Patents by Inventor Tom Allen Agan
Tom Allen Agan 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: 7847586Abstract: A logic gate array is provided. The logic gate comprises a silicon substrate, a first logic gate layer on top of the silicon substrate, a second logic gate layer on top of the first logic gate layer, and a routing layer between the first and second logic gate layers for routing magnetic gates in the first and second logic gate layers, wherein the first logic gate layer, the second logic gate layer, and the routing layer are electrically connected by vias.Type: GrantFiled: August 20, 2007Date of Patent: December 7, 2010Assignee: Northern Lights Semiconductor Corp.Inventors: Tom Allen Agan, James Chyi Lai
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Patent number: 7745893Abstract: A magnetic transistor includes a first magnetic section, a second magnetic section, a conductive section, a first metal terminal, and a second metal terminal. The conductive section is disposed between and is in direct contact with both the first and second magnetic section. The first metal terminal is disposed on one end of an opposite surface to the conductive section of the first magnetic section. The second metal terminal is disposed on one end approximately diagonal to the first metal terminal on an opposite surface to the conductive section of the second magnetic section. While the magnetic transistor structure is turned on, a current flows through the first magnetic section and the second magnetic section via the conductive section.Type: GrantFiled: October 6, 2006Date of Patent: June 29, 2010Assignee: Northern Lights Semiconductor Corp.Inventors: James Chyi Lai, Tom Allen Agan
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Patent number: 7539046Abstract: An integrated circuit with magnetic memory has a silicon transistor layer, at least one magnetic memory layer, and a metal routing layer. The silicon transistor layer is arranged to generate several logic operation functions. The magnetic memory layer is arranged to store the data required by the logic operation functions. The metal routing layer has several conducting lines to transmit the data between the silicon transistor layer and the magnetic memory layer.Type: GrantFiled: January 31, 2007Date of Patent: May 26, 2009Assignee: Northern Lights Semiconductor Corp.Inventors: James Chyi Lai, Tom Allen Agan
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Publication number: 20090095338Abstract: A solar power source includes a solar panel and a magnetic capacitor. The solar panel receives solar energy, and the magnetic capacitor stores energy and provides electricity. The solar panel has a first side facing the sun, and the magnetic capacitor is attached to a second side of the solar panel. The magnetic capacitor has high valued storage capacitance to handle the charge generated by the solar panel, and has a barrier to leakage current, so that storage time is increased. The solar power source is applicable for many applications and has low energy transport costs. The solar power source may have a higher number of re-charging cycles compared to batteries, and may be partially charged or discharged without a reduction in charge capacity. Two methods of manufacturing the solar power source are also provided.Type: ApplicationFiled: October 11, 2007Publication date: April 16, 2009Inventors: James Chyl Lai, Tom Allen AGAN, Chung Ping Lai
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Publication number: 20090090946Abstract: A DRAM cell includes a substrate, a transistor, and a magnetic capacitor. The substrate is composed of semiconductor material with a main surface, the transistor is formed at the main surface, and the magnetic capacitor is formed in a metal layer. The transistor includes a source region and a drain region formed at the main surface of the substrate. The transistor also includes a control gate placed between the source region and the drain region, and separated from the substrate by a thin control dielectric. The magnetic capacitor includes a first electrode layer, a dielectric layer formed on the surface of the first electrode layer, and a second electrode layer formed on the surface of the dielectric layer. The DRAM cell increases the density, simplifies the manufacturing process, and reduces or eliminates the refresh rate. A DRAM cell with the magnetic capacitor formed in multiple layers is also provided.Type: ApplicationFiled: October 5, 2007Publication date: April 9, 2009Inventors: James Chyi Lai, Tom Allen Agan
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Publication number: 20090085085Abstract: A DRAM cell includes a substrate, a transistor, and a capacitor. The substrate is composed of semiconductor material with a main surface, the transistor is formed at the main surface, and the capacitor is formed in a metal layer. The transistor includes a source region and a drain region formed at the main surface of the substrate. The transistor also includes a control gate placed between the source region and the drain region, and separated from the substrate by a thin control dielectric. The capacitor includes a first electrode layer, a dielectric layer formed on the surface of the first electrode layer, and a second electrode layer formed on the surface of the dielectric layer. The DRAM cell increases the density and simplifies the manufacturing process. A DRAM cell with the capacitor formed in multiple layers is also provided.Type: ApplicationFiled: October 1, 2007Publication date: April 2, 2009Inventors: James Chyi Lai, Tom Allen Agan
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Publication number: 20090085529Abstract: An electronics system module is provided. The electronics system module includes an electronics device and a power source. The power source includes a capacitor coupling to the electronics device and providing power thereto and an adjustable resistance connected in series between the capacitor and the electronics device. The resistance is adjusted by a control mechanism, so that the voltage supplied to the electronics device from the capacitor is constant.Type: ApplicationFiled: October 1, 2007Publication date: April 2, 2009Inventors: Tom Allen Agan, James Chyi Lai, Chien-Chiang Chan
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Publication number: 20090050999Abstract: An apparatus to store electrical energy is provided. The apparatus includes a first magnetic section, a second magnetic section, and a semiconductor section configured between the first magnetic section and the second magnetic section, wherein the junction between the semiconductor section and the first and second magnetic section forms a diode barrier preventing current flow to store electrical energy.Type: ApplicationFiled: August 21, 2007Publication date: February 26, 2009Inventors: James Chyi Lai, Tom Allen Agan
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Publication number: 20090051386Abstract: A logic gate array is provided. The logic gate comprises a silicon substrate, a first logic gate layer on top of the silicon substrate, a second logic gate layer on top of the first logic gate layer, and a routing layer between the first and second logic gate layers for routing magnetic gates in the first and second logic gate layers, wherein the first logic gate layer, the second logic gate layer, and the routing layer are electrically connected by vias.Type: ApplicationFiled: August 20, 2007Publication date: February 26, 2009Applicant: NORTHERN LIGHTS SEMICONDUCTOR CORP.Inventors: Tom Allen Agan, James Chyi Lai
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Publication number: 20090046502Abstract: A magnetic memory cell is provided. The memory cell includes a metal device, a first word line, and a second word line. The metal device includes a first magnetic layer having a first dipole; a second magnetic layer having a second dipole; and an conductive layer located between the first and second magnetic layers. The first word line is positioned near the first magnetic layer to change the direction of the first dipole. The second word line is positioned near the second magnetic layer to change the direction of the second dipole. A method of reading/writing a bit in the magnetic memory cell is also provided.Type: ApplicationFiled: August 16, 2007Publication date: February 19, 2009Applicant: NORTHERN LIGHTS SEMICONDUCTOR CORP.Inventors: Tom Allen Agan, James Chyi Lai
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Patent number: 7492021Abstract: A magnetic transistor includes a magnetic section, a thin semiconductor layer, a first metal terminal, a second metal terminal, and a third metal terminal. The thin semiconductor layer is disposed on the magnetic section. The first metal terminal is disposed on one end of the magnetic section, acting as a gate of the magnetic transistor and capable of providing a conductive channel in the thin semiconductor layer. The second metal terminal and the third metal terminal are disposed respectively on one end and the other end of the thin semiconductor layer, capable of creating a conductive region. While the magnetic transistor is turned on, a current path is formed between the second metal terminal and the third metal terminal via the thin semiconductor layer.Type: GrantFiled: October 16, 2006Date of Patent: February 17, 2009Assignee: Northern Lights Semiconductor Corp.Inventors: James Chyi Lai, Tom Allen Agan
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Publication number: 20090015983Abstract: Capacitors including a first conductive material having a first upper finger located on an upper plane and a first lower finger located on a lower plane. The capacitor also includes a second conductive material having a second upper finger and a second lower finger, the second upper finger located on the upper plane such that the second upper finger is next to the first upper finger forming a first interface and on top of the first lower finger forming a second interface, the second lower finger located on the lower plane such that the second lower finger is next to the first lower finger forming a third interface and below the first upper finger forming a fourth interface. Finally, the capacitor includes a dielectric material located in the first interface, the second interface, the third interface, and the fourth interface.Type: ApplicationFiled: July 12, 2007Publication date: January 15, 2009Inventors: Tom Allen Agan, James Chyi Lai, David Ta-Ching Chang
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Patent number: 7436218Abstract: A magnetic AND/NOR circuit has a first, a second, a third, and a fourth magnetic transistor. These four magnetic transistors as ordinary transistors that can be turned on or turned off by the control of several metal devices respectively disposed around the magnetic transistors. The ‘AND’ and ‘NOR’ logic functions of the binary system can be implemented by the control of these metal devices.Type: GrantFiled: October 13, 2006Date of Patent: October 14, 2008Assignee: Northern Lights Semiconductor Corp.Inventors: Tom Allen Agan, James Chyi Lai
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Method for reducing word line current in magnetoresistive random access memory and structure thereof
Patent number: 7423328Abstract: The method for reducing word line currents in magnetoresistive random access memory (MRAM) includes disposing the MRAM bit between a pair of word lines according to a magnetic field strength is increased when a distance between a magnetic section and its corresponding word line is decreased.Type: GrantFiled: October 6, 2006Date of Patent: September 9, 2008Assignee: Northern Lights Semiconductor Corp.Inventors: James Chyi Lai, Tom Allen Agan -
Publication number: 20080180993Abstract: An integrated circuit with magnetic memory has a silicon transistor layer, at least one magnetic memory layer, and a metal routing layer. The silicon transistor layer is arranged to generate several logic operation functions. The magnetic memory layer is arranged to store the data required by the logic operation functions. The metal routing layer has several conducting lines to transmit the data between the silicon transistor layer and the magnetic memory layer.Type: ApplicationFiled: January 31, 2007Publication date: July 31, 2008Applicant: NORTHERN LIGHTS SEMICONDUCTOR CORP.Inventors: James Chyi Lai, Tom Allen Agan
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Patent number: 7405599Abstract: A magnetic transistor circuit with the OR, NOR, NAND and AND functions has a first, a second, a third, a fourth magnetic transistor, and a routing line. These four magnetic transistors as ordinary transistors that can be turned on or turned off by the control of several metal devices respectively disposed around the magnetic transistors. The OR, NOR, NAND and AND logic functions of the binary system can be implemented by the control of these metal devices.Type: GrantFiled: October 16, 2006Date of Patent: July 29, 2008Assignee: Northern Lights Semiconductor Corp.Inventors: Tom Allen Agan, James Chyi Lai
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Publication number: 20080174933Abstract: An apparatus to store electrical energy has a first magnetic unit, a second magnetic unit, and a dielectric section. The first magnetic unit has a first magnetic section and a second magnetic section. The second magnetic unit has a third magnetic section and a fourth magnetic section. The dielectric section is configured between the first magnetic unit and the second magnetic unit. The dielectric section is arranged to store electrical energy, and dipoles of the first magnetic section, the second magnetic section, the third magnetic section, and the fourth magnetic section are arranged to prevent electrical energy leakage.Type: ApplicationFiled: January 19, 2007Publication date: July 24, 2008Applicant: WESTERN LIGHTS SEMICONDUCTOR CORP.Inventors: James Chyi Lai, Tom Allen Agan
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Publication number: 20080174936Abstract: An apparatus to store electrical energy has a first magnetic section, a second magnetic section and a dielectric section configured between the first magnetic section and the second magnetic section. The dielectric section is arranged to store electrical energy, and dipoles of the first magnetic section and the second magnetic section are arranged to prevent electrical energy leakage.Type: ApplicationFiled: January 19, 2007Publication date: July 24, 2008Applicant: WESTERN LIGHTS SEMICONDUCTOR CORP.Inventors: James Chyi Lai, Tom Allen Agan
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Patent number: 7403043Abstract: A magnetic transistor circuit representing the data ‘1’ and ‘0’ of the binary system comprises a routing line and a magnetic transistor unit. The routing line has a current going through with a first current direction or a second current direction, wherein the first current direction and the second current direction are opposite to represent the data ‘1’ and the data ‘0’ respectively. The magnetic transistor unit couples to the routing line at an output end to control the direction of the current going through the routing line.Type: GrantFiled: October 13, 2006Date of Patent: July 22, 2008Assignee: Northern Lights Semiconductor Corp.Inventors: Tom Allen Agan, James Chyi Lai
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Patent number: 7400176Abstract: A magnetic OR/NAND circuit has a first, a second, a third, and a fourth magnetic transistor. These four magnetic transistors that work as the ordinary transistors can be turned on or turned off by the control of several metal devices respectively disposed around the magnetic transistors. The ‘OR’ and ‘NAND’ logic functions of the binary system can be implemented by the control of these metal devices.Type: GrantFiled: October 13, 2006Date of Patent: July 15, 2008Assignee: Northern Lights Semiconductor Corp.Inventors: Tom Allen Agan, James Chyi Lai