With Component Other Than Field-effect Type (epo) Patents (Class 257/E27.018)
E Subclasses
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Patent number: 8994075Abstract: A heterojunction bipolar transistor includes a base mesa, an emitter assembly formed over the base mesa, and a base contact. The emitter assembly includes multiple circular sectors. Each circular sector is spaced apart from one another such that a sector gap is formed between radial sides of adjacent circular sectors. The base contact, which is formed over the base mesa, has a central portion and multiple radial members. Each radial member extends outward from the central portion of the base contact along a corresponding sector gap. As such, each of the circular sectors of the emitter assembly is separated by a radial member of the base contact. The number of circular sectors may vary from one embodiment to another. For example, the emitter assembly may have three, four, six, or more circular sectors.Type: GrantFiled: October 11, 2013Date of Patent: March 31, 2015Assignee: RF Micro Devices, Inc.Inventors: Brian G. Moser, Robert Saxer, Jing Zhang
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Patent number: 8969959Abstract: There are provided a semiconductor device and a method of manufacturing the same. The semiconductor device includes a body layer of a first conductivity type; an active layer of a second conductivity type, contacting an upper portion of the body layer; and a field limiting ring of a first conductivity type, formed in an upper portion of the active layer.Type: GrantFiled: March 12, 2013Date of Patent: March 3, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Chang Su Jang
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Publication number: 20140110761Abstract: A semiconductor device having a tunable capacitance is disclosed, comprising a substrate, a semiconductor base layer comprising a first semiconductor material having a first band-gap, and a plurality of successive semiconductor layers positioned between the substrate and the semiconductor base layer. The plurality of successive semiconductor layers includes a tuning layer comprising a second semiconductor material having a second band-gap larger than the first band-gap. Furthermore, the tuning layer has a non-uniform doping profile with doping concentration that varies in accordance with distance from a surface of the tuning layer proximal to the semiconductor base layer. The tunable capacitance of the semiconductor device varies in accordance with an applied voltage between the base layer and one of the successive semiconductor layers.Type: ApplicationFiled: October 31, 2012Publication date: April 24, 2014Inventors: Yuefei Yang, Shing-Kuo Wang
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Publication number: 20140110820Abstract: Representative implementations of devices and techniques provide improved thermal performance of a chip die disposed within a layered printed circuit board (PCB). Passive components may be strategically located on one or more surfaces of the PCB. The passive components may be arranged to conduct heat generated by the chip die away from the chip die.Type: ApplicationFiled: October 18, 2012Publication date: April 24, 2014Applicant: INFINEON TECHNOLOGIES AUSTRIA AGInventors: Martin STANDING, Milko PAOLUCCI
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Publication number: 20130299939Abstract: Various embodiments disclosed include methods of performing a double exposure process on a level of an integrated circuit (IC) chip to form an IC chip having an embedded electrically measurable identifier. In some cases, the method includes: exposing a level of an integrated circuit (IC) chip using a first mask orientation; subsequently exposing the level of the IC chip using a second mask orientation distinct from the first mask orientation; and developing the level of the IC chip to form an electrically measurable identifier on the IC chip.Type: ApplicationFiled: May 11, 2012Publication date: November 14, 2013Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Yoba Amoah, John J. Ellis-Monaghan, Roger C. Kuo, Molly J. Leitch, Zhihong Zhang
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Patent number: 8546911Abstract: A small high frequency device that is able to inhibit generation of an eddy current and a parasitic capacity and shows superior high frequency characteristics is provided. The high frequency device includes: a substrate having a depression; a dielectric layer over the substrate; and a plurality of electronic devices which are provided in the dielectric layer or on the dielectric layer, and at least one of which is opposed to the depression.Type: GrantFiled: July 30, 2010Date of Patent: October 1, 2013Assignee: Sony CorporationInventors: Akira Akiba, Shun Mitarai, Koichi Ikeda
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Publication number: 20130113448Abstract: A coil inductor and buck voltage regulator incorporating the coil inductor are provided which can be fabricated on a microelectronic element such as a semiconductor chip, or on an interconnection element such as a semiconductor, glass or ceramic interposer element. When energized, the coil inductor has magnetic flux extending in a direction parallel to first and second opposed surfaces of the microelectronic or interconnection element, and whose peak magnetic flux is disposed between the first and second surfaces. In one example, the coil inductor can be formed by first conductive lines extending along the first surface of the microelectronic or interconnection element, second conductive lines extending along the second surface of the microelectronic or interconnection element, and a plurality of conductive vias, e.g., through silicon vias, extending in direction of a thickness of the microelectronic or interconnection element. A method of making the coil inductor is also provided.Type: ApplicationFiled: November 4, 2011Publication date: May 9, 2013Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: MICHAEL J. SHAPIRO, GARY D. CARPENTER, ALAN J. DRAKE, RACHEL GORDIN, EDMUND J. SPROGIS
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Publication number: 20130075861Abstract: One or more embodiments relate to a semiconductor structure, comprising: a conductive feature; an outer guard ring; and an inner guard ring between the outer guard ring and the conductive feature, the inner guard ring being electrically coupled to the conductive feature.Type: ApplicationFiled: September 25, 2012Publication date: March 28, 2013Applicant: INFINEON TECHNOLOGIES AGInventor: Infineon Technologies AG
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Publication number: 20130062731Abstract: A semiconductor device includes a substrate having a main surface and a rear surface, a transistor formed over a side of the main surface, an insulator layer formed over a side of the main surface, an inductor formed over the insulator layer and a side of the main surface, a tape overlapping the inductor and formed over a side of the main surface, and a bonding pad formed over the insulating layer and a side of the main surface. The tape is selectively formed over an area without the bonding pad.Type: ApplicationFiled: November 7, 2012Publication date: March 14, 2013Applicant: Renesas Electronics CorporationInventor: Renesas Electronics Corporation
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Publication number: 20130056792Abstract: An integrated circuit comprising electro-static discharge (ESD) protection circuitry arranged to provide ESD protection to an external terminal of the integrated circuit. The ESD protection circuitry comprises: a thyristor circuit comprising a first bipolar switching device operably coupled to the external terminal and a second bipolar switching device operably coupled to another external terminal, a collector of the first bipolar switching device being coupled to a base of the second bipolar switching device and a base of the first bipolar switching device being coupled to a collector of the second bipolar switching device. A third bipolar switching device is also provided and operably coupled to the thyristor circuit and has a threshold voltage for triggering the thyristor circuit, the threshold voltage being independently configurable of the thyristor circuit.Type: ApplicationFiled: May 18, 2010Publication date: March 7, 2013Applicant: Freescale Semiconductor, Inc.Inventors: Patrice Besse, Jean Philippe Laine
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Publication number: 20130037909Abstract: Galvanic isolation between a high-voltage die and a low-voltage die in a multi-die chip is provided by a galvanic isolation die that physically supports the high-voltage die and the low-voltage die, and provides capacitive structures with high breakdown voltages that allow the high-voltage die to capacitively communicate with the low-voltage die.Type: ApplicationFiled: August 9, 2011Publication date: February 14, 2013Inventors: William French, Peter J. Hopper, Ann Gabrys
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Patent number: 8354722Abstract: An electrostatic discharge (ESD) protection circuit, methods of fabricating an ESD protection circuit, methods of providing ESD protection, and design structures for an ESD protection circuit. An NFET may be formed in a p-well and a PFET may be formed in an n-well. A butted p-n junction formed between the p-well and n-well results in an NPNP structure that forms an SCR integrated with the NFET and PFET. The NFET, PFET and SCR are configured to collectively protect a pad, such as a power pad, from ESD events. During normal operation, the NFET, PFET, and SCR are biased by an RC-trigger circuit so that the ESD protection circuit is in a high impedance state. During an ESD event while the chip is unpowered, the RC-trigger circuit outputs trigger signals that cause the SCR, NFET, and PFET to enter into conductive states and cooperatively to shunt ESD currents away from the protected pad.Type: GrantFiled: May 31, 2011Date of Patent: January 15, 2013Assignee: International Business Machines CorporationInventors: John B. Campi, Jr., Shunhua Chang, Kiran V. Chatty, Robert J. Gauthier, Jr., Junjun Li, Rahul Mishra, Mujahid Muhammad
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Patent number: 8350356Abstract: An anti-fuse apparatus includes a substrate of a first conductivity type and a well region of a second conductivity type formed in the substrate. A junction between the well region and the substrate is characterized by a breakdown voltage higher than a predetermined voltage. The apparatus includes a contact region of the second conductivity type within the well region. The apparatus also includes a channel region and a drain region within the substrate. A gate dielectric layer overlies the channel region and the contact region. A first polysilicon gate, the drain region, and the well region are associated with an MOS transistor. The apparatus also includes a second polysilicon gate overlying the gate dielectric layer which overlies the contact region. The contact region is configured to receive a first supply voltage and the second polysilicon gate is configured to receive a second supply voltage.Type: GrantFiled: December 27, 2010Date of Patent: January 8, 2013Assignee: Semiconductor Manufacturing International (Shanghai) CorporationInventor: Daniel Xu
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Patent number: 8338915Abstract: A vertical TVS (VTVS) circuit includes a semiconductor substrate for supporting the VTVS device thereon having a heavily doped layer extending to the bottom of substrate. Deep trenches are provided for isolation between multi-channel VTVS. Trench gates are also provided for increasing the capacitance of VTVS with integrated EMI filter.Type: GrantFiled: August 18, 2010Date of Patent: December 25, 2012Assignee: Alpha and Omega Semiconductor IncorporatedInventors: Shekar Mallikararjunaswamy, Madhur Bobde
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Publication number: 20120319236Abstract: An inductor may be formed from a conductive path that includes intertwined conductive lines. There may be two, three, or more than three intertwined conductive lines in the conductive path. The conductive lines may be formed from conductive structures in the dielectric stack of an integrated circuit. The dielectric stack may include metal layers that include conductive traces and may include via layers that include vias for interconnecting the traces. The intertwined conductive lines may be formed from the conductive structures in the metal and via layers. In crossover regions, the conductive lines may cross each other without electrically connecting to each other. Vias may be used to couple multiple layers of traces together to reduce line resistance.Type: ApplicationFiled: June 16, 2011Publication date: December 20, 2012Inventors: Shuxian Chen, Jeffrey T. Watt
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Publication number: 20120175732Abstract: A semiconductor device includes an IPD structure, a first semiconductor die mounted to the IPD structure with a flipchip interconnect, and a plurality of first conductive posts that are disposed adjacent to the first semiconductor die. The semiconductor device further includes a first molding compound that is disposed over the first conductive posts and first semiconductor die, a core structure bonded to the first conductive posts over the first semiconductor die, and a plurality of conductive TSVs disposed in the core structure. The semiconductor device further includes a plurality of second conductive posts that are disposed over the core structure, a second semiconductor die mounted over the core structure, and a second molding compound disposed over the second conductive posts and the second semiconductor die. The second semiconductor die is electrically connected to the core structure.Type: ApplicationFiled: March 19, 2012Publication date: July 12, 2012Applicant: STATS ChipPAC, Ltd.Inventors: Yaojian Lin, Jianmin Fang, Kang Chen, Haijing Cao
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Publication number: 20120153745Abstract: An embodiment in a single structure combines a pad comprising a connection terminal suitable for coupling the circuit elements integrated in a chip to circuits outside the chip itself and at least one inductor that can be used to receive/transmit electromagnetic waves or to supply the chip with power or both. By combining a connection pad and an inductor in a single structure, it is possible to reduce the overall area that otherwise would be occupied exclusively by the inductors, thus reducing the cost and size of integrated circuits that include such a structure.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Applicant: STMICROELECTRONICS S.R.L.Inventor: Alberto PAGANI
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Publication number: 20120153448Abstract: A semiconductor device includes: a substrate; a semiconductor element installed on the substrate so that a surface formed with an electrode is directed to the substrate; a chip capacitor installed on the substrate; and a conductive material covering a rear surface opposite to the surface of the semiconductor element and joining to one terminal electrode of the chip capacitor.Type: ApplicationFiled: September 23, 2011Publication date: June 21, 2012Applicant: c/o FUJITSU SEMICONDUCTOR LIMITEDInventors: Takumi Ihara, Seiji Ueno, Joji Fujimori, Yasunori Fujimoto
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Publication number: 20120091503Abstract: The present invention discloses a high-voltage ESD protection device including a silicon controlled rectifier and a first PNP transistor. The silicon controlled rectifier includes a high-voltage P-well and N-well; a first N+ and P+ diffusion region are formed in the high-voltage P-well; a second N+ and P+ diffusion region are formed in the high-voltage N-well. The first PNP transistor comprises an N-type buried layer; a low-voltage N-well formed in the N-type buried layer; and a base, emitter and collector formed in the low-voltage N-well. The base and emitter are shorted together; the collector is shorted to the second N+ diffusion region and the second P+ diffusion region; the first N+ diffusion region is shorted to the first P+ diffusion region to act as a ground terminal. The high-voltage ESD protection device can effectively adjust the ESD trigger voltage and improve the snapback sustaining voltage after the device is switched on.Type: ApplicationFiled: October 18, 2011Publication date: April 19, 2012Inventor: Qing Su
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Publication number: 20120068302Abstract: An electronic device including a semiconductor die, which has a top surface that is configured to operate as a printed circuit board so as to provide connections for at least one passive component, in particular a passive surface mounted device (SMD).Type: ApplicationFiled: September 8, 2011Publication date: March 22, 2012Applicant: Texas Instruments Deutschland GmbHInventors: Stefan Beierke, Johann Gross
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Publication number: 20120037956Abstract: Circuit and method for RC power clamp triggered dual SCR ESD protection. In an integrated circuit, a protected pad is coupled to an upper SCR circuit and a lower SCR circuit; and both are coupled to the RC power clamp circuit, which is coupled between the positive voltage supply and the ground voltage supply. A structure for ESD protection is disclosed having a first well of a first conductivity type adjacent to a second well of a second conductivity type, the boundary forming a p-n junction, and a pad contact diffusion region in each well electrically coupled to a pad terminal; additional diffusions are provided proximate to and electrically isolated from the pad contact diffusion regions, the diffusion regions and first and second wells form two SCR devices. These SCR devices are triggered, during an ESD event, by current injected into the respective wells by an RC power clamp circuit.Type: ApplicationFiled: October 26, 2011Publication date: February 16, 2012Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ming-Hsiang Song, Jam-Wem Lee
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Publication number: 20110241163Abstract: A semiconductor device has a substrate and band-pass filter formed over the substrate. The band-pass filter includes a first conductive trace wound to exhibit inductive properties with a first end coupled to a first terminal of the semiconductor device and second end coupled to a second terminal of the semiconductor device, and first capacitor coupled between the first and second ends of the first conductive trace. A second conductive trace is wound to exhibit inductive properties with a first end coupled to a third terminal of the semiconductor device and second end coupled to a fourth terminal of the semiconductor device. The second conductive trace has a different size and shape as the first conductive trace. A second capacitor is coupled between the first and second ends of the second conductive trace. A third conductive trace is wound around the first and second conductive traces to exhibit inductive properties.Type: ApplicationFiled: March 30, 2010Publication date: October 6, 2011Applicant: STATS CHIPPAC, LTD.Inventors: Kai Liu, Robert C. Frye
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Patent number: 7985983Abstract: A semiconductor device includes an ESD device region disposed within a semiconductor body of a first semiconductor type, an isolation region surrounding the ESD device region, a first doped region of a second conductivity type disposed at a surface of the semiconductor body within the ESD region, and a second doped region of the first conductivity type disposed between the semiconductor body within the ESD region and at least a portion of the first doped region, where the doping concentration of the second doped region is higher than the semiconductor body. A third doped region of the second semiconductor type is disposed on the semiconductor body and a fourth region of the first conductivity type is disposed over the third doped region. A fifth doped region of the second conductivity type is disposed on the semiconductor body. A trigger device and an SCR is formed therefrom.Type: GrantFiled: April 28, 2010Date of Patent: July 26, 2011Assignee: Infineon Technologies AGInventors: Cornelius Christian Russ, Kai Esmark, David Alvarez, Jens Schneider
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Publication number: 20110031583Abstract: A small high frequency device that is able to inhibit generation of an eddy current and a parasitic capacity and shows superior high frequency characteristics is provided. The high frequency device includes: a substrate having a depression; a dielectric layer over the substrate; and a plurality of electronic devices which are provided in the dielectric layer or on the dielectric layer, and at least one of which is opposed to the depression.Type: ApplicationFiled: July 30, 2010Publication date: February 10, 2011Applicant: SONY CORPORATIONInventors: Akira Akiba, Shun Mitarai, Koichi Ikeda
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Publication number: 20100314716Abstract: A vertical TVS (VTVS) circuit includes a semiconductor substrate for supporting the VTVS device thereon having a heavily doped layer extending to the bottom of substrate. Deep trenches are provided for isolation between multi-channel VTVS. Trench gates are also provided for increasing the capacitance of VTVS with integrated EMI filter.Type: ApplicationFiled: August 18, 2010Publication date: December 16, 2010Inventors: Shekar Mallikararjunaswamy, Madhur Bobde
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Patent number: 7842969Abstract: In one embodiment, an ESD device is configured to include a zener diode and a P-N diode and to have a conductor that provides a current path between the zener diode and the P-N diode.Type: GrantFiled: July 10, 2008Date of Patent: November 30, 2010Assignee: Semiconductor Components Industries, LLCInventors: David D. Marreiro, Sudhama C. Shastri, Ali Salih, Mingjiao Liu, John Michael Parsey, Jr.
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Publication number: 20100208405Abstract: A semiconductor device includes an ESD device region disposed within a semiconductor body of a first semiconductor type, an isolation region surrounding the ESD device region, a first doped region of a second conductivity type disposed at a surface of the semiconductor body within the ESD region, and a second doped region of the first conductivity type disposed between the semiconductor body within the ESD region and at least a portion of the first doped region, where the doping concentration of the second doped region is higher than the semiconductor body. A third doped region of the second semiconductor type is disposed on the semiconductor body and a fourth region of the first conductivity type is disposed over the third doped region. A fifth doped region of the second conductivity type is disposed on the semiconductor body. A trigger device and an SCR is formed therefrom.Type: ApplicationFiled: April 28, 2010Publication date: August 19, 2010Inventors: Cornelius Christian Russ, Kai Esmark, David Alvarez, Jens Schneider
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Publication number: 20100187651Abstract: Aspects of the invention are directed towards an integrated circuit package and method of forming the same, and more particularly to a redistributed chip packaging for an integrated circuit. The integrated circuit package includes an integrated circuit having a protective material on at least a portion of the integrated circuit. A lead frame is coupled to the integrated circuit and a conductive layer is also coupled to the interconnect. A solder ball is coupled to the conductive layer and a passivation layer is on the conductive layer. Active and passive components are electrically coupled to the integrated circuit.Type: ApplicationFiled: October 13, 2009Publication date: July 29, 2010Applicant: STMicroelectronics Asia Pacific Pte Ltd.Inventors: Yonggang JIN, Kiyoshi Kuwabara, Xavier Baraton
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Publication number: 20100181597Abstract: A protection device of programmable semiconductor surge suppressor having deep-well structure is provided comprising one, two or four protection units, each of which is composed of a PN-junction diode, a PNPN-type thyristor and a NPN-type triode connected with each other. It is characterized in that in the diode area on the frontal side of the N-type semiconductor base is formed a PN junction with impurity concentration changed gradiently from top to bottom according to the order of P+, P, N and N+; and a group of deep-wells with P-type impurities are positioned at the interface of the PN junction, making the PN junction form a concave-convex type interface. The present invention can be used in the program-controlled switchboard to protect the Subscriber Line Interface Circuit (SLIC) board. The above improvement can further improve the anti-lightning and anti-surge performance and the energy discharge capability of the whole device.Type: ApplicationFiled: September 25, 2009Publication date: July 22, 2010Applicant: SEMITEL ELECTRONICS CO., LTD.Inventors: Walance Sun, Ken Ou, Shouming Zhang, Man Ng
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Publication number: 20100109118Abstract: A semiconductor device of the present invention includes a semiconductor layer, a low withstand voltage transistor, and a high withstand voltage transistor. In the low withstand voltage transistor, a first high concentration collector region and a first base region contact with a first low concentration collector region provided in the semiconductor layer. In the high withstand voltage transistor, a second high concentration collector region and a second base region contact a second low concentration collector region provided in the semiconductor layer. Further, the second high concentration collector region and the second base region are configured such that the distance between the second high concentration collector region and the second base region in a parallel direction to a main surface of the semiconductor layer is longer than the distance between the first high concentration collector region and the first base region.Type: ApplicationFiled: October 22, 2009Publication date: May 6, 2010Applicant: NEC ELECTRONICS CORPORATIONInventors: MASATO SAKURAI, AKIHIRO SAWAIRI
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Publication number: 20090218657Abstract: A circuit includes a first integrated circuit or die having a first circuit and a first inductive interface. A second integrated circuit or die includes a second circuit and a second inductive interface, wherein the first inductive interface and the second inductive interface are aligned to magnetically communicate first signals between the first circuit and the second circuit and wherein the second inductive interface is coupled to engage in near field communications with a remote device, wherein the near field communications include second signals.Type: ApplicationFiled: March 3, 2008Publication date: September 3, 2009Applicant: BROADCOM CORPORATIONInventor: Ahmadreza (Reza) Rofougaran
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Patent number: 7563662Abstract: A process for forming an electronic device can be performed, such that as little as one gate electric layer may be formed within each region of the electronic device. In one embodiment, the electronic device can include an NVM array and other regions that have different gate dielectric layers. By protecting the field isolation regions within the NVM array and other regions while gate dielectric layer are formed, the field isolation regions may be exposed to as little as one oxide etch between the time any of the gate dielectric layers are formed the time such gate dielectric layers are covered by gate electrode layers. The process helps to reduce field isolation erosion and reduce problems associated therewith.Type: GrantFiled: March 18, 2005Date of Patent: July 21, 2009Assignee: Freescale Semiconductor, Inc.Inventors: Rajesh A. Rao, Ramachandran Muralidhar
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Publication number: 20090072288Abstract: A process and apparatus directed to forming a terraced film stack of a semiconductor device, for example, a DRAM memory device, is disclosed. The present invention addresses etch undercut resulting from materials of different etch selectivity used in the film stack, which if not addressed can cause device failure.Type: ApplicationFiled: November 20, 2008Publication date: March 19, 2009Inventors: Robert J. Hanson, Alex Schrinsky, Terry McDaniel
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Publication number: 20080173976Abstract: A method is provided for fabricating a microelectronic chip which includes a passive device such, as an inductor, overlying an air gap. In such method, a plurality of front-end-of-line (“FEOL”) devices are formed in a semiconductor region of the microelectronic chip, and a plurality of stacked interlevel dielectric (“ILD”) layers are formed to overlie the plurality of FEOL devices, the plurality of stacked ILD layers including a first ILD layer and a second ILD layer, where the second ILD layer is resistant to attack by a first etchant which attacks the first ILD layer. A passive device is formed to overlie at least the first ILD layer. Using the first etchant, a portion of the first ILD layer in registration with the passive device is removed to form an air gap which underlies the passive device in registration with the passive device.Type: ApplicationFiled: January 24, 2007Publication date: July 24, 2008Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Anthony K. Stamper, Anil K. Chinthakindi, Douglas D. Coolbaugh, Timothy J. Dalton, Daniel C. Edelstein, Ebenezer E. Eshun, Jeffrey P. Gambino, William J. Murphy, Kunal Vaed