Bipolar Component Only (epo) Patents (Class 257/E27.053)
  • Patent number: 11444076
    Abstract: Embodiments of the disclosure provide an integrated circuit (IC) structure, including a doped well in a semiconductor substrate, in addition to a base region, emitter region, and collector region in the doped well. An insulative material is within the doped well, with a first end horizontally adjacent the collector region and a second end opposite the first end. A doped semiconductor region is within the doped well adjacent the second end of the insulative material. The doped semiconductor region is positioned to define an avalanche junction between the collector region and the doped semiconductor region across the doped well.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: September 13, 2022
    Assignee: GlobalFoundries U.S. Inc.
    Inventors: Robert J. Gauthier, Jr., Alain F. Loiseau, Souvick Mitra, Tsung-Che Tsai, Meng Miao, You Li
  • Patent number: 8916951
    Abstract: A lateral bipolar transistor with deep emitter and deep collector regions is formed using multiple epitaxial layers of the same conductivity type. Deep emitter and deep collector regions are formed without the use of trenches. Vertically aligned diffusion regions are formed in each epitaxial layer so that the diffusion regions merged into a contiguous diffusion region after annealing to function as emitter or collector or isolation structures. In another embodiment, a lateral trench PNP bipolar transistor is formed using trench emitter and trench collector regions. In yet another embodiment, a lateral PNP bipolar transistor with a merged LDMOS transistor is formed to achieve high performance.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: December 23, 2014
    Assignee: Alpha and Omega Semiconductor Incorporated
    Inventors: Shekar Mallikarjunaswamy, François Hébert
  • Patent number: 8912576
    Abstract: A bipolar junction transistor built with a mesh structure of cells provided on a semiconductor body is disclosed. The mesh structure has at least one emitter cell with a first type of implant. At least one emitter cell has at least one side coupled to at least one cell with a first type of implant to serve as collector of the bipolar. The spaces between the emitter and collector cells are the intrinsic base of a bipolar device. At least one emitter cell has at least one vortex coupled to at least one cell with a second type of implant to serve as the extrinsic base of the bipolar. The emitter, collector, or base cells can be arbitrary polygons as long as the overall geometry construction can be very compact and expandable. The implant regions between cells can be separated with a space. A silicide block layer can cover the space and overlap into at least a portion of both implant regions.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: December 16, 2014
    Inventor: Shine C. Chung
  • Patent number: 8853825
    Abstract: An ESD protection apparatus comprises a substrate, a low voltage p-type well and a low voltage n-type well formed on the substrate. The ESD protection device further comprises a first P+ region formed on the low voltage p-type well and a second P+ region formed on the low voltage n-type well. The first P+ region and the second P+ region are separated by a first isolation region. The breakdown voltage of the ESD protection apparatus is tunable by adjusting the length of the first isolation region.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: October 7, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jam-Wem Lee, Yi-Feng Chang
  • Patent number: 8847348
    Abstract: An example embodiment is a complementary transistor inverter circuit. The circuit includes a semiconductor-on-insulator (SOI) substrate, a lateral PNP bipolar transistor fabricated on the SOI substrate, and a lateral NPN bipolar transistor fabricated on the SOI substrate. The lateral PNP bipolar transistor includes a PNP base, a PNP emitter, and a PNP collector. The lateral NPN bipolar transistor includes a NPN base, a NPN emitter, and a NPN collector. The PNP base, the PNP emitter, the PNP collector, the NPN base, the NPN emitter, and the NPN collector abut the buried insulator of the SOI substrate.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: September 30, 2014
    Assignee: International Business Machines Corporation
    Inventors: Jin Cai, Robert H. Dennard, Wilfried E. Haensch, Tak H. Ning
  • Patent number: 8742499
    Abstract: In a semiconductor chip in which LDMOSFET elements for power amplifier circuits used for a power amplifier module are formed, a source bump electrode is disposed on an LDMOSFET formation region in which a plurality of source regions, a plurality of drain regions and a plurality of gate electrodes for the LDMOSFET elements are formed. The source bump electrode is formed on a source pad mainly made of aluminum via a source conductor layer which is thicker than the source pad and mainly made of copper. No resin film is interposed between the source bump electrode and the source conductor layer.
    Type: Grant
    Filed: October 29, 2009
    Date of Patent: June 3, 2014
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Shizuki Nakajima, Hiroyuki Nagai, Yuji Shirai, Hirokazu Nakajima, Chushiro Kusano, Yu Hasegawa, Chiko Yorita, Yasuo Osone
  • Publication number: 20130328614
    Abstract: A band gap reference circuit includes an error-amplifier-based current mirror coupled between a first supply node and a pair of intermediate voltage nodes, and a matched diode pair for providing a proportional-to-absolute temperature (PTAT) current. The matched diode pair includes a first diode connected between a first intermediate voltage node from the pair of intermediate voltage nodes and a second supply node, and a second diode connected in series with a resistor between a second intermediate voltage node from the pair of intermediate voltage nodes and the second supply node. Each diode has a P-N diode junction that is a homojunction.
    Type: Application
    Filed: June 12, 2012
    Publication date: December 12, 2013
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jaw-Juinn HORNG, Chung-Hui CHEN, Sun-Jay CHANG, Chia-Hsin HU
  • Publication number: 20130299871
    Abstract: Representative implementations of devices and techniques provide a high-voltage device on a semiconductor substrate. An insulating polymer layer is formed on an opposite surface to the high-voltage device, the insulating polymer layer having a thickness of at least twice that of the semiconductor substrate.
    Type: Application
    Filed: May 14, 2012
    Publication date: November 14, 2013
    Inventors: Anton MAUDER, Eric GRAETZ
  • Patent number: 8569867
    Abstract: According to one embodiment, a semiconductor device that has a rectification element includes a semiconductor substrate, a first well region of a first conductivity type formed on the semiconductor substrate, a second well region of a second conductivity type formed on the semiconductor substrate, and a plurality of fins arranged over the first well region and the second well region at a first pitch in the same direction. In the semiconductor device, the rectification element includes a cathode region, an anode region, a well contact region, and a trigger region that are configured using fins. These regions are connected to each wiring portion to form a PNP-type bipolar transistor and an NPN-type bipolar transistor.
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: October 29, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Satoshi Inaba
  • Publication number: 20130256756
    Abstract: An integrated circuit is provided. The integrated circuit may include, but is not limited to, a plurality of heterojunction bipolar transistors, wherein each heterojunction bipolar transistor is staggered with respect to any adjacent heterojunction bipolar transistor. The plurality of heterojunction bipolar transistors may be arranged in a column, wherein each heterojunction bipolar transistor is staggered in the column with respect to any adjacent heterojunction bipolar transistor in the column in a first direction and a second direction, wherein the second direction is substantially orthogonal to the first direction.
    Type: Application
    Filed: March 27, 2012
    Publication date: October 3, 2013
    Applicant: FREESCALE SEMICONDUCTOR, INC.
    Inventor: Yun Wei
  • Patent number: 8531001
    Abstract: An example embodiment is a complementary transistor inverter circuit. The circuit includes a semiconductor-on-insulator (SOI) substrate, a lateral PNP bipolar transistor fabricated on the SOI substrate, and a lateral NPN bipolar transistor fabricated on the SOI substrate. The lateral PNP bipolar transistor includes a PNP base, a PNP emitter, and a PNP collector. The lateral NPN bipolar transistor includes a NPN base, a NPN emitter, and a NPN collector. The PNP base, the PNP emitter, the PNP collector, the NPN base, the NPN emitter, and the NPN collector abut the buried insulator of the SOI substrate.
    Type: Grant
    Filed: June 12, 2011
    Date of Patent: September 10, 2013
    Assignee: International Business Machines Corporation
    Inventors: Jin Cai, Robert H. Dennard, Wilfried E. Haensch, Tak H. Ning
  • Publication number: 20130168821
    Abstract: A Bipolar Junction Transistor with an intrinsic base, wherein the intrinsic base includes a top surface and two side walls orthogonal to the top surface, and a base contact electrically coupled to the side walls of the intrinsic base. In one embodiment an apparatus can include a plurality of Bipolar Junction Transistors, and a base contact electrically coupled to the side walls of the intrinsic bases of each BJT.
    Type: Application
    Filed: January 4, 2012
    Publication date: July 4, 2013
    Applicant: International Business Machines Corporation
    Inventors: Jin Cai, Tak H. Ning
  • Patent number: 8455975
    Abstract: A parasitic PNP bipolar transistor, wherein a base region includes a first and a second region; the first region is formed in an active area, has a depth larger than shallow trench field oxides, and has its bottom laterally extended into the bottom of the shallow trench field oxides on both sides of an active area; the second region is formed in an upper part of the first region and has a higher doping concentration; an N-type and a P-type pseudo buried layer is respectively formed at the bottom of the shallow trench field oxides; a deep hole contact is formed on top of the N-type pseudo buried layer to pick up the base; the P-type pseudo buried layer forms a collector region separated from the active area by a lateral distance; an emitter region is formed by a P-type SiGe epitaxial layer formed on top of the active area.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: June 4, 2013
    Assignee: Shanghai Hua Hong NEC Electronics Co., Ltd.
    Inventors: Donghua Liu, Wensheng Qian
  • Patent number: 8410572
    Abstract: A base contact connection, an emitter structure and a collector structure are arranged on an n-layer, which can be provided for additional npn transistors. The collector structure is arranged laterally to the emitter structure and at least one of the emitter and collector comprises a Schottky contact on a surface area of the n-layer.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: April 2, 2013
    Assignee: EPCOS AG
    Inventor: Léon C. M. van den Oever
  • Publication number: 20130075863
    Abstract: An ESD protection apparatus comprises a substrate, a low voltage p-type well and a low voltage n-type well formed on the substrate. The ESD protection device further comprises a first P+ region formed on the low voltage p-type well and a second P+ region formed on the low voltage n-type well. The first P+ region and the second P+ region are separated by a first isolation region. The breakdown voltage of the ESD protection apparatus is tunable by adjusting the length of the first isolation region.
    Type: Application
    Filed: September 27, 2011
    Publication date: March 28, 2013
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jam-Wem Lee, Yi-Feng Chang
  • Publication number: 20130075829
    Abstract: An electrostatic discharge (ESD) protection device includes a first transistor and a second transistor. The first transistor includes a first bulk electrode, a first electrode and a second electrode. The first bulk electrode and the first electrode form a first parasitic diode. The first bulk electrode and the second electrode form a second parasitic diode. The second transistor includes a second bulk electrode, a third electrode and a fourth electrode. The second bulk electrode and the third electrode form a third parasitic diode. The second bulk electrode and the fourth electrode form a fourth parasitic diode. The first bulk electrode is connected to the third electrode, and the second bulk electrode is connected to the first electrode.
    Type: Application
    Filed: September 22, 2011
    Publication date: March 28, 2013
    Applicant: NUVOTON TECHNOLOGY CORPORATION
    Inventor: Ming-Fang LAI
  • Publication number: 20130069157
    Abstract: The present invention is directed to a semiconductor chip comprising a high voltage device and a low voltage device disposed thereon. The chip may be formed in several different configurations. For example, the semiconductor chip may include a NPN bipolar transistor, PNP bipolar transistor, a diode, an N channel DMOS transistor and the like. The first doped well being configured as a base of the DMOS transistor, a P channel DMOS transistor and the like.
    Type: Application
    Filed: June 30, 2012
    Publication date: March 21, 2013
    Inventor: Hideaki Tsuchiko
  • Patent number: 8390096
    Abstract: An electrostatic discharge (ESD) protection structure comprises a bipolar PNP transistor having an emitter formed by a first high voltage P type implanted region disposed underneath a first P+ region and a collector formed by a second high voltage P type implanted region disposed underneath a second P+ region. The ESD protection structure can have an adjustable threshold voltage by controlling the distance between the first high voltage P type implanted region and the second high voltage P type implanted region. Based upon a basic ESD protection structure, the ESD protection device can provide a reliable ESD protection for semiconductor devices having different voltage ratings.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: March 5, 2013
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Hsin-Yen Hwang
  • Patent number: 8378456
    Abstract: An array of vertically constructed, electronic switches is disclosed having three, four or more contacts and having a common bottom contact and a plurality of common middle contacts. This switch array will find use in memory devices or display devices.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: February 19, 2013
    Assignee: Contour Semiconductor, Inc.
    Inventor: Daniel Robert Shepard
  • Patent number: 8357985
    Abstract: A bipolar transistor comprising an emitter region, a base region and a collector region, and a guard region spaced from and surrounding the base. The guard region can be formed in the same steps that form the base, and can serve to spread out the depletion layer in operation.
    Type: Grant
    Filed: January 13, 2012
    Date of Patent: January 22, 2013
    Assignee: Analog Devices, Inc.
    Inventors: William Allan Lane, Andrew David Bain, Derek Frederick Bowers, Paul Malachy Daly, Anne Maria Deignan, Michael Thomas Dunbar, Patrick Martin McGuinness, Bernard Patrick Stenson
  • Patent number: 8350352
    Abstract: A bipolar transistor comprising an emitter region, a base region and a collector region, and a guard region spaced from and surrounding the base. The guard region can be formed in the same steps that form the base, and can serve to spread out the depletion layer in operation.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: January 8, 2013
    Assignee: Analog Devices, Inc.
    Inventors: William Allan Lane, Andrew David Bain, Derek Frederick Bowers, Paul Malachy Daly, Anne Maria Deignan, Michael Thomas Dunbar, Patrick Martin McGuinness, Bernard Patrick Stenson
  • Patent number: 8338863
    Abstract: Vertical heterojunction bipolar transistors with reduced base-collector junction capacitance, as well as fabrication methods for vertical heterojunction bipolar transistors and design structures for BiCMOS integrated circuits. The vertical heterojunction bipolar transistor includes a barrier layer between the intrinsic base and the extrinsic base that blocks or reduces diffusion of a dopant from the extrinsic base to the intrinsic base. The barrier layer has at least one opening that permits direct contact between the intrinsic base and a portion of the extrinsic base disposed in the opening.
    Type: Grant
    Filed: May 9, 2012
    Date of Patent: December 25, 2012
    Assignee: International Business Machines Corporation
    Inventors: Renata Camillo-Castillo, Erik M. Dahlstrom, Qizhi Liu
  • Publication number: 20120319768
    Abstract: In one embodiment, an apparatus includes a first transistor where the base of the first transistor is coupled to an input node. A second transistor is provided where the emitter of the first transistor is coupled to the base of the second transistor and the emitter of the second transistor is coupled to an output node. A third transistor is provided where the base of the third transistor is coupled to the input node. A fourth transistor is provided where the emitter of the third transistor is coupled to the base of the fourth transistor and the emitter of the fourth transistor is coupled to the output node and the base of the second transistor is coupled to the base of the fourth transistor. The base of the second transistor is coupled to the base of the fourth transistor through a shorting link.
    Type: Application
    Filed: December 19, 2011
    Publication date: December 20, 2012
    Applicant: DIODES ZETEX SEMICONDUCTORS LIMITED
    Inventor: David Neil Casey
  • Publication number: 20120313216
    Abstract: An example embodiment is a complementary transistor inverter circuit. The circuit includes a semiconductor-on-insulator (SOI) substrate, a lateral PNP bipolar transistor fabricated on the SOI substrate, and a lateral NPN bipolar transistor fabricated on the SOI substrate. The lateral PNP bipolar transistor includes a PNP base, a PNP emitter, and a PNP collector. The lateral NPN bipolar transistor includes a NPN base, a NPN emitter, and a NPN collector. The PNP base, the PNP emitter, the PNP collector, the NPN base, the NPN emitter, and the NPN collector abut the buried insulator of the SOI substrate.
    Type: Application
    Filed: June 12, 2011
    Publication date: December 13, 2012
    Applicant: International Business Machines Corporation
    Inventors: Jin Cai, Robert H. Dennard, Wilfried E. Haensch, Tak H. Ning
  • Publication number: 20120248548
    Abstract: An electronic device, including an integrated circuit, can include a buried conductive region and a semiconductor layer overlying the buried conductive region, wherein the semiconductor layer has a primary surface and an opposing surface lying closer to the buried conductive region. The electronic device can also include a first doped region and a second doped region spaced apart from each other, wherein each is within the semiconductor layer and lies closer to primary surface than to the opposing surface. The electronic device can include current-carrying electrodes of transistors. A current-carrying electrode of a particular transistor includes the first doped region and is a source or an emitter and is electrically connected to the buried conductive region. Another current-carrying electrode of a different transistor includes the second doped region and is a drain or a collector and is electrically connected to the buried conductive region.
    Type: Application
    Filed: June 14, 2012
    Publication date: October 4, 2012
    Applicant: Semiconductor Components Industries, LLC
    Inventors: Gary H. Loechelt, Gordon M. Grivna
  • Publication number: 20120228741
    Abstract: A power module includes a first semiconductor device having a collector terminal and an emitter terminal which extend outwardly from a molded resin, wherein at least one of the collector and emitter terminals is a bilaterally extending terminal extending outwardly from two opposite surfaces of the molded resin, and a second semiconductor device having the same construction as the first semiconductor device. The bilaterally extending terminal of the first semiconductor device is connected to a bilaterally extending terminal of the second semiconductor device.
    Type: Application
    Filed: December 2, 2011
    Publication date: September 13, 2012
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shintaro ARAKI, Korehide Okamoto, Khalid Hassan Hussein, Mitsunori Aiko
  • Patent number: 8232156
    Abstract: Vertical heterojunction bipolar transistors with reduced base-collector junction capacitance, as well as fabrication methods for vertical heterojunction bipolar transistors and design structures for BiCMOS integrated circuits. The vertical heterojunction bipolar transistor includes a barrier layer between the intrinsic base and the extrinsic base that blocks or reduces diffusion of a dopant from the extrinsic base to the intrinsic base. The barrier layer has at least one opening that permits direct contact between the intrinsic base and a portion of the extrinsic base disposed in the opening.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: July 31, 2012
    Assignee: International Business Machines Corporation
    Inventors: Renata Camillo-Castillo, Erik M. Dahlstrom, Qizhi Liu
  • Patent number: 8227836
    Abstract: A technology which allows a reduction in the thermal resistance of a semiconductor device and the miniaturization thereof is provided. The semiconductor device has a plurality of unit transistors Q, transistor formation regions 3a, 3b, and 3e each having a first number (e.g., seven) of the unit transistors Q, and transistor formation regions 3c and 3d each having a second number (e.g., four) of the unit transistors Q. The transistor formation regions 3c and 3d are located between the transistor formation regions 3a, 3b, 3e, and 3f, and the first number is larger than the second number.
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: July 24, 2012
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Satoshi Sasaki, Yasunari Umemoto, Yasuo Osone, Tsutomu Kobori, Chushiro Kusano, Isao Ohbu, Kenji Sasaki
  • Publication number: 20120181619
    Abstract: A semiconductor structure contains a bipolar transistor (101) and a spacing structure (265-1 or 265-2). The transistor has an emitter (241), a base (243), and a collector (245). The base is formed with an intrinsic base portion (243I), a base link portion (243L), and a base contact portion (245C). The intrinsic base portion is situated below the emitter and above material of the collector. The base link portion extends between the intrinsic base portion and the base contact portions. The spacing structure includes an isolating dielectric layer (267-1 or 267-2) and a spacing component. The dielectric layer extends along the upper semiconductor surface. The spacing component includes a lateral spacing portion (269-1 or 269-2) of largely non-monocrystalline semiconductor material, preferably polycrystalline semiconductor material, situated on the dielectric layer above the base link portion.
    Type: Application
    Filed: August 4, 2011
    Publication date: July 19, 2012
    Inventors: Jeng-Jiun Yang, Constantin Bulucea
  • Publication number: 20120119330
    Abstract: An electrostatic discharge (ESD) protection structure comprises a bipolar PNP transistor having an emitter formed by a first high voltage P type implanted region disposed underneath a first P+ region and a collector formed by a second high voltage P type implanted region disposed underneath a second P+ region. The ESD protection structure can have an adjustable threshold voltage by controlling the distance between the first high voltage P type implanted region and the second high voltage P type implanted region. Based upon a basic ESD protection structure, the ESD protection device can provide a reliable ESD protection for semiconductor devices having different voltage ratings.
    Type: Application
    Filed: November 23, 2010
    Publication date: May 17, 2012
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Hsin-Yen Hwang
  • Publication number: 20120098097
    Abstract: An IGBT module is provided. The IGBT module has at least a first individual IGBT with a first softness during switching-off the IGBT module, and at least a second individual IGBT connected in parallel to the at least one first IGBT. The at least one second individual IGBT has a second softness during switching-off the IGBT module which is different than the first softness. Further a circuit and an electronic power device having two individual IGBTs, which are connected in parallel, are provided.
    Type: Application
    Filed: October 20, 2010
    Publication date: April 26, 2012
    Applicant: INFINEON TECHNOLOGIES AUSTRIA AG
    Inventors: Hans-Peter Felsl, Hans-Joachim Schulze, Franz-Josef Niedernostheide, Thomas Raker
  • Patent number: 8120136
    Abstract: A bipolar transistor comprising an emitter region, a base region and a collector region, and a guard region spaced from and surrounding the base. The guard region can be formed in the same steps that form the base, and can serve to spread out the depletion layer in operation.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: February 21, 2012
    Assignee: Analog Devices, Inc.
    Inventors: William Allan Lane, Andrew David Bain, Derek Frederick Bowers, Paul Malachy Daly, Anne Maria Deignan, Michael Thomas Dunbar, Patrick Martin McGuiness, Bernard Patrick Stenson
  • Publication number: 20110199346
    Abstract: A semiconductor device includes a semiconductor substrate having a first conductivity type, at least two first well regions which have a second conductivity type and a predetermined depth in the semiconductor substrate, at least one second well region which has the first conductivity type and a predetermined depth in each of the first well regions, and a guard-ring region which has the second conductivity type and a predetermined depth and is positioned between the first well regions to be separated by a predetermined distance from the first well regions. The guard-ring region is connected to a ground voltage.
    Type: Application
    Filed: February 11, 2011
    Publication date: August 18, 2011
    Inventors: Jae Hyok Ko, Han Gu Kim, Chang Su Kim, Suk-Jin Kim, Kwan Young Kim
  • Patent number: 7973386
    Abstract: In a bipolar device an intrinsic Zener like diode is formed for controlling the triggering voltage and leakage current, the Zener-like diode being formed between the n-collector and the p-base, wherein the collector implant and base diffusion overlap at least partially.
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: July 5, 2011
    Assignee: National Semiconductor Corporation
    Inventors: Vladislav Vashchenko, Vladimir Kuznetsov, Peter J. Hopper
  • Publication number: 20110121365
    Abstract: A hybrid integrated circuit device having high mount reliability comprises a module substrate which is a ceramic wiring substrate, a plurality of electronic component parts laid out on the main surface of the module substrate, a plurality of electrode terminals laid out on the rear surface of the module substrate, and a cap which is fixed to the module substrate to cover the main surface of the module substrate. The electrode terminals include a plurality of electrode terminals which are aligned along the edges of the module substrate and power voltage supply terminals which are located inner than these electrode terminals. The electrode terminals aligned along the substrate edges are coated, at least in their portions close to the substrate edge, with a protection film having a thickness of several tens micrometers or less. Connection reinforcing terminals consist of a plurality of divided terminals which are independent of each other, and are ground terminals.
    Type: Application
    Filed: February 3, 2011
    Publication date: May 26, 2011
    Applicant: RENESAS ELECTRONICS CORPORATION
    Inventors: Shinji MORIYAMA, Tomio YAMADA
  • Patent number: 7927955
    Abstract: By providing a novel bipolar device design implementation, a standard CMOS process (105-109) can be used unchanged to fabricate useful bipolar transistors (80) and other bipolar devices having adjustable properties by partially blocking the P or N well doping (25) used for the transistor base (581). This provides a hump-shaped base (583, 584) region with an adjustable base width (79), thereby achieving, for example, higher gain than can be obtained with the unmodified CMOS process (101-104) alone. By further partially blocking the source/drain doping step (107) used to form the emitter (74) of the bipolar transistor (80), the emitter shape and effective base width (79) can be further varied to provide additional control over the bipolar device (80) properties. The embodiments thus include prescribed modifications to the masks (57, 62, 72, 46) associated with the bipolar device (80) that are configured to obtain desired device properties.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: April 19, 2011
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Xin Lin, Bernhard H. Grote, Hongning Yang, Jiang-Kai Zuo
  • Publication number: 20110084247
    Abstract: A plurality of bipolar transistors are formed by forming a common conduction region, a plurality of control regions extending each in an own active areas on the common conduction region, a plurality of silicide protection strips, and at least one control contact region. Silicide regions are formed on the second conduction regions and the control contact region. The second conduction regions may be formed by selectively implanting a first conductivity type dopant areas on a first side of selected silicide protection strips. The control contact region is formed by selectively implanting an opposite conductivity type dopant on a second side of the selected silicide protection strips.
    Type: Application
    Filed: December 16, 2010
    Publication date: April 14, 2011
    Inventors: Fabio Pellizzer, Roberto Bez, Paola Zuliani, Augusto Benvenuti
  • Patent number: 7923810
    Abstract: A semiconductor device may include a semiconductor region of a semiconductor substrate wherein a P-N junction is defined between the semiconductor region and a bulk of the semiconductor substrate. An insulating isolation structure in the semiconductor substrate may surround sidewalls of the semiconductor region. An interlayer insulating layer may be on the semiconductor substrate, on the semiconductor region, and on the insulating isolation structure, and the interlayer insulating layer may have first and second spaced apart element holes exposing respective first and second portions of the semiconductor region. A first semiconductor pattern may be in the first element hole on the first exposed portion of the semiconductor region, and a second semiconductor pattern may be in the second element hole on the second exposed portion of the semiconductor region.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: April 12, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-Won Ha, Sang-Yoon Kim
  • Patent number: 7910448
    Abstract: Fabrication of a mono-crystalline emitter using a combination of selective and differential growth modes. The steps include providing a trench (14) formed on a silicon substrate (16) having opposed silicon oxide side walls (12); selectively growing a highly doped mono-crystalline layer (18) on the silicon substrate in the trench; and non-selectively growing a silicon layer (20) over the trench in order to form an amorphous polysilicon layer over the silicon oxide sidewalls.
    Type: Grant
    Filed: January 22, 2005
    Date of Patent: March 22, 2011
    Assignee: NXP B.V.
    Inventors: Philippe Meunier-Beillard, Petrus Magnee
  • Publication number: 20110049562
    Abstract: A semiconductor device comprises: a semiconductor substrate; a plurality of IGBT cells on the semiconductor substrate, each of the IGBT cells including a gate electrode and a first emitter electrode; a first gate wiring on the substrate and being connected to the gate electrode; an interlayer insulating film covering the first emitter electrode and the first gate wiring; and a second emitter electrode on the interlayer insulating film and being connected to the first emitter electrode through an opening of the interlayer insulating film, wherein the second emitter electrode extends above the first gate wiring via the interlayer insulating film.
    Type: Application
    Filed: March 11, 2010
    Publication date: March 3, 2011
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kenji SUZUKI, Yoshifumi Tomomatsu
  • Publication number: 20110042714
    Abstract: According to one embodiment, a power semiconductor device includes an IGBT region, first and second electrodes, and a first-conductivity-type second semiconductor layer. The region functions as an IGBT element. The first electrode is formed in a surface of a second-conductivity-type collector layer opposite to a first-conductivity-type first semiconductor layer in the region. The second electrode is connected onto a first-conductivity-type emitter layer and a second-conductivity-type base layer in a surface of the first-conductivity-type base layer and insulated from a gate electrode in the region. The first-conductivity-type second semiconductor layer extends from the surface of the first-conductivity-type base layer to the first-conductivity-type first semiconductor layer around the IGBT region, and connected to the first electrode.
    Type: Application
    Filed: August 6, 2010
    Publication date: February 24, 2011
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Tsuneo OGURA
  • Publication number: 20110019479
    Abstract: Techniques for providing a direct injection semiconductor memory device are disclosed. In one particular exemplary embodiment, the techniques may be realized as a direct injection semiconductor memory device including a first region coupled to a source line, a second region coupled to a bit line. The direct injection semiconductor memory device may also include a body region spaced apart from and capacitively coupled to a word line, wherein the body region is electrically floating and disposed between the first region and the second region. The direct injection semiconductor memory device may further include a third region coupled to a carrier injection line configured to inject charges into the body region through the second region.
    Type: Application
    Filed: February 1, 2010
    Publication date: January 27, 2011
    Applicant: Innovative Silicon ISi SA
    Inventor: Eric Carman
  • Publication number: 20110006341
    Abstract: An electrostatic discharge (ESD) protection element using an NPN bipolar transistor, includes: a trigger element connected at one end with a pad. The NPN bipolar transistor includes: a first base diffusion layer; a collector diffusion layer connected with the pad; a trigger tap formed on the first base diffusion layer and connected with the other end of the trigger element through a first wiring; and an emitter diffusion layer and a second base diffusion layer formed on the first base diffusion layer and connected in common to a power supply through a second wiring which is different from the first wiring.
    Type: Application
    Filed: June 29, 2010
    Publication date: January 13, 2011
    Applicant: RENESAS ELECTRONICS CORPORATION
    Inventor: Kouichi SAWAHATA
  • Patent number: 7868414
    Abstract: A bipolar transistor is formed in an isolation structure comprising a floor isolation region, a dielectric filled trench above the floor isolation region and a sidewall isolation region extending downward from the bottom of the trench to the floor isolation region. This structure provides a relatively deep isolated pocket in a semiconductor substrate while limiting the depth of the trench that must be etched in the substrate.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: January 11, 2011
    Assignees: Advanced Analogic Technologies, Inc., Advanced Analogic Technologies (Hong Kong) Limited
    Inventors: Richard K. Williams, Donald Ray Disney, Wai Tien Chan
  • Patent number: 7859030
    Abstract: A SiGe-HBT having a base region made of SiGe mixed crystal. The base region includes: an intrinsic base region having junctions with a collector region and an emitter region; and an external base region for connecting the intrinsic base region with a base electrode. The intrinsic base region and the external base region are doped with a first impurity of a given conductivity type. The external base region is further doped with a second impurity. As the first impurity, an element smaller in atomic radius than Si (such as boron, for example) is selected, and as the second impurity, an element larger in atomic radius than the first impurity (such as Ge, In and Ga, for example) is selected.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: December 28, 2010
    Assignee: Panasonic Corporation
    Inventor: Shigetaka Aoki
  • Patent number: 7855119
    Abstract: A method is described for forming a semiconductor device comprising a bipolar transistor having a base region, an emitter region and a collector region, wherein the base region comprises polycrystalline semiconductor material formed by crystallizing silicon, germanium or silicon germanium in contact with a silicide, germanide or silicide germanide. The emitter region and collector region also may be formed from polycrystalline semiconductor material formed by crystallizing silicon, germanium or silicon germanium in contact with a silicide, germanide or silicide germanide forming metal. The polycrystalline semiconductor material is preferably silicided polysilicon, which is formed in contact with C49phase titanium silicide.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: December 21, 2010
    Assignee: SanDisk 3D LLC
    Inventors: Christopher J. Petti, S. Brad Herner
  • Publication number: 20100301453
    Abstract: An integrated circuit device includes a semiconductor substrate having a top surface; at least one insulation region extending from the top surface into the semiconductor substrate; a plurality of base contacts of a first conductivity type electrically interconnected to each other; and a plurality of emitters and a plurality of collectors of a second conductivity type opposite the first conductivity type. Each of the plurality of emitters, the plurality of collectors, and the plurality of base contacts is laterally spaced apart from each other by the at least one insulation region. The integrated circuit device further includes a buried layer of the second conductivity type in the semiconductor substrate, wherein the buried layer has an upper surface adjoining bottom surfaces of the plurality of collectors.
    Type: Application
    Filed: March 30, 2010
    Publication date: December 2, 2010
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tao Wen Chung, Po-Yao Ke, Wei-Yang Lin, Shine Chung
  • Patent number: 7838947
    Abstract: During fabrication of a mask read-only memory (ROM) device, a dielectric layer is grown on a substrate. Strip-stacked layers are formed on the dielectric layer, with each strip-stacked layer including a polysilicon and a silicon nitride layer. Source/drain regions are formed in the substrate between the strip-stacked layers, and spacers are then deposited between the strip-stacked layers. The strip-stacked layers are patterned into gates, which are disposed over every code position, with silicon nitride pillars being disposed on the gates. Additional spacers are formed on gate sidewalls. The silicon nitride pillars are removed, exposing the gates. A mask is then formed to cover active code positions, in accordance with the desired programming code. Insulating layers are then deposited through the mask onto the exposed gates. When the mask is removed, word lines are formed, interconnecting the gates without the insulating layers.
    Type: Grant
    Filed: February 22, 2007
    Date of Patent: November 23, 2010
    Assignee: Macronix International Co., Ltd.
    Inventor: Chun-Yi Yang
  • Patent number: RE43042
    Abstract: In accordance with the invention, there are various methods of making an integrated circuit comprising a bipolar transistor. According to an embodiment of the invention, the bipolar transistor can comprise a substrate, a collector comprising a plurality of alternating doped regions, wherein the plurality of alternating doped regions alternate in a lateral direction from a net first conductivity to a net second conductivity, and a collector contact in electrical contact with the collector. The bipolar transistor can also comprise a heavily doped buried layer below the collector, a base in electrical contact with a base contact, wherein the base is doped to a net second conductivity type and wherein the base spans a portion of the plurality of alternating doped regions, and an emitter disposed within the base, the emitter doped to a net first conductivity, wherein a portion of the alternating doped region under the emitter is doped to a concentration of less than about 3×1012 cm?2.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: December 27, 2011
    Assignee: Intersil Americas Inc.
    Inventor: James D. Beasom
  • Patent number: RE44140
    Abstract: In accordance with the invention, there are various methods of making an integrated circuit comprising a bipolar transistor. According to an embodiment of the invention, the bipolar transistor can comprise a substrate, a collector comprising a plurality of alternating doped regions, wherein the plurality of alternating doped regions alternate in a lateral direction from a net first conductivity to a net second conductivity, and a collector contact in electrical contact with the collector. The bipolar transistor can also comprise a heavily doped buried layer below the collector, a base in electrical contact with a base contact, wherein the base is doped to a net second conductivity type and wherein the base spans a portion of the plurality of alternating doped regions, and an emitter disposed within the base, the emitter doped to a net first conductivity, wherein a portion of the alternating doped region under the emitter is doped to a concentration of less than about 3×1012 cm?2.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: April 9, 2013
    Assignee: Intersil Americas Inc.
    Inventor: James D. Beasom