Identified Overlayer On Radiation-sensitive Layer Patents (Class 430/273.1)
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Patent number: 7811744Abstract: A non-photosensitive flexographic liquid or paste precursor comprising a mixture of acrylate oligomers and acrylic or methacrylate monomers, infrared absorbing material, fillers and heat decomposable peroxide, which when heated forms a non-thermoplastic elastomeric solid material in the form of a flexographic printing blank engravable by infrared laser ablation.Type: GrantFiled: February 21, 2005Date of Patent: October 12, 2010Assignee: Kodak IL. Ltd.Inventor: Murray Figov
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Patent number: 7807333Abstract: To provide a development system for lithographic printing plate precursors using a neutral developer, capable of preventing the non-image area of the resulting printing plates from being stained. In developing a lithographic printing plate precursor with a neutral developer having a pH of from 5.8 to 8.6, ultrasonic waves and/or an electric current are imparted to the neutral developer.Type: GrantFiled: August 23, 2005Date of Patent: October 5, 2010Assignee: Eastman Kodak CompanyInventors: Koji Hayashi, Chiaki Nakamura, Eiji Hayakawa
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Patent number: 7799883Abstract: Embodiments of the present invention relate generally to non-self imageable and imageable norbornene-type polymers useful for immersion lithographic processes, methods of making such polymers, compositions employing such polymers and the immersion lithographic processes that make use of such compositions. More specifically the embodiments of the present invention are related to norbornene-type polymers useful for forming imaging layer and top-coat layers for overlying such imaging layers in immersion lithographic process and the process thereof.Type: GrantFiled: February 22, 2006Date of Patent: September 21, 2010Assignee: Promerus LLCInventors: Larry F. Rhodes, Chun Chang, Pramod Kandanarachchi, Lawrence D. Seger, Keita Ishiduka, Kotaro Endo, Tomoyuki Ando
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Patent number: 7799504Abstract: A mask-forming film has a transparent layer between the imageable layer and the carrier sheet, which transparent layer has a refractive index that is lower (by at least 0.04) than that of the carrier sheet or any immediately adjacent layer between it and the carrier sheet. This lower refractive index layer modifies the path of incident radiation during mask image transfer so as to provide steeper shoulder angles in the relief image solid areas.Type: GrantFiled: June 5, 2007Date of Patent: September 21, 2010Assignee: Eastman Kodak CompanyInventors: Gregory L. Zwadlo, David E. Brown, Elsie A. Fohrenkamm, A. Peter Stolt
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Patent number: 7799508Abstract: The present invention provides a resist pattern thickening material, which can utilize ArF excimer laser light; which, when applied over a resist pattern to be thickened e.g., in form of lines and spaces pattern, can thicken the resist pattern to be thickened regardless of the size of the resist pattern to be thickened; and which is suited for forming a fine space pattern or the like, exceeding exposure limits. The present invention also provides a process for forming a resist pattern and a process for manufacturing a semiconductor device, wherein the resist pattern thickening material of the present invention is suitably utilized.Type: GrantFiled: May 15, 2009Date of Patent: September 21, 2010Assignee: Fujitsu LimitedInventors: Koji Nozaki, Miwa Kozawa, Takahisa Namiki
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Publication number: 20100233445Abstract: Negative-working imageable element can be used to provide lithographic printing plates. The imageable element has a suitable radiation-sensitive imageable layer and a water-soluble overcoat disposed on the imageable layer. This overcoat comprises at least one poly(vinyl alcohol) having a saponification degree of at least 90%, an alkoxylation product of an alkanol, and either a 2-sulfonato succinic acid dialkylester or an alkoxylation product of a 1,4-butanediol.Type: ApplicationFiled: March 13, 2009Publication date: September 16, 2010Inventors: Christopher D. Simpson, Harald Baumann, Udo Dwars, Bernd Strehmel
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Patent number: 7790350Abstract: A self assembly step for the manufacture of an electronic component comprising, e.g., a semiconductor chip or semiconductor array or wafer comprises forming a block copolymer film placed on a random copolymer film substrate operatively associated with the electronic component and the block copolymer film wherein the surface energy of the random copolymer film is tailored by use of a photolithographic or chemical process prior to the self assembly step. By prior deterministic control over regional surface properties of the random copolymer film, domains of the block copolymer film form only in predefined areas. This approach offers simplified processing and a precise control of regions where domain formation occurs. Selective removal of some of the domains allows for further processing of the electronic component.Type: GrantFiled: July 30, 2007Date of Patent: September 7, 2010Assignee: International Business Machines CorporationInventors: Gregory Breyta, Matthew E. Colburn
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Patent number: 7790355Abstract: A method of deactivating and on-press developing an exposed lithographic printing plate is disclosed. The plate comprises on a substrate a photosensitive layer developable with ink and/or fountain solution and capable of hardening upon exposure to a radiation. The plate is exposed with the radiation, deactivated, and then on-press developed with ink and/or fountain solution. The deactivation of the exposed plate allows the handling of the plate under regular office light or any other light without causing the hardening of the non-exposed areas of the photosensitive layer.Type: GrantFiled: January 26, 2008Date of Patent: September 7, 2010Inventor: Gary Ganghui Teng
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Patent number: 7781141Abstract: The present invention relates to barrier layer compositions that are applied above a photoresist composition for immersion lithography processing. In a further aspect, new methods are provided for immersion lithography processing.Type: GrantFiled: July 1, 2005Date of Patent: August 24, 2010Assignee: Rohm and Haas Electronic Materials LLCInventors: Michael K. Gallagher, Gerald B. Wayton, Gregory P. Prokopowicz, Stewart A. Robertson
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Patent number: 7781157Abstract: The present invention involves a method for generating a photoresist image on a substrate. The method comprises coating a substrate with a film comprising a polymer comprising fluorocarbinol monomers; imagewise exposing the film to radiation; heating the film to a temperature of, at, or below about 90° C. and developing the image. The present invention also relates to a method for generating a photoresist image on a substrate where a polymer comprising fluorocarbinol monomers is used as a protective top coat.Type: GrantFiled: July 28, 2006Date of Patent: August 24, 2010Assignee: International Business Machines CorporationInventors: Gregory Breyta, Daniel Paul Sanders, Hoa D. Truong
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Patent number: 7781142Abstract: A resin composition for forming a top coat which can be formed on a photoresist film without causing intermixing with the photoresist film, can maintain a stable film coating which is not eluted into a medium during immersion lithography, does not impair pattern profiles during dry exposure (which is not immersion lithography), and can be easily dissolved in an alkaline developer. The resin is a copolymer which comprises at least one recurring unit (I) selected from the group consisting of a recurring unit having a group shown by the following formula (1), a recurring unit having a group shown by the following formula (2), and a recurring unit having a carboxyl group, and a recurring unit (II) having a sulfo group, the copolymer having a weight average molecular weight determined by gel permeation chromatography of 2,000 to 100,000, wherein at least one of R1 and R2 is a fluoroalkyl group having 1 to 4 carbon atoms and R3 in the formula (2) represents a fluoroalkyl group having 1 to 20 carbon atoms.Type: GrantFiled: September 28, 2005Date of Patent: August 24, 2010Assignee: JSR CorporationInventors: Takashi Chiba, Toru Kimura, Tomohiro Utaka, Hiroki Nakagawa, Hirokazu Sakakibara, Hiroshi Dougauchi
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Patent number: 7771916Abstract: The present invention provides a polymerizable composition comprising (A) a compound represented by the following formula (I), (B) an infrared absorbent, and (C) a compound having at least one addition-polymerizable ethylenically unsaturated bond, and a negative planographic printing plate precursor having a recording layer containing the polymerizable composition. In the formula (I), R1, R2, R3, R4, R5, and R6 each independently represent a hydrogen atom or a monovalent organic group; and X? represents an anion.Type: GrantFiled: July 29, 2005Date of Patent: August 10, 2010Assignee: FUJIFILM CorporationInventors: Yoshinori Taguchi, Kazuhiro Fujimaki
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Patent number: 7767380Abstract: A negative-working photopolymerization type photosensitive lithographic printing plate precursor capable of conducting image recording with laser, includes: a hydrophilic support; a photopolymerizable photosensitive layer containing (i) a sensitizing dye having an absorption maximum in a wavelength range of from 360 to 450 nm, (ii) a hexaarylbiimidazole compound and (iii) an addition polymerizable compound having an ethylenically unsaturated double bond; and a protective layer, in this order, wherein the protective layer has oxygen permeability at 25° C. under one atmosphere of from 25 ml/m2·day to 200 ml/m2·day.Type: GrantFiled: September 27, 2007Date of Patent: August 3, 2010Assignee: Fujifilm CorporationInventor: Noriaki Watanabe
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Patent number: 7763355Abstract: In immersion lithography, to avoid internal reflections in the final element of the projection system, immersion fluid and topcoat, the thicknesses, dl, dtc, and dr, and refractive indices, nl, ntc and nr, of the immersion fluid, topcoat and resist may meet the following criteria: nl?ntc?nr dl>˜5.? dtc?˜5.?.Type: GrantFiled: November 10, 2008Date of Patent: July 27, 2010Assignee: ASML Netherlands B.V.Inventors: Johannes Catharinus Hubertus Mulkens, Marcel Mathijs Theodore Marie Dierichs
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Patent number: 7759050Abstract: Provided is a laminated body comprising a substrate to be ground and a support, where the substrate may be ground to a very small (thin) thickness and can then be separated from the support without damaging the substrate. One embodiment is a laminated body comprising a substrate to be ground, a curable silicone adhesive layer in contact with the substrate to be ground, a photothermal conversion layer comprising a light absorbing agent and a heat decomposable resin, and a light transmitting support. After grinding the substrate surface which is opposite that in contact with the adhesive layer, the laminated body is irradiated through the light transmitting layer and the photothermal conversion layer decomposes to separate the substrate and the light transmitting support.Type: GrantFiled: December 17, 2008Date of Patent: July 20, 2010Assignee: 3M Innovative Properties CompanyInventors: Carl R. Kessel, Larry D. Boardman, Richard J. Webb
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Patent number: 7759042Abstract: Laser induced thermal imaging (LITI) donor films, and methods of preparing them, having a substrate, a light-to-heat conversion layer, and a pattern-directing layer. The pattern-directing layer can include patterns of self-assembled monolayer regions, hydrophilic and hydrophobic regions, positively or negatively charged regions, or a series of raised or recessed features. It can also be used to generate charge patterns and magnetic patterns. The pattern-directing layer causes patterning of a transfer layer applied to it, resulting in a templated transfer layer. When imaged, the LITI donor film transfers at least a portion of the templated transfer layer to a permanent receptor while maintaining the pattern substantially intact in the transferred portion.Type: GrantFiled: September 11, 2009Date of Patent: July 20, 2010Assignee: 3M Innovative Properties CompanyInventors: Martin B. Wolk, John E. Potts, Yingbo Li, Khanh T. Huynh
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Patent number: 7759047Abstract: There is disclosed a resist protective film composition for forming a protective film on a photoresist film, comprising: at least a polymer including a repeating unit having one or more groups selected from a carboxyl group and ?-trifluoromethyl alcohol groups; and an amine compound. There can be provided a resist protective film composition that makes it possible to provide more certainly rectangular and excellent patterns when a protective film is formed on a photoresist film.Type: GrantFiled: May 14, 2007Date of Patent: July 20, 2010Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Jun Hatakeyama, Yuji Harada, Takeru Watanabe
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Patent number: 7754820Abstract: The present invention discloses a composition suitable for use as a top antireflective coating and barrier layer for 193 nm lithography. The inventive composition is soluble in aqueous base solutions and has low refractive index at 193 nm. The inventive composition comprises an aqueous base-soluble polymer having a backbone and a fluorinated half ester moiety. The fluorinated half ester moiety is pendant from the backbone. The present invention also discloses a method of forming a patterned layer on a substrate by using the inventive composition in lithography.Type: GrantFiled: July 21, 2008Date of Patent: July 13, 2010Assignee: International Business Machines CorporationInventors: Wu-Song S. Huang, Wenjie Li, Pushkara R. Varanasi
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Patent number: 7752966Abstract: A method of developing a laser sensitive lithographic printing plate with ink and/or fountain solution is described. The printing member comprises on a substrate a photosensitive layer soluble or dispersible in ink and/or fountain solution and capable of hardening upon exposure to a laser. The plate is exposed with a laser, deactivated, and then on-press developed with ink and/or fountain solution. Alternatively, the plate is developed with ink and/or fountain solution or the like off press, and then mounted on press for lithographic printing. The deactivation or off-press development allows the plate to be handled on press under white light or other light which is unsafe for a non-deactivated plate.Type: GrantFiled: April 17, 2007Date of Patent: July 13, 2010Inventor: Gary Ganghui Teng
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Patent number: 7745095Abstract: A substrate processing method of a substrate provided with an anti-reflective coating which extends to or beyond a peripheral edge of the substrate is disclosed. The method includes removing a portion of the anti-reflective coating adjacent to and around a periphery of the substrate using a back-side removal process, depositing a layer of radiation sensitive material onto the anti-reflective coating, depositing a top-coat layer onto the layer of radiation sensitive material, and simultaneously removing a portion of the layer of radiation sensitive material and a portion of the top-coat layer from around an area adjacent to the periphery of the substrate using a top-side removal process.Type: GrantFiled: July 5, 2007Date of Patent: June 29, 2010Assignee: ASML Netherlands B.V.Inventors: Patrick Wong, Wendy Fransisca Johanna Gehoel Van Ansem, Rudolf Adrianus Joannes Maas, Suping Wang
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Patent number: 7745093Abstract: In the present invention, in a water soluble resin composition for use in a method for pattern formation in which a covering layer is provided on a resist pattern formed of a radiation-sensitive resin composition capable of coping with ArF exposure to increase the width of the resist pattern and thus to realize effective formation of higher density trench or hole pattern, the size reduction level of the resist pattern layer can be further increased as compared with that in the prior art technique, and, in addition, the size reduction level dependency of the coarse-and-fine resist pattern can be reduced. A method for pattern formation using the water soluble resin composition is also provided. The water soluble resin composition which is usable for the method for pattern formation applicable to ArF excimer laser irradiation comprises a water soluble resin, an acid generating agent capable of generating an acid upon heating, a surfactant, a crosslinking agent, and a water-containing solvent.Type: GrantFiled: April 8, 2005Date of Patent: June 29, 2010Inventors: Takeshi Nishibe, Sung Eun Hong, Yusuke Takano, Tetsuo Okayasu
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Patent number: 7741005Abstract: The present invention provides a planographic printing plate precursor, including: a support; and a photosensitive layer containing a polymerizable compound; an oxygen barrier layer; and a protective layer containing a filler (preferably an organic resin particle), the layers being formed in this order on the support. The present invention also provides a stack of planographic printing plate precursors, produced by stacking the planographic printing plate precursors with the photosensitive layer side outermost layer and the support side rear surface of the adjacent plate precursor in direct contact with each other.Type: GrantFiled: April 2, 2007Date of Patent: June 22, 2010Assignee: FUJIFILM CorporationInventors: Hiromitsu Yanaka, Shigeo Koizumi, Hisao Yamamoto
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Publication number: 20100151385Abstract: A plurality of negative-working lithographic printing plate precursors is provided in a stack. Each precursor comprises an aluminum-containing substrate having thereon a single imageable layer and an outermost topcoat that has a dry coating weight equal to or less than 1 g/m2. The non-imaging backside of the substrate is free of polymer coatings and has an average surface roughness (Ra) in both longitudinal and width directions greater than 0.15 ?m. In addition, the imageable side of each underlying precursor is arranged in direct contact with the aluminum-containing substrate of the precursor above it without the use of an interleaf paper between the precursors.Type: ApplicationFiled: December 17, 2008Publication date: June 17, 2010Inventors: Kevin B. Ray, James L. Mulligan, Scott A. Beckley
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Patent number: 7736825Abstract: A device manufacturing system and method are used to perform multiple exposures utilizing a resettable or reversible contrast enhancing layer. A radiation sensitive layer is formed on a substrate. A resettable or reversible contrast enhancing layer is formed on the radiation sensitive layer. The resettable or reversible contrast enhancing layer is bleached with a first pattern. The first pattern formed in the resettable or reversible contrast enhancing layer is transferred to the radiation sensitive layer. The resettable or reversible contrast enhancing layer is reset to unbleach the resettable or reversible contrast enhancing layer. The resettable or reversible contrast enhancing layer is bleached with a second pattern. The second pattern formed in the resettable or reversible contrast enhancing layer is transferred to the radiation sensitive layer.Type: GrantFiled: May 24, 2006Date of Patent: June 15, 2010Assignee: ASML Holding N.V.Inventor: Harry Sewell
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Patent number: 7736836Abstract: The present invention relates to an improved slip film composition for use in manufacturing flexographic printing plates. The improved slip film composition of the invention comprises one or more solvents, one or more polymeric binders, a layered silicate, and optionally, a surfactant. The use of the layered silicate as a filler in the slip film composition produces an slip film composition with improved release properties and improved imaging. The slip film of the invention can be used with flexographic printing plates that are solvent developed or thermally developed.Type: GrantFiled: September 22, 2004Date of Patent: June 15, 2010Inventors: Jonghan Choi, Ryan Vest
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Patent number: 7736822Abstract: There is provided a resist underlayer coating forming composition used in processes for manufacturing a mask blank and a mask, and a mask blank and a mask manufactured from the composition. The resist underlayer coating forming composition comprises a polymer compound having a halogen atom-containing repeating structural unit and a solvent. In a mask blank including a thin film for forming transfer pattern and a chemically-amplified type resist coating on a substrate in that order, the composition is used for forming a resist underlayer coating between the thin film for forming transfer pattern and the resist coating. The polymer compound is preferably a compound containing a halogen atom in an amount of at least 10 mass %.Type: GrantFiled: February 8, 2007Date of Patent: June 15, 2010Assignees: Hoya Corporation, Nissan Chemical Industries, Ltd.Inventors: Masahiro Hashimoto, Tomoyuki Enomoto, Takahiro Sakaguchi, Rikimaru Sakamoto, Masaki Nagai
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Patent number: 7732120Abstract: The present invention relates generally to the fields of semiconductor lithography. More particularly, it concerns methods, compositions, and apparatuses relating to 157 nm and 193 nm soft pellicles and the use of perfluorinated polymers in the creation of pellicles.Type: GrantFiled: October 10, 2008Date of Patent: June 8, 2010Assignee: Sematech Inc.Inventors: Paul A. Zimmerman, Chris K. Van Peski
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Patent number: 7728089Abstract: A first aspect of the present invention is a topcoat composition, comprising: a copolymer represented by the formula (2): wherein n and m represent respective molar fractions such that n+m=1.Type: GrantFiled: February 22, 2008Date of Patent: June 1, 2010Assignee: International Business Machines CorporationInventors: Hiroshi Ito, Linda Karin Sundberg
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Patent number: 7727610Abstract: Compositions for protective films for optical disc are provided. Compositions for protective films, particularly compositions for protective films for optical discs having low viscosity and low shrinkage without compromising scratch resistance even when a dilution solvent is not used. The compositions for protective films for optical discs include a composition for protective films containing a UV-curable acrylic radical-based resin as the main component including a multifunctional acrylic monomer, a multifunctional acrylic oligomer and a bifunctional acrylic monomer containing repeating units including at least one of an ethoxy and propoxy group as starting materials for the acrylic radical-based resin; and a photoinitiator.Type: GrantFiled: October 17, 2006Date of Patent: June 1, 2010Assignees: Sony Corporation, Sony Chemical & Information Device CorporationInventor: Kiichiro Oguni
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Patent number: 7723009Abstract: A mask having features formed by self-organizing material, such as diblock copolymers, is formed on a partially fabricated integrated circuit. Initially, a copolymer template, or seed layer, is formed on the surface of the partially fabricated integrated circuit. To form the seed layer, diblock copolymers, composed of two immiscible blocks, are deposited in the space between copolymer alignment guides. The copolymers are made to self-organize, with the guides guiding the self-organization and with each block aggregating with other blocks of the same type, thereby forming the seed layer. Next, additional, supplemental diblock copolymers are deposited over the seed layer. The copolymers in the seed layer guide self-organization of the supplemental copolymers, thereby vertically extending the pattern formed by the copolymers in the seed layer.Type: GrantFiled: June 2, 2006Date of Patent: May 25, 2010Assignee: Micron Technology, Inc.Inventors: Gurtej S. Sandhu, Steve Kramer
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Patent number: 7722790Abstract: An LC display comprises in order (a) a light source, (b) a transparent polymeric film bearing on the light exit surface of the film an array of close-packed convex microlenses having a distribution of sizes and oriented in one direction, whereby the light output is preferentially spread in a desired direction, and (c) an LC panel. A related process and film are also disclosed.Type: GrantFiled: June 14, 2007Date of Patent: May 25, 2010Assignee: SKC Haas Display Films Co., Ltd.Inventors: Chari Krishnan, Charles W. Lander, Ronald J. Sudol, Jin-Shan Wang, Charles M. Rankin, Jr., Paul D. Yacobucci
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Patent number: 7718341Abstract: A laser induced thermal imaging apparatus and a manufacturing method of organic light emitting diodes using the same, which reduce or prevent the occurrence of impurities or void between an acceptor substrate and a donor film while performing a laser induced thermal imaging in a vacuum state. A laser induced thermal imaging apparatus includes: a substrate stage including an acceptor substrate for receiving an imaging layer, the imaging layer being formed on the acceptor substrate, and an electromagnet, a donor film having a permanent magnet being placed and laminated on the substrate stage, and the electromagnet forming a magnetic force with a permanent magnet of the donor film; a laser oscillator for irradiating a laser to the donor film; and a chamber having at least the substrate stage located therein.Type: GrantFiled: August 24, 2006Date of Patent: May 18, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sok Won Noh, Seong Taek Lee, Mu Hyun Kim, Sun Hoe Kim, Myung Won Song, Jin Wook Seong, Tae Min Kang, Jin Soo Kim, Noh Min Kwak, Jae Ho Lee
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Patent number: 7718242Abstract: A recording layer including a novel dye for a high density optical recording medium, employing short wavelength laser source with a wavelength not longer than 530 nm for recording high density information and reproduction/playback of the high density information recordings, is provided.Type: GrantFiled: February 7, 2007Date of Patent: May 18, 2010Assignee: Industrial Technology Research InstituteInventors: Ming-Chia Li, Chien-Liang Huang, An-Tze Lee, Wen-Yih Liao, Ching-Yu Hsieh, Tzuan-Ren Jeng
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Patent number: 7713681Abstract: A method for preparation of a lithographic printing plate including: exposing with a laser a lithographic printing plate precursor including a support and a photosensitive layer containing a sensitizing dye, a radical polymerization initiator, a radical polymerizable compound and a binder polymer; and subjecting the exposed lithographic printing plate precursor to development processing with a developer having pH of from 3 to 9 to remove an unexposed area of the photosensitive layer, wherein the binder polymer is a polymer having an acid value of from 10 to 250 mg-KOH/g and the developer contains a compound represented by one of the formulae <1>, <2> and <3> defined herein.Type: GrantFiled: December 28, 2007Date of Patent: May 11, 2010Assignee: FUJIFILM CorporationInventors: Toshifumi Inno, Keiichi Adachi
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Patent number: 7709184Abstract: A method of on-press developing a thermosensitive lithographic printing plate with ink and/or fountain solution is described. The lithographic plate comprises on a substrate a thermosensitive layer soluble or dispersible in ink and/or fountain solution and capable of hardening upon exposure to an infrared radiation. The printing plate can be a pre-coated plate in the form of sheet or web, or can be prepared on press by coating a thermosensitive layer onto a substrate that is a sheet material or a seamless sleeve mounted on a plate cylinder or is the surface of a plate cylinder of the lithographic press.Type: GrantFiled: July 17, 2006Date of Patent: May 4, 2010Inventor: Gary Ganghui Teng
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Patent number: 7709180Abstract: The present invention relates generally to the fields of semiconductor lithography. More particularly, it concerns methods, compositions, and apparatuses relating to 157 nm, 167 nm, 193 nm, 248 nm, 365 nm, and 436 nm soft pellicles and the use of perfluorinated polymers in the creation of pellicles.Type: GrantFiled: September 30, 2008Date of Patent: May 4, 2010Assignee: Sematech, Inc.Inventors: Paul A. Zimmerman, Chris Van Peski
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Patent number: 7709182Abstract: An antireflection film-forming composition which has excellent applicability, is significantly inhibited from generating ultrafine microbubbles, gives an antireflection film capable of sufficiently reducing the standing-wave effect, and has excellent solubility in water and an alkaline developing solution. The antireflection film-forming composition contains: (A) a copolymer (salt) of a sulfonic acid group-containing acrylamide derivative represented by, e.g., 2-(meth)acrylamido-2-methylpropanesulfonic acid and a fluoroalkyl group-containing acrylic acid ester derivative represented by, e.g., 2,2,3,3,3-pentafluoropropyl (meth)acrylate; and (B) a surfactant whose 0.1 wt. % aqueous solution has a surface tension as measured at 25° C. of 45 mN/m or lower.Type: GrantFiled: November 28, 2005Date of Patent: May 4, 2010Assignee: JSR CorporationInventors: Nakaatsu Yoshimura, Keiji Konno
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Patent number: 7704675Abstract: The invention provides a planographic printing plate precursor that is writable by laser exposure and is composed of a support, a photosensitive recording layer formed on the support, and a backcoat layer containing an epoxy resin, the backcoat layer being formed on the side of the support opposite to the photosensitive recording layer side; and a stack of the planographic printing plate precursors. According to the invention, scratches on the photosensitive recording side of the planographic printing plate precursor can be prevented when brought into contact with another planographic printing plate precursor in the stack without interleaving slip sheets, and productivity in a plate making process can be improved.Type: GrantFiled: November 2, 2007Date of Patent: April 27, 2010Assignee: Fujifilm CorporationInventors: Hisao Yamamoto, Akihiro Endo
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Patent number: 7704674Abstract: A method for patterning a photo-resist in an immersion lithography process is described. The method includes forming a photo-resist layer above a substrate. A hydrophobic and contrast-enhancing barrier layer is formed above the photo-resist layer. The photo-resist layer is exposed, through the hydrophobic and contrast-enhancing barrier layer, to a light source. The photo-resist layer is developed to provide a patterned photo-resist layer.Type: GrantFiled: December 31, 2008Date of Patent: April 27, 2010Inventors: Gilles Amblard, Rohit R. Rosario
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Patent number: 7704582Abstract: The optical recording medium according to one embodiment of the present invention includes a substrate, a reflective layer located on the upper side of the substrate and reflecting an incident laser beam, and an information recording layer located on the reflective layer. The information recording layer includes a first recording layer containing a compound in the form of AXB1-X (0.8?X?0.9), wherein A is Ag and B is Sb and Te, and a second recording layer containing at least one element selected from the group consisting of Si, Sn, Sb and Ge. The laser beam is irradiated on the first recording layer prior to the second recording layer. Therefore, the optical recording medium of the present invention may provide high recording density and transmittance velocity suitable for BLU-RAY DISC system.Type: GrantFiled: December 19, 2005Date of Patent: April 27, 2010Assignee: LG Electronics Inc.Inventor: Kwang Lyul Lee
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Patent number: 7704680Abstract: Ultrafine patterns with dimensions smaller than the chemical and optical limits of lithography are formed by superimposing two photoresist patterns using a double exposure technique. Embodiments include forming a first resist pattern over a target layer to be patterned, forming a protective cover layer over the first resist pattern, forming a second resist pattern on the cover layer superimposed over the first resist pattern while the cover layer protects the first resist pattern, selectively etching the cover layer with high selectivity with respect to the first and second resist patterns leaving an ultrafine target pattern defined by the first and second resist patterns, and etching the underlying target layer using the superimposed first and second resist patterns as a mask.Type: GrantFiled: June 8, 2006Date of Patent: April 27, 2010Assignee: Advanced Micro Devices, Inc.Inventors: Ryoung-Han Kim, Jong-wook Kye
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Patent number: 7700264Abstract: A photosensitive resin composition containing an alkali soluble resin, an ethylenically unsaturated compound, a near infrared absorbing dye, a compound containing a halomethyl group and a compound containing an organoboron anion, wherein the alkali soluble resin is an acryl resin having one or more pendant groups in which both terminals of a diol compound have been blocked with isophorone diisocyanates and then (meth)acryloyl has been added. Also provided is an image forming material having a substrate, and a photosensitive layer formed by the photosensitive resin composition on the substrate, as well as an image forming method.Type: GrantFiled: October 31, 2006Date of Patent: April 20, 2010Assignee: Nippon Paint Co., Ltd.Inventor: Hirotoshi Umemoto
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Patent number: 7700262Abstract: A top coat material for applying on top of a photoresist material is disclosed. The top coat material includes a polymer, which includes at least one fluorosulfonamide monomer unit having one of the following two structures: wherein: M is a polymerizable backbone moiety; Z is a linking moiety selected from the group consisting of —C(O)O—, —C(O)—, —OC(O)—, and —O—C(O)—C(O)—O—; R1 is selected from the group consisting of an alkylene, an arylene, a semi- or perfluorinated alkylene, and a semi- or perfluorinated arylene; p and q are 0 or 1; R2 is selected from the group consisting of hydrogen, fluorine, an alkyl group of 1 to 6 carbons, and a semi- or perfluorinated alkyl group of 1 to 6 carbons; n is an integer from 1 to 6; and R3 is selected from the group consisting of hydrogen, an alkyl, an aryl, a semi- or perfluorinated alkyl, and a semi- or perfluorinated aryl. The top coat material may be used in lithography processes, wherein the top coat material is applied on a photoresist layer.Type: GrantFiled: March 7, 2008Date of Patent: April 20, 2010Assignee: International Business Machines CorporationInventors: Wenjie Li, Margaret C. Lawson, Pushkara Rao Varanasi
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Patent number: 7700269Abstract: A method of forming a stacked structure in an electronic device, where a photoresist for performing multi-patterning processes is used. Also, a method of manufacturing a FED in which different structures can be multi-patterned by using a single photoresist mask. The photoresist has a solubility to a solvent by heat-treatment after exposure, and a complicated structure can be formed using the photoresist.Type: GrantFiled: May 17, 2006Date of Patent: April 20, 2010Assignees: Samsung SDI Co., Ltd., E. I. du Pont de Nemours and CompanyInventors: Shang-Hyeun Park, Hang-Woo Lee, Young-Hwan Kim
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Publication number: 20100081087Abstract: The present invention provides a composition for forming a top anti-reflection coating having such a low refractive index that it can be suitably used in pattern formation with an ArF excimer laser beam, and further the invention also provides a pattern formation method employing that composition. The top anti-reflection coating composition comprises a particular naphthalene compound, a polymer, and a solvent. The composition is used for forming a top anti-reflection coating provided on a photoresist layer. From the photoresist layer, a pattern can be formed by use of light in 160 to 260 nm.Type: ApplicationFiled: December 21, 2007Publication date: April 1, 2010Inventors: Katsutoshi Kuramoto, Masakazu Kobayashi, Yasushi Akiyama
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Patent number: 7687224Abstract: A photosensitive film excellent in workability and making it possible, in a normal pressure laminating process, to laminate photosensitive films on the surface of substrate having a metallic surface with a reduced number of air voids generated and in a high product yield, said film comprising a support film (A), a photosensitive resin composition-containing photosensitive resin layer (B) formed on said support (A) and a protecting film (C) further stuck on said layer (B), wherein the number of fish eyes having a diameter of at least 80 ?m included in the protecting film (C) does not exceed 5 fish eyes/m2.Type: GrantFiled: August 26, 2005Date of Patent: March 30, 2010Assignee: Hitachi Chemical Company, Ltd.Inventors: Jinko Kimura, Chikara Ishikawa, Youji Tanaka, Shinji Takano, Yoshitaka Minami
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Patent number: 7678537Abstract: A topcoat material for immersion lithography and a method of performing immersion lithography using the topcoat material. The topcoat material includes a mixture of a first polymer and a second polymer. The first and second polymers of the topcoat material, when the topcoat material is formed into a topcoat layer between an immersion fluid and a photoresist layer, disperse non-homogenously throughout the topcoat layer.Type: GrantFiled: March 31, 2008Date of Patent: March 16, 2010Assignee: International Business Machines CorporationInventors: Robert D. Allen, Phillip Brock, Daniel P. Sanders, Linda K. Sundberg
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Patent number: 7670750Abstract: A resist protective coating material comprises a polymer comprising repeat units having formulae (1a) and (1b) and having a Mw of 1,000-500,000. R1a and R1b are H, F or alkyl or fluoroalkyl, R2a, R2b, R3a and R3b are H or alkyl, or R2a and R2b, and R3a and R3b may bond together to form a ring, 0<a<1, 0<b<1, a+b=1, and n=1 to 4. The protective coating material is improved in water repellency and water slip. In the ArF immersion lithography, it is effective in preventing water penetration and leaching of additives from the resist.Type: GrantFiled: October 3, 2007Date of Patent: March 2, 2010Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yuji Harada, Jun Hatakeyama, Koji Hasegawa
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Publication number: 20100047712Abstract: The present invention discloses a composition suitable for use as a top antireflective coating and barrier layer for immersion lithography. The inventive composition is soluble in aqueous base solutions and insoluble in water. The inventive composition comprises a polymer having at least one hydrophobic moiety, at least one acidic moiety with a pKa of 1 or less, and at least one aqueous base soluble moiety. The present invention also discloses a method of forming a patterned layer on a substrate by using the inventive composition in lithography.Type: ApplicationFiled: October 26, 2009Publication date: February 25, 2010Applicant: International Business Machines CorporationInventors: Mahmoud Khojasteh, Wu-Song Huang, Margaret C. Lawson, Kaushal S. Patel, Irene Popova, Pushkara R. Varanasi
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Patent number: RE41579Abstract: A positive type photosensitive image-forming material for use with an infrared laser is provided. The material includes a substrate, a layer (A) containing not less than 50% by weight of a copolymer which contains, as a copolymerization component, not less than 10% by mol of at least one of the following monomers (a-1) to (a-3), wherein (a-1) is a monomer having in the molecule a sulfonamide group wherein at least one hydrogen atom is linked to a nitrogen atom, (a-2) is a monomer having in the molecule an active imino group represented by the following general formula (I): and (a-3) is a monomer selected from acrylamide, methacrylamide, acrylate, methacrylate and hydroxystyrene, which respectively have a phenolic hydroxyl group; and a layer (B) containing not less than 50% by weight of an aqueous alkali solution-soluble resin having a phenolic hydroxyl group. The layer (A) and the layer (B) are laminated on the substrate in that order.Type: GrantFiled: January 21, 2004Date of Patent: August 24, 2010Assignee: FUJIFILM CorporationInventors: Hideo Miyake, Ikuo Kawauchi