Patents Assigned to Interuniversitair Microelektronica Centrum vzw (IMEC)
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Publication number: 20120034787Abstract: The present invention provides an etching solution for revealing defects in a germanium layer, a method for revealing defects in a germanium layer using such an etching solution and to a method for making such an etching solution. The etching solution according to embodiments of the present invention is able to exhibit an etch rate of between 4 nm·min?1 and 450 nm·min?1, which makes it suitable to be used for revealing defects in a thin layer of germanium, i.e. in a layer of germanium with a thickness of between 20 nm and 10 ?m, for example between 20 nm and 2 ?m, between 20 nm and 1 ?m or between 20 nm and 200 nm.Type: ApplicationFiled: October 18, 2011Publication date: February 9, 2012Applicant: Interuniversitair Microelektronica Centrum vzw (IMEC)Inventors: Laurent Souriau, Valentina Terzieva
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Publication number: 20110183509Abstract: A non-volatile memory device having a control gate on top of the second dielectric (interpoly or blocking dielectric), at least a bottom layer of the control gate in contact with the second dielectric being constructed in a material having a predefined high work-function and showing a tendency to reduce its work-function when in contact with a group of certain high-k materials after full device fabrication. At least a top layer of the second dielectric, separating the bottom layer of the control gate from the rest of the second dielectric, is constructed in a predetermined high-k material, chosen outside the group for avoiding a reduction in the work-function of the material of the bottom layer of the control gate. In the manufacturing method, the top layer is created in the second dielectric before applying the control gate.Type: ApplicationFiled: April 5, 2011Publication date: July 28, 2011Applicants: Interuniversitair Microelektronica Centrum vzw (IMEC), Samsung Electronics Co. Ltd.Inventors: Bogdan Govoreanu, HongYu Yu, Hag-Ju Cho
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Publication number: 20100084632Abstract: A novel nanostructure device operating in Junction Field Effect Transistor (JFET) mode is provided that avoids the majority of the carriers that interact with the interface (e.g. surface roughness, high-k scattering).Type: ApplicationFiled: October 6, 2008Publication date: April 8, 2010Applicant: Interuniversitair Microelektronica Centrum vzw (IMEC)Inventors: Bart Soree, Wim Magnus
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Publication number: 20100012977Abstract: A semiconductor device is disclosed. In one aspect, the device has a first and second active layer on a substrate, the second active layer having a higher bandgap than the first active layer, being substantially Ga-free and including at least Al?. The device has a gate insulating layer on a part of the second active layer formed by thermal oxidation of a part of the second active layer. The device has a gate electrode on at least a part of the gate insulating layer and a source electrode and drain electrode on the second active layer. The device has, when in operation and when the gate and source electrode are at the same voltage, a two-dimensional electron gas layer between the first and second active layer only outside the location of the gate electrode and not at the location of the gate electrode.Type: ApplicationFiled: July 14, 2009Publication date: January 21, 2010Applicant: Interuniversitair Microelektronica Centrum vzw (IMEC)Inventors: Joff Derluyn, Farid Medjdoub, Marianne Germain
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Publication number: 20100002236Abstract: A method is disclosed for determining the inactive doping concentration of a semiconductor region using a PMOR method. In one aspect, the method includes providing two semiconductor regions having substantially the same known as-implanted concentration but known varying junction depths. The method includes determining on one of these semiconductor regions the as-implanted concentration. The semiconductor regions are then partially activated. PMOR measures are then performed on the partially activated semiconductor regions to measure (a) the signed amplitude of the reflected probe signal as function of junction depth and (b) the DC probe reflectivity as function of junction depth. The method includes extracting from these measurements the active doping concentration and then calculating the inactive doping concentration using the determined total as-implanted concentration and active doping concentration.Type: ApplicationFiled: June 25, 2009Publication date: January 7, 2010Applicants: Interuniversitair Microelektronica Centrum vzw (IMEC), Katholieke Universiteit LeuvenInventor: Janusz Bogdanowicz
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Publication number: 20090317639Abstract: A method for manufacturing a stretchable electronic device is disclosed. In one aspect, the device comprises at least one electrically conductive channel connecting at least two components of the device. The method comprises forming the channel by laser-cutting a flexible substrate into a predetermined geometric shape.Type: ApplicationFiled: June 24, 2008Publication date: December 24, 2009Applicants: Interuniversitair Microelektronica Centrum vzw (IMEC), Universiteit GentInventors: Fabrice Axisa, Jan Vanfleteren, Thomas Vervust
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Publication number: 20090313730Abstract: An atomic force microscopy probe configuration and a method for manufacturing the same are disclosed. In one aspect, the probe configuration includes a cantilever, and a planar tip attached to the cantilever. The cantilever only partially overlaps the planar tip, and extends along a longitudinal direction thereof. The planar tip is of a two-dimensional geometry having at least one corner remote from the cantilever, which corner during use contacts a surface to be scanned.Type: ApplicationFiled: June 11, 2009Publication date: December 17, 2009Applicant: Interuniversitair Microelektronica Centrum vzw (IMEC)Inventors: Thomas Hantschel, Wilfried Vandervorst, Kai Arstila
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Publication number: 20090283835Abstract: A method for manufacturing a dual workfunction semiconductor device and the device made thereof are disclosed. In one aspect, the method includes manufacturing a first transistor in a first region and a second transistor in a second region of a substrate, the first transistor including a first gate stack, the first gate stack having a first gate dielectric capping layer and a first metal gate electrode layer. The second gate stack is similar to the first gate stack. The method includes applying a first thermal budget to the first gate dielectric capping layer and a second thermal budget to the second gate dielectric capping material to tune the workfunction of the first and second gate stack, the first thermal budget being smaller than the second thermal budget such that after the thermal treatment the first and the second gate stack have different work functions.Type: ApplicationFiled: April 22, 2009Publication date: November 19, 2009Applicants: Interuniversitair Microelektronica Centrum vzw (IMEC), Taiwan Semiconductor Manufacturing Company, Ltd. (TSMC)Inventors: HongYu Yu, Shou-Zen Chang, Thomas Y. Hoffmann, Philippe Absil
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Publication number: 20090283756Abstract: A quantum well device and a method for manufacturing the same are disclosed. In one aspect, the device includes a quantum well region overlying a substrate, a gate region overlying a portion of the quantum well region, a source and drain region adjacent to the gate region. The quantum well region includes a buffer structure overlying the substrate and including semiconductor material having a first band gap, a channel structure overlying the buffer structure including a semiconductor material having a second band gap, and a barrier layer overlying the channel structure and including an un-doped semiconductor material having a third band gap. The first and third band gap are wider than the second band gap. Each of the source and drain region is self-aligned to the gate region and includes a semiconductor material having a doped region and a fourth band gap wider than the second band gap.Type: ApplicationFiled: May 8, 2009Publication date: November 19, 2009Applicants: Interuniversitair Microelektronica Centrum vzw (IMEC), Katholieke Universiteit LeuvenInventors: Geert Hellings, Geert Eneman, Marc Meuris
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Publication number: 20090272976Abstract: A method for producing one or more nMOSFET devices and one or more pMOSFET devices on the same semiconductor substrate is disclosed. In one aspect, the method relates to the use of a single activation anneal that serves for both Si NMOS and Ge pMOS. By use of a solid phase epitaxial regrowth (SPER) process for the Si nMOS, the thermal budget for the Si NMOS can be lowered to be compatible with Ge pMOS.Type: ApplicationFiled: April 28, 2009Publication date: November 5, 2009Applicant: Interuniversitair Microelektronica Centrum vzw (IMEC)Inventors: David Paul Brunco, Brice De Jaeger, Simone Severi
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Publication number: 20090273010Abstract: A method for removing impurities from at least one semiconductor device layer during manufacturing of a semiconductor device is disclosed. The semiconductor device layer has a compound semiconductor material and/or germanium. Each heating process performed during the manufacturing of the semiconductor device after provision of the semiconductor device layer has a low thermal budget determined by temperatures equal to or lower than about 900° C. and time periods equal to or lower than about 5 minutes. In one aspect, the method includes providing a germanium gettering layer with a higher solubility for the impurities than the semiconductor device layer. The germanium gettering layer is provided at least partly in direct or indirect contact with the at least one semiconductor device layer, such that impurities can diffuse from the at least one semiconductor device layer to the germanium gettering layer.Type: ApplicationFiled: May 1, 2009Publication date: November 5, 2009Applicants: Interuniversitair Microelektronica Centrum vzw (IMEC), UmicoreInventors: Eddy Simoen, Jan Vanhellemont
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Publication number: 20090261424Abstract: A dual workfunction semiconductor device and a device made thereof is disclosed. In one aspect, the device includes a first gate stack in a first region and a second gate stack in a second region. The first gate stack has a first effective workfunction, and the second gate stack has a second effective workfunction different from the first effective workfunction. The first gate stack includes a first gate dielectric capping layer, a gate dielectric host layer, a first metal gate electrode layer, a barrier metal gate electrode, a second gate dielectric capping layer, and a second metal gate electrode. The second gate stack includes a gate dielectric host layer, a first metal gate electrode, a second gate dielectric capping layer, and a second metal gate electrode.Type: ApplicationFiled: April 22, 2009Publication date: October 22, 2009Applicants: Interuniversitair Microelektronica Centrum vzw (IMEC), Taiwan Semiconductor Manufacturing Company, Ltd. (TSMC)Inventors: Shou-Zen Chang, HongYu Yu
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Publication number: 20090243103Abstract: A method is provided for incorporating zeolite crystals in patterned structures, the zeolite crystals having pores (channels) with an orientation which is defined by the topology of the zeolite crystal type and the geometry of the patterned structure, resulting in pores parallel with the length axis of the patterned structures. The patterned structures may be vias (vertical contacts) and trenches (horizontal lines) in a semiconductor substrate. These zeolite crystals can advantageously be used for dense and aligned nanocarbon growth or in other words growth of carbon nanostructures such as carbon nanotubes (CNT) within the pores of the zeolite structure. The growth of CNT is achieved within the porous structure of the zeolite crystals whereby the pores can be defined as confined spaces (channels) in nanometer dimensions acting as a micro-reactor for CNT growth.Type: ApplicationFiled: January 22, 2009Publication date: October 1, 2009Applicants: Interuniversitair Microelektronica Centrum vzw (IMEC), Katholieke Universiteit Leuven, K.U. Leuven R&DInventors: Pierre Jacobs, Bert Sels, Jasper Van Noyen, Caroline Whelan, Karen Maex, Filip de Clippel
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Publication number: 20090223832Abstract: The present invention is related to a method and apparatus for cleaning a semiconductor substrate including on a surface of the substrate at least one structure comprising a first conducting or semiconducting material, surrounded by a layer of a second conducting or semiconducting material, said layer essentially extending over the totality of said surface, the first and second material being in physical contact, the method comprising the steps of: providing the substrate, positioning a counter-electrode facing the substrate surface, and supplying an electrolytic fluid to the space between the surface and the electrode, the counter-electrode acting as an anode in the galvanic cell defined by the substrate surface, the cleaning fluid and the counter-electrode.Type: ApplicationFiled: January 7, 2009Publication date: September 10, 2009Applicants: Interuniversitair Microelektronica Centrum vzw (IMEC), Katholieke Universiteit Leuven, K.U.LEUVEN R&DInventors: Sylvain Garaud, Rita Vos, Leonardus Leunissen, Paul Mertens
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Publication number: 20090228874Abstract: A system and method for converting on a computer environment a first code into a second code to improve performance or lower energy consumption on a targeted programmable platform is disclosed. The codes represent an application. In one aspect, the method includes loading on the computer environment the first code and for at least part of the variables within the code the bit width required to have the precision and overflow behavior as demanded by the application. The method further includes converting the first code into the second code by grouping operations of the same type on the variables for joint execution on a functional unit of the targeted programmable platform, the grouping operations using the required bit width, wherein the functional unit supports one or more bit widths, the grouping operation being selected to use at least partially one of the supported bit widths.Type: ApplicationFiled: March 6, 2009Publication date: September 10, 2009Applicants: Interuniversitair Microelektronica Centrum vzw (IMEC), Katholieke Universiteit LeuvenInventors: Andy Lambrechts, Praveen Raghavan, Murali Jayapala, Francky Catthoor
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Publication number: 20090218702Abstract: One inventive aspect is related to a method of bonding two elements and micro-electronic devices produced according to such methods. In one aspect, a micro-electronic device includes a first and a second element, bonded together by a joining structure. The joining structure has a first micropattern portion, a second micropattern portion, and a joining portion in between the first and second micropattern portions. The first and second micropattern portions are made of cobalt. The joining portion includes intermetallic compounds of cobalt and tin (Sn).Type: ApplicationFiled: May 11, 2009Publication date: September 3, 2009Applicant: Interuniversitair Microelektronica Centrum vzw (IMEC)Inventors: Eric Beyne, Riet Labie
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Patent number: 7582547Abstract: Devices and methods for junction formation in manufacturing a semiconductor device are disclosed. The devices have shallow junction depths far removed from end-of range defects. The method comprises forming an amorphous region in a crystalline semiconductor such as silicon down to a first depth, followed by implantation of a substitutional element such as carbon to a smaller depth than the first depth. The region is then doped with suitable dopants, e.g. phosphorus or boron, and the amorphous layer recrystallized by a thermal process.Type: GrantFiled: August 3, 2007Date of Patent: September 1, 2009Assignees: Interuniversitair Microelektronica Centrum vzw (IMEC), Koninklijke Philips ElectronicsInventor: Bartlomiej Jan Pawlak
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Publication number: 20090215276Abstract: Photoelectrochemical cells and methods are provided, in particular, to the functionalization of semiconductor surfaces such that its semiconducting and light generating properties are maintained and the surface becomes stable in wet environments. In particular the preferred embodiments relate to unstable semiconductor materials which have photocurrent generating properties, and to methods for the functionalization of surfaces with metallic carbon nanotubes (CNTs).Type: ApplicationFiled: February 25, 2009Publication date: August 27, 2009Applicant: Interuniversitair Microelektronica Centrum vzw (IMEC)Inventors: Philippe M. Vereecken, Rufi Kurstjens, Ainhoa Romo Negreira, Daire J. Cott
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Publication number: 20090217224Abstract: A method and system for setting up multiple patterning lithographic processing of a pattern in a single layer is disclosed. The multiple patterning lithographic processing comprises a first and second patterning step. In one aspect, a method includes, for at least one process condition, obtaining values for a metric expressing a splitting correlated process quality as function of design parameters of a pattern and/or split parameters for the multiple patterning lithographic processing. The method also includes evaluating the values of the metric and selecting based thereon design and split parameters considering the process condition. The method may further include deriving design and/or split guidelines for splitting patterns to be processed using multiple patterning lithographic processing based on the evaluation.Type: ApplicationFiled: February 20, 2009Publication date: August 27, 2009Applicant: Interuniversitair Microelektronica Centrum vzw (IMEC)Inventors: Vincent Jean-Marie Pierre Paul Wiaux, Gustaaf Verhaegen
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Publication number: 20090215275Abstract: The present invention provides an etching solution for revealing defects in a germanium layer, a method for revealing defects in a germanium layer using such an etching solution and to a method for making such an etching solution. The etching solution according to embodiments of the present invention is able to exhibit an etch rate of between 4 nm·min?1 and 450 nm·min?1, which makes it suitable to be used for revealing defects in a thin layer of germanium, i.e. in a layer of germanium with a thickness of between 20 nm and 10 ?m, for example between 20 nm and 2 ?m, between 20 nm and 1 ?m or between 20 nm and 200 nm.Type: ApplicationFiled: January 29, 2009Publication date: August 27, 2009Applicant: Interuniversitair Microelektronica Centrum vzw (IMEC)Inventors: Laurent Souriau, Valentina Terzieva