SHEET BAR MATERIAL FOR ELECTRICAL AND ELECTRONIC PARTS AND ITS PRODUCTION
PURPOSE:To provide a sheet bar material for electrical and electronic parts which has excellent flatness, hardly generates deformation of leads in a stage for working the material to lead frames and a heat treatment stage after working to the lead frames and is adequate as a lead frame material. CON...
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| creator | MATSUI TAKASHI KANAO KENJI |
| description | PURPOSE:To provide a sheet bar material for electrical and electronic parts which has excellent flatness, hardly generates deformation of leads in a stage for working the material to lead frames and a heat treatment stage after working to the lead frames and is adequate as a lead frame material. CONSTITUTION:A rolled stock 10 is passed twice through a tension leveler. In such a case, the tension (average tension to be applied on this rolled stock 10 is specified to about 15kgf/m so as to maintain specified elongation and the steepness of the rolled stock 10 is confined to |
| format | Patent |
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CONSTITUTION:A rolled stock 10 is passed twice through a tension leveler. In such a case, the tension (average tension to be applied on this rolled stock 10 is specified to about 15kgf/m so as to maintain specified elongation and the steepness of the rolled stock 10 is confined to <=1% in a first tension leveler stage. The tension to be applied on the rolled stock 10 is set at <=1/3 the tension in the first tension leveler stage (for example, 5kgf/mm ) and the sum of the absolute value of the compressive stress and the absolute value of the tensile stress, respectively, in the residual stress distribution of the thickness direction at the section parallel with the rolling direction and the section orthogonal therewith is set at <=12kgf/mm in a second tension leveler stage.</description><edition>6</edition><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CABLES ; CONDUCTORS ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; INSULATORS ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PUNCHING METAL ; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES ; SEMICONDUCTOR DEVICES ; TRANSPORTING ; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><creationdate>1996</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960116&DB=EPODOC&CC=JP&NR=H0810849A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960116&DB=EPODOC&CC=JP&NR=H0810849A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MATSUI TAKASHI</creatorcontrib><creatorcontrib>KANAO KENJI</creatorcontrib><title>SHEET BAR MATERIAL FOR ELECTRICAL AND ELECTRONIC PARTS AND ITS PRODUCTION</title><description>PURPOSE:To provide a sheet bar material for electrical and electronic parts which has excellent flatness, hardly generates deformation of leads in a stage for working the material to lead frames and a heat treatment stage after working to the lead frames and is adequate as a lead frame material. CONSTITUTION:A rolled stock 10 is passed twice through a tension leveler. In such a case, the tension (average tension to be applied on this rolled stock 10 is specified to about 15kgf/m so as to maintain specified elongation and the steepness of the rolled stock 10 is confined to <=1% in a first tension leveler stage. 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CONSTITUTION:A rolled stock 10 is passed twice through a tension leveler. In such a case, the tension (average tension to be applied on this rolled stock 10 is specified to about 15kgf/m so as to maintain specified elongation and the steepness of the rolled stock 10 is confined to <=1% in a first tension leveler stage. The tension to be applied on the rolled stock 10 is set at <=1/3 the tension in the first tension leveler stage (for example, 5kgf/mm ) and the sum of the absolute value of the compressive stress and the absolute value of the tensile stress, respectively, in the residual stress distribution of the thickness direction at the section parallel with the rolling direction and the section orthogonal therewith is set at <=12kgf/mm in a second tension leveler stage.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INSULATORS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SEMICONDUCTOR DEVICES TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL |
| title | SHEET BAR MATERIAL FOR ELECTRICAL AND ELECTRONIC PARTS AND ITS PRODUCTION |
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