Method for forming microscopic 3D structures
A method for forming microscopic 3D structures. In the method according to the invention a substrate (105) is placed in a Scanning Electron Microscope (SEM). The SEM is equipped with a Gas Injection System (GIS) (110) for directing a jet of precursor fluid to the substrate. The substrate is cooled b...
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| creator | MULDERS JOHANNES JACOBUS LAMBERTUS VAN VILSTEREN CARMEN FRANCISCA MARIA FABER JACOB SIMON DE JONG ALAN FRANK |
| description | A method for forming microscopic 3D structures. In the method according to the invention a substrate (105) is placed in a Scanning Electron Microscope (SEM). The SEM is equipped with a Gas Injection System (GIS) (110) for directing a jet of precursor fluid to the substrate. The substrate is cooled below the freezing point of the precursor gas so that a frozen layer of the precursor gas can be applied to the substrate. By now repeatedly applying a frozen layer of the precursor to the substrate and irradiate the frozen layer with an electron beam (102), a stack of frozen layers (130) is built, each layer showing an irradiated part (131) in which the precursor is converted to another material. After applying the last layer the temperature is raised so that the unprocessed precursor (132) can evaporate. As a result 3D structures with overhanging features can be built. |
| format | Patent |
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In the method according to the invention a substrate (105) is placed in a Scanning Electron Microscope (SEM). The SEM is equipped with a Gas Injection System (GIS) (110) for directing a jet of precursor fluid to the substrate. The substrate is cooled below the freezing point of the precursor gas so that a frozen layer of the precursor gas can be applied to the substrate. By now repeatedly applying a frozen layer of the precursor to the substrate and irradiate the frozen layer with an electron beam (102), a stack of frozen layers (130) is built, each layer showing an irradiated part (131) in which the precursor is converted to another material. After applying the last layer the temperature is raised so that the unprocessed precursor (132) can evaporate. 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In the method according to the invention a substrate (105) is placed in a Scanning Electron Microscope (SEM). The SEM is equipped with a Gas Injection System (GIS) (110) for directing a jet of precursor fluid to the substrate. The substrate is cooled below the freezing point of the precursor gas so that a frozen layer of the precursor gas can be applied to the substrate. By now repeatedly applying a frozen layer of the precursor to the substrate and irradiate the frozen layer with an electron beam (102), a stack of frozen layers (130) is built, each layer showing an irradiated part (131) in which the precursor is converted to another material. After applying the last layer the temperature is raised so that the unprocessed precursor (132) can evaporate. 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In the method according to the invention a substrate (105) is placed in a Scanning Electron Microscope (SEM). The SEM is equipped with a Gas Injection System (GIS) (110) for directing a jet of precursor fluid to the substrate. The substrate is cooled below the freezing point of the precursor gas so that a frozen layer of the precursor gas can be applied to the substrate. By now repeatedly applying a frozen layer of the precursor to the substrate and irradiate the frozen layer with an electron beam (102), a stack of frozen layers (130) is built, each layer showing an irradiated part (131) in which the precursor is converted to another material. After applying the last layer the temperature is raised so that the unprocessed precursor (132) can evaporate. As a result 3D structures with overhanging features can be built.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Method for forming microscopic 3D structures |
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