Ferro Corporation

Applied Cavitation, Inc.

Heraeus, Inc. Cermalloy Division

Applied Caviatation, Inc.

Dana Lynn Hankey

Gordon J Roberts

Joseph Albert Capobianco

Marshall Campion Tibbetts

Kevin W Allison

Edward Stadnicar, Jr

Aziz S Shaikh

Thomas J Vlach

David James Leandri

Christopher Davey

S K Muralidhar

Huidong Li

Timothy Fahey

Robert C Sutterlin

Marshall Campion Tibbets

Provided in one embodiment is a method of making, comprising: exposing a raw material having a first viscosity to a first pressure and a first temperature such that the raw material after the exposure has a second viscosity, wherein the raw material comprises particles comprising at least one electrically conductive material, and wherein the second viscosity is sufficiently low for the raw material to be adapted for a hydrodynamic cavitation process; and subjecting the raw material having the second viscosity to the hydrodynamic cavitation process to make a product material having a third viscosity. Apparatus employed to apply the method and the exemplary compositions made in accordance with the method are also provided.

Systems and method for manufacturing solar cell paste

Provided in one implementation is a method of manufacturing a three-dimensional object. The method can include depositing a substantially uniform layer of raw material onto a substrate. The raw material can include ceramic particles. The method can include selectively fusing particles of the raw material to form a first layer of the object. The method can include clearing non-fused particles of the raw material from the first layer of the object. The method can include repeating the steps of depositing a raw material, selectively fusing particles of the raw material, and clearing non-fused particles of the raw material to form additional layers of the object above the first layer.

Systems and methods for additive manufacturing using ceramic materials

Provided in one implementation is a method that includes introducing a volume of raw material into a chamber of a cavitation machine. The raw material can include a mixture comprising a powder and a solvent. The powder can have a first average particle size in the raw material. The method includes applying a hydrodynamic cavitation process to the raw material to produce a product material. The powder can have a second average particle size, smaller than the first average particle size, in the product material. The method includes causing the product material to exit the cavitation chamber and drying the product material to remove the solvent. Apparatus employed to apply the method are also provided.

Systems and methods for producing materials suitable for additive manufacturing using a hydrodynamic cavitation apparatus

Cavitation apparatus and method of using same

Provided in one embodiment is a method of making, comprising: applying a hydrodynamic cavitation process to a raw material comprising particles comprising a metal-containing material or a carbon containing material of a first size to produce a slurry having particles comprising the metal-containing material or the carbon-containing material of a second size, smaller than the first size; and tape casting the slurry to form a green tape. Apparatuses employed to apply the method and the exemplary compositions made in accordance with the method are also provided.

Tape casting using slurry from a cavitation apparatus and methods of making same

Piezoelectric devices are provided. A device can include a top electrode, a first piezoelectric layer having an upper surface disposed on a lower surface of the top electrode, a first center electrode having an upper surface disposed on a lower surface of the first piezoelectric layer, an insulating layer having an upper surface disposed on a lower surface of the first center electrode, a second center electrode having an upper surface disposed on a lower surface of the insulating layer, a second piezoelectric layer having an upper surface disposed on a lower surface of the second center electrode, and a bottom electrode having an upper surface disposed on a lower surface of the second piezoelectric layer. The insulating layer can be positioned substantially at a vertical center of the piezoelectric device. The first center electrode can be electrically connected to the second center electrode.

Piezoelectric devices

The present invention provides a method of adherently depositing a thick film composition on an aluminum nitride substrate comprising the steps of providing an aluminum nitride substrate, providing a thick film composition, and applying the thick film composition on the aluminum nitride substrate. The thick film composition includes a glass frit binder, a conductive metallic material and a lithium-containing adhesion promoting compound.

Method of bonding a conductor composition including a lithium compound

A thick film paste composition adapted to be bonded onto an aluminum nitride substrate is provided which comprises (a) an electrical property regulating component present in an amount sufficient to control the electrical properties of said paste; (b) a lead free or low lead glass composition capable of bonding said electrical property regulating component to the surface of an aluminum nitride substrate.

Thick film paste compositions for use with an aluminum nitride substrate

A low dielectric, low temperature fired glass ceramic produced by firing at about 800.degree.-900.degree. C. a mixture comprising at least one glass consisting of, by weight percent, 0 to 50% B.sub.2 O.sub.3, 35 to 65% CaO, and 10 to 65% SiO.sub.2, and selected from the glasses of CaO-B.sub.2 O.sub.3 -SiO.sub.2 glass system. The glass ceramic is light weight, exhibits a dielectric constant of less than about 7.9, has adequate mechanical strength and thermal conductivity, and is compatible with precious metal conductors. The glass ceramic is useful in the manufacture of integrated circuits and any other electronic or mechanical components where a glass ceramic exhibiting this particular combination of characteristics is suitable.

Low dielectric, low temperature fired glass ceramics

A low dielectric, low temperature fired glass ceramic produced by firing at about 800.degree.-950.degree. C. a mixture comprising at least one glass consisting of, by weight percent, 0 to 50% B.sub.2 O.sub.3, 35 to 65% CaO, and 10 to 65% SiO.sub.2 l , and selected from the glasses of CaO-B.sub.2 O.sub.3 -SiO.sub.2 glass system. The glass ceramic is light weight, exhibits a dielectric constant of less than about 5.2, has adequate mechanical strength and thermal conductivity, and is compatible with precious metal conductors. The glass ceramic is useful in the manufacture of integrated circuits and any other electronic or mechanical components where a glass ceramic exhibiting this particular combination of characteristics is suitable.

A thick film conductor composition adapted to be bonded to an aluminum nitride substrate is provided which comprises a sufficient amount of conductive metallic material to render the conductor composition electrically conductive when bonded to the substrate, a glass frit binder for the metallic material capable of being bonded to the substrate, and a lithium containing compound capable of reacting with the substrate upon heating so as to aid in adherently bonding the conductor composition to the aluminum nitride substrate. A thick film conductor bonded onto the surface of an aluminum nitride substrate as well as a method of producing the same are also provided.

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Santa Barbara, CA, United States of America

Dana Lynn Hankey