Complementary Devices Share Common Active Region (e.g., Integrated Injection Logic, I 2 L) Patents (Class 257/512)
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Patent number: 12191372Abstract: A crystal that is useful for semiconductor element and a semiconductor element that has enhanced electrical properties are provided. A crystal, including: a corundum structured crystalline oxide, the crystalline oxide including gallium and/or indium, and the crystalline oxide further including a metal of Group 4 of the periodic table. The crystal is used to make a semiconductor element, and the obtained semiconductor element is used to make a semiconductor device such as a power card. Also, the semiconductor element and the semiconductor device are used to make a semiconductor system.Type: GrantFiled: September 23, 2022Date of Patent: January 7, 2025Assignee: FLOSFIA INC.Inventors: Ryohei Kanno, Osamu Imafuji, Kazuyoshi Norimatsu, Yuji Kato
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Patent number: 9012881Abstract: Resistive-switching memory elements having improved switching characteristics are described, including a memory element having a first electrode and a second electrode, a switching layer between the first electrode and the second electrode comprising hafnium oxide and having a first thickness, and a coupling layer between the switching layer and the second electrode, the coupling layer comprising a material including metal titanium and having a second thickness that is less than 25 percent of the first thickness.Type: GrantFiled: April 17, 2014Date of Patent: April 21, 2015Assignee: Intermolecular, Inc.Inventors: Ronald J. Kuse, Tony P. Chiang, Imran Hashim
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Patent number: 8901704Abstract: An integrated circuit and a manufacturing method thereof are provided. A chip size can be reduced by forming a memory device in which a ferroelectric capacitor region is laminated on a DRAM. The integrated circuit includes a cell array region having a capacitor, a peripheral circuit region, and a ferroelectric capacitor region being formed on an upper layer of the cell array region and the peripheral circuit region, and having a ferroelectric capacitor device.Type: GrantFiled: April 20, 2007Date of Patent: December 2, 2014Assignee: SK Hynix Inc.Inventor: Hee Bok Kang
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Patent number: 8723156Abstract: Resistive-switching memory elements having improved switching characteristics are described, including a memory element having a first electrode and a second electrode, a switching layer between the first electrode and the second electrode comprising hafnium oxide and having a first thickness, and a coupling layer between the switching layer and the second electrode, the coupling layer comprising a material including metal titanium and having a second thickness that is less than 25 percent of the first thickness.Type: GrantFiled: October 22, 2012Date of Patent: May 13, 2014Assignee: Intermolecular, Inc.Inventors: Ronald J. Kuse, Tony P. Chiang, Imran Hashim
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Patent number: 8710553Abstract: An integrated circuit includes a substrate. The substrate includes diffusion lines. The diffusion lines include impurities diffused into the substrate. A signal line layer includes first signal lines. A first metal layer includes second signal lines. The second signal lines include a first metallic material. A second metal layer includes third signal lines. The third signal lines include a second metallic material. First contacts connect the diffusion lines to (i) a first set of the second signal lines, or (ii) a first set of the third signal lines. Second contacts connect a first set of the first signal lines to a second set of the third signal lines. Each signal line in a first set of the second signal lines includes first portions and second portions. The first portions extend towards and are not connected to the second contacts. The first portions are not parallel to the second portions.Type: GrantFiled: July 3, 2013Date of Patent: April 29, 2014Assignee: Marvell International Ltd.Inventors: Qiang Tang, Min She, Ken Liao
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Patent number: 8686512Abstract: Roughly described, transistor channel regions are elevated over the level of certain adjacent STI regions. Preferably the STI regions that are transversely adjacent to the diffusion regions are suppressed, as are STI regions that are longitudinally adjacent to N-channel diffusion regions. Preferably STI regions that are longitudinally adjacent to P-channel diffusions are not suppressed; preferably they have an elevation that is at least as high as that of the diffusion regions.Type: GrantFiled: August 30, 2011Date of Patent: April 1, 2014Assignee: Synopsys, Inc.Inventors: Victor Moroz, Dipankar Pramanik, Xi-Wei Lin
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Patent number: 8574982Abstract: A method and circuit for implementing an embedded dynamic random access memory (eDRAM), and a design structure on which the subject circuit resides are provided. The embedded dynamic random access memory (eDRAM) circuit includes a stacked field effect transistor (FET) and capacitor. The capacitor is fabricated directly on top of the FET to build the eDRAM.Type: GrantFiled: February 25, 2010Date of Patent: November 5, 2013Assignee: International Business Machines CorporationInventors: Karl Robert Erickson, David Paul Paulsen, John Edward Sheets, II, Kelly L. Williams
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Patent number: 8445888Abstract: The present invention relates to a resistive random access memory using the rare earth scandate thin film as the storage medium, comprising a substrate, an insulation layer, a first electrode layer, a resistive memory layer, and a second electrode layer. In the present invention, it uses an amorphous rare earth scandate layer as the resistive memory layer of the resistive random access memory. Therefore, the resistive random access memory using the rare earth scandate thin film as the storage medium having advantages of low operation voltage and low power consumption can easily be manufactured without using any forming process or thermal annealing process. Moreover, through the characteristics of unipolar resistance switching behavior revealed by the amorphous rare earth scandate layer, the resistive random access memory using rare earth scandate thin film as the storage medium is able to perform a high resistance state and a low resistance state.Type: GrantFiled: February 24, 2012Date of Patent: May 21, 2013Assignee: National Taiwan University of Science and TechnologyInventors: Jinn Chu, Wen-Zhi Chang
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Patent number: 8421184Abstract: A semiconductor device includes: a semiconductor substrate having a first semiconductor layer and a second semiconductor layer formed on a first surface; a diode having a first electrode and a second electrode; a control pad; a control electrode electrically coupled with the control pad; and an insulation member. The first electrode is formed on a second surface of the first semiconductor layer. The second electrode is formed on the first surface. Current flows between the first electrode and the second electrode. The control pad is arranged on the first surface so that the pad inputs a control signal for controlling an injection amount of a carrier into the first semiconductor layer. The insulation member insulates between the control electrode and the second electrode and between the control electrode and the semiconductor substrate.Type: GrantFiled: May 17, 2010Date of Patent: April 16, 2013Assignee: DENSO CORPORATIONInventors: Masaki Koyama, Yoshiko Fukuda, Yuji Fukuda, Mika Ootsuki
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Patent number: 8354662Abstract: The invention relates to semiconducting nanoparticles. The nanoparticles of the invention comprise a single element or a compound of elements in one or more of groups II, III, IV, V, VI. The nanoparticles have a size in the range of 1 nm to 500 nm, and comprise from 0.1 to 20 atomic percent of oxygen or hydrogen. The nanoparticles are typically formed by comminution of bulk high purity silicon. One application of the nanoparticles is in the preparation of inks which can be used to define active layers or structures of semiconductor devices by simple printing methods.Type: GrantFiled: June 29, 2006Date of Patent: January 15, 2013Assignee: PST Sensors, Ltd.Inventors: David Thomas Britton, Margit Härting
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Patent number: 8344523Abstract: Conductive compositions which are useful as thermally conductive compositions and may also be useful as electrically conductive compositions are provided. The compositions include a conductive particle constituent in combination with a sintering aid which can, for example be a compound of the same metal in the nanometal, an organo-metallic, a metalorganic salt, mercaptan and/or resinate. In some embodiments the conductive particles include a small amount of nanoscale (<200 nm) particles. The compositions exhibit increased thermal conductivity.Type: GrantFiled: July 30, 2009Date of Patent: January 1, 2013Assignee: Diemat, Inc.Inventors: Raymond L. Dietz, Maciej Patelka, Akito Yoshii, Pawel Czubarow, Takashi Sakamoto, Yukinari Abe
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Patent number: 8343813Abstract: Resistive-switching memory elements having improved switching characteristics are described, including a memory element having a first electrode and a second electrode, a switching layer between the first electrode and the second electrode comprising hafnium oxide and having a first thickness, and a coupling layer between the switching layer and the second electrode, the coupling layer comprising a material including metal titanium and having a second thickness that is less than 25 percent of the first thickness.Type: GrantFiled: February 12, 2010Date of Patent: January 1, 2013Assignee: Intermolecular, Inc.Inventors: Ronald John Kuse, Imran Hashim, Tony Chiang
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Patent number: 8319289Abstract: A technique for suppressing lowering of withstand voltage and lowering of breakdown resistance and reducing a feedback capacitance of a power MISFET is provided. A lateral power MISFET that comprises a trench region whose insulating layer is formed shallower than an HV-Nwell layer is provided in the HV-Nwell layer (drift region) formed on a main surface of a semiconductor substrate in a direction from the main surface to the inside. The lateral power MISFET has an arrangement on a plane of the main surface including a source layer (source region) and a drain layer (drain region) arranged at opposite sides to each other across a gate electrode (first conducting layer), and a dummy gate electrode (second conducting layer) that is different from the gate electrode is arranged between the gate electrode and the drain layer.Type: GrantFiled: December 27, 2007Date of Patent: November 27, 2012Assignee: Renesas Electronics CorporationInventors: Masaki Shiraishi, Noboru Akiyama, Takayuki Hashimoto
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Patent number: 8278689Abstract: A memory array including a diffusion layer, a poly layer, a metal one layer, a metal two layer, and a contact. The diffusion layer comprises diffusion lines extending in a first direction. The poly layer comprises poly lines extending in the first direction and being arranged on top of and insulated from the diffusion layer. The metal one layer comprises metal one lines extending in the first direction and being arranged on top of and insulated from the poly layer. The metal two layer comprises a metal two line extending in the first direction and being arranged on top of and insulated from the metal one layer. The contact extends through the poly layer, and connects a metal one line to a diffusion line. A poly line further extends in a second direction to bend around the contact such that a predetermined distance separates the poly lines from the contact.Type: GrantFiled: September 19, 2011Date of Patent: October 2, 2012Assignee: Marvell International Ltd.Inventors: Qiang Tang, Min She, Ken Liao
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Patent number: 8093131Abstract: In a semiconductor device of the present invention, a first base region 16 is extended to a part under a gate electrode 7 while having a vertical concentration profile of an impurity that increases from the surface of a semiconductor layer 3 and becomes maximum under an emitter region 5, and the length in the lateral direction from a point where the impurity concentration becomes maximum located under an end of the gate electrode 7 to the boundary with a second base region 15 is not smaller than the length in the vertical direction from the point where the impurity concentration becomes maximum to the boundary with the second base region 15.Type: GrantFiled: December 9, 2010Date of Patent: January 10, 2012Assignee: Panasonic CorporationInventors: Teruhisa Ikuta, Yoshinobu Sato
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Patent number: 8022443Abstract: An integrated circuit includes a plurality of signal lines. A first signal line layer includes a plurality of first signal lines. A second signal line layer includes a plurality of second signal lines arranged on top of and insulated from the first signal line layer. A third signal line layer includes a plurality of third signal lines arranged on top of and insulated from the second signal line layer. A contact extends through the second signal line layer and connects at least one of the plurality of third signal lines to at least one of the first signal lines. At least one of the second signal lines further extends in a second direction to bend around the contact such that a predetermined distance separates the plurality of second signal lines from the contact.Type: GrantFiled: December 4, 2008Date of Patent: September 20, 2011Assignee: Marvell International Ltd.Inventors: Qiang Tang, Min She, Ken Liao
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Patent number: 7999328Abstract: A method of forming and resulting isolation region, which allows for densification of an oxide layer in the isolation region. One exemplary embodiment of the method includes the steps of forming a first trench, forming an oxide layer on the bottom and sidewalls of the trench, forming nitride spacers on the lined trench, and thereafter etching the silicon beneath the first trench to form a second trench area. An oxide layer is then deposited to fill the second trench. Densification of the isolation region is possible because the silicon is covered with nitride, and therefore will not be oxidized. Light etches are then performed to etch the oxide and nitride spacer area in the first trench region. A conventional oxide fill process can then be implemented to complete the isolation region.Type: GrantFiled: March 6, 2007Date of Patent: August 16, 2011Assignee: Micron Technology, Inc.Inventors: Sukesh Sandhu, Gurtej Sandhu
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Patent number: 7816264Abstract: A wafer processing method having a step of reducing the thickness of a wafer in only a device forming area where semiconductor chips are formed by grinding and etching the back side of the wafer to thereby form a recess on the back side of the wafer. At the same time, an annular projection is formed around the recess to thereby ensure the rigidity of the wafer. Accordingly, handling in shifting the wafer from the back side recess forming step to a subsequent step of forming a back side rewiring layer can be performed safely and easily.Type: GrantFiled: July 7, 2008Date of Patent: October 19, 2010Assignee: Disco CorporationInventors: Keiichi Kajiyama, Kazuhisa Arai
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Patent number: 7626269Abstract: The invention includes semiconductor assemblies having two or more dies. An exemplary assembly has circuitry associated with a first die front side electrically connected to circuitry associated with a second die front side. The front side of the second die is adjacent a back side of the first die, and a through wafer interconnect extends through the first die. The through wafer interconnect includes a conductive liner within a via extending through the first die. The conductive liner narrows the via, and the narrowed via is filled with insulative material. The invention also includes methods of forming semiconductor assemblies having two or more dies; and includes electronic systems containing assemblies with two or more dies.Type: GrantFiled: July 6, 2006Date of Patent: December 1, 2009Assignee: Micron Technology, Inc.Inventors: Steve Oliver, Warren M. Farnworth
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Patent number: 7598819Abstract: The disclosure relates to an electronic circuit including at least one first and one second differential pair each including a plurality of transistors. All the transistors of said first and second differential pair are included in a single well.Type: GrantFiled: December 19, 2005Date of Patent: October 6, 2009Assignee: Atmel Switzerland SARLInventors: Stanislas Gibet, Abdellatif Bendraoui, Gilles Mercier
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Patent number: 7476941Abstract: A semiconductor integrated circuit includes an n-channel MOS transistor and a p-channel MOS transistor formed respectively in first and second device regions of a substrate, the n-channel MOS transistor including a first gate electrode carrying sidewall insulation films on respective sidewall surfaces thereof, the p-channel MOS transistor including a second gate electrode carrying sidewall insulation films on respective sidewall surfaces thereof, wherein there is provided a stressor film on the substrate over the first and second device regions such that the stressor film covers the first gate electrode including the sidewall insulation films thereof and the second gate electrode including the sidewall insulation films thereof, wherein the stressor film has a decreased film thickness in the second device region at least in the vicinity of a base part of the second gate electrode.Type: GrantFiled: March 1, 2007Date of Patent: January 13, 2009Assignee: Fujitsu Microelectronics LimitedInventors: Masashi Shima, Yosuke Shimamune, Akiyoshi Hatada, Akira Katakami, Naoyoshi Tamura
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Patent number: 7342293Abstract: The present invention relates to bipolar junction transistors (BJTS). The collector region of each BJT is located in a semiconductor substrate surface and adjacent to a first shallow trench isolation (STI) region. A second STI region is provided, which extends between the first STI region and the collection region and undercuts a portion of the active base region with an undercut angle of not more than about 90°. For example, the second STI region may a substantially triangular cross-section with an undercut angle of less than about 90°, or a substantially rectangular cross-section with an undercut angle of about 90°. Such a second STI region can be fabricated using a porous surface section formed in an upper surface of the collector region.Type: GrantFiled: December 5, 2005Date of Patent: March 11, 2008Assignee: International Business Machines CorporationInventors: Thomas A. Wallner, Thomas N. Adam, Stephen W. Bedell, Joel P. De Souza
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Patent number: 7329938Abstract: A semiconductor integrated circuit includes a first cell spanning one of the p-wells and one of the n-wells adjacent to each other, and having one end on a dividing line inside the p-well and another end on a dividing line inside the n-well, and having a height determined by the one end and the another end; and a second cell, spanning another one of the p-wells and another one of the n-wells adjacent to each other, with a height covering the entire widths of the p- and n-wells measured along the column direction, the height of the second cell is double that of the first cell.Type: GrantFiled: May 14, 2004Date of Patent: February 12, 2008Assignee: Kabushiki Kaisha ToshibaInventor: Koichi Kinoshita
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Patent number: 7304390Abstract: An anisotropic conductive sheet manufactured through improved manufacturing steps and a method of manufacturing the same. Conductive portions are unevenly arranged in a nonconductive elastomer having fluidity and serving as a matrix, the conductive portions highly densely containing the conductive particles having a specific gravity greater than that of the matrix component, the conductive particles are unevenly dispersed to form substantially nonconductive portions, and the conductive portions and the nonconductive portions are integrally cured to mold anisotropic conductive pieces. The anisotropic conductive pieces are so laminated that the conductive portions and the nonconductive portions are alternately arranged thereby to obtain a first laminate, and the first laminate is cut maintaining a predetermined thickness to obtain a zebra-like sheet.Type: GrantFiled: March 4, 2005Date of Patent: December 4, 2007Assignee: J.S.T. Mfg. Co., LtdInventor: Miki Hasegawa
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Patent number: 7235857Abstract: A semiconductor device is provided in which a plurality of MOSFETs including a vertical MOSFET is formed on a substrate. The device includes a silicon carbide substrate having front and back surfaces facing each other, an isolating region formed in the substrate to extend from the front surface to the back surface of the substrate, and first and second MOSFETs formed on opposite sides of the isolating region, respectively.Type: GrantFiled: May 25, 2001Date of Patent: June 26, 2007Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Gourab Majumdar, Shinji Hatae, Akihisa Yamamoto
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Patent number: 7129562Abstract: A standard cell architecture with a basic cell that spans multiple rows of the standard cell. This multi-row basic cell may be a dual-height cell that spans two rows, or it may span more than two rows. The multi-row basic cell may be intermixed in a standard cell design with smaller, single-height cells for high-density applications. The single-height cells may be used where possible and higher-drive dual-height basic cells where larger transistors are desired. Other multiple height cells may also be included if even more current is desirable. The power rail may include conductors of varying width.Type: GrantFiled: October 1, 2004Date of Patent: October 31, 2006Assignee: Virage Logic CorporationInventors: Tushar R. Gheewala, Michael J. Colwell, Henry H. Yang, Duane G. Breid
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Patent number: 7071527Abstract: A p-channel MOSFET (1) includes a semiconductor substrate (2), an epitaxial region (3), a second diffusion region (6), and a drain region. The epitaxial region (3) is formed on the upper surface of the semiconductor substrate (2). The second diffusion region (6) is formed in a predetermined upper surface area of the epitaxial region (3). The second diffusion region (6) has a central portion (6a) and a peripheral portion (6b). The central portion (6a) is formed substantially at the center of the epitaxial region (3) and formed thicker than the peripheral portion (6b). The peripheral portion (6b) is formed in an annular shape so as to surround the central portion (6a). The drain region (7) is formed in an upper surface area of the central portion (6a) of the second diffusion region (6).Type: GrantFiled: April 25, 2003Date of Patent: July 4, 2006Assignee: Sanken Electric Co., Ltd.Inventor: Akio Iwabuchi
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Patent number: 7067899Abstract: A semiconductor integrated circuit device according to the invention includes an N-type embedded diffusion region between a substrate and a first epitaxial layer in island regions serving as small signal section. The substrate and the first epitaxial layer are thus partitioned by the N-type embedded diffusion region having supply potential in the island regions serving as small signal section. This structure prevents the inflow of free carriers (electrons) generated from a power NPN transistor due to the back electromotive force of the motor into the small signal section, thus preventing the malfunction of the small signal section.Type: GrantFiled: September 27, 2004Date of Patent: June 27, 2006Assignee: Sanyo Electric Co., Ltd.Inventors: Ryo Kanda, Shigeaki Okawa, Kazuhiro Yoshitake
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Patent number: 6960818Abstract: A method for reducing hot carrier reliability problems within an integrated circuit device. The method includes forming a shallow trench isolation structure incorporated with the device by filling a trench with a photoresist plug and removing a portion of the photoresist plug to a level below the depth of a channel also incorporated with the device. A nitride liner disposed within the trench under the photoresist plug is then recessed to a level substantially equal to the level of the photoresist material, which is then removed. The method further includes the deposition of oxide fill within the trench, thereby encapsulating the recessed nitride liner.Type: GrantFiled: December 30, 1997Date of Patent: November 1, 2005Assignee: Siemens AktiengesellschaftInventors: Rajesh Rengarajan, Venkatachalam C. Jaiprakash
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Patent number: 6838713Abstract: A standard cell architecture with a basic cell that spans multiple rows of the standard cell. This multi-row basic cell may be a dual-height cell that spans two rows, or it may span more than two rows. The multi-row basic cell may be intermixed in a standard cell design with smaller, single-height cells for high-density applications. The single-height cells may be used where possible and higher-drive dual-height basic cells where larger transistors are desired. Other multiple height cells may also be included if even more current is desirable. The power rail may include conductors of varying width.Type: GrantFiled: July 12, 1999Date of Patent: January 4, 2005Assignee: Virage Logic CorporationInventors: Tushar R. Gheewala, Michael J. Colwell, Henry H. Yang, Duane G. Breid
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Patent number: 6828649Abstract: The present invention provides a semiconductor device, a method of manufacture therefor, and an integrated circuit including the same. In one advantageous embodiment, the semiconductor device includes a doped layer located over a semiconductor substrate, and an isolation trench located in the doped layer and having a dielectric layer located on a sidewall thereof. The semiconductor device may further include a conductive material located within the isolation trench and an interconnect that electrically connects the conductive material and the doped layer.Type: GrantFiled: May 7, 2002Date of Patent: December 7, 2004Assignee: Agere Systems Inc.Inventors: John C. Desko, Thomas J. Krutsick, Chung-Ming Hsieh, Brian E. Thompson, Bailey Jones, Steve Wallace
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Patent number: 6803622Abstract: A semiconductor device includes a semiconductor substrate; a first insulating film formed on the top surface of the semiconductor substrate; a first gate electrode formed on the first insulating film; a second insulating film having a three-layered structure made by sequentially depositing a first kind of insulating layer, a second kind of insulating layer and a first kind of insulating layer on the first gate electrode; a second gate electrode formed on the second insulating film; a first plane including the side surface of the first gate electrode or the side surface of the second gate electrode; and a second plane including the side surface of the second kind of insulating layer, wherein distance between said first plane and said second plane does not exceed 5 nm.Type: GrantFiled: October 22, 2002Date of Patent: October 12, 2004Assignee: Kabushiki Kaisha ToshibaInventors: Koichi Matsuno, Junichi Shiozawa
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Patent number: 6750527Abstract: A semiconductor device comprises a semiconductor substrate of a first conductivity type, at least one first well of a second conductivity type formed in the semiconductor substrate, and at least one second well of the first conductivity type formed in at least one first well. The semiconductor device is composed of semiconductor circuits each formed in at least one first well and at least one second well.Type: GrantFiled: February 23, 2000Date of Patent: June 15, 2004Assignee: Kabushiki Kaisha ToshibaInventor: Tomomi Momohara
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Publication number: 20040070047Abstract: A semiconductor device is provided in which a plurality of MOSFETs including a vertical MOSFET is formed on a substrate. The device includes a silicon carbide substrate having front and back surfaces facing each other, an isolating region formed in the substrate to extend from the front surface to the back surface of the substrate, and first and second MOSFETs formed on opposite sides of the isolating region, respectively.Type: ApplicationFiled: August 20, 2003Publication date: April 15, 2004Inventors: Gourab Majumdar, Shinji Hatae, Akihisa Yamamoto
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Patent number: 6700158Abstract: A method of making a trench MOSFET structure having upper trench corner protection, the method not requiring trench corner rounding or sacrificial oxide/strip steps. The trench MOSFET structure fabricated according to the method of the present invention exhibits higher oxide breakdown voltage and lower gate-to-source capacitance.Type: GrantFiled: August 18, 2000Date of Patent: March 2, 2004Assignee: Fairchild Semiconductor CorporationInventors: Densen B. Cao, Dean Probst, Donald J. Roy
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Patent number: 6674148Abstract: A method for adjusting the gain or the sensitivity of a lateral component formed in the front surface of a semiconductor wafer, having a first conductivity type, includes not doping or overdoping, according to the first conductivity type, the back surface when it is desired to reduce the gain or sensitivity of the lateral component, and doping according to the second conductivity type, the back surface, when the gain or the sensitivity of the lateral component is to be increased.Type: GrantFiled: October 27, 1999Date of Patent: January 6, 2004Assignee: SGS-Thomson Microelectronics S.A.Inventors: Eric Bernier, Jean-Michel Simonnet
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Patent number: 6624497Abstract: An N type buried layer is formed, in one embodiment, by a non selective implant on the surface of a wafer and later diffusion. Subsequently, the wafer is masked and a selective P type buried layer is formed by implant and diffusion. The coefficient of diffusion of the P type buried layer dopant is greater than the N type buried layer dopant so that connections can be made to the P type buried layer by P wells which have a lower dopant concentration than the N buried layer.Type: GrantFiled: February 25, 2002Date of Patent: September 23, 2003Assignee: Intersil Americas, IncInventor: James D. Beasom
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Publication number: 20030173642Abstract: A general-purpose logic cell array includes a plurality of cells and a lower wiring layer. The plurality of cells are formed on a substrate, and each of the plurality of cells includes a plurality of transistors. The lower wiring layer is formed above the plurality of cells, and which connects the plurality of transistors in each of the plurality of cells such that each of the plurality of cells has an elementary logic circuit. Information of the general-purpose logic cell array is provided to a user. The elementary logic circuits may be one of a gate circuit, a selector, an inverter and a flip-flop.Type: ApplicationFiled: March 12, 2003Publication date: September 18, 2003Applicant: NEC ELECTRONICS CORPORATIONInventor: Masaharu Mizuno
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Publication number: 20030151113Abstract: There is provided a semiconductor device capable of properly processing RF signals even though the number of electrodes as well as terminals for external connection is large while pitches at which the electrodes are juxtaposed are narrower than those for the terminals for external connection. A reference electrode connected with a reference voltage line of integrated circuits is increased in number to plurality, and each of the reference electrodes is disposed on top of the semiconductor piece, and on opposite sides of the respective signal electrodes connected with the signal lines of the integral circuits while short circuited at a conductor layer. Further, a conductor layer is extended from the respective reference electrodes or the conductor layer towards both sides of the respective signal electrodes.Type: ApplicationFiled: February 14, 2003Publication date: August 14, 2003Applicant: ROHM CO., LTD.Inventor: Noriaki Hiraga
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Patent number: 6525403Abstract: A semiconductor projection is formed on a semiconductor substrate of the first conductivity type and has a semiconductor layer of the first conductivity type. The semiconductor projection has a top surface and side surfaces. A gate electrode is formed above at least the side surfaces of the semiconductor projection. Source and drain regions are formed in the side surfaces of the semiconductor projection on opposite sides of the gate electrode. First and second device isolation insulating films are formed on the semiconductor substrate on opposite sides of the semiconductor projection. A first impurity region is formed in the semiconductor substrate below the first device isolation insulating film. A second impurity region is formed in the semiconductor substrate below the second device isolation insulating film. The first and second impurity regions are in contact with each other in the semiconductor substrate below the semiconductor projection.Type: GrantFiled: September 24, 2001Date of Patent: February 25, 2003Assignee: Kabushiki Kaisha ToshibaInventors: Satoshi Inaba, Kazuya Ohuchi
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Publication number: 20020190347Abstract: An semiconductor device including logic circuitry, a plurality of pins, and an interface unit coupling the logic circuitry to the plurality of pins, wherein the interface unit permits any of the pins to be coupled to any portion of the logic circuitry. The semiconductor device provides a template by which many different types of semiconductor devices, with varied pin assignments, can be manufactured, without the need for changing production masks.Type: ApplicationFiled: August 14, 2002Publication date: December 19, 2002Inventors: Frederick H. Fischer, Kenneth D. Fitch, Ho T. Nguyen, Scott A. Segan
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Patent number: 6469362Abstract: An integrated circuit device includes a semiconductor substrate, an NMOS, a PMOS contiguous with the NMOS, and a composite pnp bipolar junction transistor contiguous with the NMOS. The composite pnp bipolar junction transistor includes a lateral npn bipolar junction transistor having a first current gain, and a lateral pnp bipolar junction transistor having a second current gain, wherein the current gain of the composite pnp bipolar junction transistor equals the first current gain multiplied by the second current gain.Type: GrantFiled: February 15, 2000Date of Patent: October 22, 2002Assignee: Winbond Electronics Corp.Inventors: Shyh-Chyi Wong, Wen-Ying Wen
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Patent number: 6441444Abstract: Providing a method of producing a semiconductor device and a structure of the semiconductor device employing a trench isolation structure for isolating semiconductor elements wherein volumetric expansion of a trench-filling material due to oxidation process after forming the trench isolation structure is controlled thereby making it possible to prevent deterioration of the electrical characteristics of the semiconductor device. A nitriding treatment is applied to the trench surface of the silicon substrate after forming the trench by etching, thereby to form a thin nitride layer having a better effect of preventing oxidation in the interface of silicon.Type: GrantFiled: July 14, 1999Date of Patent: August 27, 2002Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Naoki Tsuji, Kiyoteru Kobayashi
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Publication number: 20020109155Abstract: A method of manufacturing a DRAM cell includes forming an isolation layer on a given region of a substrate to define an active region having a plurality of line shaped sub-regions; forming at least a pair of cell transistors in each line shaped sub-region, each cell transistor of a pair having a common drain region and respective source regions; forming a bit line pad on each common drain region and a storage node pad on each source region; forming a bit line pad protecting layer pattern having portions parallel to the word line, that covers the bit line pad; and forming storage nodes on storage node pads. The storage nodes of the DRAM cell contact with the storage node pads and are insulated electrically from the bit line pad by the bit line pad protecting layer pattern.Type: ApplicationFiled: January 8, 2002Publication date: August 15, 2002Inventors: Chul-Ho Shin, Kyeong-Koo Chi
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Publication number: 20020086499Abstract: Transistor isolation is improved by eliminating the channeling tail of an N well implant. To do this, a low dose, high energy implant of an oppositely charged dopant ion is implanted, targeted at the depth of the channeling tail.Type: ApplicationFiled: November 8, 2001Publication date: July 4, 2002Inventors: Seetharaman Sridhar, Stanton P. Ashburn, Zhiqiang Wu, Keith A. Joyner
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Patent number: 6365957Abstract: An object of the present invention is to provide a lateral bipolar transistor having a high current driving capacity and a high current amplification factor as well as a high cut-off frequency. A device area 13 surrounded by an isolating insulation layer is formed on the surface of a semiconductor substrate 11. A base area 15 is formed in the device area 13 to a specified depth from the surface of the semiconductor substrate 11. A core insulation layer 25 is formed in the base area 15 with a depth shallower than the base area 15 from the surface of the semiconductor substrate 11. Around the core insulation layer 25, there are formed emitter areas 26. A collector area 17 is formed at a specified distance from the emitter area 26. Since the bottom area of the emitter area 26 is reduced by being provided with the core insulation layer 25 without reducing the side area of the emitter area 26, the current driving capacity and the current amplification factor of the transistor are thus improved.Type: GrantFiled: August 22, 2000Date of Patent: April 2, 2002Assignee: Kabushiki Kaisha ToshibaInventor: Hiroyuki Miyakawa
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Patent number: 6285073Abstract: The horizontal surface area required to contact semiconductor devices, in integrated circuits fabricated with trench isolation, is minimized without degrading contact resistance by utilizing the vertical surface area of the trench sidewall. A trench isolation region (40) is formed within the semiconductor substrate (12). A doped region (74, 96) is then formed such that it abuts the trench sidewall (24). A portion (56, 110) of the trench sidewall (24), abutting the doped region (74, 96), is then exposed by forming a recess (55, 112) within the trench isolation region (40). A conductive member (66, 114, 118) is then formed such that it is electrically coupled to the doped region (74, 96) along the exposed trench sidewall, as well as along the major surface (13) of the semiconductor substrate (12), and results in the formation of a low resistance contact structure.Type: GrantFiled: May 30, 1995Date of Patent: September 4, 2001Inventors: Kent J. Cooper, Scott S. Roth
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Patent number: 6127718Abstract: The semiconductor device and method of manufacturing the same according to the present invention has an object of reducing hem-pulling at a side wall of an isolation trench caused at an open space of a device isolation region having a well boundary at its bottom portion thereby to prevent structurally occurrence of punch-through. In an insulator filled device isolation method, an isolation trench for device isolation is formed by dry etching. If a second isolation trench intersects an intermediate portion of a first isolation like a T-shape, one side of the first isolation trench has an open space. In this case, the inclination angle of the side wall of the first isolation trench, opposed to the open space, is loosened and the side wall forms a shape whose hem is pulled out on the bottom portion. In this case if a well boundary exists along the lengthwise direction at the bottom of the first isolation trench, the structure tends to cause punch-through easily.Type: GrantFiled: September 3, 1998Date of Patent: October 3, 2000Assignee: Kabushiki Kaisha ToshibaInventors: Yasunori Okayama, Hiroshi Ohtani
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Patent number: 6060346Abstract: A semiconductor device and a method for manufacturing the same that forms a self-aligned contact hole between two gate lines. A substrate is provided that has a first gate line formed thereon. An insulator is formed on the first gate line and substrate. Then a portion of the insulator and a portion of the first gate line is selectively removed to split the first gate line into a second gate line and a third gate line and to concurrently expose the substrate. Thus, producing a self-aligned contact hole between the second and third gate lines.Type: GrantFiled: September 16, 1997Date of Patent: May 9, 2000Assignee: LG Semicon Co., Ltd.Inventors: Jae Sung Roh, Woun S Yang
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Patent number: RE41477Abstract: An N type buried layer is formed, in one embodiment, by a non selective implant on the surface of a wafer and later diffusion. Subsequently, the wafer is masked and a selective P type buried layer is formed by implant and diffusion. The coefficient of diffusion of the P type buried layer dopant is greater than the N type buried layer dopant so that connections can be made to the P type buried layer by P wells which have a lower dopant concentration than the N buried layer.Type: GrantFiled: October 5, 2004Date of Patent: August 10, 2010Inventor: James D. Beasom