Kemet Electronics Corporation

Medtronic, Inc.

Other

Motorola Corporation

Medtronics, Inc.

John Tony Kinard

Brian John Melody

David Alexander Wheeler

Philip Michael Lessner

Albert Kennedy Harrington

Randolph Stephen Hahn

Joachim Hossick Schott

Duane Earl Stenzinger

Antony P Chacko

John Daniel Norton

Joachim Hossick-Schott

Chris Stolarski

Daniel Francis Persico

Keith Lee Moore

Qingping Chen

Mark Edward Viste

Erik Karlsen Reed

Yaru Shi

John Joseph Ols

Robert Ramsbottom

Kim Pritchard

Phillip Michael Lessner

Gregory Joseph Dunn

Robert T Croswell

Randy Hahn

Tsung-Yuan Su

Remy J Chelini

Chris Wayne

Alethia Melody

Zhi Fang

Anita Melody, Legal Representative

Christian S Nielsen

Anthony W Rorvick

Jeffrey Poltorak

John D Prymak

Brandon Summey

Peter J Fernstrom

Terrance B Tripp

David W Jacobs

Keith R Brenneman

Veeriya Rajasekaran

Elisabeth Crittendon Key

Kimberly Lynn Pritchard

Joao Candeias

John D Henley

Guy Cornelius Scibenas Van Natta, Jr

Michael John Maich

Duane Earl Stenziner

Brian I Melody

John Piper

John D Henley, Jr

Shelby J Poore

Jeffery P Poltorak

Eric Zediak

A capacitor, and method for making the capacitor, is provided with improved charging characteristics. The capacitor has an anode, a cathode comprising a conductive polymer layer and a work function modifier layer adjacent the conductive polymer layer and a dielectric layer between the anode and the cathode.

Capacitor with charge time reducing additives and work function modifiers

An improved capacitor is provided wherein the improved capacitor has improved ESR. The capacitor has a fluted anode and an anode wire extending from the fluted anode. A dielectric is on the fluted anode. A conformal cathode is on the dielectric and a plated metal layer is on the carbon layer.

Low ESR capacitor

A capacitor with improved ESR and improved volumetric efficiency. The capacitor has an anode body wherein the anode body comprises a face and an inward offset which is inset from the face by a distance. An anode wire extends from a front side of the anode body wherein the front side is adjacent the face. A dielectric is on the anode body and a conductive cathode layer is on the dielectric. A cathode lead is in the inward offset and in electrical contact with the conductive cathode layer wherein the conductive cathode layer is between the cathode lead and the inward offset.

Anode geometry with improved volumetric efficiency and improved ESR

A method of reforming a wet-tantalum capacitor includes providing a medical device comprising a wet-tantalum capacitor. The capacitor has a rated voltage and including a hydrated anodic deposit. The method further includes charging the capacitor to a voltage that is less than approximately seventy-five percent of the rated voltage and at least partially discharging the capacitor after the charging step. The charging step is performed at a sufficient voltage to dehydrate the anodic deposit while not significantly decreasing the service life of the capacitor.

Capacitor reformation method and apparatus

A method of making an electrolytic capacitor includes providing a first electrode that includes a metal substrate, a carbide layer, and a carbonaceous material. The metal substrate includes a metal selected from the group consisting of titanium, aluminum, tantalum, niobium, zirconium, silver, steel, and alloys and combinations thereof. The method further includes providing a second electrode and an electrolyte.

Method of producing a capacitor

Wet-tantalum reformation method and apparatus

A method of reforming a wet-tantalum capacitor is disclosed. The method comprises charging the capacitor to a voltage that is substantially less than one of a maximum and rated voltage for the capacitor. The method also comprises providing an open circuit condition and allowing the capacitor to at least partially discharge through leakage current.

Wet tantalum reformation method and apparatus

An improved method for forming a capacitor. The method includes providing a carrier with a channel therein, providing a metal foil with a valve metal with a first dielectric on a first face of the metal foil, securing the metal foil into the channel with the first dielectric away from a channel floor, inserting an insulative material between the metal foil and each side wall of the channel, forming a cathode layer on the first dielectric between the insulative material, forming a conductive layer on the cathode layer and in electrical contact with the carrier, lap cutting the carrier parallel to the metal foil such that the valve metal is exposed, and dice cutting to form singulated capacitors.

Channel method for forming a capacitor

A capacitor comprising an aluminum anode and a dielectric layer comprising phosphate doped aluminum oxide and process for making the capacitor. The capacitor has a CV Product of at least 9 &#x3bc;F&#x2212;V/cmat 250 volts. Furthermore, the capacitor is formed by the process of: forming an aluminum plate; contacting the plate with an anodizing solution comprising glycerine, 0.1 to 1.0%, by weight, water and 0.01 to 0.5%, by weight, orthophosphate; applying a voltage to the aluminum plate and determining an initial current; maintaining the first voltage until a first measured current is no more than 50% of the initial current; increasing the voltage and redetermining the initial current; maintaining the increased voltage until a second measured current is no more than 50% of the redetermined initial current, and continuing the increasing of the voltage and maintaining the increased voltage until a final voltage is achieved.

Method of making a capacitor by anodizing aluminum foil in a glycerine-phosphate electrolyte without a pre-anodizing hydration step

An improved method for forming a capacitor. The method includes the steps of: providing a metal foil; forming a dielectric on the metal foil; applying a non-conductive polymer dam on the dielectric to isolate discrete regions of the dielectric; forming a cathode in at least one discrete region of the discrete regions on the dielectric; and cutting the metal foil at the non-conductive polymer dam to isolate at least one capacitor comprising one cathode, one discrete region of the dielectric and a portion of the metal foil with the discrete region of the dielectric.

Thin solid electrolytic capacitor embeddable in a substrate

An electrolyte solution for anodizing a metal and a capacitor comprising the anodized metal. The electrolyte comprises more than about 5%, by weight, and less than about 30%, by weight, water; about 0.1 to 20%, by weight, ionogen and an aprotic polar solvent. The ionogen comprises phosphoric acid and an alkanol amine in an amount, and ratio, sufficient to maintain a pH of about 4 to about 9.

Method of anodizing valve metal derived anode bodies and electrolyte therefore

A capacitor includes a container, a positive electrode, a negative electrode, and a fluid electrolyte. The positive electrode includes a metal substrate and an active material provided in contact with the metal substrate. The active material includes at least one of poly(ethylene 3,4-dioxythiophene) and a titanate.

Capacitor

A therapeutic medical device system comprising an electrolytic capacitor including an anode, cathode and an electrolyte. The anode is anodized in an electrolyte comprises an aqueous solution of alkanol amine, phosphoric acid and an organic solvent preferably defined by formula 1:CH&#x2014;(OCHCH)&#x2014;OCH&#x2003;&#x2003;Formula 1wherein m is an integer from 3 to 10.

Method for fabricating a medical device that includes a capacitor that does not require oxide reformation

Growing community of inventors

Greer, SC, United States of America

John Tony Kinard