrounded by organic material. Traces connect the contact pads and metal vias. The metal vias can be half-circle vias or full-circle vias. The metal vias are surrounded by organic material. Redistribution layers (RDL) are formed on a second surface of the die opposite the first surface. The RDL and THV provide expanded interconnect flexibility to adjacent die. Repassivation layers are formed between the RDL on the second surface of the die for electrical isolation. The die are stackable and can be placed in a semiconductor package with other die. The RDL provide electrical interconnect to the adjacent die. Bond wires and solder bumps also provide electrical connection to the semiconductor die.Type: GrantFiled: September 25, 2007Date of Patent: November 9, 2010Assignee: STATS ChipPAC, Ltd.Inventors: Byung Tai Do, Heap Hoe Kuan, Linda Pei Ee Chua
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Patent number: 7816203Abstract: A method is provided for fabricating a semiconductor device having a gate electrode overlying a gate insulator. The method, in accordance with one embodiment, comprises depositing a layer of spin on glass overlying the gate electrode, the layer of spin on glass comprising a substantially UV opaque material. The layer of spin on glass is heated to a temperature less than about 450° C., and all subsequent process steps in the fabrication of the device are limited to temperatures less than about 450° C.Type: GrantFiled: March 16, 2006Date of Patent: October 19, 2010Assignee: Spansion LLCInventors: William Scott Bass, Mark R. Breen
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Patent number: 7811891Abstract: A semiconductor process and apparatus uses a predetermined sequence of patterning and etching steps to etch a gate stack (30, 32) formed over a substrate (36), thereby forming an etched gate (33) having a vertical sidewall profile (35). By constructing the gate stack (30, 32) with a graded material composition of silicon-based layers, the composition of which is selected to counteract the etching tendencies of the predetermined sequence of patterning and etching steps, a more idealized vertical gate sidewall profile (35) may be obtained.Type: GrantFiled: January 13, 2006Date of Patent: October 12, 2010Assignee: Freescale Semiconductor, Inc.Inventors: Marius K. Orlowski, Olubunmi O. Adetutu, Phillip J. Stout
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Patent number: 7811924Abstract: Methods for patterning films and their resulting structures. In an embodiment, an amorphous carbon mask is formed over a substrate, such as a damascene layer. A spacer layer is deposited over the amorphous carbon mask and the spacer layer is etched to form a spacer and to expose the amorphous carbon mask. The amorphous carbon mask is removed selectively to the spacer to expose the substrate layer. A gap fill layer is deposited around the spacer to cover the substrate layer but expose the spacer. The spacer is removed selectively to form a gap fill mask over the substrate. The pattern of the gap fill mask is transferred, in one implementation, into a damascene layer to remove at least a portion of an IMD and form an air gap.Type: GrantFiled: December 17, 2008Date of Patent: October 12, 2010Assignee: Applied Materials, Inc.Inventors: Zhenjiang Cui, Mehul Naik, Christopher D. Bencher, Kenneth MacWilliams
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Patent number: 7799620Abstract: A method for manufacturing a semiconductor device provided with a circuit capable of high speed operation while the manufacturing cost is reduced.Type: GrantFiled: March 27, 2008Date of Patent: September 21, 2010Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Tatsuya Honda
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Patent number: 7795083Abstract: The invention provides a method for forming a semiconductor structure. A plurality of first type well regions is formed in the first type substrate. A plurality of second type well regions and a plurality of second type bar doped regions are formed in the first type substrate by a doping process using a mask. The second type bar doped regions are diffused to form a second type continuous region by annealing. The second type continuous region is adjoined with the first type well regions. A second type dopant concentration of the second type continuous region is smaller than a second type dopant concentration of the second type bar doped regions. A second type source/drain region is formed in the second type well region.Type: GrantFiled: February 16, 2009Date of Patent: September 14, 2010Assignee: Vanguard International Semiconductor CorporationInventors: Hung-Shern Tsai, Shang-Hui Tu, Shin-Cheng Lin
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Patent number: 7786485Abstract: A thin-film transistor includes a pair of impurity semiconductor layers in which an impurity element imparting one conductivity type is added to form a source and drain regions so as to be overlapped at least partly with a gate electrode with a gate insulating layer interposed between the gate electrode and the impurity semiconductor layers; a pair of conductive layers which is overlapped over the gate insulating layers at least partly with the gate electrode and the impurity semiconductor layers, and is disposed with a space therebetween in a channel length direction; and an amorphous semiconductor layer which is in contact with the gate insulating layer and the pair of conductive layers and is extended between the pair of conductive layers.Type: GrantFiled: February 20, 2009Date of Patent: August 31, 2010Assignee: Semicondutor Energy Laboratory Co., Ltd.Inventors: Koji Dairiki, Hidekazu Miyairi, Yoshiyuki Kurokawa, Shunpei Yamazaki, Hiromichi Godo, Daisuke Kawae, Satoshi Kobayashi
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Patent number: 7772064Abstract: A method of fabricating a self-aligned contact is provided. A first dielectric layer is formed on a substrate having a contact region thereon. Next, a lower opening corresponding to the contact region is formed in the first dielectric layer. Thereafter, a second dielectric layer is formed on the first dielectric layer, and then an upper opening self-aligned to and communicated with the lower opening is formed in the second dielectric layer, wherein the upper opening and the lower opening constitute a self-aligned contact opening. Afterwards, the self-aligned contact opening is filled with a conductive layer.Type: GrantFiled: March 5, 2007Date of Patent: August 10, 2010Assignee: United Microelectronics Corp.Inventor: Chan-Lon Yang
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Patent number: 7763487Abstract: A process for manufacturing an integrated differential pressure sensor includes forming, in a monolithic body of semiconductor material having a first face and a second face, a cavity extending at a distance from the first face and delimiting therewith a flexible membrane, forming an access passage in fluid communication with the cavity, and forming, in the flexible membrane, at least one transduction element configured so as to convert a deformation of the flexible membrane into electrical signals. The cavity is formed in a position set at a distance from the second face and delimits, together with the second face, a portion of the monolithic body. In order to form the access passage, the monolithic body is etched so as to form an access trench extending through it.Type: GrantFiled: May 4, 2006Date of Patent: July 27, 2010Assignee: STMicroelectronics S.r.l.Inventors: Flavio Francesco Villa, Pietro Corona, Gabriele Barlocchi, Lorenzo Baldo
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Patent number: 7727893Abstract: In a method of forming a dielectric layer pattern, lower patterns are formed on a substrate. A first dielectric layer is formed on sidewalls and upper surfaces of the lower patterns and a surface of the substrate. A mask pattern is formed on the first dielectric layer to partially expose the first dielectric layer. The exposed first dielectric layer on upper surfaces and upper sidewalls of the lower patterns is partially removed and the removed first dielectric layer is deposited on surfaces of the first dielectric layer between the lower patterns, to form a second dielectric layer having a thickness greater than that of the first dielectric layer. The second dielectric layer on the sidewalls of the lower patterns and the substrate is etched to form a dielectric layer pattern. Accordingly, damage to the underlying layer may be reduced, and an unnecessary dielectric layer may be completely removed.Type: GrantFiled: December 17, 2008Date of Patent: June 1, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-Ho Min, Dong-Hyun Kim
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Patent number: 7728368Abstract: According to an aspect of the invention, there is provided a semiconductor device including a semiconductor substrate, a lower electrode film formed on the semiconductor substrate, a dielectric film formed on the lower electrode film, and an upper electrode film formed on the dielectric film, wherein the lower electrode film, the dielectric film and the upper electrode film construct a capacitor in a predetermined region on the semiconductor substrate, the dielectric film is separated from the upper electrode film outside the predetermined region, and the dielectric film is formed continuously with respect to an adjacent cell.Type: GrantFiled: February 15, 2007Date of Patent: June 1, 2010Assignee: Kabushiki Kaisha ToshibaInventors: Soichi Yamazaki, Koji Yamakawa
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Patent number: 7723173Abstract: A method for preventing oxidation in a high-k dielectric/metal gate stack in the manufacture of an integrated circuit device is disclosed. In a detailed embodiment, a PMOS region stack has nitrided hafnium silicide, tungsten, tantalum nitride and polysilicon layers. An NMOS region stack has nitrided hafnium silicide, tungsten silicide, tantalum nitride and polysilicon layers. A thin polysilicon layer deposited over the stacks is converted to an oxide using a low temperature ultraviolet ozone oxidation process or a plasma nitridation using decoupled plasma nitridation or NH3 annealing. The oxide provides a coating over the top and sides of the stacks to protect metal and interfaces from oxidation.Type: GrantFiled: March 9, 2009Date of Patent: May 25, 2010Assignee: Texas Instruments IncorporatedInventors: Ajith Varghese, James J. Chambers
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Patent number: 7723224Abstract: A method is provided for forming a microelectronic assembly. A contact structure (46) is formed over a first side of a first substrate (20) having a microelectronic device formed over a second side thereof. The contact structure is electrically connected to the microelectronic device. A non-solderable layer (52) is formed over at least a portion of the contact structure and at least a portion of the first substrate. The contact structure and a second substrate (62) are interconnected with solder (68).Type: GrantFiled: June 14, 2006Date of Patent: May 25, 2010Assignee: Freescale Semiconductor, Inc.Inventors: Darrell G. Hill, Philip H. Bowles, Jan Campbell, Terry K. Daly, Jason R. Fender, Lakshmi N. Ramanathan, Neil T. Tracht
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Patent number: 7713845Abstract: A laser processing method for a wafer such that a laser beam is applied to a work surface of the wafer along a separation line formed on the work surface to thereby form a laser processed groove along the separation line on the work surface by ablation. The laser processing method includes a protective material coating step for coating the work surface of the wafer with a liquid protective material mainly containing a water-soluble silicone oil and a laser processed groove forming step for applying the laser beam to the work surface coated with the protective material along the separation line in the condition that the protective material has fluidity, thereby forming the laser processed groove along the separation line.Type: GrantFiled: September 19, 2007Date of Patent: May 11, 2010Assignee: Disco CorporationInventors: Yukio Morishige, Kenji Asano, Yohei Yamashita
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Patent number: 7704843Abstract: In a semiconductor device and a method of manufacturing the same, a conductive structure is formed on an active region defined by a device isolation layer on a semiconductor substrate. The conductive structure includes a gate pattern and source/drain regions adjacent to the gate pattern. A first semiconductor layer is formed on the active region by a selective epitaxial growth (SEG) process. An amorphous layer is formed on the first semiconductor layer. A second semiconductor layer is formed from a portion of the amorphous layer by a solid-phase epitaxy (SPE) process. Elevated structures are formed on the source/drain regions by removing a remaining portion of the amorphous layer from the substrate, so the elevated structure includes the first semiconductor layer and the second semiconductor layer stacked on the first semiconductor layer. The device isolation layer may be prevented from being covered with the elevated structures, to thereby prevent contact failures.Type: GrantFiled: December 15, 2008Date of Patent: April 27, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-Hoon Son, Jong-Wook Lee
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Patent number: 7696080Abstract: A method for manufacturing an SIP semiconductor device is provided. In this method, a first Organic Solderability Preservative (OSP) is coated over an upper surface of a semiconductor device including a plurality of elements and a first through electrode. An electrochemical plate (ECP) process is then performed on the semiconductor device. A second OSP is then coated over a lower surface of the semiconductor device, the lower surface including a Cu plug that has been formed over the first through electrode through the ECP process. The upper and lower (first and second) OSPs are used to prevent the Cu plug from being easily oxidized when exposed to the air.Type: GrantFiled: August 24, 2007Date of Patent: April 13, 2010Assignee: Dongbu HiTek Co., Ltd.Inventor: Jong-Taek Hwang