Patents by Inventor Henry Helvajian
Henry Helvajian 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: 8479375Abstract: A photostructurable ceramic is processed using photostructuring process steps for embedding devices within a photostructurable ceramic volume, the devices may include one or more of chemical, mechanical, electronic, electromagnetic, optical, and acoustic devices, all made in part by creating device material within the ceramic or by disposing a device material through surface ports of the ceramic volume, with the devices being interconnected using internal connections and surface interfaces.Type: GrantFiled: January 13, 2010Date of Patent: July 9, 2013Assignee: The Aerospace CorporationInventor: Henry Helvajian
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Patent number: 8410660Abstract: A photostructurable ceramic is processed using photostructuring process steps for embedding devices within a photostructurable ceramic volume, the devices may include one or more of chemical, mechanical, electronic, electromagnetic, optical, and acoustic devices, all made in part by creating device material within the ceramic or by disposing a device material through surface ports of the ceramic volume, with the devices being interconnected using internal connections and surface interfaces.Type: GrantFiled: January 13, 2010Date of Patent: April 2, 2013Assignee: The Aerospace CorporationInventors: Henry Helvajian, William W. Hansen, Lee F. Steffeney
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Patent number: 8369070Abstract: A photostructurable ceramic is processed using photostructuring process steps for embedding devices within a photostructurable ceramic volume, the devices may include one or more of chemical, mechanical, electrical, electromagnetic, optical, and acoustic devices, all made in part by creating device material within the ceramic or by disposing a device material through surface ports of the ceramic volume, with the devices being interconnected using internal connections and surface interfaces.Type: GrantFiled: January 13, 2010Date of Patent: February 5, 2013Assignee: The Aerospace CorporationInventors: Henry Helvajian, William W. Hansen, Lee F. Steffeney
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Patent number: 8264134Abstract: An ultraminiature light source using a double-spiral shaped tungsten filament includes end contact portions which are separated to allow for radial and length-wise unwinding of the spiral. The double-spiral filament is spaced relatively far apart at the end portions thereof so that contact between portions of the filament upon expansion is avoided. The light source is made by fabricating a double-spiral ultraminiature tungsten filament from tungsten foil and housing the filament in a ceramic package having a reflective bottom and a well wherein the filament is suspended. A vacuum furnace brazing process attaches the filament to contacts of the ceramic package. Finally, a cover with a transparent window is attached onto the top of the ceramic package by solder reflow in a second vacuum furnace process to form a complete hermetically sealed package.Type: GrantFiled: June 7, 2010Date of Patent: September 11, 2012Assignee: The United States of America as Represented by the Administrator of National Aeronautics and Space AdministrationInventors: Margaret L. Tuma, Joseph S. Collura, Henry Helvajian, Michael D. Pocha, Glenn A. Meyer, Charles F. McConaghy, Barry L. Olsen, William W Hansen
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Publication number: 20110169375Abstract: A photostructurable ceramic is processed using photostructuring process steps for embedding devices within a photostructurable ceramic volume, the devices may include one or more of chemical, mechanical, electronic, electromagnetic, optical, and acoustic devices, all made in part by creating device material within the ceramic or by disposing a device material through surface ports of the ceramic volume, with the devices being interconnected using internal connections and surface interfaces.Type: ApplicationFiled: January 13, 2010Publication date: July 14, 2011Applicant: THE AEROSPACE CORPORATIONInventors: Henry Helvajian, William W. Hansen, Lee F. Steffeney
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Publication number: 20110170210Abstract: A photostructurable ceramic is processed using photostructuring process steps for embedding devices within a photostructurable ceramic volume, the devices including chemical, mechanical, electronic, electromagnetic, optical, and acoustic devices, all made in part by creating device material within the ceramic or by disposing a device material through surface ports of the ceramic volume, with the devices being interconnected using internal connections and surface interfaces.Type: ApplicationFiled: January 13, 2010Publication date: July 14, 2011Applicant: The Aerospace CorporationInventor: Henry Helvajian
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Publication number: 20110170273Abstract: A photostructurable ceramic is processed using photostructuring process steps for embedding devices within a photostructurable ceramic volume, the devices may include one or more of chemical, mechanical, electronic, electromagnetic, optical, and acoustic devices, all made in part by creating device material within the ceramic or by disposing a device material through surface ports of the ceramic volume, with the devices being interconnected using internal connections and surface interfaces.Type: ApplicationFiled: January 13, 2010Publication date: July 14, 2011Applicant: The Aerospace CorporationInventor: Henry Helvajian
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Publication number: 20110171068Abstract: A photostructurable ceramic is processed using photostructuring process steps for embedding devices within a photostructurable ceramic volume, the devices may include one or more of chemical, mechanical, electronic, electromagnetic, optical, and acoustic devices, all made in part by creating device material within the ceramic or by disposing a device material through surface ports of the ceramic volume, with the devices being interconnected using internal connections and surface interfaces.Type: ApplicationFiled: January 13, 2010Publication date: July 14, 2011Applicant: THE AEROSPACE CORPORATIONInventor: Henry Helvajian
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Publication number: 20110170241Abstract: A photostructurable ceramic is processed using photostructuring process steps for embedding devices within a photostructurable ceramic volume, the devices may include one or more of chemical, mechanical, electrical, electromagnetic, optical, and acoustic devices, all made in part by creating device material within the ceramic or by disposing a device material through surface ports of the ceramic volume, with the devices being interconnected using internal connections and surface interfaces.Type: ApplicationFiled: January 13, 2010Publication date: July 14, 2011Applicant: The Aerospace CorporationInventors: Henry Helvajian, William W. Hansen, Lee F. Steffeney
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Publication number: 20110167941Abstract: A photostructurable ceramic is processed using photostructuring process steps for embedding devices within a photostructurable ceramic volume, the devices may include one or more of chemical, mechanical, electronic, electromagnetic, optical, and acoustic devices, all made in part by creating device material within the ceramic or by disposing a device material through surface ports of the ceramic volume, with the devices being interconnected using internal connections and surface interfaces.Type: ApplicationFiled: January 13, 2010Publication date: July 14, 2011Applicant: THE AEROSPACE CORPORATIONInventor: Henry Helvajian
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Publication number: 20110006663Abstract: An ultraminiature light source using a double-spiral shaped tungsten filament includes end contact portions which are separated to allow for radial and length-wise unwinding of the spiral. The double-spiral filament is spaced relatively far apart at the end portions thereof so that contact between portions of the filament upon expansion is avoided. The light source is made by fabricating a double-spiral ultraminiature tungsten filament from tungsten foil and housing the filament in a ceramic package having a reflective bottom and a well wherein the filament is suspended. A vacuum furnace brazing process attaches the filament to contacts of the ceramic package. Finally, a cover with a transparent window is attached onto the top of the ceramic package by solder reflow in a second vacuum furnace process to form a complete hermetically sealed package.Type: ApplicationFiled: June 7, 2010Publication date: January 13, 2011Inventors: Margaret L. Tuma, Joseph S. Collura, Henry Helvajian, Michael D. Pocha, Glenn A. Meyer, Charles F. McConaghy, Barry L. Olsen, William W. Hansen
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Patent number: 7755292Abstract: An ultraminiature light source using a double-spiral shaped tungsten filament includes end contact portions which are separated to allow for radial and length-wise unwinding of the spiral. The double-spiral filament is spaced relatively far apart at the end portions thereof so that contact between portions of the filament upon expansion is avoided. The light source is made by fabricating a double-spiral ultraminiature tungsten filament from tungsten foil and housing the filament in a ceramic package having a reflective bottom and a well wherein the filament is suspended. A vacuum furnace brazing process attaches the filament to contacts of the ceramic package. Finally, a cover with a transparent window is attached onto the top of the ceramic package by solder reflow in a second vacuum furnace process to form a complete hermetically sealed package.Type: GrantFiled: January 22, 2007Date of Patent: July 13, 2010Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Margaret L. Tuma, Joseph S. Collura, Henry Helvajian, Michael D. Pocha, Glenn A. Meyer, Charles F. McConaghy, Barry L. Olsen, William W Hansen
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Patent number: 7526357Abstract: A pulse modulation laser writing system generates a motion control file for controlled motion of a sample under modulated laser beam exposure and generates a laser script file for generating a sequence of laser writing processes, such as, ablation, welding, texturing, and dosing, the sample while under motion control. The system enables laser writing processing of complex multimaterial samples in a single manufacturing process.Type: GrantFiled: December 13, 2004Date of Patent: April 28, 2009Assignee: The Aerospace CorporationInventors: Frank Edward Livingston, Henry Helvajian
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Patent number: 7419915Abstract: A method using an etchant and a laser for localized precise heating enables precise etching and release of MEMS devices with improved process control while expanding the number of materials used to make MEMS, including silicon-dioxide patterned films buried in and subsequently released from bulk silicon, as a direct write method of release of patterned structures that enables removal of only that material needed to allow the device to perform to be precisely released, after which, the bulk material can be further processed for additional electrical or packaging functions.Type: GrantFiled: February 17, 2005Date of Patent: September 2, 2008Assignee: The Aerospace CorporationInventors: Margaret H. Abraham, Henry Helvajian, Siegfried W. Janson
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Publication number: 20060183330Abstract: A method using an etchant and a laser for localized precise heating enables precise etching and release of MEMS devices with improved process control while expanding the number of materials used to make MEMS, including silicon-dioxide patterned films buried in and subsequently released from bulk silicon, as a direct write method of release of patterned structures that enables removal of only that material needed to allow the device to perform to be precisely released, after which, the bulk material can be further processed for additional electrical or packaging functions.Type: ApplicationFiled: February 17, 2005Publication date: August 17, 2006Inventors: Margaret Abraham, Henry Helvajian, Siegfried Janson
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Publication number: 20060126477Abstract: A pulse modulation laser writing system generates a motion control file for controlled motion of a sample under modulated laser beam exposure and generates a laser script file for generating a sequence of laser writing processes, such as, ablation, welding, texturing, and dosing, the sample while under motion control. The system enables laser writing processing of complex multimaterial samples in a single manufacturing process.Type: ApplicationFiled: December 13, 2004Publication date: June 15, 2006Inventors: Frank Livingston, Henry Helvajian
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Patent number: 6952530Abstract: Integrated glass ceramic spacecraft include a plurality of glass ceramic components including molded, tempered, annealed, and patterned glass ceramic components coupled together for forming a support structure or frame or housing through which is communicated optical signals through an optical communications grid and electrical signals through an electrical communications grid, with the optical communications grid and electrical communication grid forming a composite electrooptical communications grid for spacecraft wide intercommunications. The support structure multifunctions as a frame, a housing, a support, a thermal control system, and as part of an electrooptical communications grid while encapsulating a plurality of optical, electronic, electrical, and MEMS devices between which is communicated the electrical and optical signals over the electrooptical communication grid.Type: GrantFiled: December 19, 2003Date of Patent: October 4, 2005Assignee: The Aerospace CorporationInventors: Henry Helvajian, Siegfried W. Janson
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Patent number: 6932933Abstract: A laser direct write method creates true three dimensional structures within photocerams using an focused pulsed ultraviolet laser with a wavelength in a weakly absorbing region of the photoceram material. A critical dose of focused laser UV light selectively exposes embedded volumes of the material for subsequent selective etching. The photoceram material exposure is nonlinear with the laser fluence and the critical dose depends on the square of the per shot fluence and the number of pulses. The laser light is focused to a focal depth for selective volumetric exposure of the material within a focal volume within the remaining collateral volumes that is critically dosed for selecting etching and batch fabrication of highly defined embedded structures.Type: GrantFiled: March 30, 2001Date of Patent: August 23, 2005Assignee: The Aerospace CorporationInventors: Henry Helvajian, Peter D. Fuqua, William W. Hansen
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Publication number: 20050135724Abstract: Integrated glass ceramic spacecraft include a plurality of glass ceramic components including molded, tempered, annealed, and patterned glass ceramic components coupled together for forming a support structure or frame or housing through which is communicated optical signals through an optical communications grid and electrical signals through an electrical communications grid, with the optical communications grid and electrical communication grid forming a composite electrooptical communications grid for spacecraft wide intercommunications. The support structure multifunctions as a frame, a housing, a support, a thermal control system, and as part of an electrooptical communications grid while encapsulating a plurality of optical, electronic, electrical, and MEMS devices between which is communicated the electrical and optical signals over the electrooptical communication grid.Type: ApplicationFiled: December 19, 2003Publication date: June 23, 2005Inventors: Henry Helvajian, Siegfried Janson
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Patent number: 6851259Abstract: An inflatable structure includes a plurality of inflation cells each have a respective internal gas generator connected to an external control processor for sequential inflation of the inflatable structure. Power and control lines feed through the inflation cells for powering the internal gas generator and for communicating control signals between the gas generators and the external control processor. A method of sequence inflation can use various types of exemplar gas generators, such as cellular containment evaporation gas generators and laser ablation gas generators.Type: GrantFiled: June 12, 2002Date of Patent: February 8, 2005Assignee: The Aerospace CorporationInventors: Edward J. Simburger, Henry Helvajian