Characterized By Data Lines (epo) Patents (Class 257/E21.656)
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Integrated assemblies having wordline-driver-circuitry directly under vertically-extending wordlines
Patent number: 12178038Abstract: Some embodiments include an integrated assembly having a CMOS-containing base containing wordline-driver-circuitry. The wordline-driver-circuitry is subdivided amongst horizontally-extending sub-wordline-driver (SWD) units. Memory cells are over the base, and are arranged in vertically-extending rows. Each of the memory cells includes an access device and a storage element coupled with the access device. Wordlines extend vertically along the rows. Each of the SWD units is associated with at least two of the wordlines and is configured to simultaneously activate the associated wordlines.Type: GrantFiled: January 5, 2021Date of Patent: December 24, 2024Assignee: Micron Technology, Inc.Inventors: Yuan He, Fatma Arzum Simsek-Ege -
Patent number: 12014769Abstract: A volatile memory device may include; a first sense amplifier, a second sense amplifier spaced apart from the first sense amplifier in a first direction, a first mat disposed between the first sense amplifier and the second sense amplifier and including a first bit line connected to the first sense amplifier and a second bit line connected to the second sense amplifier, a third sense amplifier spaced apart from the second sense amplifier in a second direction, a fourth sense amplifier spaced apart from the third sense amplifier in the first direction, and a second mat disposed between the third sense amplifier and the fourth sense amplifier and including a first complementary bit line connected to the first sense amplifier.Type: GrantFiled: July 28, 2022Date of Patent: June 18, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Jae Pil Lee, Hi Jung Kim, Kwang Sook Noh
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Patent number: 11855593Abstract: A method for isolating transmission lines of a radio frequency power amplifier and a transmission structure of the radio frequency power amplifier are provided. The method includes steps of setting a distance between adjacent two of transmission lines on a chip substrate to be greater than 2.5 times a width of each of the transmission lines, and disposing shielding lines at an inner side of each of the transmission lines and an outer side of each of the transmission lines opposite to the inner side; wrapping a permalloy layer on an outer wall of each of the transmission lines; and wrapping an aluminum layer on an outer wall of the permalloy layer, defining a plurality of grooves on an outer wall of the aluminum layer at intervals, where the plurality of the grooves are recessed inward and in an inverted triangular structure.Type: GrantFiled: April 10, 2023Date of Patent: December 26, 2023Assignee: LANSUS TECHNOLOGIES INC.Inventors: Huan Huang, Jiashuai Guo
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Patent number: 11631692Abstract: A semiconductor memory device includes a peripheral logic structure including peripheral circuits on a substrate, a horizontal semiconductor layer extending along a top surface of the peripheral logic structure, a plurality of stack structures arranged on the horizontal semiconductor layer along a first direction, and a plurality of electrode separation regions in each of the plurality of stack structures to extend in a second direction, which is different from the first direction, wherein each of the plurality of stack structures includes a first electrode pad and a second electrode pad on the first electrode pad, the first electrode pad protruding in the first direction beyond the second electrode pad by a first width, and the first electrode pad protrudes in the second direction beyond the second electrode pad by a second width, which is different from the first width.Type: GrantFiled: July 22, 2020Date of Patent: April 18, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hae Min Lee, Shin Hwan Kang, Jee Hoon Han
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Patent number: 10971217Abstract: Some embodiments relate to an SRAM cell layout including upper and lower cell edges and left and right cell edges. A first power rail extends generally in parallel with and lies along the left cell edge or the right cell edge. The first power rail is coupled to a first power supply. A second power rail extends generally in parallel with the first power rail and is arranged equidistantly between the left and right cell edges. A first bitline extends in parallel with the first power rail and the second power rail and is arranged to a first side of the second power rail. A second bitline, which is complementary to the first bitline, extends in parallel with the first power rail and the second power rail and is arranged to a second side of the second power rail.Type: GrantFiled: August 12, 2020Date of Patent: April 6, 2021Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Hidehiro Fujiwara, Hung-Jen Liao, Hsien-Yu Pan, Yen-Huei Chen, Mahmut Sinangil
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Patent number: 10490557Abstract: A semiconductor structure having a contact plug includes a substrate. A memory cell region and a peripheral circuit region are defined on the substrate. At least one memory cell is disposed on the substrate within the memory cell region. The memory cell includes a transistor and a capacitor structure. A first planar stacked dielectric layer covers the peripheral circuit region. The first planar stacked dielectric layer includes two first dielectric layers and a second dielectric layer. The first dielectric layer at the bottom of the first planar stacked dielectric layer extends to the memory cell region and covers the capacitor structure. A contact plug is disposed at the peripheral circuit region and penetrates the first planar stacked dielectric layer.Type: GrantFiled: March 7, 2018Date of Patent: November 26, 2019Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Li-Wei Feng, Ying-Chiao Wang, Chien-Ting Ho, Kai-Ping Chen
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Patent number: 10276231Abstract: Some embodiments relate to an SRAM cell layout including upper and lower cell edges and left and right cell edges. A first power rail extends generally in parallel with and lies along the left cell edge or the right cell edge. The first power rail is coupled to a first power supply. A second power rail extends generally in parallel with the first power rail and is arranged equidistantly between the left and right cell edges. A first bitline extends in parallel with the first power rail and the second power rail and is arranged to a first side of the second power rail. A second bitline, which is complementary to the first bitline, extends in parallel with the first power rail and the second power rail and is arranged to a second side of the second power rail.Type: GrantFiled: February 5, 2018Date of Patent: April 30, 2019Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Hidehiro Fujiwara, Hung-Jen Liao, Hsien-Yu Pan, Yen-Huei Chen, Mahmut Sinangil
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Patent number: 9886996Abstract: In some embodiments, the present disclosure relates to a static random access memory (SRAM) device. The SRAM device includes a plurality of SRAM cells arranged in a plurality of rows and a plurality of columns, wherein respective SRAM cells include respective pairs of complementary data storage nodes to store respective data states. A first pair of access transistors is coupled to the complementary data storage nodes of an SRAM cell and is configured to selectively couple the complementary data storage nodes to a first pair of complementary bitlines, respectively. A second pair of access transistors is coupled to the complementary data storage nodes of the SRAM cell and is configured to selectively couple the complementary data storage nodes to a second pair of complementary bitlines, respectively.Type: GrantFiled: July 28, 2016Date of Patent: February 6, 2018Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Hidehiro Fujiwara, Hung-Jen Liao, Hsien-Yu Pan, Yen-Huei Chen, Mahmut Sinangil
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Patent number: 9444071Abstract: [Problem] Provided is an organic EL panel in which on a support supporting at least one organic EL element, a connecting wire for supply of power to the organic EL is disposed, and which is capable of preventing damage of the support by heat and impact caused by melting disconnection of a fuse part that is provided in the connecting wire. [Solution Means] A buffer layer is disposed between a face supporting the connecting wire on the support and the fuse part.Type: GrantFiled: June 28, 2012Date of Patent: September 13, 2016Assignee: PIONEER CORPORATIONInventors: Ayako Yoshida, Shinichi Ishizuka, Takuo Shinohara
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Patent number: 9424889Abstract: A multiple-port memory cell includes first conductive lines in a first metal layer, second conductive lines in a second metal layer, third conductive lines a third metal layer, and fourth conductive lines in a fourth metal layer. The first conductive lines include a write bit line electrically coupled with a write bit line node; a first read bit line electrically coupled with a first read bit line node; and a second read bit line electrically coupled with a second read bit line node. The second conductive lines include a write word line electrically coupled with a write word line node. The fourth conductive lines include a first read word line electrically coupled with a first read word line node; and a second read word line electrically coupled with a second read word line node.Type: GrantFiled: February 4, 2015Date of Patent: August 23, 2016Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventor: Jhon Jhy Liaw
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Patent number: 9196326Abstract: A semiconductor memory apparatus may include a program voltage generation block configured to generate a program voltage in response to program codes; a precharge voltage generation block configured to generate a precharge voltage in response to the program codes and addresses; and a main bit line configured to be applied with the program voltage and the precharge voltage.Type: GrantFiled: April 10, 2014Date of Patent: November 24, 2015Assignee: SK Hynix Inc.Inventors: Jung Hyuk Yoon, Jung Mi Tak
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Patent number: 9190140Abstract: A semiconductor device includes a section signal generator and a decoder. The section signal generator generates a section signal by retarding a pre-section signal including a pulse created during a read operation or a write operation by a delay time that is set according to a level combination of first and second test mode signals. The decoder decodes address signals in response to a pulse of the section signal to generate column selection signals, one of which is selectively enabled, to store an external data in a memory cell of an internal circuit or to output a data stored in a memory cell of an internal circuit.Type: GrantFiled: February 6, 2014Date of Patent: November 17, 2015Assignee: SK Hynix Inc.Inventor: Tae Jin Kang
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Patent number: 8957467Abstract: A semiconductor device includes: a transistor including source and drain diffusion-layers, a gate insulating film and a gate electrode; first and second plugs formed in a first interlayer-insulating film and connected to the source and drain diffusion-layers, respectively; a third plug extending through a second interlayer-insulating film and connected to the first plug; a first interconnection-wire formed on the second interlayer-insulating film and connected to the third plug; a second interconnection-wire formed on a third interlayer-insulating film and intersecting the first interconnection-wire; a fourth interlayer-insulating film; a hole extending through the fourth, third and second interlayer-insulating films, the hole being formed such that a side surface of the second interconnection-wire is exposed; and a fourth plug filling the hole via an intervening dielectric film and connected to the second plug, wherein a capacitor is formed using the fourth plug, the second interconnection-wire and the dieleType: GrantFiled: August 3, 2011Date of Patent: February 17, 2015Assignee: PS4 Luxco S.A.R.L.Inventor: Hiroyuki Uchiyama
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Patent number: 8754394Abstract: A variable resistive memory device includes a bit line, a word line, first electrodes and second electrodes, which are respectively arrayed in different directions, wherein a unit cell including a variable resistive material layer interposed between the first electrode and the second electrode is located at every intersection between the first electrode and the second electrode.Type: GrantFiled: August 27, 2012Date of Patent: June 17, 2014Assignee: SK Hynix Inc.Inventors: Jae-Yun Yi, Seok-Pyo Song
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Patent number: 8698233Abstract: A method for fabricating a semiconductor memory apparatus is provided to minimize failure of the semiconductor memory apparatus and to secure a processing margin. The method also provides for minimizing the deterioration of an operating speed and the operational stability, and minimizing the increase of resistance occurring as a result of a reduced processing margin when forming a gate pattern in a peripheral region of the semiconductor memory apparatus. The method includes forming a connection pad in a peripheral region while forming a buried word line in a cell region, and forming a gate pattern in the peripheral region while forming a bit line in the cell region.Type: GrantFiled: December 5, 2012Date of Patent: April 15, 2014Assignee: SK Hynix Inc.Inventors: Hyoung Soon Yune, Joo Hong Jeong
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Patent number: 8618607Abstract: One illustrative device disclosed herein includes a continuous active region defined in a semiconducting substrate, first and second transistors formed in and above the continuous active region, each of the first and second transistors comprising a plurality of doped regions formed in the continuous active region, a conductive isolating electrode positioned above the continuous active region between the first and second transistors and a power rail conductively coupled to the conductive isolating electrode.Type: GrantFiled: July 2, 2012Date of Patent: December 31, 2013Assignee: GLOBALFOUNDRIES Inc.Inventors: Mahbub Rashed, David Doman, Marc Tarabbia, Irene Lin, Jeff Kim, Chinh Nguyen, Steve Soss, Scott Johnson, Subramani Kengeri, Suresh Venkatesan
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Patent number: 8603876Abstract: A dynamic random access memory cell is disclosed that comprises a capacitive storage device and a write access transistor. The write access transistor is operatively coupled to the capacitive storage device and has a gate stack that comprises a high-K dielectric, wherein the high-K dielectric has a dielectric constant greater than a dielectric constant of silicon dioxide. Also disclosed are a memory array using the cells, a computing apparatus using the memory array, a method of storing data, and a method of manufacturing.Type: GrantFiled: August 18, 2009Date of Patent: December 10, 2013Assignee: International Business Machines CorporationInventors: Win K. Luk, Jin Cai
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Patent number: 8450746Abstract: A pixel array substrate including a substrate and a plurality of pixel structures is provided. Each pixel structure includes a patterned metal layer, an insulating layer, a patterned semiconductor layer and a data line layer. The patterned metal layer includes a gate line and a common electrode line. The patterned semiconductor layer includes a channel layer and a photosensitive resistance layer. The channel layer is disposed above and overlaps a part of the gate line. The data line layer includes a patterned first data line, a second data line and a third data line. The first and the second data lines are coupled to the channel layer and combine with the channel layer and the gate line to compose an active component. The second and the third data lines are coupled to the photosensitive resistance layer and combine with the photosensitive resistance layer to compose a light detecting component.Type: GrantFiled: July 3, 2012Date of Patent: May 28, 2013Assignees: Innocom Technology ( Shenzhen) Co. Ltd., Chimei Innolux CorporationInventor: Yu-Heing Chen
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Patent number: 8338253Abstract: A method for fabricating a semiconductor memory apparatus is provided to minimize failure of the semiconductor memory apparatus and to secure a processing margin. The method also provides for minimizing the deterioration of an operating speed and the operational stability, and minimizing the increase of resistance occurring as a result of a reduced processing margin when forming a gate pattern in a peripheral region of the semiconductor memory apparatus. The method includes forming a connection pad in a peripheral region while forming a buried word line in a cell region, and forming a gate pattern in the peripheral region while forming a bit line in the cell region.Type: GrantFiled: December 28, 2009Date of Patent: December 25, 2012Assignee: Hynix Semiconductor Inc.Inventors: Hyoung Soon Yune, Joo Hong Jeong
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Patent number: 8198127Abstract: A memory cell array including a data line; a capacitor; and a transistor coupled between the data line and the capacitor. At least one of the capacitor and the transistor includes a material with a mutable electrical characteristic. A memory cell array including a first transistor coupled between a first node, a second node, and a third node; and a second transistor coupled between the second node and a fourth node. The first transistor includes a material with a mutable electrical characteristic.Type: GrantFiled: November 19, 2009Date of Patent: June 12, 2012Assignee: Palo Alto Research Center IncorporatedInventors: William S. Wong, Sanjiv Sambandan, Tse Nga Ng, Robert A. Street
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Patent number: 8114737Abstract: Methods of fabricating memory are disclosed. For example, a method includes fabricating rows of memory cells on pillars separated by isolation regions therebetween. Each pillar has a pair of memory cells, each on an opposite side thereof. The method also includes fabricating control gates substantially between the rows of memory cells, each control gate to control half the cells of each of its adjacent rows of memory cells, and fabricating word lines for the array, the word lines extending substantially parallel to the control gates for the cells.Type: GrantFiled: October 15, 2009Date of Patent: February 14, 2012Assignee: Micron Technology, Inc.Inventors: Roger W. Lindsay, Lyle Jones
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Patent number: 8044438Abstract: Disclosed are a liquid crystal display and a substrate for the same. The substrate comprises first wires formed in one direction on the substrate; second wires intersecting and insulated from the first wires; pixel electrodes formed in pixel regions defined by the first wires and the second wires; and switching elements connected to the first wires, the second wires and the pixel electrodes, wherein an interval between two adjacent second wires has a predetermined dimension that repeatedly varies from one set of adjacent second wires to the next, and a side of the pixel electrodes adjacent to the second wires is shaped in a pattern identical to the second wires such that the pixel electrodes have a wide portion and a narrow portion.Type: GrantFiled: May 25, 2010Date of Patent: October 25, 2011Assignee: Samsung Electronics Co., Ltd.Inventor: Jang-Kun Song
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Patent number: 8021974Abstract: An improved semiconductor structure consists of interconnects in an upper interconnect level connected to interconnects in a lower interconnect level through use of a conductive protrusion located at the bottom of a via opening in an upper interconnect level, the conductive protrusion extends upward from bottom of the via opening and into the via opening. The improved interconnect structure with the conductive protrusion between the upper and lower interconnects enhances overall interconnect reliability.Type: GrantFiled: January 9, 2009Date of Patent: September 20, 2011Assignee: Internatioanl Business Machines CorporationInventors: Chih-Chao Yang, David Vaclav Horak, Takeshi Nogami, Shom Ponoth
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Patent number: 7932168Abstract: A method of a fabricating a bitline in a semiconductor device, comprising: forming an interlayer insulation layer that defines a bitline contact hole on a semiconductor substrate; forming a contact layer to fill the bitline contact hole; forming a bitline contact by planarizing the contact layer; forming a bitline stack aligned with the bitline contact; forming a high aspect ratio process (HARP) layer that extends along the bitline stack and the interlayer insulation layer while covering a seam exposed in a side portion of the bitline stack by excessive planarization during formation of the bitline contact; and forming an interlayer gap-filling insulation layer on the HARP layer that gap-fills the entire bitline stack.Type: GrantFiled: December 16, 2009Date of Patent: April 26, 2011Assignee: Hynix Semiconductor Inc.Inventor: Byung Soo Eun
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Patent number: 7928504Abstract: A semiconductor memory device and a method for manufacturing the same are disclosed, which reduce parasitic capacitance generated between a storage node contact and a bit line of a high-integration semiconductor device. A method for manufacturing a semiconductor memory device includes forming a buried word line in an active region of a cell region, forming an insulation layer in the cell region and a lower electrode layer of a gate in a peripheral region so that a height of the insulation layer is substantially equal to that of the lower electrode layer, and providing a first conductive layer over the cell region and the peripheral region to form a bit line layer and an upper electrode layer.Type: GrantFiled: June 29, 2009Date of Patent: April 19, 2011Assignee: Hynix Semiconductor Inc.Inventor: Woong Choi
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Patent number: 7915667Abstract: In an embodiment, an integrated circuit having a memory cell arrangement is provided. The memory cell arrangement may include a substrate, a fin structure disposed above the substrate, and a memory cell contacting region. The fin structure may include a memory cell region having a plurality of memory cell structures being disposed above one another, each memory cell structure having an active region of a respective memory cell. Furthermore, the memory cell contacting region may be configured to electrically contact each of the memory cell structures, wherein the memory cell contacting region may include a plurality of contact regions, which are at least partially displaced with respect to each other in a direction parallel to the main processing surface of the substrate.Type: GrantFiled: June 11, 2008Date of Patent: March 29, 2011Assignee: Qimonda AGInventors: Roman Knoefler, Michael Specht, Franz Hofmann, Florian Beug, Dirk Manger, Stephan Riedel
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Patent number: 7723727Abstract: Disclosed are a liquid crystal display and a substrate for the same. The substrate comprises first wires formed in one direction on the substrate; second wires intersecting and insulated from the first wires; pixel electrodes formed in pixel regions defined by the first wires and the second wires; and switching elements connected to the first wires, the second wires and the pixel electrodes, wherein an interval between two adjacent second wires has a predetermined dimension that repeatedly varies from one set of adjacent second wires to the next, and a side of the pixel electrodes adjacent to the second wires is shaped in a pattern identical to the second wires such that the pixel electrodes have a wide portion and a narrow portion.Type: GrantFiled: February 28, 2005Date of Patent: May 25, 2010Assignee: Samsung Electronics Co., Ltd.Inventor: Jang-Kun Song
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Patent number: 7645644Abstract: In one aspect, a semiconductor device is provided which includes a data block including M parallel and sequentially arranged data lines numbered {0, 1, 2, . . . n, n+1, . . . , m?1, m}, where M, n and m are positive integers, and where n<m, and M=m+1, and a first decoder region and a second decoder region respectively located on opposite sides of the data block. A first data line group among the M data lines extend to the first decoder region from the data block, and a second data line group among the M data lines extend to the second decoder region from the data block. The first data line group includes even numbered data lines among the data lines {0, 1, 2, . . . n}, and odd numbered data lines among the data lines {n+1, . . . m?1, m}, and the second data line group includes odd numbered data lines among the data lines {0, 1, 2, . . . n}, and even numbered data lines among the data lines {n+1, . . . m?1, m}.Type: GrantFiled: May 2, 2008Date of Patent: January 12, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-Sun Sel, Jung-Dal Choi
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Patent number: 7601630Abstract: A method of fabricating a semiconductor memory device and a structure that forms both a resistor and an etching protection layer to reduce a contact resistance. The method of fabricating a semiconductor memory device according to the invention includes forming an insulation layer on a semiconductor substrate having a cell array region, a core region, and a peripheral region, each having at least one transistor formed therein, and forming both a first landing pad in the core region on the insulation layer and a second landing pad in the peripheral region, the first landing pad being overlapped with a part of a first conductive line. The invention reduces the contact resistance and prevents or minimizes a device failure caused by a misalignment, with the simplified process.Type: GrantFiled: December 22, 2004Date of Patent: October 13, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Je-Min Park, Dong-Won Shin, Yoo-Sang Hwang
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Patent number: 7595262Abstract: A manufacturing method for an integrated semiconductor structure and a corresponding semiconductor structure is disclosed. The method includes forming a peripheral circuitry in a peripheral device region, wherein the peripheral circuitry includes a peripheral transistor at least partially formed in the semiconductor substrate and having a first gate dielectric formed in a first high temperature process step. The method further includes forming a plurality of memory cells in a memory cell region, each of said memory cells including an access transistor at least partially formed in a semiconductor substrate and having a second gate dielectric formed in a second high temperature process step and having a metallic gate conductor. The first and second high temperature process steps are performed before a step of forming the metallic gate conductor.Type: GrantFiled: October 27, 2006Date of Patent: September 29, 2009Assignee: Qimonda AGInventor: Till Schlösser
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Patent number: 7575992Abstract: A method of forming a micro pattern in a semiconductor device is disclosed. An oxide film mask is divided into a cell oxide film mask and a peri oxide film mask. Therefore, a connection between the cell and the peri region can be facilitated. A portion of a top surface of a first oxide film pattern between a region in which a word line will be formed and a region in which a select source line will be formed is removed. Accordingly, the space can be increased and program disturbance in the region in which the word line will be formed can be prevented. Furthermore, a pattern having a line of 50 nm and a space of 100 nm or a pattern having a line of 100 nm and a space of 50 nm, which exceeds the limitation of the ArF exposure equipment, can be formed using a pattern, which has a line of 100 nm and a space of 200 nm and therefore has a good process margin and a good critical dimension regularity.Type: GrantFiled: September 8, 2006Date of Patent: August 18, 2009Assignee: Hynix Semiconductor Inc.Inventors: Woo Yung Jung, Jong Hoon Kim
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Publication number: 20090170261Abstract: Provided is a method for manufacturing a semiconductor device having a 4F2 transistor. In the method, a gate stack is formed on a semiconductor substrate. A first interlayer dielectric including a contact hole which includes a first region and second regions Spacer layers are formed on both sides of the gate stack and a portion of the second region. Landing plugs are formed on the contact hole, a portion of the semiconductor substrate exposed by a thickness of the spacer layer, and a lateral side of the trench. A second interlayer dielectric is formed to separate the landing plug. The bit line contact plug is connected to a first portion of the landing plug that extends to the lateral side of the trench. The bit line stack is connected to the bit line contact plug. The storage node contact plug is connected to the first portion and a second portion of the landing plug located at a corresponding position in a diagonal direction.Type: ApplicationFiled: May 8, 2008Publication date: July 2, 2009Applicant: HYNIX SEMICONDUCTOR INC.Inventor: Jin Yul Lee
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Publication number: 20090026573Abstract: A nonvolatile semiconductor memory device and a method for manufacturing the same that may include forming an isolation pattern in a substrate, and then etching a portion of the isolation pattern to expose a portion of an active region of the substrate, and then forming high-density second-type ion implantation regions spaced apart at both edges of the active region by performing a tilted ion implantation process, and then forming a high-density first-type ion implantation region as a bit line in the active region, and then forming an insulating layer on the substrate including the high-density first-type ion implantation region, the high-density second-type ion implantation regions and the isolation pattern, and then forming a metal interconnection as a word line on the insulating layer pattern and extending in a direction perpendicular to bit line.Type: ApplicationFiled: July 2, 2008Publication date: January 29, 2009Inventor: Yong-Ho Oh
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Patent number: 7439102Abstract: A semiconductor fuse box includes a fuse structure and a protective structure disposed between the fuse structure and an integrated circuit structure. The protective structure has at least one irregular side surface. The protective structure (which may also include a pad formed there-under) extends beyond a bottom of the fuse structure. Such an irregular side surface and such an extension of the protective structure minimize propagation of damaging energy to the adjacent integrated circuit structure when a laser beam is directed to the fuse structure.Type: GrantFiled: November 10, 2006Date of Patent: October 21, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Min-Sung Kang, Kyung-Seok Oh, Joo-Sung Park, Jung-Hyun Shin