Electron Beam Imaging Patents (Class 430/296)
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Publication number: 20140322655Abstract: A stage apparatus includes first, second, third, and fourth stages arranged along a plane defined by first and second axes orthogonal to each other, each of the first to fourth stages holding an article and being subjected to scanning along the plane, and a controller configured to control the scanning of the first to fourth stages in synchronization such that a pair of the first and second stages and a pair of the third and fourth stages are respectively positioned symmetrically to each other with respect to the first axis and a pair of the first and third stages and a pair of the second and fourth stages are respectively positioned symmetrically to each other with respect to the second axis.Type: ApplicationFiled: April 28, 2014Publication date: October 30, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Toshihiko Nishida, Hideki Ina, Wataru Yamaguchi
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Publication number: 20140322654Abstract: A lithography apparatus for substrate patterning, includes a substrate stage having a reference mark, an optical system irradiating the substrate with the charged particle beam, a first measurement device measuring a position of an alignment mark formed on the substrate, a second measurement device having an optical axis apart from an axis of the optical system by a distance shorter than that of the first measurement device, and measuring a position of the reference mark, a processor obtaining a base line of the first measurement device based on positions of the reference mark respectively measured by the first and second measurement device and a base line of the second measurement device, the position of the reference mark being measured by the second measurement device based on an optical signal obtained via the reference mark with the stage moved.Type: ApplicationFiled: April 28, 2014Publication date: October 30, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Koichi Sentoku, Hideki Ina
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Publication number: 20140322653Abstract: The present invention provides a drawing apparatus for performing drawing on a substrate with a charged particle beam, including a stage configured to hold the substrate and be moved, a charged particle optical system configured to irradiate a plurality of charged particle beams arrayed along a first axis, and a controller configured to control the drawing so as to perform multiple irradiation of a target portion on the substrate with the plurality of charged particle beams, wherein the controller configured to control the drawing such that the stage is moved in one direction along the first axis with respect to a plurality of regions formed on the substrate along the first axis, and a deflection of charged particle beam for a displacement of charged particle beam along the first axis is performed with respect to drawing on each of the plurality of regions.Type: ApplicationFiled: April 23, 2014Publication date: October 30, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Masato MURAKI, Yoshihiro HIRATA
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Publication number: 20140315131Abstract: An aqueous solution containing 0.1-20 wt % of a benzyltrialkylammonium hydroxide is a useful developer for photosensitive resist materials. When an exposed resist film is developed in the developer, any swell of the resist film during development is suppressed. A resist pattern with minimal edge roughness can be formed while preventing pattern collapse or bridge defect formation.Type: ApplicationFiled: February 28, 2014Publication date: October 23, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventor: Jun Hatakeyama
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Patent number: 8865377Abstract: A method and system for fracturing or mask data preparation is disclosed in which the central core portion of a diagonal pattern is fractured using overlapping variable shaped beam (VSB) shots, and an outer portion of the diagonal pattern is fractured using non-overlapping VSB shots. A transition region is interposed between the central core and outer pattern portions, and transition region shots are generated so as to produce in the transferred pattern a smooth transition in pattern characteristics such as line edge roughness or period of waviness, from the central core portion of the pattern to the outer portion of the pattern. Methods for forming a semiconductor device layout pattern on a reticle or substrate are also disclosed.Type: GrantFiled: March 13, 2013Date of Patent: October 21, 2014Assignee: D2S, Inc.Inventors: Etienne Jacques, Jin Choi, Kazuyuki Hagiwara
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Patent number: 8859698Abstract: A sulfur-containing macromolecule and a method of preparing the sulfur-containing macromolecule comprising a polymerization step are provided, where the sulfur-containing macromolecule contains internal units of formula (I) and the polymerization step is formula (II) wherein n is greater than 1, said precursor comprises alkyne having one or more acetylene groups and thiol having one or more thiol groups; and R is remainder of said thiol excluding said thiol groups, R? is remainder of said alkyne excluding said acetylene groups, and R and R? are selected from organic or organometallic groups.Type: GrantFiled: August 6, 2010Date of Patent: October 14, 2014Assignee: The Hong Kong University of Science and TechnologyInventors: Benzhong Tang, Ka Wai Jim, Anjun Qin, Wing Yip Lam, Jianzhao Liu
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Publication number: 20140302439Abstract: Provided are a method of manufacturing graphene, carbon nanotubes, fullerene, graphite, or a combination thereof having a regulated resistance, and a material manufactured using the method.Type: ApplicationFiled: October 9, 2013Publication date: October 9, 2014Applicant: Samsung Electronics Co., Ltd.Inventors: Jeo-young Shim, Tae-han Jeon, Kun-sun Eom, Dong-ho Lee
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Patent number: 8852849Abstract: An electron beam lithography method and apparatus for improving throughput is disclosed. An exemplary lithography method includes receiving a pattern layout having a pattern layout dimension; shrinking the pattern layout dimension; and overexposing a material layer to the shrunk pattern layout dimension, thereby forming the pattern layout having the pattern layout dimension on the material layer.Type: GrantFiled: August 20, 2013Date of Patent: October 7, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jaw-Jung Shin, Shy-Jay Lin, Wen-Chuan Wang, Burn Jeng Lin
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Patent number: 8846278Abstract: An electron beam lithography method and apparatus for improving throughput is disclosed. An exemplary lithography method includes receiving a pattern layout having a pattern layout dimension; shrinking the pattern layout dimension; and overexposing a material layer to the shrunk pattern layout dimension, thereby forming the pattern layout having the pattern layout dimension on the material layer.Type: GrantFiled: August 20, 2013Date of Patent: September 30, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jaw-Jung Shin, Shy-Jay Lin, Wen-Chuan Wang, Burn Jeng Lin
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Patent number: 8841049Abstract: The present disclosure provides for many different embodiments of a charged particle beam data storage system and method. In an example, a method includes dividing a design layout into a plurality of units; creating a lookup table that maps each of the plurality of units to its position within the design layout and a data set, wherein the lookup table associates any repeating units in the plurality of units to a same data set; and exposing an energy sensitive layer to a charged particle beam based on the lookup table.Type: GrantFiled: August 12, 2013Date of Patent: September 23, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Chun Wang, Pei-Shiang Chen, Tzu-Chin Lin, Faruk Krecinic, Jeng-Horng Chen, Wen-Chun Huang, Ru-Gun Liu
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Publication number: 20140272707Abstract: A sulfonium salt having formula (1a) is provided wherein R1 is H, F, CH3 or CF3, R1a to R1m are each independently H or a monovalent hydrocarbon group, L is a single bond or divalent hydrocarbon group, X is a divalent alkylene group optionally substituted with fluorine, and n is 0 or 1. The sulfonium salt having a polymerizable anion provides for efficient scission of acid labile groups in a chemically amplified resist composition, and it is a very useful monomer from which a base resin for resist use is prepared.Type: ApplicationFiled: February 4, 2014Publication date: September 18, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Masahiro Fukushima, Jun Hatakeyama, Masaki Ohashi, Teppei Adachi
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Publication number: 20140272675Abstract: A method and system for fracturing or mask data preparation is disclosed in which the central core portion of a diagonal pattern is fractured using overlapping variable shaped beam (VSB) shots, and an outer portion of the diagonal pattern is fractured using non-overlapping VSB shots. A transition region is interposed between the central core and outer pattern portions, and transition region shots are generated so as to produce in the transferred pattern a smooth transition in pattern characteristics such as line edge roughness or period of waviness, from the central core portion of the pattern to the outer portion of the pattern. Methods for forming a semiconductor device layout pattern on a reticle or substrate are also disclosed.Type: ApplicationFiled: March 13, 2013Publication date: September 18, 2014Applicant: D2S, INC.Inventors: Etienne Jacques, Jin Choi, Kazuyuki Hagiwara
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Publication number: 20140272711Abstract: A method of fabricating a substrate including coating a first resist onto a hardmask, exposing regions of the first resist to electromagnetic radiation at a dose of 10.0 mJ/cm2 or greater and removing a portion of said the and forming guiding features. The method also includes etching the hardmask to form isolating features in the hardmask, applying a second resist within the isolating features forming regions of the second resist in the hardmask, and exposing regions of the second resist to electromagnetic radiation having a dose of less than 10.0 mJ/cm2 and forming elements.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Inventors: ROBERT L. BRISTOL, PAUL A. NYHUS, CHARLES H. WALLACE
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Publication number: 20140272712Abstract: The present disclosure provides one embodiment of a reflective electron-beam (e-beam) lithography system. The reflective e-beam lithography system includes an e-beam source to generate an e-beam; a digital pattern generator (DPG) having a plurality of pixels that are dynamically and individually controllable to reflect the e-beam; a substrate stage designed to secure a substrate and being operable to move the substrate; an e-beam lens module configured to project the e-beam from the DPG to the substrate; and an alignment gate configured between the e-beam source and the DPG, wherein the alignment gate is operable to modulate an intensity of the e-beam.Type: ApplicationFiled: May 13, 2013Publication date: September 18, 2014Inventors: Nan-Hsin Tseng, Ramakrishnan Krishnan
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Patent number: 8835845Abstract: A method for TEM/STEM sample preparation and analysis that can be used in a FIB-electron microscope system without a flip stage. The method allows a dual beam FIB electron microscope system with a typical tilt stage having a maximum tilt of approximately 60° to be used to extract a TEM/STEM sample to from a substrate, mount the sample onto a sample holder, thin the sample using FIB milling, and rotate the sample so that the sample face is perpendicular to a vertical electron beam column for TEM/STEM imaging.Type: GrantFiled: June 1, 2007Date of Patent: September 16, 2014Assignee: FEI CompanyInventor: Liang Hong
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Patent number: 8835881Abstract: A writing area of a sample is divided into a plurality of stripes having a width corresponding to an area density of a pattern to be written on the sample with a charged-particle beam. The writing is stopped when writing of at least one stripe is terminated, and a drift amount is measured. An irradiation position of the charged-particle beam is corrected with the use of the drift amount. When the average value of the area density is more than a predetermined value, a stripe has a width smaller than the reference width, and when the average value of the area density is less than the predetermined value, the stripe has a width larger than the reference width. The width of the stripe is preferably a width corresponding to the variation of a drift from the beginning of irradiation with the charged-particle beam.Type: GrantFiled: June 11, 2013Date of Patent: September 16, 2014Assignee: NuFlare Technology, Inc.Inventor: Takashi Kamikubo
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Patent number: 8835083Abstract: A manufacturing method of a photomask by which a resist pattern corresponding to a pattern with designed values can be formed, a method for optical proximity correction, and a manufacturing method of a semiconductor device are provided. Proximity design features that are close to each other and estimated to violate a mask rule check are extracted. In the proximity design features, correction prohibited regions where optical proximity correction is not carried out are set based on the distance between the features obtained from the extracted proximity design features and the resolution of an exposure device. Optical proximity correction is carried out on the proximity design features with the correction prohibited regions excluded to obtain corrected proximity patterns. A predetermined mask material is patterned by carrying out electron beam lithography based on the corrected proximity pattern data.Type: GrantFiled: October 2, 2013Date of Patent: September 16, 2014Assignee: Renesas Electronics CorporationInventors: Ayumi Minamide, Akemi Moniwa, Akira Imai
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Patent number: 8835868Abstract: A multi charged particle beam writing apparatus includes a stage to mount a target object thereon and to be movable, an emission unit to emit a charged particle beam, an aperture member, in which a plurality of openings are formed, to produce multiple beams by letting a region including the whole of a plurality of openings be irradiated with the charged particle beam and letting portions of the charged particle beam respectively pass through a corresponding opening of a plurality of openings, a reduction optical system to reduce the multiple beams, and a doublet lens, arranged at the subsequent stage of the reduction optical system, in which a magnification is 1 and directions of magnetic fluxes are opposite.Type: GrantFiled: December 17, 2013Date of Patent: September 16, 2014Assignee: NuFlare Technology, Inc.Inventors: Takanao Touya, Munehiro Ogasawara
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Patent number: 8835082Abstract: The present disclosure provides a method for electron-beam (e-beam) lithography patterning. The method includes forming a resist layer on a substrate; performing a first e-beam exposure process to the resist layer according to a first pattern; performing a second e-beam exposure process to the resist layer according to a second pattern, wherein the second patterned is overlapped to the first pattern on the resist layer; and developing the resist layer.Type: GrantFiled: July 31, 2012Date of Patent: September 16, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Pei-Shiang Chen, Hung-Chun Wang, Jeng-Horng Chen
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Publication number: 20140255847Abstract: A resist overlayer film composition for lithography from which a resist overlayer film is formed. A resist overlayer film forming composition including a benzene compound having at least one amino group. A resist may be an EUV resist or an electron beam resist. The benzene compound may have at least one amino group and at least one alkyl group, one or two amino groups and one to four alkyl groups, or may be a compound of Formula (1): where R1 to R5 are independently a hydrogen atom, a C1-10 alkyl group such as methyl, ethyl or isopropyl, or an amino group.Type: ApplicationFiled: September 26, 2012Publication date: September 11, 2014Inventors: Ryuji Ohnishi, Takafumi Endo, Rikimaru Sakamoto
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Publication number: 20140255849Abstract: The present disclosure relates to novel methanofullerene derivatives, negative-type photoresist compositions prepared therefrom and methods of using them. The derivatives, their photoresist compositions and the methods are ideal for fine pattern processing using, for example, ultraviolet radiation, beyond extreme ultraviolet radiation, extreme ultraviolet radiation, X-rays and charged particle rays. Negative photosensitive compositions are also disclosed.Type: ApplicationFiled: February 24, 2014Publication date: September 11, 2014Inventors: Alex Philip Graham Robinson, Jon Andrew Preece, Richard Edward Palmer, Andreas Frommhold, Dongxu Yang, Alexandra McClelland, Drew Athans, Xiang Xue
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Patent number: 8828628Abstract: A method for optical proximity correction (OPC) is disclosed, in which a set of VSB shots is determined, where the set of shots can approximately form a target reticle pattern that is an OPC-compensated version of an input pattern. The set of shots is simulated to create a simulated reticle pattern. A substrate image is calculated, based on using the simulated reticle pattern in an optical lithographic process to form the substrate image. A system for OPC is also disclosed.Type: GrantFiled: August 19, 2013Date of Patent: September 9, 2014Assignee: D2S, Inc.Inventor: Akira Fujimura
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Patent number: 8828632Abstract: A method for fabricating a semiconductor device is disclosed. An exemplary method includes receiving an integrated circuit (IC) layout design including a target pattern on a grid. The method further includes receiving a multiple-grid structure. The multiple-grid structure includes a number of exposure grid segments offset one from the other by an offset amount in a first direction. The method further includes performing a multiple-grid exposure to expose the target pattern on a substrate and thereby form a circuit feature pattern on the substrate. Performing the multiple-grid exposure includes scanning the substrate with the multiple-grid structure in a second direction such that a sub-pixel shift of the exposed target pattern occurs in the first direction, and using a delta time (?t) such that a sub-pixel shift of the exposed target pattern occurs in the second direction.Type: GrantFiled: September 4, 2013Date of Patent: September 9, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wen-Chuan Wang, Shy-Jay Lin, Pei-Yi Liu, Jaw-Jung Shin, Burn Jeng Lin
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Publication number: 20140247438Abstract: Correction of reticle defects, such as EUV reticle defects, is accomplished with a second exposure. Embodiments include obtaining a reticle with a first pattern corresponding to a design for a wafer pattern, detecting dark defects and/or design/OPC weak spots in the first pattern, exposing a resist covered wafer using the reticle, and exposing the wafer using a second reticle with a second pattern or a second image field with openings corresponding to the dark defects, with a repair pattern on the reticle or on another reticle, or with a programmed e-beam or laser writer.Type: ApplicationFiled: May 12, 2014Publication date: September 4, 2014Applicant: GLOBALFOUNDRIES INC.Inventor: Arthur HOTZEL
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COMPOSITION, RESIST PATTERN-FORMING METHOD, COMPOUND, METHOD FOR PRODUCTION OF COMPOUND, AND POLYMER
Publication number: 20140248563Abstract: A composition includes a polymer component including a first polymer having a first structural unit represented by a following formula (1), and a solvent. In the formula (1), R1 represents a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms. R2 represents a single bond or a divalent organic group having 1 to 20 carbon atoms. R3 represents a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms. RQ represents a perfluoroalkyl group having 1 to 5 carbon atoms. RX represents a hydrogen atom or a monovalent base-labile group.Type: ApplicationFiled: May 9, 2014Publication date: September 4, 2014Applicant: JSR CORPORATIONInventors: Kiyoshi TANAKA, Shinya MINEGISHI, Kazunori KUSABIRAKI, Takahiro HAYAMA -
Patent number: 8822134Abstract: The disclosed resist developer is used when developing by irradiating an energy beam onto a resist layer containing a polymer of ?-chloromethacrylate and ?-methylstyrene for rendering or exposure, and contains a fluorocarbon-containing solvent (A) and an alcohol solvent (B), the latter of which has higher solubility relative to the resist layer than the former.Type: GrantFiled: March 28, 2011Date of Patent: September 2, 2014Assignee: Hoya CorporationInventors: Hiromasa Iyama, Hideo Kobayashi
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Patent number: 8822106Abstract: The present disclosure provides an embodiment of a method, for a lithography process for reducing a critical dimension (CD) by a factor n wherein n<1. The method includes providing a pattern generator having a first pixel size S1 to generate an alternating data grid having a second pixel size S2 that is <S1, wherein the pattern generator includes multiple grid segments configured to offset from each other in a first direction; and scanning the pattern generator in a second direction perpendicular to the first direction during the lithography process such that each subsequent segment of the grid segments is controlled to have a time delay relative to a preceding segment of the grid segments.Type: GrantFiled: December 20, 2012Date of Patent: September 2, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wen-Chuan Wang, Shy-Jay Lin, Pei-Yi Liu, Jaw-Jung Shin, Burn Jeng Lin
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Patent number: 8822107Abstract: The present disclosure provide one embodiment of a method of a lithography process for reducing a critical dimension (CD) by a factor n wherein n<1. The method includes providing a pattern generator having a first pixel area S1 to generate a data grid having a second pixel area S2 that is equal to n2*S1, wherein the pattern generator includes a multi-segment structure having multiple grid segments, wherein the grid segments includes a first set of grid segments and a second set of grid segments, each of the first set of grid segments being configured to have an offset in a first direction; and scanning the pattern generator in a second direction perpendicular to the first direction during the lithography process such that each of the second set of grid segments is controlled to have a time delay.Type: GrantFiled: January 30, 2013Date of Patent: September 2, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wen-Chuan Wang, Shy-Jay Lin, Pei-Yi Liu, Jaw-Jung Shin, Burn Jeng Lin
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Patent number: 8822133Abstract: A method of forming a pattern comprises diffusing an acid, generated by irradiating a portion of a photosensitive layer, into an underlayer comprising an acid sensitive copolymer comprising an acid decomposable group and an attachment group, to form an interpolymer crosslink and/or covalently bonded to the surface of the substrate. Diffusing comprises heating the underlayer and photosensitive layer. The acid sensitive group reacts with the diffused acid to form a polar region at the surface, in the shape of the pattern. The photosensitive layer is removed to forming a self-assembling layer comprising a block copolymer having a block with an affinity for the polar region, and a block having less affinity than the first. The first block forms a domain aligned to the polar region, and the second block forms a domain aligned to the first. Removing either the first or second domain exposes a portion of the underlayer.Type: GrantFiled: October 4, 2011Date of Patent: September 2, 2014Assignees: Rohm and Haas Electronic Materials LLC, Dow Global Technologies LLCInventors: Peter Trefonas, Phillip Dene Hustad, Cynthia Pierre
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Publication number: 20140242521Abstract: A copolymer includes the polymerized product of a comonomer and a monomer having the formula (I): wherein c is 0, 1, 2, 3, 4, or 5; Ra is H, F, —CN, C1-10 alkyl, or C1-10 fluoroalkyl; Rx and Ry are each independently an unsubstituted or substituted C1-10 linear or branched alkyl group, an unsubstituted or substituted C3-10 cycloalkyl group, an unsubstituted or substituted C3-10 alkenylalkyl group, or an unsubstituted or substituted C3-10 alkynylalkyl group; wherein Rx and Ry together optionally form a ring; and Rz is a C6-20 aryl group substituted with an acetal-containing group or a ketal-containing group, or a C3-C20 heteroaryl group substituted with an acetal-containing group or a ketal-containing group, wherein the C6-20 aryl group or the C3-C20 heteroaryl group can, optionally, be further substituted. Also described are a photoresist including the copolymer, a coated substrate having a layer of the photoresist, and a method of forming an electronic device utilizing the photoresist.Type: ApplicationFiled: February 21, 2014Publication date: August 28, 2014Inventors: Owendi Ongayi, James W. Thackeray, James F. Cameron
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Publication number: 20140234980Abstract: Devices, such as chips for DNA analysis, have at least one fluid transport nanochannel with at least one intersecting (e.g., transverse) sensing nanochannel that can be monitored for change in ionic current to determine characteristics or parameters of interest, e.g., molecular identification, length determination, localized (probe) mapping and the like.Type: ApplicationFiled: September 7, 2012Publication date: August 21, 2014Applicant: The University of North Carolina at Chapel HillInventors: John Michael Ramsey, Jean Pierre Alarie, Laurent Menard
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Publication number: 20140227722Abstract: Nanosubstrates as biosensors, methods of making such nanosubstrates, and methods of using such nanosubstrates to detect biomarkers are described.Type: ApplicationFiled: March 7, 2014Publication date: August 14, 2014Applicant: Northeastern UniversityInventors: Asanterabi Malima, Ahmed Busnaina, Salome Siavoshi, Sivasubramanian Somu, Cihan Yilmaz, Tiziana Musacchio, Jaydev Upponi, Vladimir Torchilin
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Publication number: 20140227642Abstract: A negative resist composition, includes: (A) an alkali-soluble polymer containing a specific repeating unit as defined in the specification; (B) a crosslinking agent capable of crosslinking with the alkali soluble polymer (A) under an action of an acid; (C) a compound capable of generating an acid upon irradiation with actinic rays or radiation; (D) a specific quaternary ammonium salt as defined in the specification; and (E) an organic carboxylic acid, and a pattern forming method uses the composition.Type: ApplicationFiled: April 17, 2014Publication date: August 14, 2014Applicant: FUJIFILM CorporationInventors: Koji SHIRAKAWA, Tadateru YATSUO
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Publication number: 20140212796Abstract: There is provided a pattern forming method comprising (1) a step of forming a film by using an electron beam-sensitive or extreme ultraviolet-sensitive resin composition, (2) a step of exposing the film by using an electron beam or an extreme ultraviolet ray, and (3) a step of developing the exposed film by using an organic solvent-containing developer, wherein the electron beam-sensitive or extreme ultraviolet-sensitive resin composition contains (A) a resin containing (R) a repeating unit having a structural moiety capable of decomposing upon irradiation with an electron beam or an extreme ultraviolet ray to generate an acid, and (B) a solvent.Type: ApplicationFiled: March 27, 2014Publication date: July 31, 2014Applicant: FUJIFILM CORPORATIONInventors: Hiroo TAKIZAWA, Kaoru IWATO, Hideaki TSUBAKI
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Publication number: 20140212815Abstract: A system includes an integrated circuit (IC) design data base having a feature, a source configured to generate a radiation beam, a pattern generator (PG) including a mirror array plate and an electrode plate disposed over the mirror array plate, wherein the electrode plate includes a lens let having a first dimension and a second dimension perpendicular to the first dimension with the first dimension larger than the second dimension so that the lens let modifies the radiation beam to form the long shaped radiation beam, and a stage configured secured the substrate. The system further includes an electric field generator connecting the minor array plate. The mirror array plate includes a mirror. The mirror absorbs or reflects the radiation beam. The radiation beam includes electron beam or ion beam. The second dimension is equal to a minimum dimension of the feature.Type: ApplicationFiled: January 31, 2013Publication date: July 31, 2014Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventor: Taiwan Semiconductor Manufacturing Company, Ltd.
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Publication number: 20140212797Abstract: An actinic ray-sensitive or radiation-sensitive resin composition includes: (P) a resin that contains (A) a repeating unit capable of decomposing upon irradiation with an actinic ray or radiation to generate an acid in a side chain of the resin (P) and (C) a repeating unit represented by the following formula (I) as defined in the specification, wherein a polydispersity of the resin (P) is 1.20 or less.Type: ApplicationFiled: March 28, 2014Publication date: July 31, 2014Applicant: FUJIFILM CORPORATIONInventors: Takeshi KAWABATA, Hideaki TSUBAKI
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Patent number: 8790863Abstract: In a method for imaging a solid state substrate, a vapor is condensed to an amorphous solid water condensate layer on a surface of a solid state substrate. Then an image of at least a portion of the substrate surface is produced by scanning an electron beam along the substrate surface through the water condensate layer. The water condensate layer integrity is maintained during electron beam scanning to prevent electron-beam contamination from reaching the substrate during electron beam scanning. Then one or more regions of the layer can be locally removed by directing an electron beam at the regions. A material layer can be deposited on top of the water condensate layer and any substrate surface exposed at the one or more regions, and the water condensate layer and regions of the material layer on top of the layer can be removed, leaving a patterned material layer on the substrate.Type: GrantFiled: October 26, 2011Date of Patent: July 29, 2014Assignee: President and Fellows of Harvard CollegeInventors: Daniel Branton, Anpan Han, Jene A. Golovchenko
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Publication number: 20140205951Abstract: A thermal crosslinking accelerator of a polysiloxane compound is shown by the following general formula (A-1), wherein R11, R12, R13, and R14 each represents a hydrogen atom, a halogen atom, a linear, a branched, a cyclic alkyl group having 1 to 20 carbon atoms, an optionally substituted aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms, wherein some or all of the hydrogen atoms in these groups may be substituted by an alkoxy group. “a”, “b”, “c”, and “d” represent an integer of 0 to 5; in the case that “a”, “b”, “c”, and “d” are 2 or more, R11, R12, R13, and R14 may form a cyclic structure.Type: ApplicationFiled: December 27, 2013Publication date: July 24, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tsutomu OGIHARA, Yusuke BIYAJIMA, Hiroyuki URANO
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Patent number: 8785086Abstract: To solve a problem of reduction in accumulated energy due to backward scattering, leading to degradation in CD linearity, which is caused when a generally used high-contrast resist is used in the manufacture of a reflective mask. A reflective mask blank for manufacturing a reflective mask includes a substrate, a multilayer reflective film which is formed on the substrate and adapted to reflect exposure light, and an absorber film which is formed on the multilayer reflective film and adapted to absorb the exposure light. A resist film for electron beam writing is formed on the absorber film and the contrast value ? of the resist film for electron beam writing is 30 or less.Type: GrantFiled: July 29, 2011Date of Patent: July 22, 2014Assignee: Hoya CorporationInventors: Masahiro Hashimoto, Kazunori Ono, Kenta Tsukagoshi, Tooru Fukui
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Publication number: 20140199617Abstract: A pattern-forming method includes in this order: step (1) of forming a film with an electron beam-sensitive or extreme ultraviolet radiation-sensitive resin composition that contains (A) a resin having an acid-decomposable repeating unit and capable of decreasing a solubility of the resin (A) in a developer containing an organic solvent by an action of an acid and (B) a low molecular weight compound capable of generating an acid upon irradiation with an electron beam or extreme ultraviolet radiation and decomposing by an action of an acid to decrease a solubility of the low molecular weight compound (B) in an organic solvent; step (2) of exposing the film with an electron beam or extreme ultraviolet radiation; and step (4) of developing the film with a developer containing an organic solvent after the exposing to form a negative pattern.Type: ApplicationFiled: March 27, 2014Publication date: July 17, 2014Applicant: FUJIFILM CORPORATIONInventors: Hideaki TSUBAKI, Hiroo TAKIZAWA, Takeshi KAWABATA
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Publication number: 20140199629Abstract: The present invention provides a sulfonium salt used in a resist composition that can give a pattern having a high resolution, especially an excellent rectangularity of a pattern form and a small roughness, while not readily generating a defect, in the photolithography using a high energy beam as a light source; a resist composition that contains the sulfonium salt; and a patterning process using this resist composition, wherein the sulfonium salt is shown by the following general formula (1a), wherein each of R and R0 independently represents a hydrogen atom, or a linear, branched, or cyclic monovalent hydrocarbon group having 1 to 30 carbon atoms which may be optionally substituted by a heteroatom or interposed by a heteroatom.Type: ApplicationFiled: December 6, 2013Publication date: July 17, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Masaki OHASHI, Tomohiro KOBAYASHI, Akihiro SEKI, Masayoshi SAGEHASHI, Masahiro FUKUSHIMA
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Publication number: 20140199631Abstract: A polymer for resist use is obtainable from a monomer having formula (1) wherein R1 is H, CH3 or CF3 and R2 is H or an acid labile group. A resist composition comprising the polymer displays a high sensitivity and a high dissolution contrast during both alkaline development and organic solvent development.Type: ApplicationFiled: December 17, 2013Publication date: July 17, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Masayoshi Sagehashi, Koji Hasegawa, Kazuhiro Katayama
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Publication number: 20140199630Abstract: A sulfonium salt used in a resist composition which gives a pattern having a high resolution, and small roughness in the photolithography using a high energy beam as a light source, and further difficultly eluted in water in the immersion lithography, and a resist composition containing the sulfonium salt, and a patterning process using the resist composition, wherein the sulfonium salt is represented by the following general formula (1a), wherein R represents a linear, branched, or cyclic monovalent hydrocarbon group having 1 to 30 carbon atoms at least one or more of the hydrogen atoms of which are substituted by a fluorine atom, R0 represents a hydrogen atom, or a linear, branched, or cyclic monovalent hydrocarbon group having 1 to 30 carbon atoms which may be substituted by a halogen atom, or interposed by a heteroatom.Type: ApplicationFiled: December 11, 2013Publication date: July 17, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Masaki OHASHI, Tomohiro KOBAYASHI, Akihiro SEKI, Masayoshi SAGEHASHI, Masahiro FUKUSHIMA
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Publication number: 20140199618Abstract: One embodiment relates to a method of measuring overlay errors for a programmable pattern, area-imaging electron beam lithography apparatus. Patterned cells of an overlay measurement target array may be printed in swaths such that they are superposed on patterned cells of a first (base) array. In addition, the overlay array may have controlled-exposure areas distributed within the swaths. The superposed cells of the overlay and base arrays are imaged. The overlay errors are then measured based on distortions between the two arrays in the image data. Alternatively, non-imaging methods, such as using scatterometry, may be used. Another embodiment relates to a method for correcting overlay errors for an electron beam lithography apparatus. Overlay errors for a pattern to be printed are determined based on within-swath exposure conditions. The pattern is then pre-distorted to compensate for the overlay errors. Other embodiments, aspects and features are also disclosed.Type: ApplicationFiled: April 30, 2013Publication date: July 17, 2014Applicant: KLA-TENCOR CORPORATIONInventor: KLA-TENCOR CORPORATION
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Patent number: 8778590Abstract: A lithographic printing plate precursor comprising a coating provided on a support having a hydrophilic surface, the coating containing thermoplastic polymer particles and an IR-dye characterized in that the IR-dye contains a structural element according to Formula I wherein A represents hydrogen, halogen or a monovalent organic group; Y and Y? independently represent —CH— or —N—; R1 and R2 independently represent hydrogen, an optionally substituted alkyl or aryl group or represent the necessary atoms to form a ring; * represents the linking positions to the rest of the molecule.Type: GrantFiled: December 3, 2009Date of Patent: July 15, 2014Assignee: Agfa Graphics NVInventor: Paul Callant
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Publication number: 20140193749Abstract: A pattern-forming method includes in this order: step (1) of forming a film with an electron beam-sensitive or extreme ultraviolet radiation-sensitive resin composition that contains (A) a resin having an acid-decomposable repeating unit and capable of decreasing a solubility of the resin (A) in a developer containing an organic solvent by an action of an acid, (B) a compound capable of generating an acid upon irradiation with an electron beam or extreme ultraviolet radiation and (C) a solvent; step (2) of exposing the film with an electron beam or extreme ultraviolet radiation; and step (4) of forming a negative pattern by development of the film with a developer containing an organic solvent after the exposing of the film, wherein a content of the compound (B) is 21% by mass to 70% by mass on the basis of all solids content of the composition.Type: ApplicationFiled: March 13, 2014Publication date: July 10, 2014Applicant: FUJIFILM CORPORATIONInventors: Hiroo TAKIZAWA, Hideaki TSUBAKI, Shuji HIRANO
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Publication number: 20140193301Abstract: A method of generating a metamater-operable in the visible-infrared range is provided. The method comprises a) depositing a layer of a conductive material on a substrate; b) forming a layer of electron beam resist on the layer of conductive material; c) patterning the layer of electron beam resist using electron beam lithography to form a patterned substrate; d) depositing a layer of a noble metal on the patterned substrate; and e) removing the resist. A metamaterial operable in the visible-infrared range comprising split-ring resonators having a least line width of about 20 nm to about 40 nm on a substrate is provided. A transparent photonic device or a sensor for chemical or biological sensing comprising the metamaterial is also provided.Type: ApplicationFiled: June 6, 2012Publication date: July 10, 2014Applicant: NANYANG TECHNOLOGICAL UNIVERSITYInventors: Qihua Xiong, Xinlong Xu, Jun Zhang
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Publication number: 20140193754Abstract: The present invention relates to novel neutral layer compositions and methods for using the neutral layer compositions for aligning microdomains of directed self-assembling block copolymers (BCP). The compositions and processes are useful for fabrication of electronic devices.Type: ApplicationFiled: February 14, 2014Publication date: July 10, 2014Applicant: AZ ELECTRONIC MATERIALS (LUXEMBOURG) S.A.R.L.Inventors: Hengpeng WU, Yi CAO, SungEun HONG, Jian YIN, Margareta PAUNESCU, Mark O. NEISSER, Guanyang LIN
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Patent number: 8772734Abstract: A lithograph apparatus that performs writing on a substrate with a plurality of charged particle beams. A blanking deflector array blanks the plurality of charged particle beams. An aperture array blocks n charged particle beam deflected by the blanking deflector array. A sealing mechanism seals an opening or at least one of the blanking deflector array and the aperture array with a shielding material that shields a charged particle beam. A moving mechanism moves the substrate so that the writing is performed with a blankable charged particle beam instead of an unblankable charged particle beam shielded by the shielding material.Type: GrantFiled: December 27, 2012Date of Patent: July 8, 2014Assignee: Canon Kabushiki KaishaInventor: Toshiro Yamanaka
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Patent number: 8771906Abstract: In the field of semiconductor production using charged particle beam lithography, a method and system for fracturing or mask data preparation or proximity effect correction is disclosed, in which the union of shots from one of a plurality of exposure passes is different than the union of shots from a different exposure pass. Methods for manufacturing a reticle and manufacturing an integrated circuit are also disclosed, in which the union of shots from one of a plurality of charged particle beam exposure passes is different than the union of shots from a different exposure pass.Type: GrantFiled: July 22, 2013Date of Patent: July 8, 2014Assignee: D2S, Inc.Inventors: Harold Robert Zable, Akira Fujimura