Patents by Inventor Wm. David Fahey
Wm. David Fahey 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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Publication number: 20060081146Abstract: A semiconductor bridge (SCB) device. In one embodiment, the SCB device includes a laminate layer on top of an insulating material, wherein the laminate layer comprises a series of layers of at least two reactive materials, and wherein the laminate layer comprises two relatively large sections that substantially cover the surface area of the insulating material, and a bridge section joining the two relatively large sections. At least one conductive contact pad is coupled to at least one of the series of layers, wherein a predetermined current through the conductive contact pad causes the bridge section to initiate a reaction in which the laminate layer is involved. In one embodiment, the SCB device includes an integrated diode formed by an interface of the insulating material with another material, such as a metal.Type: ApplicationFiled: August 9, 2005Publication date: April 20, 2006Inventors: Thomas Baginski, Todd Parker, Wm. David Fahey
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Patent number: 7004423Abstract: The present invention provides a fast, low-cost, small diverter capable of generating a relatively high impulse (1-5 N-sec) over a short time period. The diverter is adapted for installation in a projectile for steering the projectile in flight by ejecting an end cap or hot burning gases in response to control signals from a guidance system. In one embodiment, multiple diverters are arranged in one or more bands about a flying projectile such as a rocket.Type: GrantFiled: January 29, 2004Date of Patent: February 28, 2006Assignee: Quantic Industries, Inc.Inventors: Mark Folsom, Charles Piper, III, Wm. David Fahey, Jared M. McGowan
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Patent number: 6925938Abstract: A semiconductor bridge (SCB) device. In one embodiment, the SCB device includes a laminate layer on top of an insulating material, wherein the laminate layer comprises a series of layers of at least two reactive materials, and wherein the laminate layer comprises two relatively large sections that substantially cover the surface area of the insulating material, and a bridge section joining the two relatively large sections. At least one conductive contact pad is coupled to at least one of the series of layers, wherein a predetermined current through the conductive contact pad causes the bridge section to initiate a reaction in which the laminate layer is involved. In one embodiment, the SCB device includes an integrated diode formed by an interface of the insulating material with another material, such as a metal.Type: GrantFiled: August 9, 2004Date of Patent: August 9, 2005Assignees: Quantic Industries, Inc., Auburn UniversityInventors: Thomas A. Baginski, Todd S. Parker, Wm. David Fahey
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Patent number: 6772692Abstract: A semiconductor bridge (SCB) device. In one embodiment, the SCB device includes a laminate layer on top of an insulating material, wherein the laminate layer comprises a series of layers of at least two reactive materials, and wherein the laminate layer comprises two relatively large sections that substantially cover the surface area of the insulating material, and a bridge section joining the two relatively large sections. At least one conductive contact pad is coupled to at least one of the series of layers, wherein a predetermined current through the conductive contact pad causes the bridge section to initiate a reaction in which the laminate layer is involved. In one embodiment, the SCB device includes an integrated diode formed by an interface of the insulating material with another material, such as a metal.Type: GrantFiled: April 18, 2003Date of Patent: August 10, 2004Assignees: LifeSparc, Inc., Auburn UniversityInventors: Thomas A. Baginski, Todd S. Parker, Wm. David Fahey
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Publication number: 20030197088Abstract: The present invention provides a fast, low-cost, small diverter capable of generating a relatively high impulse (1-5 N-sec) over a short time period. The diverter is adapted for installation in a projectile for steering the projectile in flight by ejecting an end cap in response to control signals from a guidance system. In one embodiment, multiple diverters are arranged in one or more bands about a flying projectile such as a rocket. Each diverter includes a header assembly providing a mounting surface and support for a plurality of electrical leads, a reactive semiconductor bridge mounted on the mounting surface of the header assembly and providing an electrical path for the electrical leads at a certain voltage across the bridge, a diverter body supporting the header assembly and containing a prime, wherein the reactive semiconductor bridge and the prime define a gap, and an end cap attached to the diverter body and containing a propellant.Type: ApplicationFiled: February 8, 2001Publication date: October 23, 2003Inventors: Mark Folsom, Charles Piper, Wm. David Fahey, Jared M. McGowan
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Publication number: 20030192445Abstract: A semiconductor bridge (SCB) device. In one embodiment, the SCB device includes a laminate layer on top of an insulating material, wherein the laminate layer comprises a series of layers of at least two reactive materials, and wherein the laminate layer comprises two relatively large sections that substantially cover the surface area of the insulating material, and a bridge section joining the two relatively large sections. At least one conductive contact pad is coupled to at least one of the series of layers, wherein a predetermined current through the conductive contact pad causes the bridge section to initiate a reaction in which the laminate layer is involved. In one embodiment, the SCB device includes an integrated diode formed by an interface of the insulating material with another material, such as a metal.Type: ApplicationFiled: April 18, 2003Publication date: October 16, 2003Applicants: Auburn University, LifeSparc, Inc.Inventors: Thomas A. Baginski, Todd S. Parker, Wm. David Fahey
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Publication number: 20030047101Abstract: Methods and systems for laser diode ignition of field cannons and weaponry. A series of one or more laser diodes or laser diode array, bars or stripes that are configured to optically pump a collimator which may be formed of materials to provide a lasing medium. The energy output of these devices can be combined when configured as an array or a series of redundant laser diodes assemblies to provide safe and reliable ignition systems. The collimator may direct the output from these laser diode assemblies as multiple collimated ignition beams. The laser diode assemblies may optically end pump and/or side pump the collimator or collimating rod to deliver a more directed energy output to artillery propellant. Additionally, the duration of the pulses may be controlled and extended as necessary to help ensure proper ignition of the propellant.Type: ApplicationFiled: June 6, 2002Publication date: March 13, 2003Inventors: Mark Folsom, Wm. David Fahey, Joseph E. Carvalho, Tom Butterfield, Robert M. Valenti
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Publication number: 20020166924Abstract: A canopy fragilization system comprising an ordnance-free breakable canopy for aircraft and other transport vehicles. A breakable portion of the canopy includes embedded wiring that is installed along selected portions of the canopy to be cut out or fragilized in a desired pattern. A flux compression generator (FCG) is located on board the vehicle to power the fragilization system wherein an electrical surge is generated by the FCG during an ejection sequence. The electrical surge generated by the FCG is delivered through an electrically conductive cable to the wired canopy thereby fragilizing and structurally weakening the canopy. Methods and apparatus are further provided for fragilizing an aircraft canopy by delivering an electrical surge from a compact FCG to a pre-wired canopy.Type: ApplicationFiled: May 7, 2002Publication date: November 14, 2002Inventor: Wm. David Fahey
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Patent number: 6367735Abstract: The present invention provides a fast, low-cost, small diverter capable of generating a relatively high impulse (1-5 N-sec) over a short time period. The diverter is adapted for installation in a projectile for steering the projectile in flight by ejecting an end cap in response to control signals from a guidance system. In one embodiment, multiple diverters are arranged in one or more bands about a flying projectile such as a rocket. Each diverter includes a header assembly providing a mounting surface and support for a plurality of electrical leads, a reactive semiconductor bridge mounted on the mounting surface of the header assembly and providing an electrical path for the electrical leads at a certain voltage across the bridge, a diverter body supporting the header assembly and containing a prime, wherein the reactive semiconductor bridge and the prime define a gap, and an end cap attached to the diverter body and containing a propellant.Type: GrantFiled: February 10, 2000Date of Patent: April 9, 2002Assignee: Quantic Industries, Inc.Inventors: Mark Folsom, Charles Piper, III, Wm. David Fahey, Jared M. McGowan