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Haiyan Zhang

Haiyan Zhang, Woodbury, MN US

Patent application numberDescriptionPublished
20090023587METHOD OF PATTERNING A SUBSTRATE - A method of forming a metallic material on a receptor that includes the steps of: placing a donor element proximate a receptor, wherein the donor element includes a donor substrate and a thermal transfer layer, wherein the thermal transfer layer includes a catalytic material, and wherein the thermal transfer layer of the donor element is placed proximate the surface of the receptor; thermally transferring at least a portion of the thermal transfer layer from the donor element to the receptor; and electrolessly depositing a metallic material on the receptor by growth of the metallic material on the catalytic material.01-22-2009
20090122310METHOD OF MAKING MICROARRAYS - Provided is a method of making microarrays that includes providing a substrate with discrete first microfeatures that have a first profile, and depositing vapor-coated materials onto the first microfeatures to form second microfeatures having a second profile that is substantially different from the first profile. Also provided is a method of adding a replication material to the vapor-coated microfeatures to form a mold. Microarrays made by this method can be used as substrates for surface-enhanced Raman spectroscopy (SERS).05-14-2009
20100062226SURFACE-ENHANCED SPECTROSCOPIC METHOD, FLEXIBLE STRUCTURED SUBSTRATE, AND METHOD OF MAKING THE SAME - A method of obtaining a surface-enhanced optical property of an analyte using a flexible structured substrate having a metal layer conformably disposed on nanostructure, a flexible structured substrate, and a method of making the same.03-11-2010
20100285231APPARATUS AND METHOD FOR PRODUCING TWO-SIDED PATTERNED WEB IN REGISTRATION - An apparatus for casting a patterned surface on both sides of an opaque web. The apparatus includes a first patterned roll, a second pattered roll, and a means for rotating the first and second patterned rolls such that their patterns are transferred to opposite sides of the opaque web while it is in continuous motion. During this process, their patterns are maintained in continuous registration to within at least 100 micrometers.11-11-2010
20100302479OPTICAL ARTICLE - The invention provides optical articles (12-02-2010
20110104321METHOD FOR REPLICATING MASTER MOLDS - The disclosure provides a method of replicating a master using a patterned silicone daughter mold, from a master mold, the daughter mold having a layer of a ductile metal on the patterned surface thereof.05-05-2011
20110198781METHODS FOR CHANGING THE SHAPE OF A SURFACE OF A SHAPE MEMORY POLYMER ARTICLE - Methods for changing the shape of a surface of an article are disclosed. The methods may include providing a liquid polymer precursor, casting the precursor against a first tool assembly, curing the precursor to form a shape memory polymer substrate, deforming one or more surfaces of the substrate, and mobilizing the shape memory polymer to shift the deformed surface of the substrate from a deformed shape to a pre-set shape.08-18-2011

Patent applications by Haiyan Zhang, Woodbury, MN US

Haiyan Zhang, Shenzhen CN

Patent application numberDescriptionPublished
20090161560NODE, METHOD AND SYSTEM OF FAULT LOCALIZATION IN MULTICAST MPLS NETWORKS - A multicast MPLS networks node in network communication field and a method and a system for fault localization are provided. The method includes a step that a leaf node judges the connectivity of a multicast path; a root node generates a fault localization message to perform fault localization for a fault branch after learning the branch where the fault is located in accordance with the judgment result of the leaf node. An embodiment of the present invention further provides a fault localization system for Multicast MPLS networks, which includes a connectivity checking module, a root node learning module, a node reply module and a fault localization module. The technical solution in the embodiment of the present invention restrains unnecessary message, reduces redundant information, and improves network efficiency by carrying the information of the fault branch in the fault localization message to perform fault localization only for the fault branch.06-25-2009
20090185478METHOD AND NODE FOR IMPLEMENTING MULTICAST FAST REROUTE - A method for implementing multicast fast reroute includes: determining a route for a backup LSP according to the tree topology of a point-to-multipoint primary LSP and establishing the backup LSP according to the determined route for the backup LSP. In the process of establishing the backup LSP, messages for the primary LSP and its corresponding backup LSPs are further merged to decrease the number of network signaling states. A node includes a transceiver unit and a backup LSP path establishing unit. The present invention can save protection bandwidth, optimize network resource utilization, and enhance utilization efficiency of resources.07-23-2009
20090185482METHOD AND SYSTEM FOR PROTECTION SWITCHING DECISION - A method for protection switching decision includes: performing performance monitoring and failure detection on a first transmitting entity that transmits services; performing performance monitoring and failure detection on a second transmitting entity that does not transmit services; and making protection switching decision according to the performance monitoring and failure detection results of the first transmitting entity and second transmitting entity. A system for performance monitoring is also disclosed. In embodiments of the present invention, performance monitoring may be performed on the transmitting entity that does not transmit services, thus avoiding invalid switching of services and improving the quality of services.07-23-2009
20110038258METHOD AND SYSTEM FOR SERVICE PROTECTION - A method for service protection is disclosed, which is applied to a 1:n switching technique. The method includes the following steps. A source end sends a service to a work transmission entity, the work transmission entity performs performance monitoring through the transmitted service, a sink end receives the service from the work transmission entity; when a Signal Degrade (SD) fault occurs at the work transmission entity, the source end sends the service to the work transmission entity and a protection transmission entity simultaneously, and the sink end selects to receive the service from the protection transmission entity; the protection transmission entity performs the performance monitoring through the transmitted service; when the SD fault occurs at both the work transmission entity and the protection transmission entity, the sink end still receives the service from the protection transmission entity. A system for service protection is also disclosed. Technical solutions enable the service to get valid protection during the transmission process, and avoid frequent switching of the service, thereby improving the service quality.02-17-2011

Haiyan Zhang, Chuangchun City CN

Patent application numberDescriptionPublished
20110312486Alkali-Free Synthesis of Zeolitic Materials of the LEV-Type Structure - Described is a process for the production of a zeolitic material having an LEV-type framework structure comprising YO12-22-2011

Haiyan Zhang, Jilin CN

Patent application numberDescriptionPublished
20110313226Zeolitic Materials of the LEV-Type Structure And Methods For Their Production - Described is a process for the production of a zeolitic material having an LEV-type framework structure comprising YO12-22-2011