Including Resistor Element Patents (Class 257/358)
  • Patent number: 8710593
    Abstract: A manufacturing method for a resistor integrated with a transistor having metal gate includes providing a substrate having a transistor, a transitional structure, and a dielectric layer covering the transistor and the transitional structure formed thereon, forming a recess in between two opposite polysilicon end portions in the transitional structure, forming a U-shaped resistance modulating layer and an insulating layer filling the recess, removing a dummy gate of the transistor and the polysilicon end portions of the transitional structure to form a gate trench and two terminal trenches respectively in the transistor and the transitional structure, and forming a metal gate in the gate trench and conductive terminals in the terminal trenches simultaneously.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: April 29, 2014
    Assignee: United Microelectronics Corp.
    Inventors: Chi-Sheng Tseng, Yao-Chang Wang, Jie-Ning Yang
  • Patent number: 8704308
    Abstract: The invention provides a semiconductor device including an ESD protection circuit with a high ESD protection characteristic. An RC timer included discharge portion including an RC timer formed by a resistor element and a capacitor element and a PLDMOS transistor is formed so as to turn on only when a surge voltage due to static electricity is applied. Furthermore, a noise prevention portion including first and second NMOS off transistors of which the source electrode and the drain electrode are connected is formed. The source electrode of the PLDMOS transistor of the RC timer included discharge portion is connected to a power supply line. The drain electrode of the PLDMOS transistor and the drain electrode of the first NMOS off transistor are connected. The source electrode of the second NMOS off transistor is connected to a ground line.
    Type: Grant
    Filed: January 13, 2012
    Date of Patent: April 22, 2014
    Assignee: Semiconductor Components Industries, LLC
    Inventor: Kazumasa Akai
  • Patent number: 8692329
    Abstract: An electric resistance element comprising: a base body, which is formed with a semiconductor material; a first contact element, which is electrically conductively connected to the base body; and a second contact element, which is electrically conductively connected to the base body. The base body has a first main surface into which a cutout is introduced. The first contact element is electrically conductively connected to the base body at least in places in the cutout. The base body has a second main surface, which is arranged in a manner lying opposite the first main surface. The second contact element is electrically conductively connected to the base body at least in places at the second main surface.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: April 8, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventor: Krister Bergenek
  • Patent number: 8664741
    Abstract: Provided is a high voltage semiconductor device that includes a PIN diode structure formed in a substrate. The PIN diode includes an intrinsic region located between a first doped well and a second doped well. The first and second doped wells have opposite doping polarities and greater doping concentration levels than the intrinsic region. The semiconductor device includes an insulating structure formed over a portion of the first doped well. The semiconductor device includes an elongate resistor device formed over the insulating structure. The resistor device has first and second portions disposed at opposite ends of the resistor device, respectively. The semiconductor device includes an interconnect structure formed over the resistor device. The interconnect structure includes: a first contact that is electrically coupled to the first doped well and a second contact that is electrically coupled to a third portion of the resistor located between the first and second portions.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: March 4, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company Ltd.
    Inventors: Ru-Yi Su, Fu-Chih Yang, Chun Lin Tsai, Chih-Chang Cheng, Ruey-Hsin Liu
  • Patent number: 8618608
    Abstract: A lateral silicon controlled rectifier structure includes a P-type substrate; an N-well region in the P-type substrate; a first P+ doped region in the N-well region and being connected to an anode; a P-well region in the P-type substrate and bordering upon the N-well region; a first N+ doped region formed in the P-well region and separated from the first P+ doped region by a spacing distance, the first N+ doped region being connected to a cathode; and a gate structure overlying a portion of the P-type substrate between the first P+ doped region and the first N+ doped region.
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: December 31, 2013
    Assignee: United Microelectronics Corp.
    Inventors: Ta-Cheng Lin, Te-Chang Wu
  • Patent number: 8598667
    Abstract: A semiconductor device includes a thin-film diode (1) and a protection circuit with a protection diode (20). The thin-film diode (1) includes: a semiconductor layer with first, second and channel regions; a gate electrode; a first electrode (S1) connected to the first region and the gate electrode; and a second electrode (D1) connected to the second region. The conductivity type of the thin-film diode (1) may be N-type and the anode electrode of the protection diode (20) may be connected to a line (3) that is connected to either the gate electrode or the first electrode of the thin-film diode (1). Or the conductivity type of the thin-film diode may be P-type and the cathode electrode of the protection diode may be connected to the line that is connected to either the gate electrode or the first electrode of the thin-film diode. The protection circuit includes no other diodes that are connected to the line (3) so as to have a current flowing direction opposite to the protection diode's (20).
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: December 3, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Hiroyuki Moriwaki
  • Patent number: 8592910
    Abstract: A semiconductor body includes a protective structure. The protective structure (10) includes a first and a second region (11, 12) which have a first conductivity type and a third region (13) that has a second conductivity type. The second conductivity type is opposite the first conductivity type. The first and the second region (11, 12) are arranged spaced apart in the third region (13), so that a current flow from the first region (11) to the second region (12) is made possible for the limiting of a voltage difference between the first and the second region (11, 12). The protective structure includes an insulator (14) that is arranged on the semiconductor body (9) and an electrode (16) that is constructed with floating potential and is arranged on the insulator (14).
    Type: Grant
    Filed: September 16, 2009
    Date of Patent: November 26, 2013
    Assignee: AMS AG
    Inventor: Hubert Enichlmair
  • Patent number: 8587072
    Abstract: An SiC semiconductor device includes a semiconductor element formed in an SiC substrate, a source electrode and a gate pad formed by using an interconnect layer having barrier metal provided at the bottom surface thereof, and a temperature measuring resistive element formed by using part of the barrier metal in the interconnect line.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: November 19, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yasunori Oritsuki, Naoki Yutani, Yoichiro Tarui
  • Patent number: 8558314
    Abstract: A semiconductor device includes a signal input pad, a protection object circuit, a first connection node connected with the protection object circuit, a first resistance element connected between the signal input pad and the first connection node, a first protection circuit section arranged between a power supply line or a ground line and a second connection node between the signal input pad and the first resistance element, and a second protection circuit section. The second protection circuit section includes at least one of a first PMOS transistor having a source connected with the first connection node, a drain connected with the ground line and a gate and a back gate connected with the power supply line, and a first NMOS transistor having a source connected with said first connection node, a drain connected with the power supply line and a gate and a back gate connected with the ground line.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: October 15, 2013
    Assignee: Renesas Electronics Corporation
    Inventor: Mototsugu Okushima
  • Patent number: 8554279
    Abstract: A boosting circuit unit supplies a boosting voltage to one terminal of a backlight. A boosting comparator compares a voltage applied to the other terminal of the backlight with a predetermined reference voltage value, and outputs a comparison result as a feedback signal reflecting the boosting voltage to the boosting circuit unit. An LED driver unit is connected to the other terminal of the backlight and supplies drive current to the backlight. An acquisition unit acquires a PWM signal, which is generated based on the content of a video signal and can be used to change the luminance of the backlight. An LPF unit outputs a time-averaged signal of the acquired PWM signal as a control signal to be supplied to the LED driver unit.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: October 8, 2013
    Assignees: Semiconductor Components Industries, LLC., Sanyo Semiconductor Co., Ltd.
    Inventor: Nobuyuki Otaka
  • Patent number: 8546884
    Abstract: A high value resistor of the present invention has an active layer deposited over a semi-insulating substrate. Channel etch regions are defined within the active layer. Gate metal is deposited over each channel etch region. Ohmic contact material is deposited at opposing ends of the active layer to define connection regions. A second metal is deposited over the connection regions to form input/output pads. This resistor pattern presents significant increase in resistance in a given area without any additional processing or process steps.
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: October 1, 2013
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventor: Michael L. Frank
  • Patent number: 8513738
    Abstract: An electrostatic discharge protection device, methods of fabricating an electrostatic discharge protection device, and design structures for an electrostatic discharge protection device. A drain of a first field-effect transistor and a diffusion resistor of higher electrical resistance may be formed as different portions of a doped region. The diffusion resistor, which is directly coupled with the drain of the first field-effect transistor, may be defined using an isolation region of dielectric material disposed in the doped region and selective silicide formation. The electrostatic discharge protection device may also include a second field-effect transistor having a drain as a portion the doped region that is directly coupled with the diffusion resistor and indirectly coupled by the diffusion resistor with the drain of the first field-effect transistor.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: August 20, 2013
    Assignee: International Business Machines Corporation
    Inventors: John B. Campi, Jr., Shunhua T. Chang, Kiran V. Chatty, Robert J. Gauthier, Jr., Junjun Li, Rahul Mishra, Mujahid Muhammad
  • Publication number: 20130200460
    Abstract: An electrostatic discharge (ESD) protection circuit is provided. A first NMOS transistor is coupled to a power line. A second NMOS transistor is coupled between the first transistor and a ground. A detection unit provides a detection signal when an ESD event occurs at the power line. A trigger unit turns on the second NMOS transistor and the first NMOS transistor in sequence in response to the detection signal, such that a discharge path is formed from the power line to the ground via the first and second NMOS transistors.
    Type: Application
    Filed: January 16, 2013
    Publication date: August 8, 2013
    Applicant: MEDIATEK INC.
    Inventor: MEDIATEK INC.
  • Patent number: 8502269
    Abstract: A first first-conductivity-type diffusion layer, a first second-conductivity-type diffusion layer, a second first-conductivity-type diffusion layer, and a second second-conductivity-type diffusion layer are arranged in this order. In a region where the second second-conductivity-type diffusion layer and the first-conductivity-type layer are in contact with each other, impurity concentrations thereof are higher in a part in contact with a side face of the second second-conductivity-type diffusion layer than in a part at a bottom surface of the second second-conductivity-type diffusion layer.
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: August 6, 2013
    Assignee: Renesas Electronics Corporation
    Inventors: Kouichi Sawahata, Masaharu Sato
  • Patent number: 8492801
    Abstract: A semiconductor structure with high breakdown voltage and high resistance and method for manufacturing the same. The semiconductor structure at least comprises a substrate having a first conductive type; a deep well having a second conductive type formed in the substrate; two first wells having the first conductive type and formed within the deep well; a second well having the first conductive type and formed between the two first wells within the deep well, and an implant dosage of the second well lighter than an implant dosage of each of the two first wells; and two first doping regions having the first conductive type and respectively formed within the two first wells.
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: July 23, 2013
    Assignee: System General Corp.
    Inventors: Chiu-Chih Chiang, Chih-Feng Huang
  • Patent number: 8415795
    Abstract: A semiconductor device and an assembling method thereof are provided. The semiconductor device includes a chip, a carrier, a plurality of first conductive elements and a plurality of second conductive elements. The chip has a plurality of first pads. The carrier has a plurality of second pads. The second pads correspond to the first pads. Each first conductive element is disposed between one of the first pads and one of the second pads. Each second conductive element is disposed between one of the first pads and one of the second pads. A volume ratio of intermetallic compound of the second conductive elements is greater than a volume ratio of intermetallic compound of the first conductive elements.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: April 9, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Yu-Min Lin, Chau-Jie Zhan, Su-Tsai Lu
  • Patent number: 8368145
    Abstract: A semiconductor device has a structure including the first semiconductor region 103 which is provided in the first terminal portion 100 and includes the first n-type impurity region 106, the first resistance region 107 provided at an inner periphery portion of the first n-type impurity region 106 in a plane view, and the first p-type impurity region 108 provided at an inner periphery portion of the first resistance region 107 in the plane view, and the second semiconductor region 104 which is provided in the second terminal portion 101 and includes the second p-type impurity region 109, the second resistance region 110 provided at an inner periphery portion of the second p-type impurity region 109 in the plane view, and the second n-type impurity region 111 provided at an inner periphery portion of the second resistance region 110 in the plane view.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: February 5, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Osamu Fukuoka, Masahiko Hayakawa, Hideaki Shishido
  • Publication number: 20130001697
    Abstract: A semiconductor device includes a signal input pad, a protection object circuit, a first connection node connected with the protection object circuit, a first resistance element connected between the signal input pad and the first connection node, a first protection circuit section arranged between a power supply line or a ground line and a second connection node between the signal input pad and the first resistance element, and a second protection circuit section. The second protection circuit section includes at least one of a first PMOS transistor having a source connected with the first connection node, a drain connected with the ground line and a gate and a back gate connected with the power supply line, and a first NMOS transistor having a source connected with said first connection node, a drain connected with the power supply line and a gate and a back gate connected with the ground line.
    Type: Application
    Filed: September 11, 2012
    Publication date: January 3, 2013
    Applicant: RENESAS ELECTRONICS CORPORATION
    Inventor: Mototsugu Okushima
  • Patent number: 8344456
    Abstract: An ESD protection circuit including a first electrostatic discharge protection circuit provided between first power supply wiring and first ground wiring; a second ESD protection circuit provided between second power supply wiring and second ground wiring; a third ESD protection circuit provided between the first ground wiring and the second ground wiring; a PMOS transistor coupled to the first power supply wiring and provided between a first CMOS circuit coupled to the first ground wiring and the first power supply wiring, the first CMOS circuit receiving a signal from a first internal circuit and outputting a signal to a first node; an NMOS transistor provided between the first node and the first ground wiring; and an ESD detection circuit that renders the PMOS transistor conductive and the NMOS transistor non-conductive during normal operation, and renders the PMOS transistor non-conductive and the NMOS transistor conductive when an ESD is applied.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: January 1, 2013
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Masahito Arakawa, Toshihiko Mori
  • Patent number: 8324686
    Abstract: A semiconductor device and method for manufacturing. One embodiment provides a semiconductor device including an active cell region and a gate pad region. A conductive gate layer is arranged in the active cell region and a conductive resistor layer is arranged in the gate pad region. The resistor layer includes a resistor region which includes a grid-like pattern of openings formed in the resistor layer. A gate pad metallization is arranged at least partially above the resistor layer and in electrical contact with the resistor layer. An electrical connection is formed between the gate layer and the gate pad metallization, wherein the electrical connection includes the resistor region.
    Type: Grant
    Filed: January 16, 2009
    Date of Patent: December 4, 2012
    Assignee: Infineon Technologies Austria AG
    Inventors: Armin Willmeroth, Carolin Tolksdorf
  • Patent number: 8310011
    Abstract: An electrostatic discharge protection device and methodology are provided for protecting semiconductor devices against electrostatic discharge events by temporarily forming during normal (non-ESD) operation two more inversion layers (112, 113) in a first well region (104) that is disposed between anode and cathode regions (105, 106) in response to one or more bias voltages (G1, G2) that are close to Vdd in order to reduce leakage current and capacitance during normal operation (non-ESD) condition. During an electrostatic discharge event, the bias voltages can be removed (e.g., decoupled or set to 0V) to eliminate the inversion layers, thereby forming a semiconductor resistor for shunting the ESD current.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: November 13, 2012
    Assignee: GlobalFoundries Inc.
    Inventors: Akram A. Salman, Stephen G. Beebe, Shuqing Cao
  • Patent number: 8283729
    Abstract: The semiconductor device includes a first MIS transistor including a gate insulating film 92, a gate electrode 108 formed on the gate insulating film 92 and source/drain regions 154, a second MIS transistor including a gate insulating film 96 thicker than the gate insulating film 92, a gate electrode 108 formed on the gate insulating film 96, source/drain regions 154 and a ballast resistor 120 connected to one of the source/drain regions 154, a salicide block insulating film 146 formed on the ballast resistor 120 with an insulating film 92 thinner than the gate insulating film 96 interposed therebetween, and a silicide film 156 formed on the source/drain regions 154.
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: October 9, 2012
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Tomohiko Tsutsumi, Taiji Ema, Hideyuki Kojima, Toru Anezaki
  • Patent number: 8283728
    Abstract: A semiconductor device includes a power supply line supplied with a power supply voltage; a power supply node connected with the power supply line; a ground line; a ground pad connected with the ground line; a signal input pad; a main protection circuit section configured to discharge an ESD surge applied to a first pad as one of the power supply node, the signal input pad and the ground pad to a second pad as another thereof; a protection object circuit; a connection node connected with the protection object circuit; a first resistance element connected between the signal input pad and the connection node; and a sub protection circuit section.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: October 9, 2012
    Assignee: Renesas Electronics Corporation
    Inventor: Mototsugu Okushima
  • Patent number: 8278714
    Abstract: A semiconductor device has an external connection terminal, an internal circuit region, an ESD protection N-MOS transistor provided between the external connection terminal and the internal circuit region to protect an internal element formed in the internal circuit region, and a shallow trench structure provided to isolate the ESD protection N-MOS transistor. A thin insulating film is formed on a drain region of the ESD protection N-MOS transistor. An electrode is disposed above the drain region and on the thin insulating film for receiving a signal from the external connection terminal. The thin insulating film has a film thickness and film properties that allow dielectric breakdown and establish conduction between the electrode and the drain region when a voltage exceeding an absolute maximum rating of the semiconductor device is applied to the electrode.
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: October 2, 2012
    Assignee: Seiko Instruments Inc.
    Inventor: Hiroaki Takasu
  • Publication number: 20120181611
    Abstract: The invention provides a semiconductor device including an ESD protection circuit with a high ESD protection characteristic. An RC timer included discharge portion including an RC timer formed by a resistor element and a capacitor element and a PLDMOS transistor is formed so as to turn on only when a surge voltage due to static electricity is applied. Furthermore, a noise prevention portion including first and second NMOS off transistors of which the source electrode and the drain electrode are connected is formed. The source electrode of the PLDMOS transistor of the RC timer included discharge portion is connected to a power supply line. The drain electrode of the PLDMOS transistor and the drain electrode of the first NMOS off transistor are connected. The source electrode of the second NMOS off transistor is connected to a ground line.
    Type: Application
    Filed: January 13, 2012
    Publication date: July 19, 2012
    Applicant: Semiconductor Components Industries, LLC
    Inventor: Kazumasa AKAI
  • Patent number: 8203198
    Abstract: A thin film capacitor device of the present invention has a thin film capacitor having two electrodes and a dielectric layer provided therebetween and external terminals electrically connected to the electrodes. In addition, the thin film capacitor device also has resistor layers which are provided between the external terminals and the electrodes and adjacent thereto, and which are formed of a material have a higher resistivity than that of the adjacent electrodes.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: June 19, 2012
    Assignee: Fujitsu Limited
    Inventors: Takeshi Shioga, Kazuaki Kurihara
  • Patent number: 8183637
    Abstract: There is provided a semiconductor device including: a field effect transistor that is provided with a gate region, a drain region and a source region and that is formed on a substrate; a circuit region that is formed on the substrate so as to be electrically isolated from the field effect transistor; a first guard ring that is formed in a ring shape encircling the field effect transistor and that includes an internal resistance; and a second guard ring that is formed in a ring shape encircling the circuit region, that forms a capacitance between the second guard ring and the gate region by capacitive coupling with the gate region, and that includes an internal resistance.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: May 22, 2012
    Assignee: Oki Semiconductor Co., Ltd.
    Inventor: Chikashi Fuchigami
  • Patent number: 8148781
    Abstract: This present invention relates in general to protection of integrated circuit chips, and more particularly, to a micromachined suppression device for protecting integrated circuit chips from electrostatic discharges. The proposed ESD suppression device consists of conductive pillars are dispersed in a dielectric material. The gaps between each pillar behave like spark gaps when a high voltage ESD pulse occurs. When the voltage of the pulse reaches the “trigger voltage” these gaps spark over, creating a very low resistance path. In normal operation, the leakage current and the capacitance is very low, due to the physical gaps between the conductive pillars. The proposed ESD suppression device is fabricated using micromachining techniques to be on-chip with device ICs.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: April 3, 2012
    Assignee: MCube Inc.
    Inventor: Xiao (Charles) Yang
  • Patent number: 8143674
    Abstract: A semiconductor device having a resistor and a method of fabricating the same are provided. The semiconductor device includes a semiconductor substrate having a first circuit region and a second circuit region. A lower interlayer insulating layer is provided over the semiconductor substrate. A first hole passing through the lower interlayer insulating layer in the first circuit region and a second hole passing through the lower interlayer insulating layer in the second circuit region are provided. A first semiconductor pattern and a second semiconductor pattern are sequentially stacked in the first hole. A first resistor having the same crystalline structure as the second semiconductor pattern is provided in the second hole.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: March 27, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-Won Ha, Sang-Yoon Kim
  • Patent number: 8129789
    Abstract: A semiconductor chip includes a semiconductor body having an upper surface. At least one power semiconductor component is integrated in the semiconductor chip together with other circuitry. Two or more vertically spaced metallization layers are arranged on the surface of the semiconductor body. The top metallization layer includes terminals establishing an electrical connection to load terminals of the power semiconductor component. A current measurement resistor is formed by a portion of the top metallization layer for sensing a load current of the power semiconductor component. A temperature measurement resistor is formed by a portion of at least one of the vertically spaced metallization layers, electrically isolated from current measurement resistor but thermally coupled thereto such that the current measurement resistor and the temperature measurement resistor have the same temperature.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: March 6, 2012
    Assignee: Infineon Technologies AG
    Inventors: Alexander Mayer, Guenter Herzele, Andreas Tschmelitsch, Matthias Kogler
  • Patent number: 8115257
    Abstract: A semiconductor apparatus includes an internal circuit, a CMOS composed of a P-channel MOS transistor with a source connected to a high-potential power supply line and a gate connected to the internal circuit, and an N-channel MOS transistor with a source connected to a low-potential power supply line and a gate connected to the internal circuit, an output terminal connected to a drain of the P-channel MOS transistor and a drain of the N-channel MOS transistor and a protection transistor with a source and a gate connected to one power supply line of the high-potential power supply line and the low-potential power supply line and a drain connected to the output terminal, a conductivity type of the protection transistor being the same as a conductivity type of one MOS transistor of the P-channel MOS transistor and the N-channel MOS transistor, the source of the one MOS transistor being connected to the one power supply line.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: February 14, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Hideaki Sai
  • Patent number: 8080852
    Abstract: The semiconductor device includes a first MIS transistor including a gate insulating film 92, a gate electrode 108 formed on the gate insulating film 92 and source/drain regions 154, a second MIS transistor including a gate insulating film 96 thicker than the gate insulating film 92, a gate electrode 108 formed on the gate insulating film 96, source/drain regions 154 and a ballast resistor 120 connected to one of the source/drain regions 154, a salicide block insulating film 146 formed on the ballast resistor 120 with an insulating film 92 thinner than the gate insulating film 96 interposed therebetween, and a silicide film 156 formed on the source/drain regions 154.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: December 20, 2011
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Tomohiko Tsutsumi, Taiji Ema, Hideyuki Kojima, Toru Anezaki
  • Publication number: 20110241731
    Abstract: Electrostatic discharge clamp devices are described. In one embodiment, the semiconductor device includes a first transistor, the first transistor including a first source/drain and a second source/drain, the first source/drain coupled to a first potential node, the second source/drain coupled to a second potential node. The device further includes a OR logic block, a first input of the OR logic block coupled to the first potential node through a capacitor, the first input of the OR logic block being coupled to the second potential node through a resistor, and a second input of the OR logic block coupled to a substrate pickup node of the first transistor.
    Type: Application
    Filed: June 13, 2011
    Publication date: October 6, 2011
    Inventor: Cornelius Christian Russ
  • Patent number: 8018002
    Abstract: An electrostatic discharge protection device and methodology are provided for protecting semiconductor devices against electrostatic discharge events by temporarily forming during normal (non-ESD) operation two more inversion layers (112, 113) in a first well region (104) that is disposed between anode and cathode regions (105, 106) in response to one or more bias voltages (G1, G2) that are close to Vdd in order to reduce leakage current and capacitance during normal operation (non-ESD) condition. During an electrostatic discharge event, the bias voltages can be removed (e.g., decoupled or set to 0V) to eliminate the inversion layers, thereby forming a semiconductor resistor for shunting the ESD current.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: September 13, 2011
    Assignee: GlobalFoundries Inc.
    Inventors: Akram A. Salman, Stephen G. Beebe, Shuqing Cao
  • Patent number: 8018038
    Abstract: An IC card capable of reinforcing the prevention of the electrostatic damage without causing a rise in the cost of a semiconductor integrated circuit chip. The semiconductor integrated circuit chip (2) is mounted on a card substrate (1), and plural connection terminals (3) are exposed. The connection terminals are connected to predetermined external terminals (4) of the semiconductor integrated circuit chip, first overvoltage protection elements (7, 8, 9) connected to the external terminals are integrated in the semiconductor integrated circuit chip, and second overvoltage protection elements such as surface-mount type varistors (11) connected to the connection terminals are mounted on the card substrate. The varistors are variable resistor elements having a current tolerating ability greater than that of the first overvoltage protection elements.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: September 13, 2011
    Assignee: Renesas Electronics Corporation
    Inventors: Hirotaka Nishizawa, Yosuke Yukawa, Takashi Totsuka
  • Patent number: 8013394
    Abstract: Integrated circuits (IC) and a method of fabricating an IC, where the structure of the IC incorporates a back-end-of-the-line (BEOL) thin film resistor below a first metal layer to achieve lower topography are disclosed. The resistor directly contacts any one of: a contact metal in the front-end-of-the-line (FEOL) structure; first metal layer in the BEOL interconnect; or the combination thereof, to avoid the necessity of forming contacts with differing heights or contacts over varying topography.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: September 6, 2011
    Assignee: International Business Machines Corporation
    Inventors: Anil K Chinthakindi, Vincent J McGahay
  • Patent number: 7994576
    Abstract: A method for fabricating metal gate transistor and resistor is disclosed. The method includes the steps of: providing a substrate having a transistor region and a resistor region; forming a shallow trench isolation in the substrate of the resistor region; forming a tank in the shallow trench isolation of the resistor region; forming at least one gate in the transistor region and a resistor in the tank of the resistor region; and transforming the gate into a metal gate transistor.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: August 9, 2011
    Assignee: United Microelectronics Corp.
    Inventors: Chih-Yu Tseng, Chien-Ting Lin, Kun-Szu Tseng, Cheng-Wen Fan, Victor-Chiang Liang
  • Patent number: 7986007
    Abstract: The structure of the MOS transistor provided in this invention has LDD (lightly doped drain) and halo doped regions removed from the source, the drain or both regions in the substrate for improved linearity range when operated as a voltage-controlled resistor. The removal of the LDD and halo doped regions is performed by simply modifying the standard mask of the MOS process using a logic operation layer with no extra mask required.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: July 26, 2011
    Assignee: Realtek Semiconductor Corp.
    Inventors: Kai-Yi Huang, Ta-Hsun Yeh, Yuh-Sheng Jean
  • Patent number: 7982277
    Abstract: A method for fabricating a back-illuminated semiconductor imaging device on an ultra-thin semiconductor-on-insulator wafer (UTSOI) is disclosed. The UTSOI wafer includes a mechanical substrate, an insulator layer, and a seed layer. At least one dopant is applied to the semiconductor substrate. A first portion of an epitaxial layer is grown on the seed layer. A predefined concentration of carbon impurities is introduced into the first portion of the epitaxial layer. A remaining portion of the epitaxial layer is grown. During the epitaxial growth process, the at least one dopant diffuses into the epitaxial layer such that, at completion of the growing of the epitaxial layer, there exists a net dopant concentration profile which has an initial maximum value at an interface between the seed layer and the insulator layer and which decreases monotonically with increasing distance from the interface within at least a portion of at least one of the semiconductor substrate and the epitaxial layer.
    Type: Grant
    Filed: May 13, 2009
    Date of Patent: July 19, 2011
    Assignee: SRI International
    Inventor: Lawrence Alan Goodman
  • Publication number: 20110133282
    Abstract: A semiconductor device includes a power supply line supplied with a power supply voltage; a power supply node connected with the power supply line; a ground line; a ground pad connected with the ground line; a signal input pad; a main protection circuit section configured to discharge an ESD surge applied to a first pad as one of the power supply node, the signal input pad and the ground pad to a second pad as another thereof; a protection object circuit; a connection node connected with the protection object circuit; a first resistance element connected between the signal input pad and the connection node; and a sub protection circuit section.
    Type: Application
    Filed: December 6, 2010
    Publication date: June 9, 2011
    Applicant: Renesas Electronics Corporation
    Inventor: Mototsugu Okushima
  • Patent number: 7939893
    Abstract: A semiconductor device manufacturing method includes, forming isolation region having an aspect ratio of 1 or more in a semiconductor substrate, forming a gate insulating film, forming a silicon gate electrode and a silicon resistive element, forming side wall spacers on the gate electrode, heavily doping a first active region with phosphorus and a second active region and the resistive element with p-type impurities by ion implantation, forming salicide block at 500° C. or lower, depositing a metal layer covering the salicide block, and selectively forming metal silicide layers. The method may further includes, forming a thick and a thin gate insulating films, and performing implantation of ions of a first conductivity type not penetrating the thick gate insulating film and oblique implantation of ions of the opposite conductivity type penetrating also the thick gate insulating film before the formation of side wall spacers.
    Type: Grant
    Filed: August 11, 2010
    Date of Patent: May 10, 2011
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Taiji Ema, Hideyuki Kojima, Toru Anezaki
  • Patent number: 7935953
    Abstract: A nonvolatile memory device including a lower electrode, a resistor structure disposed on the lower electrode, a middle electrode disposed on the resistor structure, a diode structure disposed on the middle electrode, and an upper electrode disposed on the diode structure. A nonvolatile memory device wherein the resistor structure includes one resistor and the diode structure includes one diode. An array of nonvolatile memory device as described above. Methods of manufacturing a nonvolatile memory device and an array of nonvolatile memory device.
    Type: Grant
    Filed: November 2, 2007
    Date of Patent: May 3, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Eon Ahn, In-Kyeong Yoo, Young-Soo Joung, Young-Kwan Cha, Myoung-Jae Lee, David Seo, Sun-Ae Seo
  • Patent number: 7932561
    Abstract: A semiconductor apparatus is equipped with an internal circuit (201) including a semiconductor element (202)(203) and a protection circuit (101) including a semiconductor (102)(103) for protecting the internal circuit (201) against damage from electrostatic discharge (ESD). The semiconductor elements (102)(103) (202)(203) constituting the internal circuit (201) and the protection circuit (101) include an impurity diffusion region (7)(8) connected by an external terminal and a guard band region (6)(5) formed near the impurity diffusion region (7)(8), respectively. A shortest distance (102L)(103L) between the impurity diffusion region (7)(8) and the guard band region (6)(5) in the semiconductor element (102)(103) of the protection circuit (101) is set to be shorter than a shortest distance (202L)(203L) between the impurity diffusion region (7)(8) and the guard band region (6)(5) in the semiconductor element (202)(203) of the internal circuit (201).
    Type: Grant
    Filed: March 8, 2007
    Date of Patent: April 26, 2011
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Toshio Kakiuchi
  • Patent number: 7923783
    Abstract: A semiconductor memory device according to an embodiment of the present invention includes a resistance element which is constructed with a first conductor which extends in a first direction and is connected to a first contact; a second conductor which extends in said first direction and is connected to a second contact; and a first insulation film which exists between said first conductor and said second conductor, said first insulation film also having an opening in which a third conductor which connects said first conductor and said second conductor is arranged.
    Type: Grant
    Filed: March 20, 2009
    Date of Patent: April 12, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Takumi Abe
  • Publication number: 20110073950
    Abstract: The semiconductor device includes a first MIS transistor including a gate insulating film 92, a gate electrode 108 formed on the gate insulating film 92 and source/drain regions 154, a second MIS transistor including a gate insulating film 96 thicker than the gate insulating film 92, a gate electrode 108 formed on the gate insulating film 96, source/drain regions 154 and a ballast resistor 120 connected to one of the source/drain regions 154, a salicide block insulating film 146 formed on the ballast resistor 120 with an insulating film 92 thinner than the gate insulating film 96 interposed therebetween, and a silicide film 156 formed on the source/drain regions 154.
    Type: Application
    Filed: December 10, 2010
    Publication date: March 31, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Tomohiko Tsutsumi, Taiji Ema, Hideyuki Kojima, Toru Anezaki
  • Patent number: 7893497
    Abstract: Provided is a semiconductor device including an electrostatic discharge (ESD) protection element provided between an external connection terminal and an internal circuit region. In the semiconductor device, interconnect extending from the external connection terminal to the ESD protection element includes a plurality of metal interconnect layers so that a resistance of the interconnect extending from the external connection terminal to the ESD protection element is made smaller than a resistance of interconnect extending from the ESD protection element to an internal element. The interconnect extending from the ESD protection element to the internal element includes metal interconnect layers equal to or smaller in number than the plurality of interconnect layers used in the interconnect extending from the external connection terminal to the ESD protection element.
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: February 22, 2011
    Assignee: Seiko Instruments Inc.
    Inventor: Hiroaki Takasu
  • Patent number: 7888740
    Abstract: The semiconductor device includes a first MIS transistor including a gate insulating film 92, a gate electrode 108 formed on the gate insulating film 92 and source/drain regions 154, a second MIS transistor including a gate insulating film 96 thicker than the gate insulating film 92, a gate electrode 108 formed on the gate insulating film 96, source/drain regions 154 and a ballast resistor 120 connected to one of the source/drain regions 154, a salicide block insulating film 146 formed on the ballast resistor 120 with an insulating film 92 thinner than the gate insulating film 96 interposed therebetween, and a silicide film 156 formed on the source/drain regions 154.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: February 15, 2011
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Tomohiko Tsutsumi, Taiji Ema, Hideyuki Kojima, Toru Anezaki
  • Patent number: 7888710
    Abstract: Complementary metal oxide semiconductor transistors are formed on a silicon substrate. The substrate has a {100} crystallographic orientation. The transistors are formed on the substrate so that current flows in the channels of the transistors are parallel to the <100> direction. Additionally, longitudinal tensile stress is applied to the channels.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: February 15, 2011
    Assignee: Intel Corporation
    Inventors: Mark Armstrong, Gerhard Schrom, Sunit Tyagi, Paul A. Packan, Kelin J. Kuhn, Scott Thompson
  • Patent number: 7880206
    Abstract: Provided is a CMOS image sensor with an asymmetric well structure of a source follower. The CMOS image sensor includes: a well disposed in an active region of a substrate; a drive transistor having one terminal connected to a power voltage and a first gate electrode disposed to cross the well; and a select transistor having a drain-source junction between another terminal of the drive transistor and an output node, and a second gate electrode disposed in parallel to the drive transistor. A drain region of the drive transistor and a source region of the select transistor are asymmetrically arranged.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: February 1, 2011
    Assignee: Crosstek Capital, LLC
    Inventor: Hee-Jeong Hong
  • Patent number: RE42776
    Abstract: An integrated circuit biases the substrate and well using voltages other than those used for power and ground. Tap cells inside the standard cell circuits are removed. New tap cells used to bias the substrate and well reside outside the standard cell circuits. The location of the new voltage power rails is designated prior to placement of the tap cells in the integrated circuit. The tap cells are then strategically placed near the power rails such that metal connections are minimized. Circuit density is thus not adversely impacted by the addition of the new power rails. Transistors are also placed inside the tap cells to address electrostatic discharge issues during fabrication.
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: October 4, 2011
    Assignee: Marvell International Ltd.
    Inventors: Lawrence T. Clark, Vikas R. Amrelia, Raphael A. Soetan, Eric J. Hoffman, Tuan X. Do