Microconnex Corp.

Other

Advanced Cochlear Systems, Inc.

Microsound Systems, Inc.

Jeffery A Strole

Phillip L Jordan

Benjamin B Ross

Scott S Corbett, Iii

Joseph R Ketterl

Timothy Johnson

Edward J Swenson

Francis A Spelman

Ben M Clopton

John P Yarno

Mikhail P Bak

A method of producing a multi-level electronic device that begins with machining into a sheet of dielectric material from a surface to create a set of first indentations at a first level. Conductive material is then deposited into the first indentations to create a set of first conductive features. The first indentations are then substantially filled with dielectric material. The process is continued by machining again into the sheet of dielectric material from a surface and thereby creating a set of second indentations at a second level. Further conductive material is deposited into the second indentations to create a set of second conductive features.

Multilevel electronic circuit and method of making the same

A laminated multi-electrode biocompatible implant, comprising a first layer of flexible, biocompatible dielectric material having a first, exposed surface. A second layer of flexible biocompatible dielectric material, is adhered to the first layer. Further, a third layer of flexible biocompatible dielectric material is adhered to the second layer. Additionally, a first conductive trace is interposed between the first layer and the second layer and a second conductive trace interposed between said second layer and said third layer. Finally, a first conductor, which breaches said first layer, conductively connects the first conductive trace to the exposed surface of the first layer, thereby forming a first electrode and a second conductor, which breaches the first layer and the second layer, conductively connects the second conductive trace to the exposed surface of the first layer, thereby forming a second electrode.

Method of making high contact density electrode array

A method of constructing a multilayer electric apparatus, comprising the steps of first providing a set of dielectric layers and forming a set of conductive features and at least one fiducial marking, in mutual reference to each other, on a first one of the dielectric layers. Next, the dielectric layers are joined together to form a stack, such that the first of the dielectric layers is interposed depthwise between others of the dielectric layers and the at least one fiducial marking is distinctly observable from outside of the stack. Finally, a via is drilled from the exterior of the stack to one of the conductive features of the first dielectric layer, referencing the drilling to the fiducial marking.

Method of positioning a conductive element in a laminated electrical device

A method of constructing an electric apparatus, comprising the following steps. First, a set of dielectric layers is provided. Next, a set of conductive features and at least one fiducial marking are formed on a first one of the dielectric layers, in mutual reference to each other so that their relative positions are known to a first tolerance. Then, a set of pin holes is formed in each dielectric layer, each pin hole formed in relation to the fiducial marking for its dielectric layer and all of the sets of pin holes having a mutually identical placement. Finally the dielectric layers are arranged onto a pin fixture having a set of pins that match the mutually identical placement of the pin holes.

Method of aligning features in a multi-layer electrical connective device

A method of constructing a multilayer electric apparatus. The method includes forming a set of conductive features and a plurality of fiducial markings on a first dielectric layer in mutual reference to each other so that their relative positions are known to a first tolerance. Also, a pattern of information corresponding to a desired photoresist exposure pattern for a second layer of the multilayer electric apparatus is stored in a computer readable format. The locations of the fiducial markings on the first layer are measured and the pattern of information for the second layer is altered in correspondence to the measured locations of the fiducial markings. The updated pattern of information is used to control a laser to selectively expose the photoresist on the second layer. Finally, the first and second layers are joined to each other.

Method of constructing a multilayer electric apparatus

A method of constructing a planar array of electrical contact pads is disclosed, comprising the following steps. First, providing a set of dielectric layers each having two major surfaces and forming a set of first conductive paths on a first major surface, the paths terminating at or before an interior perimeter, to leave an interior area within the interior perimeter free of conductive paths and an exterior area outside of the interior perimeter having the first conductive paths. Second, forming a set of second conductive paths on a second major surface, the second conductive paths terminating generally inside the interior perimeter. Third, joining the sets of dielectric layers to form a depthwise stack of layers, the stack of layers having a top surface and the first major surface being interposed depthwise between the top surface and the second major surface. Forth, forming an array of first and second electrical contact pads on the top surface, each first electrical contact pad overlaying a portion of the exterior area and each second electrical contact pad overlaying a portion of the interior area. Fifth and finally, forming a set of plated vias to connect each first electrical contact pad to a first conductive path and each second electrical contact pad to a second conductive path.

Method of creating an electrical interconnect device bearing an array of electrical contact pads

A method of producing an acoustically absorbing anisotropic backing structure for an ultrasound transceiver is disclosed. Laser machining of a substrate of acoustically absorbent electrically resistive material produces a set of vias and indented pad seats. The machined substrate is plated with an electrically conductive material. Excess electrically conductive material is removed from the substrate to leave an electrically conductive material plating on the indented pad seats and the vias to form conductive pads and plated vias on the substrate.

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Ellensburg, WA, United States of America

Jeffery A Strole