Patents by Inventor James Edward Carey
James Edward Carey 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: 20200028002Abstract: In one aspect, the present invention provides a silicon photodetector having a surface layer that is doped with sulfur inclusions with an average concentration in a range of about 0.5 atom percent to about 1.5 atom percent. The surface layer forms a diode junction with an underlying portion of the substrate. A plurality of electrical contacts allow application of a reverse bias voltage to the junction in order to facilitate generation of an electrical signal, e.g., a photocurrent, in response to irradiation of the surface layer. The photodetector exhibits a responsivity greater than about 1 A/W for incident wavelengths in a range of about 250 nm to about 1050 nm, and a responsivity greater than about 0.1 A/W for longer wavelengths, e.g., up to about 3.5 microns.Type: ApplicationFiled: August 5, 2019Publication date: January 23, 2020Inventors: Eric Mazur, James Edward Carey
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Patent number: 10374109Abstract: In one aspect, the present invention provides a silicon photodetector having a surface layer that is doped with sulfur inclusions with an average concentration in a range of about 0.5 atom percent to about 1.5 atom percent. The surface layer forms a diode junction with an underlying portion of the substrate. A plurality of electrical contacts allow application of a reverse bias voltage to the junction in order to facilitate generation of an electrical signal, e.g., a photocurrent, in response to irradiation of the surface layer. The photodetector exhibits a responsivity greater than about 1 A/W for incident wavelengths in a range of about 250 nm to about 1050 nm, and a responsivity greater than about 0.1 A/W for longer wavelengths, e.g., up to about 3.5 microns.Type: GrantFiled: October 16, 2017Date of Patent: August 6, 2019Assignee: President and Fellows of Harvard CollegeInventors: Eric Mazur, James Edward Carey
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Publication number: 20180083146Abstract: In one aspect, the present invention provides a silicon photodetector having a surface layer that is doped with sulfur inclusions with an average concentration in a range of about 0.5 atom percent to about 1.5 atom percent. The surface layer forms a diode junction with an underlying portion of the substrate. A plurality of electrical contacts allow application of a reverse bias voltage to the junction in order to facilitate generation of an electrical signal, e.g., a photocurrent, in response to irradiation of the surface layer. The photodetector exhibits a responsivity greater than about 1 A/W for incident wavelengths in a range of about 250 nm to about 1050 nm, and a responsivity greater than about 0.1 A/W for longer wavelengths, e.g., up to about 3.5 microns.Type: ApplicationFiled: October 16, 2017Publication date: March 22, 2018Inventors: Eric Mazur, James Edward Carey
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Patent number: 9793425Abstract: In one aspect, the present invention provides a silicon photodetector having a surface layer that is doped with sulfur inclusions with an average concentration in a range of about 0.5 atom percent to about 1.5 atom percent. The surface layer forms a diode junction with an underlying portion of the substrate. A plurality of electrical contacts allow application of a reverse bias voltage to the junction in order to facilitate generation of an electrical signal, e.g., a photocurrent, in response to irradiation of the surface layer. The photodetector exhibits a responsivity greater than about 1 A/W for incident wavelengths in a range of about 250 nm to about 1050 nm, and a responsivity greater than about 0.1 A/W for longer wavelengths, e.g., up to about 3.5 microns.Type: GrantFiled: January 21, 2016Date of Patent: October 17, 2017Assignee: President And Fellows Of Harvard CollegeInventors: Eric Mazur, James Edward Carey
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Publication number: 20160364218Abstract: Techniques disclosed herein describe joining processing elements (e.g., of a streams processing environment) using optimization techniques, such as by whole program optimization. An optimization tool evaluates multiple processing elements based on one or more optimization rules. The optimization tool identifies, based on the evaluation, processing elements that can be merged. The optimization tool joins the identified processing elements together.Type: ApplicationFiled: July 2, 2015Publication date: December 15, 2016Inventors: Eric Lawrence BARSNESS, Michael John BRANSON, James Edward CAREY, John M. SANTOSUOSSO
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Publication number: 20160155864Abstract: In one aspect, the present invention provides a silicon photodetector having a surface layer that is doped with sulfur inclusions with an average concentration in a range of about 0.5 atom percent to about 1.5 atom percent. The surface layer forms a diode junction with an underlying portion of the substrate. A plurality of electrical contacts allow application of a reverse bias voltage to the junction in order to facilitate generation of an electrical signal, e.g., a photocurrent, in response to irradiation of the surface layer. The photodetector exhibits a responsivity greater than about 1 A/W for incident wavelengths in a range of about 250 nm to about 1050 nm, and a responsivity greater than about 0.1 A/W for longer wavelengths, e.g., up to about 3.5 microns.Type: ApplicationFiled: January 21, 2016Publication date: June 2, 2016Inventors: Eric Mazur, James Edward Carey
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Patent number: 9276143Abstract: In one aspect, the present invention provides a silicon photodetector having a surface layer that is doped with sulfur inclusions with an average concentration in a range of about 0.5 atom percent to about 1.5 atom percent. The surface layer forms a diode junction with an underlying portion of the substrate. A plurality of electrical contacts allow application of a reverse bias voltage to the junction in order to facilitate generation of an electrical signal, e.g., a photocurrent, in response to irradiation of the surface layer. The photodetector exhibits a responsivity greater than about 1 A/W for incident wavelengths in a range of about 250 nm to about 1050 nm, and a responsivity greater than about 0.1 A/W for longer wavelengths, e.g., up to about 3.5 microns.Type: GrantFiled: December 9, 2013Date of Patent: March 1, 2016Assignee: President And Fellows Of Harvard CollegeInventors: Eric Mazur, James Edward Carey
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Publication number: 20140099745Abstract: In one aspect, the present invention provides a silicon photodetector having a surface layer that is doped with sulfur inclusions with an average concentration in a range of about 0.5 atom percent to about 1.5 atom percent. The surface layer forms a diode junction with an underlying portion of the substrate. A plurality of electrical contacts allow application of a reverse bias voltage to the junction in order to facilitate generation of an electrical signal, e.g., a photocurrent, in response to irradiation of the surface layer. The photodetector exhibits a responsivity greater than about 1 A/W for incident wavelengths in a range of about 250 nm to about 1050 nm, and a responsivity greater than about 0.1. A/W for longer wavelengths, e.g., up to about 3.5 microns.Type: ApplicationFiled: December 9, 2013Publication date: April 10, 2014Applicant: President And Fellows Of Harvard CollegeInventors: Eric Mazur, James Edward Carey
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Patent number: 8604580Abstract: In one aspect, the present invention provides a silicon photodetector having a surface layer that is doped with sulfur inclusions with an average concentration in a range of about 0.5 atom percent to about 1.5 atom percent. The surface layer forms a diode junction with an underlying portion of the substrate. A plurality of electrical contacts allow application of a reverse bias voltage to the junction in order to facilitate generation of an electrical signal, e.g., a photocurrent, in response to irradiation of the surface layer. The photodetector exhibits a responsivity greater than about 1 A/W for incident wavelengths in a range of about 250 nm to about 1050 nm, and a responsivity greater than about 0.1 A/W for longer wavelengths, e.g., up to about 3.5 microns.Type: GrantFiled: October 6, 2011Date of Patent: December 10, 2013Assignee: President and Fellows of Harvard CollegeInventors: Eric Mazur, James Edward Carey
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Patent number: 8080467Abstract: In one aspect, the present invention provides a silicon photodetector having a surface layer that is doped with sulfur inclusions with an average concentration in a range of about 0.5 atom percent to about 1.5 atom percent. The surface layer forms a diode junction with an underlying portion of the substrate. A plurality of electrical contacts allow application of a reverse bias voltage to the junction in order to facilitate generation of an electrical signal, e.g., a photocurrent, in response to irradiation of the surface layer. The photodetector exhibits a responsivity greater than about 1 A/W for incident wavelengths in a range of about 250 nm to about 1050 nm, and a responsivity greater than about 0.1 A/W for longer wavelengths, e.g., up to about 3.5 microns.Type: GrantFiled: May 10, 2010Date of Patent: December 20, 2011Assignee: President and Fellows of Harvard CollegeInventors: James Edward Carey, III, Eric Mazur
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Patent number: 7640233Abstract: Electronic messaging systems, a machine-accessible medium, and methods for text-based electronic communication. In one embodiment, a plurality of databases are provided. The databases each define shorthand terms with one or more longhand terms. A shorthand term is targeted within a text message, and the databases are searched for corresponding longhand terms. The longhand terms are selected for display according to factors such as user preferences, the identities of participants to the text communication, and the context of the text message. Abbreviations, shorthand, and other jargon sent by one user is thereby interpreted. For example, one of the longhand terms may be substituted in-line with the text message. Alternatively, all matches for the shorthand term found in the databases may be listed in descending order according to relevancy.Type: GrantFiled: August 29, 2006Date of Patent: December 29, 2009Assignee: International Business Machines CorporationInventors: Randall Paul Baartman, James Edward Carey, Jason J. Illg, John Stephen Mysak
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Patent number: 7546547Abstract: A method, apparatus and computer program product are provided for implementing automatic reapportionment of graphical screen subwindows based upon sensed, dynamic changes. Predefined dynamic change information is monitored for selected subwindows. The monitored predefined dynamic change information is compared with user selected configuration values to determine a reapportionment for the selected subwindows.Type: GrantFiled: May 26, 2005Date of Patent: June 9, 2009Assignee: International Business Machines CorporationInventors: James Edward Carey, Scott N. Gerard
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Patent number: 7504702Abstract: In one aspect, the present invention provides a silicon photodetector having a surface layer that is doped with sulfur inclusions with an average concentration in a range of about 0.5 atom percent to about 1.5 atom percent. The surface layer forms a diode junction with an underlying portion of the substrate. A plurality of electrical contacts allow application of a reverse bias voltage to the junction in order to facilitate generation of an electrical signal, e.g., a photocurrent, in response to irradiation of the surface layer. The photodetector exhibits a responsivity greater than about 1 A/W for incident wavelengths in a range of about 250 nm to about 1050 nm, and a responsivity greater than about 0.1 A/W for longer wavelengths, e.g., up to about 3.5 microns.Type: GrantFiled: June 2, 2006Date of Patent: March 17, 2009Assignee: President & Fellows of Harvard CollegeInventors: Eric Mazur, James Edward Carey, III
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Publication number: 20080258604Abstract: Methods and systems for absorbing infrared light, and for emitting current are described. A sample, such as a sample containing mainly silicon, is microstructured by at least one laser pulse to produce cone-like structures on the exposed surface. Such microstructuring enhances the infrared absorbing, and current emission properties of the sample.Type: ApplicationFiled: June 23, 2008Publication date: October 23, 2008Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGEInventors: Eric Mazur, James Edward Carey, Catherine H. Crouch, Rebecca Jane Younkin, Claudia Wu
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Publication number: 20080172738Abstract: A method for verifying the validity of a hyperlink, and determining whether the domain name of the website that the user is directed to is valid. In one embodiment, the method identifies a hyperlink, a URL within the hyperlink and a domain name within the URL. The identified domain name is then assigned a page rank parameter. If the page rank parameter is below a threshold value, then the method compares the identified domain name to a list of well-known or high page rank domain names. A similarity parameter is then assigned to the identified domain name to indicate if the hyperlink is misleading. If the link is misleading, the method may implement some configurable remedial action, such as alerting the user or disabling the hyperlink.Type: ApplicationFiled: January 11, 2007Publication date: July 17, 2008Inventors: Cary Lee Bates, James Edward Carey, Jason J. Illg
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Patent number: 7390689Abstract: Methods and systems for absorbing infrared light, and for emitting current are described. A sample, such as a sample containing mainly silicon, is microstructured by at least one laser pulse to produce cone-like structures on the exposed surface. Such microstructuring enhances the infrared absorbing, and current emission properties of the sample.Type: GrantFiled: May 24, 2002Date of Patent: June 24, 2008Assignee: President and Fellows of Harvard CollegeInventors: Eric Mazur, James Edward Carey, III, Catherine H. Crouch, Rebecca Jane Younkin, Claudia Wu
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Patent number: 7354792Abstract: The present invention provides methods of fabricating a radiation-absorbing semiconductor wafer by irradiating at least one surface location of a silicon substrate, e.g., an n-doped crystalline silicon, by a plurality of temporally short laser pulses, e.g., femtosecond pulses, while exposing that location to a substance, e.g., SF6, having an electron-donating constituent so as to generate a substantially disordered surface layer (i.e., a microstructured layer) that incorporates a concentration of that electron-donating constituent, e.g., sulfur. The substrate is also annealed at an elevated temperature and for a duration selected to enhance the charge carrier density in the surface layer. For example, the substrate can be annealed at a temperature in a range of about 700 K to about 900 K.Type: GrantFiled: September 24, 2004Date of Patent: April 8, 2008Assignee: President and Fellows of Harvard CollegeInventors: James Edward Carey, III, Eric Mazur
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Publication number: 20080059421Abstract: Electronic messaging systems, a machine-accessible medium, and methods for text-based electronic communication. In one embodiment, a plurality of databases are provided. The databases each define shorthand terms with one or more longhand terms. A shorthand term is targeted within a text message, and the databases are searched for corresponding longhand terms. The longhand terms are selected for display according to factors such as user preferences, the identities of participants to the text communication, and the context of the text message. Abbreviations, shorthand, and other jargon sent by one user is thereby interpreted. For example, one of the longhand terms may be substituted in-line with the text message. Alternatively, all matches for the shorthand term found in the databases may be listed in descending order according to relevancy.Type: ApplicationFiled: August 29, 2006Publication date: March 6, 2008Inventors: Randall Paul Baartman, James Edward Carey, Jason J. Illg, John Stephen Mysak
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Patent number: 7085756Abstract: A computer-implemented method, system and computer product arranged for use by a requester of data in an environment of coupled requesters and providers, the method comprising, invoking a selection strategy mechanism having one or more replaceable selection strategies, and selecting a provider through operation of the replaceable selection strategy, wherein the replaceable selection strategy is applied while performing one or more search queries directed to the providers.Type: GrantFiled: May 8, 2003Date of Patent: August 1, 2006Assignee: International Business Machines CorporationInventors: James Edward Carey, Bradley William Fawcett
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Patent number: 7057256Abstract: In one aspect, the present invention provides a silicon photodetector having a surface layer that is doped with sulfur inclusions with an average concentration in a range of about 0.5 atom percent to about 1.5 atom percent. The surface layer forms a diode junction with an underlying portion of the substrate. A plurality of electrical contacts allow application of a reverse bias voltage to the junction in order to facilitate generation of an electrical signal, e.g., a photocurrent, in response to irradiation of the surface layer. The photodetector exhibits a responsivity greater than about 1 A/W for incident wavelengths in a range of about 250 nm to about 1050 nm, and a responsivity greater than about 0.1 A/W for longer wavelengths, e.g., up to about 3.5 microns.Type: GrantFiled: September 24, 2004Date of Patent: June 6, 2006Assignee: President & Fellows of Harvard CollegeInventors: James Edward Carey, III, Eric Mazur