Patents by Inventor Santiranjan Shannigrahi
Santiranjan Shannigrahi 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: 9701585Abstract: The present invention provides a product and manufacturing method for electro-optic ceramic material having the composition (A?(1-y)A?y)1-XLnxM(1-2X/5)O3 wherein 0<x<0.1; 0<y<1; A? and A? are independently, alkali metals; Ln is a lanthanide metal; and M is a transition metal. The present invention provides a product and manufacturing method for an electro-optic device that is operable at room temperature and the properties of which are tunable by an applied external electric field.Type: GrantFiled: February 6, 2014Date of Patent: July 11, 2017Assignee: Agency for Science, Technology and ResearchInventors: Santiranjan Shannigrahi, Chee Kiang Ivan Tan, Hong Fei Liu, Kui Yao
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Publication number: 20150376068Abstract: The present invention provides a product and manufacturing method for electro-optic ceramic material having the composition (A?(1-y)A?y)1-XLnxM(1-2X/5)O3 wherein 0<x<0.1; 0<y<1; A? and A? are independently, alkali metals; Ln is a lanthanide metal; and M is a transition metal. The present invention provides a product and manufacturing method for an electro-optic device that is operable at room temperature and the properties of which are tunable by an applied external electric field.Type: ApplicationFiled: February 6, 2014Publication date: December 31, 2015Applicant: Agency for Science, Tecnology and ResearchInventors: Santiranjan Shannigrahi, Chee Kiang Ivan Tan, Hong Fei Liu, Kui Yao
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Patent number: 8334454Abstract: The present invention provides a thin film photovoltaic device and a method of forming a thin film photovoltaic device. The thin film photovoltaic device has a substrate, a thin film layer formed on the substrate and first and second electrodes formed on one side of the thin film layer. By applying an electric field over the first and second electrodes, the thin film layer is polarized in a direction parallel to the surface plane of the film. Upon exposure to light, the thin film layer converts light energy into electricity. According to the method, a thin film layer is formed on a substrate. A first electrode and a second electrode are formed on one side of the thin film layer. By applying an electric field over the first and second electrodes, the thin film layer is polarized in a direction parallel to the surface plane of the film.Type: GrantFiled: December 3, 2010Date of Patent: December 18, 2012Assignee: Agency for Science, Technology and ResearchInventors: Kui Yao, Santiranjan Shannigrahi, Mei M. Chen, Bee K. Gan
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Publication number: 20110081733Abstract: The present invention provides a thin film photovoltaic device and a method of forming a thin film photovoltaic device. The thin film photovoltaic device has a substrate, a thin film layer formed on the substrate and first and second electrodes formed on one side of the thin film layer. By applying an electric field over the first and second electrodes, the thin film layer is polarized in a direction parallel to the surface plane of the film. Upon exposure to light, the thin film layer converts light energy into electricity. According to the method, a thin film layer is formed on a substrate. A first electrode and a second electrode are formed on one side of the thin film layer. By applying an electric field over the first and second electrodes, the thin film layer is polarized in a direction parallel to the surface plane of the film.Type: ApplicationFiled: December 3, 2010Publication date: April 7, 2011Inventors: Kui Yao, Santiranjan Shannigrahi, Mei M. Chen, Bee K. Gan
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Patent number: 7851697Abstract: The present invention provides a thin film photovoltaic device and a method of forming a thin film photovoltaic device. The thin film photovoltaic device has a substrate, a thin film layer formed on the substrate and first and second electrodes formed on one side of the thin film layer. By applying an electric field over the first and second electrodes, the thin film layer is polarized in a direction parallel to the surface plane of the film. Upon exposure to light, the thin film layer converts light energy into electricity. According to the method, a thin film layer is formed on a substrate. A first electrode and a second electrode are formed on one side of the thin film layer. By applying an electric field over the first and second electrodes, the thin film layer is polarized in a direction parallel to the surface plane of the film.Type: GrantFiled: March 21, 2006Date of Patent: December 14, 2010Assignee: Agency for Science, Technology and ResearchInventors: Kui Yao, Santiranjan Shannigrahi, Mei M. Chen, Bee K. Gan
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Publication number: 20100019623Abstract: An electromechanical device includes a support structure formed by attaching inner surfaces of second and third substrates to a first substrate. The support structure includes at least one cavity between the second and third layers. An electromechanical active element is provided on an outer surface of at least one of the second or third layers.Type: ApplicationFiled: October 5, 2009Publication date: January 28, 2010Applicants: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, SONY CORPORATIONInventors: Kui Yao, Xiao Song Eric Tang, Jian Zhang, Santiranjan Shannigrahi, Peng Gao, Xujiang HE
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Patent number: 7596841Abstract: An electromechanical device includes a support structure formed by attaching inner surfaces of second and third substrates to a first substrate. The support structure includes at least one cavity between the second and third layers. An electromechanical active element is provided on an outer surface of at least one of the second or third layers.Type: GrantFiled: April 23, 2004Date of Patent: October 6, 2009Assignees: Agency for Science Technology and Research, Sony CorporationInventors: Kui Yao, Xiao Song Eric Tang, Peng Gao, Xujiang He, Jian Zhang, Santiranjan Shannigrahi
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Publication number: 20070164634Abstract: An electromechanical device includes a support structure formed by attaching inner surfaces of second and third substrates to a first substrate. The support structure includes at least one cavity between the second and third layers. An electromechanical active element is provided on an outer surface of at least one of the second or third layers.Type: ApplicationFiled: April 23, 2004Publication date: July 19, 2007Applicants: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, SONY CORPORATIONInventors: Kui Yao, Xiao Song Tang, Peng Gao, Xujiang He, Jian Zhang, Santiranjan Shannigrahi
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Patent number: 7208806Abstract: A method for fabricating a MEMS device comprises providing a substrate having a back side, a front side opposite to the back side and a periphery portion. A desired microstructure is formed on the back side of the substrate. The substrate is then supported for rotation. A precursor solution is deposited on the front side of the substrate during rotation so that a thin film layer may be formed thereon. During formation of the thin film layer, the substrate is supported and rotated that the microstructure formed on the back side is protected.Type: GrantFiled: November 14, 2005Date of Patent: April 24, 2007Assignee: Agency for Science, Technology and ResearchInventors: Kui Yao, Xujiang He, Jian Zhang, Santiranjan Shannigrahi
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Publication number: 20060213549Abstract: The present invention provides a thin film photovoltaic device and a method of forming a thin film photovoltaic device. The thin film photovoltaic device has a substrate, a thin film layer formed on the substrate and first and second electrodes formed on one side of the thin film layer. By applying an electric field over the first and second electrodes, the thin film layer is polarized in a direction parallel to the surface plane of the film. Upon exposure to light, the thin film layer converts light energy into electricity. According to the method, a thin film layer is formed on a substrate. A first electrode and a second electrode are formed on one side of the thin film layer. By applying an electric field over the first and second electrodes, the thin film layer is polarized in a direction parallel to the surface plane of the film.Type: ApplicationFiled: March 21, 2006Publication date: September 28, 2006Inventors: Kui Yao, Santiranjan Shannigrahi, Mei Chen, Bee Gan
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Publication number: 20060068564Abstract: A method for fabricating a MEMS device comprises providing a substrate having a back side, a front side opposite to the back side and a periphery portion. A desired microstructure is formed on the back side of the substrate. The substrate is then supported for rotation. A precursor solution is deposited on the front side of the substrate during rotation so that a thin film layer may be formed thereon. During formation of the thin film layer, the substrate is supported and rotated that the microstructure formed on the back side is protected.Type: ApplicationFiled: November 14, 2005Publication date: March 30, 2006Inventors: Kui Yao, Xujiang He, Jian Zhang, Santiranjan Shannigrahi
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Patent number: 7018862Abstract: A method for fabricating a MEMS device comprises providing a substrate having a back side, a front side opposite to the back side and a periphery portion. A desired microstructure is formed on the back side of the substrate. The substrate is then supported for rotation. A precursor solution is deposited on the front side of the substrate during rotation so that a thin film layer may be formed thereon. During formation of the thin film layer, the substrate is supported and rotated that the microstructure formed on the back side is protected.Type: GrantFiled: July 15, 2003Date of Patent: March 28, 2006Assignee: Agency for Science, Technology and ResearchInventors: Kui Yao, Xujiang He, Jian Zhang, Santiranjan Shannigrahi
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Publication number: 20050014306Abstract: A method for fabricating a MEMS device comprises providing a substrate having a back side, a front side opposite to the back side and a periphery portion. A desired microstructure is formed on the back side of the substrate. The substrate is then supported for rotation. A precursor solution is deposited on the front side of the substrate during rotation so that a thin film layer may be formed thereon. During formation of the thin film layer, the substrate is supported and rotated that the microstructure formed on the back side is protected.Type: ApplicationFiled: July 15, 2003Publication date: January 20, 2005Inventors: Kui Yao, Xujiang He, Jian Zhang, Santiranjan Shannigrahi