SOLID ELECTROLYTIC CAPACITOR
PROBLEM TO BE SOLVED: To improve the adhesion property of a conductive polymer layer to the side of cathode coil and to suppress the reduction in capacitance after aging treatment by forming a coating that is thinner than a formation coating on the side of anode foil at the cathode foil of an indivi...
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| creator | FUJIMOTO KAZUMASA IWANABE SHIYUUETSU NAKANO KIMITOMO INOUE HIROBUMI FUKUYAMA SACHIKO |
| description | PROBLEM TO BE SOLVED: To improve the adhesion property of a conductive polymer layer to the side of cathode coil and to suppress the reduction in capacitance after aging treatment by forming a coating that is thinner than a formation coating on the side of anode foil at the cathode foil of an individual electrolytic capacitor for forming a conductive polymer layer in an element. SOLUTION: A capacitor element 7 is constituted by taking up anode formation foil 1 and counter cathode foil 2 via a separator 3. Anode and cathode lead terminals 51 and 52 are extracted from the anode foil formation 1 and the counter cathode foil 2 via anode and cathode lead bosses 61 and 62. In the anode formation foil 1, foil made of a valve operation metal such as aluminum is subjected to etching treatment for roughening and then a dielectric formation coating is formed. Aluminum is used also as the material of the cathode foil 2, and a formation coating that is thinner than that of the anode foil is formed on the surface. The thickness of the formation coating is nearly proportional to a formation voltage. The formation voltage of the anode foil is set to several to a several voltage to several tens of voltages according to a desired rated voltage or a rated capacitance. |
| format | Patent |
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SOLUTION: A capacitor element 7 is constituted by taking up anode formation foil 1 and counter cathode foil 2 via a separator 3. Anode and cathode lead terminals 51 and 52 are extracted from the anode foil formation 1 and the counter cathode foil 2 via anode and cathode lead bosses 61 and 62. In the anode formation foil 1, foil made of a valve operation metal such as aluminum is subjected to etching treatment for roughening and then a dielectric formation coating is formed. Aluminum is used also as the material of the cathode foil 2, and a formation coating that is thinner than that of the anode foil is formed on the surface. The thickness of the formation coating is nearly proportional to a formation voltage. The formation voltage of the anode foil is set to several to a several voltage to several tens of voltages according to a desired rated voltage or a rated capacitance.</description><edition>7</edition><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CAPACITORS ; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; ELECTRICITY ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2000</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=20000929&DB=EPODOC&CC=JP&NR=2000269089A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000929&DB=EPODOC&CC=JP&NR=2000269089A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FUJIMOTO KAZUMASA</creatorcontrib><creatorcontrib>IWANABE SHIYUUETSU</creatorcontrib><creatorcontrib>NAKANO KIMITOMO</creatorcontrib><creatorcontrib>INOUE HIROBUMI</creatorcontrib><creatorcontrib>FUKUYAMA SACHIKO</creatorcontrib><title>SOLID ELECTROLYTIC CAPACITOR</title><description>PROBLEM TO BE SOLVED: To improve the adhesion property of a conductive polymer layer to the side of cathode coil and to suppress the reduction in capacitance after aging treatment by forming a coating that is thinner than a formation coating on the side of anode foil at the cathode foil of an individual electrolytic capacitor for forming a conductive polymer layer in an element. SOLUTION: A capacitor element 7 is constituted by taking up anode formation foil 1 and counter cathode foil 2 via a separator 3. Anode and cathode lead terminals 51 and 52 are extracted from the anode foil formation 1 and the counter cathode foil 2 via anode and cathode lead bosses 61 and 62. In the anode formation foil 1, foil made of a valve operation metal such as aluminum is subjected to etching treatment for roughening and then a dielectric formation coating is formed. Aluminum is used also as the material of the cathode foil 2, and a formation coating that is thinner than that of the anode foil is formed on the surface. The thickness of the formation coating is nearly proportional to a formation voltage. 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SOLUTION: A capacitor element 7 is constituted by taking up anode formation foil 1 and counter cathode foil 2 via a separator 3. Anode and cathode lead terminals 51 and 52 are extracted from the anode foil formation 1 and the counter cathode foil 2 via anode and cathode lead bosses 61 and 62. In the anode formation foil 1, foil made of a valve operation metal such as aluminum is subjected to etching treatment for roughening and then a dielectric formation coating is formed. Aluminum is used also as the material of the cathode foil 2, and a formation coating that is thinner than that of the anode foil is formed on the surface. The thickness of the formation coating is nearly proportional to a formation voltage. The formation voltage of the anode foil is set to several to a several voltage to several tens of voltages according to a desired rated voltage or a rated capacitance.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTRICITY MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | SOLID ELECTROLYTIC CAPACITOR |
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