Patent application number | Description | Published |
20090086621 | Correlating Label Switched Paths Of A Pseudowire - In one embodiment, correlating label switched paths of a pseudowire includes receiving a first message at a second label switching router. The first message is sent from a first label switching router and includes a pseudowire identifier and a first label switched path identifier. The pseudowire identifier identifies a pseudowire, and the first label switched path identifier identifies a first label switched path that implements the pseudowire. A second message is sent from the second label switching router to the first label switching router. The second message comprises the pseudowire identifier and a second label switched path identifier. The second label switched path identifier identifies a second label switched path that implements the pseudowire. | 04-02-2009 |
20090086632 | Using A Link Attribute To Inform Nodes Of The Availability Of Traffic Management Resources - In one embodiment, informing nodes of traffic management resource availability includes establishing whether there is an available traffic management resource at a first node, where a traffic management resource tracks usage of bandwidth by a tunnel at the first node. Whether there is an available traffic management resource is recorded in a traffic management link attribute. The traffic management link attribute is sent to second nodes to inform the second nodes of whether there is an available traffic management resource at the first node. | 04-02-2009 |
20090086633 | Using A Link-State Advertisement To Inform Nodes Of The Availability Of Traffic Management Resources - In one embodiment, informing nodes of traffic management resource availability includes determining a number of available traffic management resources at a first node, where a traffic management resource tracks usage of bandwidth by a tunnel at the first node. The number of available traffic management resources is recorded in a link-state advertisement. The link-state advertisement is sent to one or more second nodes. | 04-02-2009 |
20110153804 | METHOD AND SYSTEM FOR REPORTING DEFECTS WITHIN A NETWORK - A method and system for reporting defects within a network are disclosed. In accordance with an embodiment of the present invention, a method for reporting defects within a network comprises generating a summary alarm by a network element based on defects detected within a network. The method further comprises receiving at the network element a first request for the detected defects within the network from a network management system in response to generation of the summary alarm. The method further comprises reporting the detected defects by the network element in response to the first request from the network management system. | 06-23-2011 |
20110154099 | METHOD AND SYSTEM FOR MASKING DEFECTS WITHIN A NETWORK - A method and system for masking defects within a network are disclosed. In accordance with an embodiment of the present invention, a method for masking defects within a network comprises detecting by a service entity defects within a network. The method further comprises determining a number of detected defects associated with a network component included in the network. The method further comprises generating by the network component a summary alarm if the number of detected defects within the network is greater than a first threshold. | 06-23-2011 |
20110167119 | Systems and Methods for Processing Heartbeat Messages - According to one embodiment, a method for processing heartbeat messages includes processing heartbeat messages received at a first network interface integral to a first network element from a second network element to determine a first status parameter associated with the second network element. The method may also include processing heartbeat messages received at a second network interface integral to the first network element from the second network element to determine a second status parameter associated with the second network element. The method may further include determining a status of the second network element based on the first status parameter and the second status parameter. | 07-07-2011 |
20110279258 | Systems and Methods for Transmission of Trigger-Based Alarm Indication Suppression Messages - According to one embodiment, a method may include communicating an alarm suppression indication trigger message from a maintenance end point to an alarm indication suppression generator. The method may further include communicating, by the alarm indication suppression generator in response to receiving the alarm indication trigger message, an alarm indication suppression message to at least one flow point that has alarm indication suppression enabled for the maintenance end point such that the alarm indication suppression message is received by at least one other maintenance end point upstream of the maintenance end point. | 11-17-2011 |
20120011206 | Systems and Methods for Discovery of Network Topology Using Service OAM - According to one embodiment, a method may include instantiating a first maintenance end point on a first port of a first network element. The first maintenance end point may determine whether a heartbeat message has been received from a second maintenance end point instantiated on a second port of a second network element. In response to determining that the heartbeat message has been received, the maintenance end point may analyze the heartbeat message to determine an identifier for the second network element and an identifier for the second port. Based on the determination of the identifier of the second network element and the identifier of the second port, the network element may store information to an adjacency list, the information indicating at least one of an adjacency of the first port to the second port and an adjacency of the first network element to the second network element. | 01-12-2012 |
20120093152 | Method and System for Communicating Multicast Traffic Over Protected Paths - In accordance with embodiments of the present disclosure, a method is provided for communicating multicast traffic. The method may include in response to receipt of multicast control traffic at a network element to be communicated to a protection switching group, communicating the multicast control traffic to each of a working path and a protection path of the protection switching group. The method may also include in response to receipt of multicast control traffic via either of the working path and the protection path, processing the multicast control traffic as if the multicast control traffic was received via both the working path and the protection path. | 04-19-2012 |
20130051243 | SYSTEMS AND METHODS FOR IMPLEMENTING SERVICE OPERATION, ADMINISTRATION, AND MANAGEMENT FOR HAIRPINNED ETHERNET SERVICES - In accordance with embodiments of the present disclosure, a method may include designating one of at least one maintenance point associated with a physical port of a line card as a primary maintenance point, the primary maintenance point comprising either a UP-Maintenance Entity Group End Point (UP-MEP) or one Maintenance Entity Group Intermediate Point (MIP). The method may also include configuring the line card such that the line card stores source addresses of Service Operation, Administration, and Management (SOAM) frames communicated by the primary maintenance point. The method may further include configuring the line card such that the line card does not store source addresses of Service Operation, Administration, and Management frames communicated by maintenance points associated with the physical port other than the primary maintenance point. | 02-28-2013 |
20130058210 | METHOD AND SYSTEM FOR INTERRUPT THROTTLING AND PREVENTION OF FREQUENT TOGGLING OF PROTECTION GROUPS IN A COMMUNICATION NETWORK - A method may include determining a first number of events occurring during a first threshold detection duration. The method may further include causing processing of events to cease for a particular throttling duration in response to determining that the first number of events occurring during the threshold detection duration is greater than a predetermined threshold. The method may also include determining a second number of events occurring during a second threshold detection duration. Additionally, the method may include, in response to determining that the first number of events occurring during the first threshold detection duration is greater than the predetermined threshold and that the second number of events occurring during the second threshold detection duration is greater than the predetermined threshold: increasing the time of the particular throttling duration; and causing processing of events to cease for the increased particular throttling duration. | 03-07-2013 |
20130128774 | SYSTEM AND METHOD FOR DISTRIBUTED INTERNET GROUP MANAGEMENT PROTOCOL PROCESSING - A method may include receiving, at a network interface of a first network element, an Internet Group Management Protocol (IGMP) message from a second network element. The method may also include updating first multicast group data associated with the network interface based on the received IGMP message, the first multicast group data including one or more entries setting forth a multicast group and one or more other network elements which are members of the multicast group. The method may additionally include determining whether the second network element is the sole member of its multicast group based on the IGMP message and the first multicast group data. The method may further include forwarding the IGMP message to a switching element of the first network element in response to determining that the second network element is the sole member of its multicast group, the switching element communicatively coupled to the network interface. | 05-23-2013 |
20140307561 | SYNTHETIC LOSS MEASUREMENTS USING SESSION NUMBERS - A method and system for performing synthetic loss measurements (SLM) includes methods for single-ended and dual-ended synthetic loss measurements. The methods include maintaining a session number indicative of a physical network component at each maintenance point used to perform synthetic loss measurements. The session numbers are maintained according to a novel protocol and are used to detect a change in the network component, such as resulting from a protection switch event. The session numbers enable the synthetic loss measurements to continue irrespective of changes in the values for the session numbers and to remove errors when computing frame loss that may arise when physical network components change. The disclosed methods and systems may be used when a link aggregation group exists between a local maintenance point and a remote maintenance point. | 10-16-2014 |
Patent application number | Description | Published |
20100072671 | NANO-IMPRINT LITHOGRAPHY TEMPLATE FABRICATION AND TREATMENT - A nano-imprint lithography template includes a rigid support layer, a cap layer, and a flexible cushion layer positioned between the support layer and the cap layer. Treating an imprint lithography template includes heating the template to desorb gases from the template. Heating the template includes radiating the template at a selected wavelength with, for example, infrared radiation. The selected wavelength may correspond to a wavelength at which the template material is strongly absorbing. | 03-25-2010 |
20100084376 | NANO-IMPRINT LITHOGRAPHY TEMPLATES - Porous nano-imprint lithography templates may include pores, channels, or porous layers arranged to allow evacuation of gas trapped between a nano-imprint lithography template and substrate. The pores or channels may be formed by etch or other processes. Gaskets may be formed on an nano-imprint lithography template to restrict flow of polymerizable material during nano-imprint lithography processes. | 04-08-2010 |
20100090341 | NANO-PATTERNED ACTIVE LAYERS FORMED BY NANO-IMPRINT LITHOGRAPHY - Patterned active layers formed by nano-imprint lithography for use in devices such as photovoltaic cells and hybrid solar cells. One such photovoltaic cell includes a first electrode and a first electrically conductive layer electrically coupled to the first electrode. The first conductive layer has a multiplicity of protrusions and recesses formed by a nano-imprint lithography process. A second electrically conductive layer substantially fills the recesses and covers the protrusions of the first conductive layer, and a second electrode is electrically coupled to the second conductive layer. A circuit electrically connects the first electrode and the second electrode. | 04-15-2010 |
20100104852 | Fabrication of High-Throughput Nano-Imprint Lithography Templates - An imprint lithography template includes a porous material defining a multiplicity of pores with an average pore size of at least about 0.4 nm. The porous material includes silicon and oxygen, and a ratio of Young's modulus (E) to relative density of the porous material with respect to fused silica (p | 04-29-2010 |
20110030770 | NANOSTRUCTURED ORGANIC SOLAR CELLS - Solar cells having at least one N-type material layer and at least one P-type material layer forming a patterned p-n junction are described. A conducting layer may provide electrical communication between the p-n junction and an electrode layer. | 02-10-2011 |
20110180127 | SOLAR CELL FABRICATION BY NANOIMPRINT LITHOGRAPHY - Fabricating a solar cell stack includes forming a nanopatterned polymeric layer on a first surface of a silicon wafer and etching the first surface of the silicon wafer to transfer a pattern of the nanopatterned polymeric layer to the first surface of the silicon wafer. A layer of reflective electrode material is formed on a second surface of the silicon wafer. The nanopatterned first surface of the silicon wafer undergoes a buffered oxide etching. After the buffered oxide etching, the nanopatterned first surface of the silicon wafer is treated to decrease a contact angle of water on the nanopatterned first surface. Electron donor material is deposited on the nanopatterned first surface of the silicon wafer to form an electron donor layer, and a transparent electrode material is deposited on the electron donor layer to form a transparent electrode layer on the electron donor layer. | 07-28-2011 |
20110277827 | NANOSTRUCTURED SOLAR CELL - Systems and methods for fabrication of nanostructured solar cells having arrays of nanostructures are described, including nanostructured solar cells having a repeating pattern of pyramid nanostructures, providing for low cost thin-film solar cells with improved PCE. | 11-17-2011 |
20120009413 | ENHANCED DENSIFICATION OF SILICON OXIDE LAYERS - Densifying a multi-layer substrate includes providing a substrate with a first dielectric layer on a surface of the substrate. The first dielectric layer includes a multiplicity of pores. Water is introduced into the pores of the first dielectric layer to form a water-containing dielectric layer. A second dielectric layer is provided on the surface of the water-containing first dielectric layer. The first and second dielectric layers are annealed at temperature of 600° C. or less. In an example, the multi-layer substrate is a nanoimprint lithography template. The second dielectric layer may have a density and therefore an etch rate similar to that of thermal oxide, yet may still be porous enough to allow more rapid diffusion of helium than a thermal oxide layer. | 01-12-2012 |
20120214066 | High Aspect Ratio Patterning of Silicon - A silicon nanowire array including a multiplicity of silicon nanowires extending from a silicon substrate. Cross-sectional shape of the silicon nanowires and spacing between the silicon nanowires can be selected to maximize the ratio of the surface area of the silicon nanowires to the volume of the nanowire array. Methods of forming the silicon nanowire array include a nanoimprint lithography process to form a template for the silicon nanowire array and an electroless etching process to etch the template formed by the nanoimprint lithography process. | 08-23-2012 |
20130266682 | NANO-IMPRINT LITHOGRAPHY TEMPLATES - Porous nano-imprint lithography templates may include pores, channels, or porous layers arranged to allow evacuation of gas trapped between a nano-imprint lithography template and substrate. The pores or channels may be formed by etch or other processes. Gaskets may be formed on an nano-imprint lithography template to restrict flow of polymerizable material during nano-imprint lithography processes. | 10-10-2013 |
20140212534 | Fabrication of High-Throughput Nano-Imprint Lithography Templates - An imprint lithography template includes a porous material defining a multiplicity of pores with an average pore size of at least about 0.4 nm. The porous material includes silicon and oxygen, and a ratio of Young's modulus (E) to relative density of the porous material with respect to fused silica (ρ | 07-31-2014 |
Patent application number | Description | Published |
20090248374 | Modeling of Hydrocarbon Reservoirs Containing Subsurface Features - A method for modeling a reservoir response in a subsurface system is provided. The subsurface system has at least one subsurface feature. Preferably, the subsurface system comprises a hydrocarbon reservoir. The method includes defining physical boundaries for the subsurface system, and locating the at least one subsurface feature within the physical boundaries. The method also includes creating a finite element mesh within the physical boundaries. The finite element mesh may have elements that cross the at least one subsurface feature such that the subsurface feature intersects elements in the mesh. A computer-based numerical simulation is then performed wherein the effects of the subsurface feature are recognized in the response. The reservoir response may be, for example, pore pressure or displacement at a given location within the physical boundaries. | 10-01-2009 |
20110024125 | Space-Time Surrogate Models of Subterranean Regions - Methods for creating and using space-time surrogate models of subsurface regions, such as subsurface regions containing at least one hydrocarbon formation. The created surrogate models are explicit models that may be created from implicit models, such as computationally intensive full-physics models. The space-time surrogate models are parametric with respect to preselected variables, such as space, state, and/or design variables, while also indicating responsiveness of the preselected variables with respect to time. In some embodiments, the space-time surrogate model may be parametric with respect to preselected variables as well as to time. Methods for updating and evolving models of subsurface regions are also disclosed. | 02-03-2011 |
20130073272 | Discretized Physics-Based Models and Simulations of Subterranean Regions, and Methods For Creating and Using the Same - Methods for creating and using discretized physics-based models of subsurface regions, which may contain a hydrocarbon reservoir or other subsurface feature(s). The methods may include selecting a pre-solved model, applying a mesh to the pre-solved model, defining the shape of the subsurface region to be modeled, and transforming the pre-solved model, to which the mesh has been applied, to the shape of the subsurface region. In some methods, the pre-solved model is an idealized model. In some methods, the mesh is applied to a solution of potential field lines associated with the pre-solved model, and in some methods, the solution of potential field lines is a composite solution of a plurality of solutions of potential field lines. In some methods, one or more supershapes are used to define the shape of the subsurface region. In some methods, a hyperelastic strain deformation calculation is utilized for the transforming. | 03-21-2013 |
Patent application number | Description | Published |
20090020140 | NON-FLAMMABLE SOLVENTS FOR SEMICONDUCTOR APPLICATIONS - Methods and compositions for purging and cleaning a semiconductor fabrication system are disclosed herein. In general, the disclosed methods utilize solvents comprising hydrofluoroethers. Hydrofluoroethers are non-toxic and have low moisture content, preventing heat generation from organometallic precursor hydrolysis. In an embodiment, a method of cleaning a semiconductor fabrication system comprises dissolving at least one chemical precursor used in semiconductor fabrication in at least one delivery line with a solvent to clean the at least one delivery line. The solvent generally comprises a hydrofluoroether. The methods and compositions may be used in a variety of semiconductor film deposition processes. | 01-22-2009 |
20100116738 | Process Of Purifying Ruthenium Precursors - The present invention provides for two separate processes for removing impurities from an organic solvent based ruthenium precursor. The first process comprises the steps of contacting the organic solvent based ruthenium precursor with one or more drying agents under an inert gas blanket for a sufficient period of time to allow at least a portion of the impurities in the organic solvent based ruthenium precursor to be adsorbed by the one or more drying agents; and separating the one or more drying agents which have at least a portion of the impurities adsorbed thereon from the organic solvent based ruthenium precursor. The second process comprises the steps of providing a column that contains one or more drying agents and is equipped with a filtration unit; passing the organic solvent based ruthenium precursor through the column in order to allow at least a portion of the impurities in the solvent based ruthenium precursor to be adsorbed by the one or more drying agents, said passing of the solvent based ruthenium precursor taking place under a blanket of inert gas; and further passing the ruthenium precursor through the filtration unit in order ro remove any residual particles that may result from the passage of the ruthenium precursor through the column containing the one or more drying agents in order to obtain a purified ruthenium precursor. | 05-13-2010 |
20100189898 | MANUFACTURING OF ADDUCT FREE ALKALINE-EARTH METAL Cp COMPLEXES - Methods and compositions for the deposition of a metal containing film on a substrate. The film is deposited with a substantially adduct free precursor which is prepared by a process to remove the adduct from an adducted starting material. | 07-29-2010 |
20120231180 | PROCESS OF PURIFYING RUTHENIUM PRECURSORS - Disclosed are methods of purifying a ruthenium containing precursor by removing oxygen from the ruthenium containing precursor by flowing an inert gas through the ruthenium containing precursor. Also disclosed are methods of forming an improved ruthenium containing film using the purified ruthenium containing precursor. | 09-13-2012 |