Fabrication of chopper for particle beam instrument
The present invention relates generally to a method for manufacturing a grid for gating a stream of charged particles. A technique for providing a grid for a gate such as utilized in gating a stream of ions or other particles in a spectrometer instrument. The grid of wires may, for example, be a so-...
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creator | LeCursi, Nicholas LeGore, Lawrence J Jackson, III, Robert H Crothers, C. Bronson H Kleban, Peter H Frederick, Brian G |
description | The present invention relates generally to a method for manufacturing a grid for gating a stream of charged particles.
A technique for providing a grid for a gate such as utilized in gating a stream of ions or other particles in a spectrometer instrument. The grid of wires may, for example, be a so-called Bradbury-Nielson Gate that consists of a set of two electrically isolated sets of equally spaced wires that lie substantially in the same plane and alternate in potential. The method utilized to provide is to first fabricate a frame of an insulating substrate having a hole and depositing metal film patterns such that conductive portions are formed on either side of the hole. Conductive portions on either side form a series of terminating pads on the portion of the substrate closest to the hole and a bus bar. Grid wires are then formed by stretching a section of wire with desired constant tension across the hole and bonding the ends of the wire to a respective one of the pads on one side and bus bar on the other side. The method provides a rapid, inexpensive way to fabricate such modulating devices. |
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A technique for providing a grid for a gate such as utilized in gating a stream of ions or other particles in a spectrometer instrument. The grid of wires may, for example, be a so-called Bradbury-Nielson Gate that consists of a set of two electrically isolated sets of equally spaced wires that lie substantially in the same plane and alternate in potential. The method utilized to provide is to first fabricate a frame of an insulating substrate having a hole and depositing metal film patterns such that conductive portions are formed on either side of the hole. Conductive portions on either side form a series of terminating pads on the portion of the substrate closest to the hole and a bus bar. Grid wires are then formed by stretching a section of wire with desired constant tension across the hole and bonding the ends of the wire to a respective one of the pads on one side and bus bar on the other side. The method provides a rapid, inexpensive way to fabricate such modulating devices.</description><language>eng</language><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6781120$$EPDF$$P50$$Guspatents$$Hfree_for_read</linktopdf><link.rule.ids>230,308,780,802,885,64039</link.rule.ids><linktorsrc>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6781120$$EView_record_in_USPTO$$FView_record_in_$$GUSPTO$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LeCursi, Nicholas</creatorcontrib><creatorcontrib>LeGore, Lawrence J</creatorcontrib><creatorcontrib>Jackson, III, Robert H</creatorcontrib><creatorcontrib>Crothers, C. Bronson H</creatorcontrib><creatorcontrib>Kleban, Peter H</creatorcontrib><creatorcontrib>Frederick, Brian G</creatorcontrib><creatorcontrib>University of Maine</creatorcontrib><creatorcontrib>Stillwater Scientific Instruments</creatorcontrib><title>Fabrication of chopper for particle beam instrument</title><description>The present invention relates generally to a method for manufacturing a grid for gating a stream of charged particles.
A technique for providing a grid for a gate such as utilized in gating a stream of ions or other particles in a spectrometer instrument. The grid of wires may, for example, be a so-called Bradbury-Nielson Gate that consists of a set of two electrically isolated sets of equally spaced wires that lie substantially in the same plane and alternate in potential. The method utilized to provide is to first fabricate a frame of an insulating substrate having a hole and depositing metal film patterns such that conductive portions are formed on either side of the hole. Conductive portions on either side form a series of terminating pads on the portion of the substrate closest to the hole and a bus bar. Grid wires are then formed by stretching a section of wire with desired constant tension across the hole and bonding the ends of the wire to a respective one of the pads on one side and bus bar on the other side. The method provides a rapid, inexpensive way to fabricate such modulating devices.</description><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EFH</sourceid><recordid>eNrjZDB2S0wqykxOLMnMz1PIT1NIzsgvKEgtUkjLL1IoSCwqyUzOSVVISk3MVcjMKy4pKs1NzSvhYWBNS8wpTuWF0twMCm6uIc4euqXFBYklQAXF8elFiSDKwMzcwtDQyMCYCCUA2U4taw</recordid><startdate>20040824</startdate><enddate>20040824</enddate><creator>LeCursi, Nicholas</creator><creator>LeGore, Lawrence J</creator><creator>Jackson, III, Robert H</creator><creator>Crothers, C. Bronson H</creator><creator>Kleban, Peter H</creator><creator>Frederick, Brian G</creator><scope>EFH</scope></search><sort><creationdate>20040824</creationdate><title>Fabrication of chopper for particle beam instrument</title><author>LeCursi, Nicholas ; LeGore, Lawrence J ; Jackson, III, Robert H ; Crothers, C. Bronson H ; Kleban, Peter H ; Frederick, Brian G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-uspatents_grants_067811203</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2004</creationdate><toplevel>online_resources</toplevel><creatorcontrib>LeCursi, Nicholas</creatorcontrib><creatorcontrib>LeGore, Lawrence J</creatorcontrib><creatorcontrib>Jackson, III, Robert H</creatorcontrib><creatorcontrib>Crothers, C. Bronson H</creatorcontrib><creatorcontrib>Kleban, Peter H</creatorcontrib><creatorcontrib>Frederick, Brian G</creatorcontrib><creatorcontrib>University of Maine</creatorcontrib><creatorcontrib>Stillwater Scientific Instruments</creatorcontrib><collection>USPTO Issued Patents</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LeCursi, Nicholas</au><au>LeGore, Lawrence J</au><au>Jackson, III, Robert H</au><au>Crothers, C. Bronson H</au><au>Kleban, Peter H</au><au>Frederick, Brian G</au><aucorp>University of Maine</aucorp><aucorp>Stillwater Scientific Instruments</aucorp><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Fabrication of chopper for particle beam instrument</title><date>2004-08-24</date><risdate>2004</risdate><abstract>The present invention relates generally to a method for manufacturing a grid for gating a stream of charged particles.
A technique for providing a grid for a gate such as utilized in gating a stream of ions or other particles in a spectrometer instrument. The grid of wires may, for example, be a so-called Bradbury-Nielson Gate that consists of a set of two electrically isolated sets of equally spaced wires that lie substantially in the same plane and alternate in potential. The method utilized to provide is to first fabricate a frame of an insulating substrate having a hole and depositing metal film patterns such that conductive portions are formed on either side of the hole. Conductive portions on either side form a series of terminating pads on the portion of the substrate closest to the hole and a bus bar. Grid wires are then formed by stretching a section of wire with desired constant tension across the hole and bonding the ends of the wire to a respective one of the pads on one side and bus bar on the other side. The method provides a rapid, inexpensive way to fabricate such modulating devices.</abstract><oa>free_for_read</oa></addata></record> |
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title | Fabrication of chopper for particle beam instrument |
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