Charge Trapping Diode (epo) Patents (Class 257/E29.331)
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Patent number: 8390100Abstract: Conductive oxide electrodes are described, including a bi-layer barrier structure electrically coupled with an adhesion layer, and an electrode layer, wherein the bi-layer barrier structure includes a first barrier layer electrically coupled with the adhesion layer, and a second barrier layer electrically coupled with the first barrier layer and to the electrode layer. The conductive oxide electrodes and their associated layers can be fabricated BEOL above a substrate that includes active circuitry fabricated FEOL and electrically coupled with the conductive oxide electrodes through an interconnect structure that can also be fabricated FEOL. The conductive oxide electrodes can be used to electrically couple a plurality of non-volatile re-writeable memory cells with conductive array lines in a two-terminal cross-point memory array fabricated BEOL over the substrate and its active circuitry, the active circuitry configured to perform data operations on the memory array.Type: GrantFiled: December 18, 2009Date of Patent: March 5, 2013Assignee: Unity Semiconductor CorporationInventor: Jonathan Bornstein
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High fill-factor laser-treated semiconductor device on bulk material with single side contact scheme
Patent number: 8212327Abstract: The present disclosure provides systems and methods for configuring and constructing a single photo detector or array of photo detectors with all fabrications circuitry on a single side of the device. Both the anode and the cathode contacts of the diode are placed on a single side, while a layer of laser treated semiconductor is placed on the opposite side for enhanced cost-effectiveness, photon detection, and fill factor.Type: GrantFiled: August 9, 2010Date of Patent: July 3, 2012Assignee: SiOnyx, Inc.Inventors: Neal T. Kurfiss, James E. Carey, Xia Li -
Patent number: 7897453Abstract: An integrated circuit including vertically oriented diode structures between conductors and methods of fabricating the same are provided. The diode is a metal-insulator diode having a first metal layer, a first insulating layer, a second insulating layer and a second metal layer. At least one asymmetric interface state is provided at the intersection of at least two of the layers to increase the ratio of the diode's on-current to its reverse bias leakage current. In various examples, the asymmetric interface state is formed by a positive or negative sheet charge that alters the barrier height and/or electric field at one or more portions of the diode. Two-terminal devices such as passive element memory cells can utilize the diode as a steering element in series with a state change element. The devices can be formed using pillar structures at the intersections of upper and lower conductors.Type: GrantFiled: December 16, 2008Date of Patent: March 1, 2011Assignee: SanDisk 3D LLCInventors: Xiying Chen, Deepak Chandra Sekar, Mark Clark, Dat Nguyen, Tanmay Kumar
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Patent number: 7888200Abstract: In some aspects, a method of forming a memory circuit is provided that includes (1) forming a two-terminal memory element on a substrate between a gate layer and a first metal layer of the memory circuit; and (2) forming a CMOS transistor on the substrate, the CMOS transistor for programming the two-terminal memory element. Numerous other aspects are provided.Type: GrantFiled: January 31, 2007Date of Patent: February 15, 2011Assignee: Sandisk 3D LLCInventor: Christopher J. Petti
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Patent number: 7732281Abstract: Methods for fabricating dual bit memory devices are provided. In an exemplary embodiment of the invention, a method for fabricating a dual bit memory device comprises forming a charge trapping layer overlying a substrate and etching an isolation opening through the charge trapping layer. An oxide layer is formed overlying the charge trapping layer and within the isolation opening. A control gate is fabricated overlying the isolation opening and portions of the charge trapping layer adjacent to the isolation opening. The oxide layer and the charge trapping layer are etched using the control gate as an etch mask and impurity dopants are implanted into the substrate using the control gate as an implantation mask.Type: GrantFiled: April 24, 2006Date of Patent: June 8, 2010Assignee: Spansion LLCInventors: Minghao Shen, Fred Cheung, Ning Cheng, Wei Zheng, Hiroyuki Kinoshita, Chih-Yuh Yang
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Patent number: 7670963Abstract: A method for fabricating a nonvolatile charge trap memory device is described. The method includes first forming a tunnel dielectric layer on a substrate in a first process chamber of a single-wafer cluster tool. A charge-trapping layer is then formed on the tunnel dielectric layer in a second process chamber of the single-wafer cluster tool. A top dielectric layer is then formed on the charge-trapping layer in the second or in a third process chamber of the single-wafer cluster tool.Type: GrantFiled: September 26, 2007Date of Patent: March 2, 2010Assignee: Cypress Semiconductor CorportionInventors: Krishnaswamy Ramkumar, Sagy Levy
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Patent number: 7265422Abstract: Techniques for ESD protection are provided. An ESD protection device includes a first well region and a second well region disposed in a semiconductor substrate, with an isolation region therebetween. N+ implant regions are disposed in the second well region and are coupled in common at a first node. NLDD regions are disposed between the N+ implant regions, and pocket implants underlie each of the NLDD regions. Current discharge paths are defined by corresponding NLDD regions and pocket implants when a voltage of the first node exceeds a breakdown voltage. In a specific embodiment, the breakdown voltage is less than a breakdown voltage for a logic gate oxide.Type: GrantFiled: August 29, 2005Date of Patent: September 4, 2007Assignee: Semiconductor Manufacturing International (Shanghai) CorporationInventors: Talee Yu, Chi Kang Liu