Patents by Inventor Silvie Vilcova
Silvie Vilcova has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 10867753Abstract: A capacitor that is capable of exhibiting good properties under humid conditions is provided. The ability to perform under such conditions is due in part to selective control over the particular nature of the solid electrolyte and cathode coating that overlies the solid electrolyte. For example, the solid electrolyte contains pre-polymerized conductive polymer particles, which can help act as a blocking layer for any silver ions migrating through the capacitor. Likewise, the cathode coating also contains conductive metal particles (e.g., silver particles) that are dispersed within a resinous matrix. The resinous matrix includes a polymer that absorbs only a small amount of water, if any, when placed in a humid atmosphere.Type: GrantFiled: October 11, 2019Date of Patent: December 15, 2020Assignee: AVX CorporationInventors: Ladislav Vile, Silvie Vilcova, Ivan Horacek
-
Publication number: 20200043671Abstract: A capacitor that is capable of exhibiting good properties under humid conditions is provided. The ability to perform under such conditions is due in part to selective control over the particular nature of the solid electrolyte and cathode coating that overlies the solid electrolyte. For example, the solid electrolyte contains pre-polymerized conductive polymer particles, which can help act as a blocking layer for any silver ions migrating through the capacitor. Likewise, the cathode coating also contains conductive metal particles (e.g., silver particles) that are dispersed within a resinous matrix. The resinous matrix includes a polymer that absorbs only a small amount of water, if any, when placed in a humid atmosphere.Type: ApplicationFiled: October 11, 2019Publication date: February 6, 2020Inventors: Ladislav Vilc, Silvie Vilcova, Ivan Horacek
-
Patent number: 10475591Abstract: A capacitor that is capable of exhibiting good properties under humid conditions is provided. The ability to perform under such conditions is due in part to selective control over the particular nature of the solid electrolyte and cathode coating that overlies the solid electrolyte. For example, the solid electrolyte contains pre-polymerized conductive polymer particles, which can help act as a blocking layer for any silver ions migrating through the capacitor. Likewise, the cathode coating also contains conductive metal particles (e.g., silver particles) that are dispersed within a resinous matrix. The resinous matrix includes a polymer that absorbs only a small amount of water, if any, when placed in a humid atmosphere.Type: GrantFiled: November 13, 2017Date of Patent: November 12, 2019Assignee: AVX CorporationInventors: Ladislav Vilc, Silvie Vilcova, Ivan Horacek
-
Publication number: 20180137988Abstract: A capacitor that is capable of exhibiting good properties under humid conditions is provided. The ability to perform under such conditions is due in part to selective control over the particular nature of the solid electrolyte and cathode coating that overlies the solid electrolyte. For example, the solid electrolyte contains pre-polymerized conductive polymer particles, which can help act as a blocking layer for any silver ions migrating through the capacitor. Likewise, the cathode coating also contains conductive metal particles (e.g., silver particles) that are dispersed within a resinous matrix. The resinous matrix includes a polymer that absorbs only a small amount of water, if any, when placed in a humid atmosphere.Type: ApplicationFiled: November 13, 2017Publication date: May 17, 2018Inventors: Ladislav Vilc, Silvie Vilcova, Ivan Horacek
-
Patent number: 8747489Abstract: A solid electrolytic capacitor that contains an anode body formed from an electrically conductive powder and a dielectric coating located over and/or within the anode body is provided. The powder may have a high specific charge and in turn a relative dense packing configuration. Despite being formed from such a powder, a manganese precursor solution can be readily impregnated into the pores of the anode. This is accomplished, in part, through the use of a dispersant in the precursor solution that helps minimize the likelihood that the manganese oxide precursor will form droplets upon contacting the surface of the dielectric. Instead, the precursor solution can be better dispersed so that the resulting manganese oxide has a “film-like” configuration and coats at least a portion of the anode in a substantially uniform manner.Type: GrantFiled: August 14, 2013Date of Patent: June 10, 2014Assignee: AVX CorporationInventors: Ian Pinwill, David Masheder, Silvie Vilcova, Petr Stojan, Jiri Hurt, Ivan Horacek
-
Patent number: 8619410Abstract: A solid electrolytic capacitor that contains an anode body formed from an electrically conductive powder and a dielectric coating located over and/or within the anode body is provided. The present inventors have discovered a technique that is believed to substantially improve the uniformity and consistency of the manganese oxide layer. This is accomplished, in part, through the use of a dispersant in the precursor solution that helps minimize the likelihood that the manganese oxide precursor will form droplets upon contacting the surface of the dielectric. Instead, the precursor solution can be better dispersed so that the resulting manganese oxide has a “film-like” configuration and coats at least a portion of the anode in a substantially uniform manner. This improves the quality of the resulting oxide as well as its surface coverage, and thereby enhances the electrical performance of the capacitor.Type: GrantFiled: May 31, 2011Date of Patent: December 31, 2013Assignee: AVX CorporationInventors: Ian Pinwill, David Masheder, Silvie Vilcova, Petr Stojan, Jiri Hurt, Ivan Horacek
-
Publication number: 20130335886Abstract: A solid electrolytic capacitor that contains an anode body formed from an electrically conductive powder and a dielectric coating located over and/or within the anode body is provided. The powder may have a high specific charge and in turn a relative dense packing configuration. Despite being formed from such a powder, a manganese precursor solution can be readily impregnated into the pores of the anode. This is accomplished, in part, through the use of a dispersant in the precursor solution that helps minimize the likelihood that the manganese oxide precursor will form droplets upon contacting the surface of the dielectric. Instead, the precursor solution can be better dispersed so that the resulting manganese oxide has a “film-like” configuration and coats at least a portion of the anode in a substantially uniform manner.Type: ApplicationFiled: August 14, 2013Publication date: December 19, 2013Applicant: AVX CorporationInventors: Ian Pinwill, David Masheder, Silvie Vilcova, Petr Stojan, Jiri Hurt, Ivan Horacek
-
Patent number: 8512422Abstract: A solid electrolytic capacitor that contains an anode body formed from an electrically conductive powder and a dielectric coating located over and/or within the anode body is provided. The powder has a high specific charge and in turn a relative dense packing configuration. Despite being formed from such a powder, the present inventors have discovered that a manganese precursor solution (e.g., manganese nitrate) can be readily impregnated into the pores of the anode. This is accomplished, in part, through the use of a dispersant in the precursor solution that helps minimize the likelihood that the manganese oxide precursor will form droplets upon contacting the surface of the dielectric. Instead, the precursor solution can be better dispersed so that the resulting manganese oxide has a “film-like” configuration and coats at least a portion of the anode in a substantially uniform manner.Type: GrantFiled: May 31, 2011Date of Patent: August 20, 2013Assignee: AVX CorporationInventors: Ian Pinwill, David Masheder, Silvie Vilcova, Petr Stojan, Jiri Hurt, Ivan Horacek
-
Patent number: 8339771Abstract: A capacitor containing a solid electrolytic capacitor element and a conductive adhesive disposed between the capacitor element and another optional capacitor element, an electrode termination, or both, is provided. The conductive adhesive contains a plurality of spacer particles that are substantially spherical and have a relatively large diameter. The present inventors have discovered that the use of spacer particles having the desired size and shape can provide multiple benefits to the resulting capacitor. For example, the spacer particles can limit the degree to which the adhesive is compressed during manufacture, thereby ensuring that it will have the minimum thickness needed to achieve a reliable mechanical connection to the desired part. Further, when multiple capacitor elements are employed, the spacer particles can also help ensure that proper spacing is achieved between the different elements upon manufacture of the capacitor.Type: GrantFiled: February 19, 2010Date of Patent: December 25, 2012Assignee: AVX CorporationInventor: Silvie Vilcova
-
Publication number: 20110317335Abstract: A solid electrolytic capacitor that contains an anode body formed from an electrically conductive powder and a dielectric coating located over and/or within the anode body is provided. The powder has a high specific charge and in turn a relative dense packing configuration. Despite being formed from such a powder, the present inventors have discovered that a manganese precursor solution (e.g., manganese nitrate) can be readily impregnated into the pores of the anode. This is accomplished, in part, through the use of a dispersant in the precursor solution that helps minimize the likelihood that the manganese oxide precursor will form droplets upon contacting the surface of the dielectric. Instead, the precursor solution can be better dispersed so that the resulting manganese oxide has a “film-like” configuration and coats at least a portion of the anode in a substantially uniform manner.Type: ApplicationFiled: May 31, 2011Publication date: December 29, 2011Applicant: AVX CORPORATIONInventors: Ian Pinwill, David Masheder, Silvie Vilcova, Petr Stojan, Jiri Hurt, Ivan Horacek
-
Publication number: 20110317334Abstract: A solid electrolytic capacitor that contains an anode body formed from an electrically conductive powder and a dielectric coating located over and/or within the anode body is provided. The present inventors have discovered a technique that is believed to substantially improve the uniformity and consistency of the manganese oxide layer. This is accomplished, in part, through the use of a dispersant in the precursor solution that helps minimize the likelihood that the manganese oxide precursor will form droplets upon contacting the surface of the dielectric. Instead, the precursor solution can be better dispersed so that the resulting manganese oxide has a “film-like” configuration and coats at least a portion of the anode in a substantially uniform manner. This improves the quality of the resulting oxide as well as its surface coverage, and thereby enhances the electrical performance of the capacitor.Type: ApplicationFiled: May 31, 2011Publication date: December 29, 2011Applicant: AVX CORPORATIONInventors: Ian Pinwill, David Masheder, Silvie Vilcova, Petr Stojan, Jiri Hurt, Ivan Horacek
-
Publication number: 20110205689Abstract: A capacitor containing a solid electrolytic capacitor element and a conductive adhesive disposed between the capacitor element and another optional capacitor element, an electrode termination, or both, is provided. The conductive adhesive contains a plurality of spacer particles that are substantially spherical and have a relatively large diameter. The present inventors have discovered that the use of spacer particles having the desired size and shape can provide multiple benefits to the resulting capacitor. For example, the spacer particles can limit the degree to which the adhesive is compressed during manufacture, thereby ensuring that it will have the minimum thickness needed to achieve a reliable mechanical connection to the desired part. Further, when multiple capacitor elements are employed, the spacer particles can also help ensure that proper spacing is achieved between the different elements upon manufacture of the capacitor.Type: ApplicationFiled: February 19, 2010Publication date: August 25, 2011Applicant: AVX CORPORATIONInventor: Silvie Vilcová