Abstract: A dielectric and isolation lower fin material is described that is useful for fin-based electronics. In some examples, a dielectric layer is on first and second sidewalls of a lower fin. The dielectric layer has a first upper end portion laterally adjacent to the first sidewall of the lower fin and a second upper end portion laterally adjacent to the second sidewall of the lower fin. An isolation material is laterally adjacent to the dielectric layer directly on the first and second sidewalls of the lower fin and a gate electrode is over a top of and laterally adjacent to sidewalls of an upper fin. The gate electrode is over the first and second upper end portions of the dielectric layer and the isolation material.
Abstract: Semiconductor structures and methods for forming the same are provided. The method for forming a semiconductor structure includes forming an N-well region in a substrate and forming a first protection layer over the N-well region. The method for forming a semiconductor structure further includes forming a P-well region in the substrate and forming a second protection layer over the P-well region. The method for forming a semiconductor structure further includes growing a first channel layer over the first protection layer and a second channel layer over the second protection layer and forming a first gate structure over the first channel layer and a second gate structure over the second channel layer.
Abstract: A lead frame for mounting LED elements includes a frame body region and a large number of package regions arranged in multiple rows and columns in the frame body region. The package regions each include a die pad on which an LED element is to be mounted and a lead section adjacent to the die pad, the package regions being further constructed to be interconnected via a dicing region. The die pad in one package region and the lead section in another package region upward or downward adjacent to the package region of interest are connected to each other by an inclined reinforcement piece positioned in the dicing region.
Abstract: Methods and systems for reducing electrical disturb effects between thyristor memory cells in a memory array are provided. Electrical disturb effects between cells are reduced by using a material having a reduced minority carrier lifetime as a cathode line that is embedded within the array. Disturb effects are also reduced by forming a potential well within a cathode line, or a one-sided potential barrier in a cathode line.
Type:
Grant
Filed:
June 30, 2016
Date of Patent:
February 20, 2018
Assignee:
Kilopass Technology, Inc.
Inventors:
Harry Luan, Valery Axelrad, Charlie Cheng
Abstract: Structures that include contact trenches and isolation trenches, as well as methods for forming structures including contact trenches and isolation trenches. A contact trench is formed that extends through a device layer of a silicon-on-insulator (SOI) substrate to a buried oxide layer of the SOI substrate. An isolation trench is formed that extends through the device layer to the buried oxide layer. An electrical insulator is deposited that fills the contact trench and the first isolation trench. The electrical insulator is removed from the contact trench. After the electrical insulator is removed from the contact trench, an electrical conductor is formed in the contact trench. The electrical contact may be coupled with a doped region in a handle wafer of the SOI substrate.
Type:
Grant
Filed:
January 9, 2017
Date of Patent:
February 13, 2018
Assignee:
GLOBALFOUNDRIES Inc.
Inventors:
Natalie B. Feilchenfeld, Michael J. Zierak, Max G. Levy, BethAnn Lawrence
Abstract: A structure includes a first package and a second package. The second package is coupled to the first package by one or more connectors. Epoxy flux residue is disposed around the connectors and in contact with the connectors. A method includes providing a first package having first connector pads and providing a second package having corresponding second connector pads. Solder paste is printed on each of the first connector pads. Epoxy flux is printed on each of the solder paste. The first and second connector pads are aligned and the packages are pressed together. The solder paste is reflowed to connect the first connector pads to the second connector pads while leaving an epoxy flux residue around each of the connections.
Abstract: A core-shell nanowire device includes an eave region having a structural discontinuity from the p-plane in the upper tip portion of the shell to the m-plane in the lower portion of the shell. The eave region has at least 5 atomic percent higher indium content than the p-plane and m-plane portions of the shell.
Abstract: According to one embodiment, a magnetic memory device includes a first magnetic layer selectively exhibiting a first state in which the first magnetic layer has a first magnetization direction perpendicular to a main surface thereof and a second state in which the first magnetic layer has a second magnetization direction opposite to the first magnetization direction, a second magnetic layer having a fixed magnetization direction perpendicular to a main surface thereof and corresponding to the first magnetization direction, a third magnetic layer provided between the first and second magnetic layers, having a fixed magnetization direction perpendicular to a main surface thereof and corresponding to the second magnetization direction, and having a side surface including a recess portion, and a nonmagnetic layer provided between the first and third magnetic layers.
Abstract: Perpendicular spin transfer torque memory (STTM) devices with enhanced stability and methods of fabricating perpendicular STTM devices with enhanced stability are described. For example, a material layer stack for a magnetic tunneling junction includes a fixed magnetic layer. A dielectric layer is disposed above the fixed magnetic layer. A free magnetic layer is disposed above the dielectric layer. A conductive oxide material layer is disposed on the free magnetic layer.
Type:
Grant
Filed:
October 24, 2016
Date of Patent:
January 30, 2018
Assignee:
Intel Corporation
Inventors:
Brian S. Doyle, Charles C. Kuo, Kaan Oguz, Uday Shah, Elijah V. Karpov, Roksana Golizadeh Mojarad, Mark L. Doczy, Robert S. Chau
Abstract: A method is provided for making optical semiconductor devices collectively. LED chips are arranged on a material substrate, and the substrate is sandwiched by a common mold and a first cooperating mold formed with a cavity. A light-transmitting resin is injected into the cavity and solidified to form a light-transmitting resin member including body portions for sealing the LED chips and connecting portions each connecting adjacent body portions. Then, the substrate is sandwiched by the common mold and a second cooperating mold formed with another cavity. A light-shielding resin is injected into the cavity and solidified to form a light-shielding resin member filling the gaps between the body portions. The body portions are separated from each other by making cuts in the material substrate and the light-shielding resin member.
Abstract: A display driver semiconductor device includes a high voltage well region being formed on a substrate, a first semiconductor device, a second semiconductor device, and a third semiconductor device. The first semiconductor device is formed on the high voltage well region and includes a first gate insulating layer. The second semiconductor device is formed adjacent to the first semiconductor device and includes a second gate insulating layer. The third semiconductor device is formed adjacent to the second semiconductor device and includes a third gate insulating layer. The first insulating layer may be formed using a chemical vapor deposition (CVD) process and the second insulating layer is formed using a thermal oxide process.
Type:
Grant
Filed:
March 6, 2017
Date of Patent:
January 16, 2018
Assignee:
Magnachip Semiconductor, Ltd.
Inventors:
Bo Seok Oh, Hee Hwan Ji, Jeong Hyeon Park
Abstract: A photodetector is described along with corresponding materials, systems, and methods. The photodetector comprises an integrated circuit and at least two optically sensitive layers. A first optically sensitive layer is over at least a portion of the integrated circuit, and a second optically sensitive layer is over the first optically sensitive layer. Each optically sensitive layer is interposed between two electrodes. The two electrodes include a respective first electrode and a respective second electrode. The integrated circuit selectively applies a bias to the electrodes and reads signals from the optically sensitive layers. The signal is related to the number of photons received by the respective optically sensitive layer.
Abstract: A vertical fin field effect transistor (V-FinFET) is provided as follows. A substrate has a lower source/drain (S/D). A fin structure extends vertically from an upper surface of the lower S/D. The fin structure includes a sidewall having an upper sidewall portion, a lower sidewall portion and a center sidewall portion positioned therebetween. An upper S/D is disposed on an upper surface of the fin structure. An upper spacer is disposed on the upper sidewall portion. A lower spacer is disposed on the lower sidewall portion. A stacked structure including a gate oxide layer and a first gate electrode is disposed on an upper surface of the lower spacer, the center sidewall portion and a lower surface of the upper spacer. A second gate electrode is disposed on the first gate electrode.
Abstract: Devices and methods of forming a device are disclosed. The method includes providing a substrate defined with at least first and second regions and providing a plurality of interlevel dielectric (ILD) levels having tight pitch over the first and second regions of the substrate. An ILD level of which a two-terminal element disposed thereon corresponds to a first ILD level and its metal level corresponds to Mx, an immediate ILD level overlying the metal level Mx corresponds to a second ILD level includes via level Vx and metal level Mx+1 and the next overlying ILD level corresponds to a third ILD level includes via level Vx+1 and metal level Mx+2. The method includes forming a two-terminal device element is formed in between metal level Mx and via level Vx+1 in the first region.
Type:
Grant
Filed:
August 25, 2016
Date of Patent:
January 9, 2018
Assignee:
GLOBALFOUNDRIES Singapore Pte. Ltd.
Inventors:
Juan Boon Tan, Wanbing Yi, Yi Jiang, Curtis Chun-I Hsieh, Danny Pak-Chum Shum
Abstract: Techniques for forming closely packed hybrid nanowires are provided. In one aspect, a method for forming hybrid nanowires includes: forming alternating layers of a first and a second material in a stack on a substrate; forming a first trench(es) and a second trench(es) in the stack; laterally etching the layer of the second material selectively within the first trench(es) to form first cavities in the layer; growing a first epitaxial material within the first trench(es) filling the first cavities; laterally etching the layer of the second material selectively within the second trench(es) to form second cavities in the layer; growing a second epitaxial material within the second trench(es) filling the second cavities, wherein the first epitaxial material in the first cavities and the second epitaxial material in the second cavities are the hybrid nanowires. A nanowire FET device and method for formation thereof are also provided.
Type:
Grant
Filed:
October 28, 2016
Date of Patent:
January 9, 2018
Assignee:
International Business Machines Corporation
Inventors:
Veeraraghavan S. Basker, Zuoguang Liu, Tenko Yamashita, Chun-chen Yeh
Abstract: Stress relief structures and methods that can be applied to MEMS sensors requiring a hermetic seal and that can be simply manufactured are disclosed. The system includes a sensor having a first surface and a second surface, the second surface being disposed away from the first surface, the second surface also being disposed away from a package surface and located between the first surface and the package surface, a number of support members, each support member extending from the second surface to the package surface, the support members being disposed on and operatively connected to only a portion of the second surface. The support member are configured to reduce stress produced by package-sensor interaction.
Abstract: An integrated electronic device is supported by a substrate of a silicon on insulator type. At least one transistor is formed in and on a semiconductor film of the substrate. The transistor includes a drain region and a source region of a first conductivity type and a substrate (body) region of a second conductivity type lying under a gate region. An extension region laterally continues the substrate (body) region beyond the source and drain regions and borders, in contact with, the source region through a border region having the first conductivity type. This supports formation of an electrical connection of the source region and the substrate (body) region.
Type:
Grant
Filed:
March 20, 2017
Date of Patent:
December 19, 2017
Assignee:
STMicroelectronics SA
Inventors:
Augustin Monroy Aguirre, Guillaume Bertrand, Philippe Cathelin, Raphael Paulin
Abstract: A magnetoresistive memory cell includes a magnetoresistive tunnel junction stack and a dielectric encapsulation layer covering sidewall portions of the stack and being opened over a top of the stack. A conductor is formed in contact with a top portion of the stack and covering the encapsulation layer. A magnetic liner encapsulates the conductor and is gapped apart from the encapsulating layer covering the sidewall portions of the stack.
Type:
Grant
Filed:
February 14, 2017
Date of Patent:
December 19, 2017
Assignees:
International Business Machines Corporation, Crocus Technology
Abstract: A method for fabricating an electronic device that includes a metal-insulator-semiconductor (M-I-S) structure includes: providing a semiconductor layer; forming a primary insulation layer of a first thickness over the semiconductor layer; forming a reactive metal layer of a second thickness over the primary insulation layer, where the second thickness is greater than the first thickness; forming a primary capping layer of a third thickness over the reactive metal layer, where the third thickness is greater than the second thickness; and performing a thermal treatment.
Type:
Grant
Filed:
November 1, 2016
Date of Patent:
December 12, 2017
Assignee:
SK hynix Inc.
Inventors:
Chi-Ho Kim, Jong-Han Shin, Ki-Seon Park
Abstract: A solid source-diffused junction is described for fin-based electronics. In one example, a fin is formed on a substrate. A glass of a first dopant type is deposited over the substrate and over a lower portion of the fin. A glass of a second dopant type is deposited over the substrate and the fin. The glass is annealed to drive the dopants into the fin and the substrate. The glass is removed and a first and a second contact are formed over the fin without contacting the lower portion of the fin.