Patents by Inventor Albert Kennedy Harrington
Albert Kennedy Harrington 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).
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Patent number: 7780835Abstract: 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 ?F?V/cm2 at 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.Type: GrantFiled: April 22, 2009Date of Patent: August 24, 2010Assignee: Kemet Electronics CorporationInventors: John Tony Kinard, Brian John Melody, David Alexander Wheeler, Duane Earl Stenzinger, Albert Kennedy Harrington
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Publication number: 20090205970Abstract: 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 ?F?V/cm2 at 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.Type: ApplicationFiled: April 22, 2009Publication date: August 20, 2009Inventors: John Tony Kinard, Brian John Melody, David Alexander Wheeler, Duane Earl Stenzinger, Albert Kennedy Harrington
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Publication number: 20080280153Abstract: An anodizing solution, and method of anodizing, comprising suspending at least one aluminium substrate in an anodizing solution and applying an anodizing current to the anodizing solution. The anodizing solution comprises 0.01-5%, by weight, sodium silicate and 0.01-5%, by weight, ?-amino acid.Type: ApplicationFiled: July 18, 2008Publication date: November 13, 2008Inventors: John Tony Kinard, Brian John Melody, Albert Kennedy Harrington, David Alexander Wheeler
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Patent number: 7342773Abstract: A capacitor comprising an aluminum anode and a dielectric layer comprising phosphate doped aluminum oxide and process for making the capacitor. Furthermore, the capacitor is formed by the process of: forming an aluminum plate; pre-hydrating the aluminum; 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.Type: GrantFiled: February 10, 2006Date of Patent: March 11, 2008Assignee: Kemet Electronics CorporationInventors: Albert Kennedy Harrington, John Tony Kinard, Brian John Melody, David Alexander Wheeler, Duane Earl Stenzinger
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Patent number: 7125429Abstract: A method of protecting surface mount capacitors from moisture and oxygen corrosion by applying a thermally curable pre-coat resin to a portion of the terminals of a capacitor and encapsulating the capacitor element(s) with a protective resin. The pre-coat resin is substantially rigid at ambient temperatures and flexible at elevated temperatures and is preferably a lactone-containing epoxy resin. The pre-coat resin may be applied to a solder coating-free portion of the terminals by brush or wiper prior to encapsulating the capacitor element(s) with the protective resin.Type: GrantFiled: January 19, 2004Date of Patent: October 24, 2006Assignee: Kemet Electronics CorporationInventors: Brian John Melody, John Tony Kinard, Daniel F. Persico, Chris Stolarski, Phillip Michael Lessner, Qingping Chen, Kim Pritchard, Albert Kennedy Harrington, David Alexander Wheeler
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Patent number: 7125610Abstract: 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 ?F-V/cm2 at 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.Type: GrantFiled: March 17, 2003Date of Patent: October 24, 2006Assignee: Kemet Electronics CorporationInventors: John Tony Kinard, Anita Melody, legal representative, David Alexander Wheeler, Duane Earl Stenzinger, Albert Kennedy Harrington, Brian John Melody, deceased
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Patent number: 6845004Abstract: A method of protecting surface mount capacitors from moisture and oxygen corrosion by applying a thermally curable pre-coat resin to a portion of the terminals of a capacitor and encapsulating the capacitor element(s) with a protective resin. The pre-coat resin is substantially rigid at ambient temperatures and flexible at elevated temperatures and is preferably a lactone-containing epoxy resin. The pre-coat resin may be applied to a solder coating-free portion of the terminals by brush or wiper prior to encapsulating the capacitor element(s) with the protective resin.Type: GrantFiled: February 12, 2003Date of Patent: January 18, 2005Assignee: Kemet Electronics CorporationInventors: Brian John Melody, John Tony Kinard, Daniel F. Persico, Chris Stolarski, Phillip Michael Lessner, Qingping Chen, Kim Pritchard, Albert Kennedy Harrington, David Alexander Wheeler
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Patent number: 6808615Abstract: Aluminum surface mount capacitors containing one or more anode foil coupons are initially anodized in an aqueous phosphate solution in order to produce an anodic oxide film having extreme resistance to hydration and attack by corrosive anions for the purpose of producing surface mount capacitors at high yield and of high stability.Type: GrantFiled: July 12, 2002Date of Patent: October 26, 2004Assignee: Kemet Electronics CorporationInventors: Philip Michael Lessner, Brian John Melody, John Tony Kinard, Erik Karlsen Reed, Albert Kennedy Harrington, Daniel F. Persico, David Alexander Wheeler
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Publication number: 20040188269Abstract: A capacitor comprising an aluminum anode and a dielectric layer comprising phosphate doped aluminum oxide and process for making the capacitor. Furthermore, the capacitor is formed by the process of: forming an aluminum plate; pre-hydrating the aluminum; 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.Type: ApplicationFiled: September 29, 2003Publication date: September 30, 2004Inventors: Albert Kennedy Harrington, John Tony Kinard, Brian John Melody, David Alexander Wheeler, Duane Earl Stenzinger
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Patent number: 6798645Abstract: A method of protecting surface mount capacitors from moisture and oxygen corrosion by applying a thermally curable pre-coat resin to a portion of the terminals of a capacitor and encapsulating the element(s) with a protective resin. The pre-coat resin is substantially rigid at ambient temperatures and flexible at elevated temperatures and is preferably a lactone-containing epoxy resin. The pre-coat resin may be applied to a solder coating-free portion of the terminals by brush or wiper prior to encapsulating the capacitor element(s) with the protective resin.Type: GrantFiled: January 16, 2004Date of Patent: September 28, 2004Assignee: Kemet Electronics Corp.Inventors: Brian John Melody, John Tony Kinard, Daniel F. Persico, Chris Stolarski, Phillip Michael Lessner, Qingping Chen, Kim Pritchard, Albert Kennedy Harrington, David Alexander Wheeler
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Publication number: 20040182717Abstract: 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 &mgr;F-V/cm2 at 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.Type: ApplicationFiled: March 17, 2003Publication date: September 23, 2004Inventors: John Tony Kinard, Brian John Melody, David Alexander Wheeler, Duane Earl Stenzinger, Albert Kennedy Harrington
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Publication number: 20040156165Abstract: A method of protecting surface mount capacitors from moisture and oxygen corrosion by applying a thermally curable pre-coat resin to a portion of the terminals of a capacitor and encapsulating the capacitor element(s) with a protective resin. The pre-coat resin is substantially rigid at ambient temperatures and flexible at elevated temperatures and is preferably a lactone-containing epoxy resin. The pre-coat resin may be applied to a solder coating-free portion of the terminals by brush or wiper prior to encapsulating the capacitor element(s) with the protective resin.Type: ApplicationFiled: January 16, 2004Publication date: August 12, 2004Inventors: Brian John Melody, John Tony Kinard, Daniel F. Persico, Chris Stolarski, Phillip Michael Lessner, Qingping Chen, Kim Pritchard, Albert Kennedy Harrington, David Alexander Wheeler
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Publication number: 20040157400Abstract: A method of protecting surface mount capacitors from moisture and oxygen corrosion by applying a thermally curable pre-coat resin to a portion of the terminals of a capacitor and encapsulating the capacitor element(s) with a protective resin. The pre-coat resin is substantially rigid at ambient temperatures and flexible at elevated temperatures and is preferably a lactone-containing epoxy resin. The pre-coat resin may be applied to a solder coating-free portion of the terminals by brush or wiper prior to encapsulating the capacitor element(s) with the protective resin.Type: ApplicationFiled: February 12, 2003Publication date: August 12, 2004Inventors: Brian John Melody, John Tony Kinard, Daniel F. Persico, Chris Stolarski, Phillip Michael Lessner, Qingping Chen, Kim Pritchard, Albert Kennedy Harrington, David Alexander Wheeler
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Publication number: 20040154149Abstract: A method of protecting surface mount capacitors from moisture and oxygen corrosion by applying a thermally curable pre-coat resin to a portion of the terminals of a capacitor and encapsulating the capacitor element(s) with a protective resin. The pre-coat resin is substantially rigid at ambient temperatures and flexible at elevated temperatures and is preferably a lactone-containing epoxy resin. The pre-coat resin may be applied to a solder coating-free portion of the terminals by brush or wiper prior to encapsulating the capacitor element(s) with the protective resin.Type: ApplicationFiled: January 19, 2004Publication date: August 12, 2004Inventors: Brian John Melody, John Tony Kinard, Daniel F. Persico, Chris Stolarski, Phillip Michael Lessner, Qingping Chen, Kim Pritchard, Albert Kennedy Harrington, David Alexander Wheeler
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Publication number: 20040140221Abstract: An anodizing solution, and method of anodizing, comprising suspending at least one aluminium substrate in an anodizing solution and applying an anodizing current to the anodizing solution. The anodizing solution comprises 0.01-5%, by weight, sodium silicate and 0.01-5%, by weight, &agr;-amino acid.Type: ApplicationFiled: January 21, 2003Publication date: July 22, 2004Inventors: John Tony Kinard, Brian John Melody, Albert Kennedy Harrington, David Alexander Wheeler
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Patent number: 6744621Abstract: A solid electrolytic capacitor comprising a foil coated with a dielectric oxide film, wherein the coated foil has slit or cut edges, and the slit or cut edges have been reformed by forming the foil in an aqueous citrate electrolyte, then depolarizing the foil, and then forming the foil in an aqueous phosphate electrolyte wherein the foil is not anodized in an aqueous acid electrolyte prior to forming the foil in an aqueous citrate electrolyte.Type: GrantFiled: March 6, 2003Date of Patent: June 1, 2004Assignee: Kemet Electronics CorporationInventors: Philip Michael Lessner, Albert Kennedy Harrington, Brian John Melody, John Tony Kinard
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Patent number: 6721169Abstract: Separator paper comprising paper impregnated with soluble silicate. The soluble silicate may be applied to the separator paper by immersing the paper into an aqueous solution of the soluble silicate or by spraying with an aqueous solution of the soluble silicate. In a preferred embodiment, the soluble silicate is sodium silicate. An electrolytic capacitor comprising an electrolytic solution, at least one anode foil, at least one cathode foil, and separator paper between the at least one anode foil and at least one cathode foil, wherein the separator paper comprises paper impregnated with a soluble silicate.Type: GrantFiled: June 19, 2002Date of Patent: April 13, 2004Assignee: Kemet Electronics CorporationInventors: Brian John Melody, John Tony Kinard, Guy Cornelius Scibenas Van Natta, Jr., Albert Kennedy Harrington, David Alexander Wheeler
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Patent number: 6707663Abstract: A solid electrolytic capacitor comprising a foil coated with a dielectric oxide film, wherein the coated foil has slit or cut edges, and the slit or cut edges have been reformed by anodizing the foil in an aqueous oxalic acid electrolyte, then forming the foil in an aqueous citrate electrolyte, then depolarizing the foil, and then forming the foil in an aqueous phosphate electrolyte.Type: GrantFiled: March 6, 2003Date of Patent: March 16, 2004Assignee: Kemet Electronics CorporationInventors: Daniel Francis Persico, Philip Michael Lessner, Albert Kennedy Harrington, Lisa Ann Sayetta
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Publication number: 20030235024Abstract: Separator paper comprising paper impregnated with soluble silicate. The soluble silicate may be applied to the separator paper by immersing the paper into an aqueous solution of the soluble silicate or by spraying with an aqueous solution of the soluble silicate. In a preferred embodiment, the soluble silicate is sodium silicate. An electrolytic capacitor comprising an electrolytic solution, at least one anode foil, at least one cathode foil, and separator paper between the at least one anode foil and at least one cathode foil, wherein the separator paper comprises paper impregnated with a soluble silicate.Type: ApplicationFiled: June 19, 2002Publication date: December 25, 2003Applicant: KEMET ELECTRONICS CORPORATIONInventors: Brian John Melody, John Tony Kinard, Guy Cornelius Scibenas Van Natta,, Albert Kennedy Harrington, David Alexander Wheeler
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Publication number: 20030224110Abstract: An oxidizer solution for preparing conductive polymers, the solution comprising: at least one oxidizing agent; at least one buffering agent; and at least one solvent; wherein the pH of the oxidizer solution is about 2 or greater. A process of preparing a conductive polymer layer on an anodized surface of an aluminum substrate comprising i) dipping the substrate in an oxidizer solution, ii) drying, and iii) dipping the substrate in a monomer solution and polymerizing; wherein the oxidizer solution comprises at least one oxidizing agent; at least one buffering agent; and at least one solvent, wherein the pH of the oxidizer solution is about 2 or greater. Additional buffering agent is added to the oxidizer solution during the process of preparing the conductive polymer to maintain the pH at 2 or greater.Type: ApplicationFiled: June 3, 2002Publication date: December 4, 2003Applicant: KEMET ELECTRONICS CORPORATIONInventors: Philip Michael Lessner, Peter James Fernstrom, Albert Kennedy Harrington, Brian John Melody, John Tony Kinard