Patents by Inventor Howard David Glicksman
Howard David Glicksman 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: 11450447Abstract: This disclosure relates to a method of manufacturing an electrically conductive thick film comprising steps of: (a) applying a fine silver particle dispersion on a substrate, wherein the fine silver particle dispersion comprises, (i) 60 to 95 wt. % of fine silver particles, wherein particle diameter (D50) of the fine silver particles is 50 to 300 nm, (ii) 4.5 to 39 wt. % of a solvent; and (iii) 0.1 to 3 wt. % of a resin, wherein the glass transition temperature (Tg) of the resin is 70 to 300° C., wherein the weight percentages are based on the weight of the fine silver particle dispersion; and (b) heating the applied fine silver particle dispersion at 80 to 1000° C.Type: GrantFiled: October 4, 2017Date of Patent: September 20, 2022Assignee: SOLAR PASTE, LLCInventors: Dave Hui, Michael Stephen Wolfe, Howard David Glicksman, Haixin Yang, Takashi Hinotsu, Shingo Teragawa
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Patent number: 11441010Abstract: This disclosure relates to a fine silver particle dispersion comprising: (i) 60 to 95 wt. % of fine silver particles, wherein particle diameter (D50) of the fine silver particles is 50 to 300 nm, (ii) 4.5 to 39 wt. % of a solvent; and (iii) 0.1 to 3 wt. % of a resin, wherein the glass transition temperature (Tg) of the resin is 70 to 300° C., wherein the weight percentages are based on the weight of the fine silver particle dispersion.Type: GrantFiled: October 4, 2017Date of Patent: September 13, 2022Assignee: DOWA ELECTRONICS MATERIALS CO., LTD.Inventors: Shingo Teragawa, Takashi Hinotsu, Dave Hui, Michael Stephen Wolfe, Howard David Glicksman, Haixin Yang
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Patent number: 11227702Abstract: This disclosure relates to a fine silver particle dispersion including: (1) 65 to 95.4% by weight of fine silver particles which have an average primary particle diameter of 10 to 190 nm and which comprise 25% by number or less of silver particles having a primary particle diameter of 100 nm or larger, (2) 4.5 to 34.5% by weight of a solvent, and (3) 0.1 to 1.0% by weight of ethyl cellulose having a weight average molecular weight of 10,000 to 120,000.Type: GrantFiled: April 4, 2019Date of Patent: January 18, 2022Assignee: DOWA ELECTRONICS MATERIALS CO., LTD.Inventors: Shingo Teragawa, Takashi Hinotsu, Dave Hui, Michael Stephen Wolfe, Howard David Glicksman, Haixin Yang
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Patent number: 11072715Abstract: This disclosure relates to a conductive paste comprising a fine silver particle dispersion and a glass frit, wherein the fine silver particle dispersion comprising: (1) 65 to 95.4% by weight of fine silver particles which have average primary particle diameter of 10 to 190 nm and which comprise 25% by number or less of silver particles having primary particle diameter of 100 nm or larger, (2) 4.5 to 34.5% by weight of a solvent, (3) 0.1 to 1.0% by weight of ethyl cellulose having weight average molecular weight of 10,000 to 120,000. Also provided are: a method of manufacturing an electrically conductive thick film comprising steps of: (a) applying said fine silver particle dispersion on a substrate, and (b) heating the applied fine silver particle dispersion at 80 to 1000° C.; and an electrical device comprising a conductive thick film made with the foregoing paste.Type: GrantFiled: April 4, 2019Date of Patent: July 27, 2021Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Dave Hui, Michael Stephen Wolfe, Howard David Glicksman, Haixin Yang, Takashi Hinotsu, Shingo Teragawa
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Publication number: 20200317935Abstract: This disclosure relates to a conductive paste comprising a fine silver particle dispersion and a glass frit, wherein the fine silver particle dispersion comprising: (1) 65 to 95.4% by weight of fine silver particles which have average primary particle diameter of 10 to 190 nm and which comprise 25% by number or less of silver particles having primary particle diameter of 100 nm or larger, (2) 4.5 to 34.5% by weight of a solvent, (3) 0.1 to 1.0% by weight of ethyl cellulose having weight average molecular weight of 10,000 to 120,000. Also provided are: a method of manufacturing an electrically conductive thick film comprising steps of: (a) applying said fine silver particle dispersion on a substrate, and (b) heating the applied fine silver particle dispersion at 80 to 1000 ° C.; and an electrical device comprising a conductive thick film made with the foregoing paste.Type: ApplicationFiled: April 4, 2019Publication date: October 8, 2020Inventors: Dave Hui, Michael Stephen Wolfe, Howard David Glicksman, Haixin Yang, Takashi Hinotsu, Shingo Teragawa
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Publication number: 20200321139Abstract: This disclosure relates to a fine silver particle dispersion including: (1) 65 to 95.4% by weight of fine silver particles which have an average primary particle diameter of 10 to 190 nm and which comprise 25% by number or less of silver particles having a primary particle diameter of 100 nm or larger, (2) 4.5 to 34.5% by weight of a solvent, and (3) 0.1 to 1.0% by weight of ethyl cellulose having a weight average molecular weight of 10,000 to 120,000.Type: ApplicationFiled: April 4, 2019Publication date: October 8, 2020Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.Inventors: Shingo TERAGAWA, Takashi HINOTSU, Dave HUI, Michael Stephen WOLFE, Howard David GLICKSMAN, Haixin YANG
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Publication number: 20190103200Abstract: This disclosure relates to a method of manufacturing an electrically conductive thick film comprising steps of: (a) applying a fine silver particle dispersion on a substrate, wherein the fine silver particle dispersion comprises, (i) 60 to 95 wt. % of fine silver particles, wherein particle diameter (D50) of the fine silver particles is 50 to 300 nm, (ii) 4.5 to 39 wt. % of a solvent; and (iii) 0.1 to 3 wt. % of a resin, wherein the glass transition temperature (Tg) of the resin is 70 to 300° C., wherein the weight percentages are based on the weight of the fine silver particle dispersion; and (b) heating the applied fine silver particle dispersion at 80 to 1000° C.Type: ApplicationFiled: October 4, 2017Publication date: April 4, 2019Inventors: Dave Hui, Michael Stephen Wolfe, Howard David Glicksman, Haixin Yang, Takashi Hinotsu, Shingo Teragawa
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Publication number: 20190100641Abstract: This disclosure relates to a fine silver particle dispersion comprising: (i) 60 to 95 wt. % of fine silver particles, wherein particle diameter (D50) of the fine silver particles is 50 to 300 nm, (ii) 4.5 to 39 wt. % of a solvent; and (iii) 0.1 to 3 wt. % of a resin, wherein the glass transition temperature (Tg) of the resin is 70 to 300° C., wherein the weight percentages are based on the weight of the fine silver particle dispersion.Type: ApplicationFiled: October 4, 2017Publication date: April 4, 2019Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.Inventors: Shingo TERAGAWA, Takashi HINOTSU, Dave HUI, Michael Stephen WOLFE, Howard David GLICKSMAN, Haixin YANG
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Patent number: 10190198Abstract: A thick film paste comprising at least one particulate platinum (alloy), at least one metal compound, and an organic vehicle, wherein the at least one metal compound is selected from the group consisting of in each case particulate NiO, SiO2, RuO2, Rh2O3, IrO2, Cu2O, CuO, TiO2, ZrO2, PbO, SnO2, CeO2, Al2O3, MgO, MnO2 and MoO2, and metal compounds capable of forming a metal oxide on firing, the metal oxide being selected from the group consisting of NiO, SiO2, RuO2, Rh2O3, IrO2, Cu2O, CuO, TiO2, ZrO2, PbO, SnO2, CeO2, Al2O3, MgO, MnO2 and MoO2.Type: GrantFiled: August 17, 2017Date of Patent: January 29, 2019Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Howard David Glicksman, Adele Amelia Pliscott
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Publication number: 20170342528Abstract: A thick film paste comprising at least one particulate platinum (alloy), at least one metal compound, and an organic vehicle, wherein the at least one metal compound is selected from the group consisting of in each case particulate NiO, SiO2, RuO2, Rh2O3, IrO2, Cu2O, CuO, TiO2, ZrO2, PbO, SnO2, CeO2, Al2O3, MgO, MnO2 and MoO2, and metal compounds capable of forming a metal oxide on firing, the metal oxide being selected from the group consisting of NiO, SiO2, RuO2, Rh2O3, IrO2, Cu2O, CuO, TiO2, ZrO2, PbO, SnO2, CeO2, Al2O3, MgO, MnO2 and MoO2.Type: ApplicationFiled: August 17, 2017Publication date: November 30, 2017Inventors: Howard David Glicksman, Adele Amelia Pliscott
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Patent number: 9783874Abstract: A thick film paste comprising at least one particulate platinum (alloy), at least one metal compound, and an organic vehicle, wherein the at least one metal compound is selected from the group consisting of in each case particulate NiO, SiO2, RuO2, Rh2O3, IrO2, Cu2O, CuO, TiO2, ZrO2, PbO, SnO2, CeO2, Al2O3, MgO, MnO2 and MoO2, and metal compounds capable of forming a metal oxide on firing, the metal oxide being selected from the group consisting of NiO, SiO2, RuO2, Rh2O3, IrO2, Cu2O, CuO, TiO2, ZrO2, PbO, SnO2, CeO2, Al2O3, MgO, MnO2 and MoO2.Type: GrantFiled: June 26, 2012Date of Patent: October 10, 2017Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Howard David Glicksman, Adele Amelia Pliscott
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Publication number: 20150203694Abstract: The present invention is directed to a highly conductive, low sintering temperature platinum powder produced using an aerosol decomposition process with platinum (II) tetraamine diacetate as the precursorType: ApplicationFiled: January 16, 2015Publication date: July 23, 2015Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: HOWARD DAVID GLICKSMAN, MARC H LABRANCHE, PATRICIA O. MARKHAM, ADELE AMELIA PLISCOTT
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Publication number: 20150060742Abstract: A conductive paste used for a solar cell electrode comprising: (i) 60 wt % to 95 wt % of a silver powder, (ii) 0.1 wt % to 10 wt % of a glass frit, (iii) 3 wt % to 38 wt % of an organic medium, and (iv) 0.1 wt % to 5.0 wt % of a Ag—Bi composite powder, wherein the wt % are based on the total weight of the conductive paste.Type: ApplicationFiled: August 20, 2014Publication date: March 5, 2015Inventors: HOWARD DAVID GLICKSMAN, YUMI MATSUURA
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Patent number: 8888889Abstract: The invention is directed to systems and methods for making non-hollow, non-fragmented spherical metal or metal alloy particles using diffusion dryers.Type: GrantFiled: June 1, 2011Date of Patent: November 18, 2014Assignees: E I du Pont de Nemours and Company, University of MarylandInventors: Howard David Glicksman, Sheryl Ehrman, Alex Langrock, George Lee Peabody, V, Kai Zhong
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Patent number: 8840701Abstract: Disclosed are methods of making multi-element, finely divided, metal powders containing one or more reactive metals and one or more non-reactive metals. Reactive metals include metals or mixtures thereof from titanium (Ti), zirconium (Zr), hafnium (Hf), tantalum (Ta), niobium (Nb), vanadium (V), nickel (Ni), cobalt (Co), molybdenum (Mo), manganese (Mn), and iron (Fe). Non-reactive metals include metals or mixtures such as silver (Ag), tin (Sn), bismuth (Bi), lead (Pb), antimony (Sb), zinc (Zn), germanium (Ge), phosphorus (P), gold (Au), cadmium (Cd), berrylium (Be), tellurium (Te).Type: GrantFiled: August 12, 2009Date of Patent: September 23, 2014Assignee: E I du Pont de Nemours and CompanyInventors: William J. Borland, Howard David Glicksman
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Patent number: 8790782Abstract: The invention relates to a corrosion resistant reactor tube, method for providing a passivating or corrosion resistant coating to the inside of the reactor tube, and a method of making high bismuth glass powders using the corrosion resistant reactor tube.Type: GrantFiled: July 2, 2008Date of Patent: July 29, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Michael F. Barker, John James Barnes, Rob Cockerill, Howard David Glicksman, Warren Harrell, James J. Krajewski, Michele L. Ostraat, Jay Scott Schickling, Barry Edward Taylor
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Patent number: 8710355Abstract: Photovoltaic cells, including silicon solar cells, and methods and compositions for making such photovoltaic cells are provided. A silicon substrate having p-type silicon base and an n-type silicon layer is provided with a silicon nitride layer, an exchange metal in contact with the silicon nitride layer, and a non-exchange metal in contact with the exchange metal. This assembly is fired to form a metal silicide contact on the silicon substrate, and a conductive metal electrode in contact with the metal silicide contact. The exchange metal is from nickel, cobalt, iron, manganese, molybdenum, and combinations thereof, and the non-exchange metal is from silver, copper, tin, bismuth, lead, antimony, arsenic, indium, zinc, germanium, gold, cadmium, beryllium, and combinations thereof.Type: GrantFiled: November 13, 2009Date of Patent: April 29, 2014Assignees: E I du Pont de Nemours and CompanyInventors: William J. Borland, Howard David Glicksman, Jon-Paul Maria
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Patent number: 8685290Abstract: Disclosed is a plurality of glass-crystalline particles, wherein at least a portion of the glass-crystalline particles comprise a glass component and a crystalline component, and wherein the crystalline component comprises one or more metal oxides wherein the metal is selected from the group consisting of: Zn, Ca, Sr, Mg, Ba, and mixtures thereof.Type: GrantFiled: September 27, 2010Date of Patent: April 1, 2014Assignee: E I du Pont Nemours and CompanyInventors: Eric Lee Brantley, John T. Chaplinsky, Howard David Glicksman, James J. Krajewski, Brian J. Laughlin, Kurt Richard Mikeska, Lawrence V. Triboletti
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Patent number: 8545733Abstract: Disclosed is a process for the manufacture of glass-crystalline particles comprising a glass component and a crystalline component comprising the steps of: a) providing a precursor solution comprising a solvent, a glass component composition, and a crystalline component composition; b) forming an aerosol comprising finely divided droplets of the precursor solution, wherein the droplet concentration which is below the concentration where collisions and subsequent coalescence of the droplets results in a 10% reduction in droplet concentration; c) heating the aerosol wherein, upon heating, glass-crystalline particles are formed, wherein the glass-crystalline particles comprise a glass component and a crystalline component, and wherein the crystalline component comprises one or more metal oxides; and d) isolating the glass-crystalline particles.Type: GrantFiled: September 27, 2010Date of Patent: October 1, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Eric Lee Brantley, John T. Chaplinsky, Howard David Glicksman, James J. Krajewski, Brian J. Laughlin, Kurt Richard Mikeska, Lawrence V. Triboletti
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Publication number: 20130004659Abstract: A thick film pastes comprising at least one particulate platinum (alloy)/metal oxide composite, an organic vehicle and, as an optional component, at least one particulate platinum (alloy), wherein the total proportion of particulate platinum (alloy)/metal oxide composite plus the optionally present particulate platinum (alloy) in the thick film paste is 84 to 95 wt. %, based on total thick film paste composition.Type: ApplicationFiled: June 25, 2012Publication date: January 3, 2013Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: HOWARD DAVID GLICKSMAN, ADELE AMELIA PLISCOTT