Having Specific Type Of Active Device (e.g., Cmos) Patents (Class 257/204)
  • Patent number: 6605833
    Abstract: An integrated circuit includes first circuit elements with a supply voltage which is equal to the external supply voltage of the IC, and second circuit elements with a supply voltage which is smaller than the external supply voltage and is derived as an internal supply voltage from the first supply voltage. An active voltage divider supplies the internal supply voltage and includes a first resistance voltage divider connected between the supply voltage terminal and the reference potential, an impedance transformer connected after the first resistance voltage divider, and a circuit for controlling the scaled voltage at the tap of the first resistance voltage divider as a function of the load of the second circuit elements.
    Type: Grant
    Filed: October 11, 2001
    Date of Patent: August 12, 2003
    Assignee: Dialog Semiconductor GmbH
    Inventor: Paul Zehnich
  • Patent number: 6603158
    Abstract: A base cell is configured such that P-type regions 11 to 13 are arrayed in a column direction in an N-type well 10, N-type regions 21 to 23 are arrayed in a column direction in a P-type well 20 next to the N-type well, gate lines 34A and 35B passing above a channel between the P-type regions and further between the N-type regions are formed in a row direction, and well contact regions 16C and 26C are formed in the wells 10 and 20 at outer ends thereof, respectively, while no gate contacts are formed at the outer ends. Power supply lines VDD and VSS connected to the well contact regions are formed in the column direction in a second wiring layer above a first wiring layer.
    Type: Grant
    Filed: July 27, 2000
    Date of Patent: August 5, 2003
    Assignee: Fujitsu Limited
    Inventors: Yoshio Kajii, Toru Osajima
  • Patent number: 6600180
    Abstract: A semiconductor device suppressing increase of the number of types of exposure mask for implantations, preventing complication of manufacturing steps and suppressing the manufacturing cost and manufacturing steps therefor are provided. An impurity implantation region (R81) is formed by first implantation with an exposure mask for implantation having an opening at the lower right and this exposure mask for implantation is turned over for forming another impurity implantation region (R82) by second implantation, thereby forming three types of impurity implantation regions including the impurity implantation region (R81) formed through the first implantation, the impurity implantation region (R82) formed through the second implantation and still another impurity implantation region (R83) formed through the first implantation and the second implantation. Four types of regions inclusive of a region (R84) not subjected to impurity implantation can be formed with a single type of exposure mask for implantation.
    Type: Grant
    Filed: July 12, 2000
    Date of Patent: July 29, 2003
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Syuuichi Ueno, Tomohiro Yamashita, Hirokazu Sayama
  • Publication number: 20030137014
    Abstract: A capacitive element C1 having a small leakage current is formed by utilizing a gate oxide film 9B thicker than that of a MISFET of a logic section incorporated in a CMOS gate array, without increasing the number of steps of manufacturing the CMOS gate array. The capacitive element C1 has a gate electrode 10E. A part of the gate electrode 10E is made of a polycrystalline silicon film. The polycrystalline silicon film is doped with n-type impurities, so that the capacitive element may reliably operate even at a low power supply voltage.
    Type: Application
    Filed: February 5, 2003
    Publication date: July 24, 2003
    Inventors: Kazuhisa Suzuki, Toshiro Takahashi, Yasunobu Yanagisawa, Yusuke Nonaka
  • Patent number: 6593201
    Abstract: Monolithic inductance-enhancing integrated circuits, complementary metal oxide semiconductor (CMOS) inductance-enhancing integrated circuits, inductor assemblies, and inductance-multiplying methods are described. In one embodiment, a monolithic inductance-enhancing integrated circuit comprises a transistor supported by a bulk monocrystalline silicon substrate. An inductor assembly is supported by the substrate and operably connected with the transistor in an inductance-enhancing circuit configuration having a quality factor (Q) greater than 10. In another embodiment, a complementary metal oxide semiconductor (CMOS), inductance-enhancing integrated circuit includes a field effect transistor supported over a silicon-containing substrate and having a gate, a source, and a drain. A first inductor is received within an insulative material layer over the substrate, and is connected to the gate. A second inductor is received within the insulative material layer and is connected to the source.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: July 15, 2003
    Assignee: Micron Technology, Inc.
    Inventor: Leonard Forbes
  • Publication number: 20030127663
    Abstract: A semiconductor integrated circuit device comprises a p-channel MISFET and/or an n-channel MISFET, of which an SRAM cell is constituted and which is arranged to have an offset structure, and MISFET for selection of SRAM cells and MISFET constituting a peripheral circuit of SRAM or a logic circuit which is arranged to have a non-offset structure. At least one of MISFET's constituting an SRAM cell is arranged to take a measure against GIDL (gate induced drain leakage) current.
    Type: Application
    Filed: December 27, 2002
    Publication date: July 10, 2003
    Inventor: Fumitoshi Ito
  • Publication number: 20030122160
    Abstract: A memory array including a bit cell row, a strap cell row, a first power supply line, and a first offset supply line is provided. The bit cell row may include a bit cell that includes a first transistor disposed in a first bit cell body region. The first transistor may include a first active region. The strap cell row may include a strap cell that includes a first strap cell body region. The first strap cell body region may be conductively coupled to the first bit cell body region. The first power supply line may be electrically coupled to the first active region and may provide a first supply voltage potential to the first active region. The first offset supply line may be electrically coupled to the first strap cell body region and may provide a first offset voltage potential to the first bit cell body region via the first strap cell body region. The first supply voltage potential is operable to be different from the first offset voltage potential.
    Type: Application
    Filed: December 31, 2001
    Publication date: July 3, 2003
    Applicant: Texas Instruments Incorporated
    Inventors: Theodore W. Houston, Sudhir K. Madan
  • Publication number: 20030122159
    Abstract: A SRAM of complete CMOS type having its memory cell composed of six MISFETs, in which a pair of local wiring lines for connecting the input/output terminals of CMOS inverters are formed of a refractory metal silicide layer formed over a first conducting layer constituting the individual gate electrodes;of the drive MISFETs, the transfer MISFETs and the load MISFETs of the memory cell and in which a reference voltage line formed over the local wiring lines is arranged to be superposed over the local wiring lines to form a capacity element.
    Type: Application
    Filed: November 26, 2002
    Publication date: July 3, 2003
    Inventors: Shuji Ikeda, Toshiaki Yamanaka, Kenichi Kikushima, Shinichiro Mitani, Kazushige Sato, Akira Fukami, Masaya lida, Akihiro Shimizu
  • Publication number: 20030102494
    Abstract: The present invention provides a semiconductor device comprising a semiconductor substrate, and transistors formed on the semiconductor substrate, wherein control electrode terminals constituting external electrode terminals of the transistors, and first electrode terminals which transmit output signals, are provided on a main surface of the semiconductor substrate, wherein the control electrode terminals are provided at least one, and a plurality of the first electrode terminals are arranged on one side and a plurality of the first electrode terminals are arranged on the other side with the control electrode terminals being interposed therebetween, wherein a portion including the control electrode terminals and a plurality of the first electrode terminals located on one side of the control electrode terminals constitute a first transistor portion, and wherein a portion including the control electrode terminals and a plurality of the first electrode terminals located on the other side of the control electrode
    Type: Application
    Filed: November 12, 2002
    Publication date: June 5, 2003
    Applicant: Hitachi, Ltd.
    Inventors: Hitoshi Akamine, Masashi Suzuki, Masao Yamane, Tetsuaki Adachi
  • Patent number: 6566720
    Abstract: A base cell for a gate array or standard cell integrated circuit design has N and P wells organized in checkerboard fashion, each well containing several P and N devices respectively. A first of the plurality of relatively deep P regions is adjacent to at least a first and a second of the plurality of relatively deep N regions. The first relatively deep N region is adjacent to the first relatively deep P region along a first edge of the first relatively deep N region, and to the second relatively deep P region along a second edge of the relatively deep N region. The first and second edges of the relatively deep N region are perpendicular. An array of the base cells therefore has a checkerboard pattern, unlike the striped pattern of typical gate array and standard cell designs. The array of the base cells is amenable to minimizing clock parasitic capacitance when clocked inverters, including the complimentary clocked inverters of latches, are laid out at vertexes of the checkerboard pattern.
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: May 20, 2003
    Assignees: United Memories, Inc., Sony Corporation
    Inventor: Lawrence L. Aldrich
  • Patent number: 6559476
    Abstract: A method for measuring bridge induced by mask layout amendment. Provide a mask with a layout that comprises a conductor line pattern, numerous gate patterns which are connected with conductor line pattern, and numerous contact pattern groups, each contact pattern group has numerous contact patterns and at least surrounds one terminal, which does not contact with conductor line, of one corresponding gate pattern. Then, amend this layout and transfer amended layout into a substrate to form a conductor line, numerous gates and numerous contact groups in and on this substrate. Finally, electrically couple these contact groups with a terminal, then, apply an electrical signal into this conductor line and measure whether the electrical signal appears at this terminal.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: May 6, 2003
    Assignee: United Microelectronics Corp.
    Inventor: Cheng-Nan Lin
  • Patent number: 6559821
    Abstract: A liquid crystal display comprising one or more than one shift registers is characterized in that the timing of turning off the input gate of the inverter connected to the gate of the pMOS transistor of the CMOS transistor is earlier than that of the input gate of the inverter connected to the gate of the nMOS transistor of the CMOS transistor by the difference between the two MOS transistors in the time required for getting to a threshold level after turning off the input gate.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: May 6, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Ichikawa, Katsumi Kurematsu, Osamu Koyama
  • Patent number: 6555859
    Abstract: A method of forming an integrated ferroelectric/CMOS structure which effectively separates incompatible high temperature deposition and annealing processes is provided. The method of the present invention includes separately forming a CMOS structure and a ferroelectric delivery wafer. These separate structures are then brought into contact with each and the ferroelectric film of the delivery wafer is bonded to the upper conductive electrode layer of the CMOS structure by using a low temperature anneal step. A portion of the delivery wafer is then removed providing an integrated FE/CMOS structure wherein the ferroelectric capacitor is formed on top of the CMOS structure. The capacitor is in contact with the transistor of the CMOS structure through all the wiring levels of the CMOS structure.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: April 29, 2003
    Assignee: International Business Machines Corporation
    Inventors: James William Adkisson, Charles Thomas Black, Alfred Grill, Randy William Mann, Deborah Ann Neumayer, Wilbur David Pricer, Katherine Lynn Saenger, Thomas McCarroll Shaw
  • Patent number: 6552372
    Abstract: An MOS integrated circuit, such as an input-output buffer, exhibits improved resistance to damage from electrostatic discharge (ESD) by balancing the ESD current flow through active and inactive sections of drivers. Better balance of the ESD current flow is achieved by increasing the width and length of nulti-finger channels of semiconductor material defining the gates of the drivers in the active section. Wider, longer gates of the drivers in the active section increase their ability to carry current, thereby resulting in a more symmetrical distribution of ESD current between the active and inactive sections without degrading the IC's normal performance.
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: April 22, 2003
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd
    Inventors: Yi-Hsun Wu, Jian-Hsing Lee, Shui-Hung Chen, Jian-Ren Shih
  • Patent number: 6548839
    Abstract: An LDMOS array includes an array of alternating source regions and drain regions formed in a semiconductor substrate to define a checkerboard pattern of source and drain regions. A source contact is formed in electrical contact with each of the source regions in the array to connect the source regions in parallel. A drain contact is formed in electrical contact with each of the drain regions in the array to connect the drain regions in parallel. A drain ring is formed around the periphery of the checkerboard pattern and in electrical contact with the drain contact, providing redistribution of the current flow within the LDMOS array and thereby allowing safer hot carrier operation at higher biases than with the conventional layout.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: April 15, 2003
    Assignee: National Semiconductor Corporation
    Inventors: Andrew Strachan, Douglas Brisbin
  • Patent number: 6545310
    Abstract: A first plurality of memory cells (32, 33) connected in series lies within a first well (47) that is separated and electrically isolated (42) from a second plurality of memory cells (36 et al.) connected in series lying within a second well (46). In one embodiment, the first and second wells (46, 47) are doped p-type and are contained within an n-well (48) and a substrate (49). Applying a negative voltage to its corresponding bit line and a positive voltage to its corresponding word line programs a predetermined memory cell within the first plurality. A lesser positive voltage than that applied to the predetermined memory cell's word line is applied to all other bit lines and word lines of non-selected memory cells. By utilizing a negative voltage while programming a memory cell, the magnitude of programming voltages is reduced, thereby, removing the need for an elaborate charge pump to generate a much higher programming voltage.
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: April 8, 2003
    Assignee: Motorola, Inc.
    Inventors: Chi Nan Brian Li, Kuo-Tung Chang
  • Publication number: 20030062549
    Abstract: An active cell for a photosensitive sensor that includes photosensitive diode in which the transistors of the cell are implemented using CMOS technology. The cell operates with an exposure phase in which the quantity of light impinging on the cell is detected followed by a scanning phase during which the luminance information caused by the impinging light is extracted from the cell. The cell is arranged in such a way to virtually completely isolate the charge accumulation node from the remainder of the cell after the exposure phase to eliminate stray accumulation of charge carriers.
    Type: Application
    Filed: October 4, 2002
    Publication date: April 3, 2003
    Inventors: Stefan Lauxtermann, Georg Paul Israel
  • Patent number: 6542005
    Abstract: A semiconductor integrated circuit is provided with logic circuits having transistors. The semiconductor integrated circuit is also provide with a clock tree including clock drivers which have transistors to distribute a clock signal to the logic circuits. Gate lengths of the transistors provided in the clock drivers are longer than that of the transistors provided in the logic circuits.
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: April 1, 2003
    Assignee: NEC Corporation
    Inventor: Hiroshi Yamamoto
  • Publication number: 20030060011
    Abstract: A semiconductor device of the present invention has memory cells. Each of the memory cells includes a word gate formed over a semiconductor substrate with a first gate insulating layer interposed therebetween, an impurity layer, and first and second control gates in a shape of sidewalls. Each of the first and second control gates has a rectangular or square cross-sectional shape.
    Type: Application
    Filed: September 17, 2002
    Publication date: March 27, 2003
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Akihiko Ebina, Susumu Inoue
  • Publication number: 20030047759
    Abstract: The present invention relates to an integrated circuit, comprising:
    Type: Application
    Filed: September 10, 2002
    Publication date: March 13, 2003
    Inventors: Joachim Christian Reiner, Paul Georg Melchior Gradenwitz
  • Patent number: 6528897
    Abstract: A semiconductor memory device may be formed from a pair of transfer MOS transistors 1, 2 controlled by a word line 11 and a pair of data retaining flip-flop circuit formed from serially connected load elements 5, 6 and drive MOS transistors 3, 4. In the semiconductor memory device, the transfer MOS transistors 1, 2 have a threshold voltage greater than a threshold voltage of the drive MOS transistors 3, 4. The memory device may display an improved &bgr; ratio, and reduce the size of the drive MOS transistors to thereby reduce the cell area.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: March 4, 2003
    Assignee: Seiko Epson Corporation
    Inventor: Kazunobu Kuwazawa
  • Publication number: 20030030074
    Abstract: There is provided a monolithic three dimensional TFT mask ROM array. The array includes a plurality of device levels. Each of the plurality of device levels contains a first set of enabled TFTs and a second set of partially or totally disabled TFTs.
    Type: Application
    Filed: October 26, 2001
    Publication date: February 13, 2003
    Inventors: Andrew J. Walker, Christopher Petti
  • Patent number: 6501115
    Abstract: A plurality of first contact holes reaching an n+-type semiconductor area used as the source of a MISFET employed in a logic-DRAM mixture LSI and a plurality of second contact holes reaching another n+-type semiconductor area used as the drain of the MISFET are bored through an insulation layer created over a gate electrode of the MISFET. A conductive film on the same layer as a bit line shunts the n+-type semiconductor area used as the source through the first contact holes. Another conductive film shunts the n+-type semiconductor area used as the drain through the second contact holes.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: December 31, 2002
    Assignee: Hitachi, Ltd.
    Inventors: Makoto Yoshida, Katsuyuki Asaka, Toshihiko Takakura
  • Publication number: 20020190279
    Abstract: In an analog MOS semiconductor device, each of a plurality of MOS transistors includes a plurality of micro-unit transistors. In this way, even if a process error occurs in a transistor, a systematic offset voltage and a random offset voltage are suppressed to low levels. The micro-unit transistor has a channel width that is obtained by dividing, by an integer, a smallest channel width among those of the plurality of MOS transistors. Each micro-unit transistor includes two small transistors connected in parallel to each other, including a shared drain located in a central position, gates located on opposite sides of the drain, and sources located respectively on the outer side of the gates, i.e., at opposite ends of the micro-unit transistor.
    Type: Application
    Filed: March 27, 2002
    Publication date: December 19, 2002
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventor: Junji Nakatsuka
  • Publication number: 20020190280
    Abstract: A semiconductor device having a memory cell including first and second load transistors, first and second driver transistors, and first and second transfer transistors. The semiconductor device includes first and second gate-gate electrode layers, first and second drain-drain wiring layers, and first and second drain-gate wiring layers. The first drain-gate wiring layer and the second drain-gate wiring layer are located in different layers. The first drain-gate wiring layer is located below the first drain-drain wiring layer, and the second drain-gate wiring layer is located in above the first drain-drain wiring layer. This structure provides a semiconductor device that has reduced cell area. The invention also provides a memory system and electronic apparatus that include the above semiconductor device.
    Type: Application
    Filed: May 21, 2002
    Publication date: December 19, 2002
    Inventors: Junichi Karasawa, Kunio Watanabe
  • Publication number: 20020190322
    Abstract: A CMOS device formed with a Silicon On Insulator (SOI) technology with reduced Drain Induced Barrier Lowering (DIBL) characteristics and a method for producing the same. The method involves a high energy, high dose implant of boron and phosphorus through the p- and n-wells, into the insulator layer, thereby creating a borophosphosilicate glass (BPSG) structure within the insulation layer underlying the p- and n-wells of the SOI wafer. Backend high temperature processing steps induce diffusion of the boron and phosphorus contained in the BPSG into the p- and n-wells, thereby forming a retrograde dopant profile in the wells. The retrograde dopant profile reduces DIBL and also provides recombination centers adjacent the insulator layer and the active layer to thereby reduce floating body effects for the CMOS device.
    Type: Application
    Filed: August 1, 2002
    Publication date: December 19, 2002
    Inventor: Chandra V. Mouli
  • Publication number: 20020179940
    Abstract: The gate tunnel leakage current is increased in the up-to-date process, so that it is necessary to reduce the gate tunnel leakage current in the LSI which is driven by a battery for use in a cellular phone and which needs to be in a standby mode at a low leakage current. In a semiconductor integrated circuit device, the ground source electrode lines of logic and memory circuits are kept at a ground potential in an active mode, and are kept at a voltage higher than the ground potential in an unselected standby mode. The gate tunnel leakage current can be reduced without destroying data.
    Type: Application
    Filed: June 3, 2002
    Publication date: December 5, 2002
    Inventors: Kenichi Osada, Koichiro Ishibashi, Yoshikazu Saitoh, Akio Nishida, Masaru Nakamichi, Naoki Kitai
  • Publication number: 20020179907
    Abstract: A solid imaging device including: a semiconductor substrate of a first conductivity type; a layer of a second conductivity type formed on a surface of the semiconductor substrate, the layer at least including a photosensitive portion of the second conductivity type; and a MOS transistor of the second conductivity type coupled to the photosensitive portion, wherein the solid imaging device further includes a layer of the first conductivity type in at least a channel region of the MOS transistor of the second conductivity type, the layer of the first conductivity type having an impurity concentration which is higher than an impurity concentration of the semiconductor substrate, and wherein at least a portion of a boundary of the layer of the second conductivity type is in direct contact with the semiconductor substrate.
    Type: Application
    Filed: July 17, 2002
    Publication date: December 5, 2002
    Inventor: Takashi Watanabe
  • Publication number: 20020171095
    Abstract: An improved cell layout for a C3MOS circuit with inductive broadbanding positions the inductor at a distance from the active region to improve isolation and aligns the edges of the resistor, inductor, and transistor regions near the common edge of adjacent cells to decrease the length of the cell-to-cell interconnect lines.
    Type: Application
    Filed: May 17, 2001
    Publication date: November 21, 2002
    Inventors: Afshin Momtaz, Michael Green
  • Patent number: 6483131
    Abstract: The present invention provides an array of customizable functional cells having high density and high drive capacity. It further provides an architecture that maximizes the width of P-channel transistors in an array of standard cells to compensate for the lower speed operation of P-type devices. More particularly, the invention discloses a digital circuit comprising a plurality of inputs for receiving respective logic signal and circuitry, coupled to the inputs, for passing one of the signals responsive to the order in which a transition is received on each of the inputs.
    Type: Grant
    Filed: December 14, 2000
    Date of Patent: November 19, 2002
    Assignee: Texas Instruments Incorporated
    Inventor: U-Ming Ko
  • Patent number: 6472696
    Abstract: The memory cell configuration has a large number of memory cells provided in a semiconductor substrate and having bit-line trenches which extend in parallel in the longitudinal direction in the main face of the semiconductor substrate, at the bottoms of which in each case a first conductive region is provided, at the peaks of which in each case a second conductive region of the same conduction type as the first conductive region is provided, and in the walls of which in each case an intermediately located channel region is 0 provided; and having word lines which extend in the transverse direction along the main face of the semiconductor substrate, through specific bit-line trenches, to activate transistors provided there. An additional dopant is introduced into the trench walls of the bit-line trenches which are located between the word lines, in order to increase the corresponding transistor turn-on voltage there to suppress leakage currents.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: October 29, 2002
    Assignee: Infineon Technologies AG
    Inventors: Ulrich Zimmermann, Thomas Böhm, Manfred Hain, Armin Kohlhase, Yoichi Otani, Andreas Rusch, Alexander Trüby
  • Publication number: 20020140036
    Abstract: A method of fabricating a dual metal gate CMOS includes forming a gate oxide in a gate region and depositing a place-holder gate in each of a n-well and p-well; removing the place-holder gate and gate oxide; depositing a high-k dielectric in the gate region; depositing a first metal in the gate region of the p-well; depositing a second metal in the gate region of each of the n-well and p-well; and insulating and metallizing the structure. A dual metal gate CMOS of the invention includes PMOS transistor and a NMOS transistor. In the NMOS, a gate includes a high-k cup, a first metal cup formed in the high-k cup, and a second metal gate formed in the first metal cup. In the PMOS, a gate includes a high-k cup and a second metal gate formed in the high-k cup.
    Type: Application
    Filed: March 27, 2001
    Publication date: October 3, 2002
    Inventors: Yanjun Ma, Yoshi Ono, David R. Evans, Sheng Teng Hsu
  • Publication number: 20020134997
    Abstract: The memory cells are arranged to all intersections of the first word line and one line of the bit-line pair and all intersections of the second word line and the other line of the bit-line pair by arranging in parallel the first word line and the second word line consisting of different layers in the row direction with the identical pitch and also alternately arranging the first word line and the second word line at an interval equal to a half of the pitch in the horizontal direction. Moreover, the selection MISFET of the memory cell is formed in the vertical construction and the bit line located at the upper side of the substrate where a channel region is formed is shielded with a conductive film, a part of which forms the gate electrode.
    Type: Application
    Filed: March 7, 2002
    Publication date: September 26, 2002
    Inventors: Yutaka Ito, Hidetoshi Iwai
  • Patent number: 6445017
    Abstract: A full CMOS SRAM cell is provided. The SRAM cell includes first and second active regions formed on a semiconductor substrate, arranged parallel to each other. A third active region is formed on the semiconductor substrate between the first active region and the second active region parallel to the first active region, and a fourth active region is formed on the semiconductor substrate between the third active region and the second active region parallel to the second active region. A word line intersects the first and second active regions. A first common conductive electrode intersects the first active region and the third active region, and a second common conductive electrode intersects the second active region and the fourth active region.
    Type: Grant
    Filed: December 1, 2000
    Date of Patent: September 3, 2002
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jun-eui Song
  • Publication number: 20020117688
    Abstract: In a conventional LSI, since a minimum chip size is inevitably determined by the number and size of input/output pads formed on a chip, an no-patterned region occurs in an active region surrounded by an I/O region in a highly integrated circuit or a circuit with a small number of gates. The present invention intends to solve this problem to improve a semiconductor device. In a semiconductor device comprising on the same chip at least an I/O region where an input/output pad is formed and active regions where a circuit can be mounted, a plurality of logic circuits having the same functions or different functions are mounted in the active regions on the same chip.
    Type: Application
    Filed: February 11, 2002
    Publication date: August 29, 2002
    Inventor: Kazutoshi Shimizume
  • Publication number: 20020113270
    Abstract: A differential circuit to be used as a latch-up for asymmetric-double-gate complementary metal oxide semiconductor (DGCMOS) devices is provided. Specifically, the differential circuit comprises an asymmetric-DGCMOS device having the weak gates tied to input circuitry and strong gates that are used in cross-coupling.
    Type: Application
    Filed: February 20, 2001
    Publication date: August 22, 2002
    Inventors: Kerry Bernstein, Edward Jospeh Nowak
  • Patent number: 6437377
    Abstract: A notched gate MOS device includes either an encapsulated low dielectric material or encapsulated air or a vacuum at the bottom of a notched gate. Due to the low dielectric constant at the site of interface between the gate and the source/drain, the capacitance loss at that site is significantly reduced.
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: August 20, 2002
    Assignee: International Business Machines Corporation
    Inventors: Atul C. Ajmera, Ka Hing (Samuel) Fung, Victor Ku, Dominic J. Schepis
  • Publication number: 20020105050
    Abstract: A semiconductor nonvolatile memory device improving reproducibility and reliability of insulation breakage of a silicon oxide film and capable of reducing the manufacturing cost and a method for production of the same, wherein each of the memory cells arranged in a matrix form has an insulating film breakage type fuse comprising an impurity region of a first conductivity type formed on a semiconductor substrate, a first insulating film formed on the semiconductor substrate while covering the impurity region, an opening formed in the first insulating film so as to reach the impurity region, and a first semiconductor layer of a first conductivity type, a second insulating film, and a second semiconductor layer of a second conductivity type successively stacked in the opening from the impurity region side, or has an insulating film breakage type fuse comprising an impurity region of a first conductivity type in the first semiconductor layer having an SOI structure, a first insulating film on the SOI layer, an op
    Type: Application
    Filed: June 26, 2001
    Publication date: August 8, 2002
    Inventors: Yoshiaki Hagiwara, Hideaki Kuroda, Michitaka Kubota, Akira Nakagawara
  • Publication number: 20020096705
    Abstract: A NAND type flash memory device has a dummy region forming a dummy pattern. In the flash memory device, a common source line is formed to cross only with an isolation layer adjacent an active region of a normal pattern forming memory cells.
    Type: Application
    Filed: November 26, 2001
    Publication date: July 25, 2002
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Eun-Young Choi, Jung-Dal Choi, Jae-Duk Lee, Hong-Soo Kim
  • Publication number: 20020096695
    Abstract: A notched gate MOS device includes either an encapsulated low dielectric material or encapsulated air or a vacuum at the bottom of a notched gate. Due to the low dielectric constant at the site of interface between the gate and the source/drain, the capacitance loss at that site is significantly reduced.
    Type: Application
    Filed: January 24, 2001
    Publication date: July 25, 2002
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Atul C. Ajmera, Ka Hing (Samuel) Fung, Victor Ku, Dominic J. Schepis
  • Publication number: 20020093034
    Abstract: In an image sensing array, the structure of the image sensor pixel is based on a vertical punch through transistor with a junction gate surrounding its source and connected to it, the junction gate being further surrounded by an MOS gate. The new pixel has a large conversion gain, high dynamic range, blooming protection, and low dark current. It senses charge nondestructively with a complete charge removal, which avoids generation of kTC noise. The pixel fabrication is compatible with CMOS processing that includes two metal layers. The array also includes the pixel reset through column sense lines, polysilicon field plate in the image-sensing area for improved pixel isolation, denser pixel packing, and either n-channel or p-channel addressing transistor.
    Type: Application
    Filed: January 28, 2002
    Publication date: July 18, 2002
    Inventor: Jaroslav Hynecek
  • Patent number: 6417529
    Abstract: A function cell capable of shortening the term necessary for circuit designing, a semiconductor device including the function cell, and a semiconductor circuit designing method using the function cell are obtained. The semiconductor device includes first and second function cells that realize the same logic circuit function and have different electrical characteristics from each other. The first function cell includes a first externally connected interconnection. The second function cell includes a second externally connected interconnection. The external shape of the first function cell is almost the same as the external shape of the second function cell. The position of the first externally connected interconnection on the first function cell plane is almost the same as the position of the plane.
    Type: Grant
    Filed: April 29, 1999
    Date of Patent: July 9, 2002
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Genichi Tanaka
  • Patent number: 6414357
    Abstract: Disclosed is a method for making a semiconductor integrated circuit device used to form a p-channel MOS field-effect transistor and a n-channel MOS field-effect transistor on a common SOI substrate with a structure that a first silicon layer, insulating film and a second silicon layer are layered; wherein the steps from sectioning a SOI layer as the second silicon layer by insulation separation into a plurality of active regions to forming at least one gate electrode to be laid through gate insulating film on the surface of each of the plurality of active regions are conducted with no relation to the conductivity type of MOS field-effect transistor.
    Type: Grant
    Filed: September 6, 2000
    Date of Patent: July 2, 2002
    Assignee: NEC Corporation
    Inventor: Kouichi Kumagai
  • Publication number: 20020079515
    Abstract: A semiconductor memory device may be formed from a pair of transfer MOS transistors 1, 2 controlled by a word line 11 and a pair of data retaining flip-flop circuit formed from serially connected load elements 5, 6 and drive MOS transistors 3, 4. In the semiconductor memory device, the transfer MOS transistors 1, 2 have a threshold voltage greater than a threshold voltage of the drive MOS transistors 3, 4. The memory device may display an improved &bgr; ratio, and reduce the size of the drive MOS transistors to thereby reduce the cell area.
    Type: Application
    Filed: November 29, 2001
    Publication date: June 27, 2002
    Inventor: Kazunobu Kuwazawa
  • Publication number: 20020070379
    Abstract: The invention relates to a phase-change memory device. The device includes a lower electrode disposed in a recess of a first dielectric. The lower electrode comprises a first side and a second side. The first side communicates to a volume of phase-change memory material. The second side has a length that is less than the first side. Additionally, a second dielectric may overlie the lower electrode. The second dielectric has a shape that is substantially similar to the lower electrode.
    Type: Application
    Filed: December 13, 2000
    Publication date: June 13, 2002
    Inventor: Charles Dennison
  • Publication number: 20020070391
    Abstract: Briefly, in accordance with one embodiment of the invention, an integrated circuit includes: a gate array architecture. The gate array architecture includes a semiconductor substrate having a plurality of N-type diffusion regions and P-type diffusion regions. The diffusion regions have partially overlying polysilicon landing sites to form N-type and P-type transistors. The regions are relatively sized to form two distinct transistor sizes, smaller N- and P-type transistors and larger N- and P-type transistors.
    Type: Application
    Filed: July 10, 2001
    Publication date: June 13, 2002
    Inventor: Brian D. Possley
  • Patent number: 6404013
    Abstract: An array-type layout for a silicon on insulator (SOI) transistor. A body contact region of the first conductive type is provided. A polysilicon gate structure is arranged in array over the body contact region. The polysilicon gate structure divides the body contact region into an array of alternating source regions of a second conductive type and drain regions of a second conductive type.
    Type: Grant
    Filed: July 18, 2000
    Date of Patent: June 11, 2002
    Assignee: United Microelectronics Corp.
    Inventors: Shiao-Shien Chen, Tien-Hao Tang
  • Patent number: 6403992
    Abstract: A complementary metal-oxide semiconductor (CMOS) device, employing circuit conversion to achieve coexistent multiple voltage levels without body effect. The CMOS device, formed by a typical twin-well process, has a high voltage CMOS, a low voltage CMOS and a circuit converter. The circuit converter raises the operation voltage of the low voltage PMOS in the low voltage CMOS (in the N-type substrate) up to that of the high voltage PMOS in the high voltage CMOS. Alternatively, the circuit converter reduces the operation voltage of the low voltage NMOS in the low voltage CMOS to that of the high voltage NMOS in the high voltage CMOS. Thus, the body effect does not occur to the CMOS device.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: June 11, 2002
    Assignee: Integrated Technology Express Inc.
    Inventor: Cheng-Ta Wei
  • Publication number: 20020063268
    Abstract: A read only memory (ROM) device includes a semiconductor substrate having a first type of conductivity, and a plurality of memory cells on the semiconductor substrate. Each memory cell includes first and second regions of a second conductivity type opposite the first conductivity type. A first dielectric layer is on the plurality of memory cells, and a plurality of first contacts extend through the first dielectric layer for contacting the first regions. A second dielectric layer is on the first dielectric layer and the plurality of first contacts. A plurality of second contacts extend through the second dielectric layer and overlie the corresponding second regions.
    Type: Application
    Filed: October 26, 2001
    Publication date: May 30, 2002
    Applicant: STMicroelectronics S.r.I.
    Inventors: Bruno Vajana, Matteo Patelmo
  • Publication number: 20020063267
    Abstract: A semiconductor device having an SRAM section in which a p-well, a first n-well, and a second n-well are formed in a semiconductor substrate. Two n-type access transistors and two n-type driver transistors are formed in the p-well. Two p-type load transistors are formed in the first n-well. The second n-well is located under the p-well and the first n-well and also is connected to the first n-well. The potential of the first n-well is supplied from the second n-well. According to the present invention, the SRAM section can be reduced in size.
    Type: Application
    Filed: August 31, 2001
    Publication date: May 30, 2002
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takashi Kumagai, Masahiro Takeuchi, Satoru Kodaira, Takafumi Noda