Abstract: A resist composition containing a base material component (A) of which solubility in a developing solution is changed due to an action of an acid and a compound represented by Formula (bd1); in the formula, Rbd1 to Rbd3 each independently represent an aryl group which may have a substituent, provided that at least two of Rbd1 to Rbd3 are aryl groups having one or more fluorine atoms as substituents, and at least one of the fluorine atoms of the aryl group is bonded to a carbon atom adjacent to a carbon atom that is bonded to the sulfur atom in the formula, and the total number of the fluorine atoms is 4 or more; X? represents a counter anion.
Abstract: A positive resist composition comprising a base polymer comprising recurring units (a) having the structure of an ammonium salt of fluorosulfonic acid having an iodized or brominated aromatic ring, and recurring units (b1) having an acid labile group-substituted carboxyl group and/or recurring units (b2) having an acid labile group-substituted phenolic hydroxyl group exhibits a high sensitivity, high resolution, low edge roughness and dimensional uniformity, and forms a pattern of good profile after exposure and development.
Type:
Grant
Filed:
June 30, 2020
Date of Patent:
April 25, 2023
Assignee:
Shin-Etsu Chemical Co., Ltd.
Inventors:
Jun Hatakeyama, Masaki Ohashi, Takayuki Fujiwara
Abstract: A photosensitive composition for EUV light includes a predetermined resin and a photoacid generator, or includes a predetermined resin having a repeating unit having a photoacid generating group, and satisfies Conditions 1 and 2, Condition 1: The A value determined by Formula (1) is 0.14 or more, A=([H]×0.04+[C]×1.0+[N]×2.1+[O]×3.6+[F]×5.6+[S]×1.5+[I]×39.5)/([H]×1+[C]×12+[N]×14+[O]×16+[F]×19+[S]×32+[I]×127)??Formula (1): Condition 2: The concentration of the solid content in the photosensitive composition for EUV light is 2.5% by mass or less.
Abstract: A method includes forming protective layer over substrate edge and photoresist over substrate. Protective layer removed and photoresist exposed to radiation. Protective layer made of composition including acid generator and polymer having pendant acid-labile groups.
Abstract: A resin composition includes a resin A, a resin C, and a solvent. The resin A includes a sulfonic-acid-group-containing structural unit in an amount exceeding 5 mol % with respect to total structural units included in the resin A. The resin A has a content of a fluorine atom of 30 mass % or less with respect to a total mass of the resin A. The resin C includes a fluorine atom in a larger content per unit mass than the content of a fluorine atom per unit mass in the resin A. A content of the resin A in the resin composition is lower than a content of the resin C in the resin composition in terms of mass.
Abstract: There is provided a highly sensitive colorant-containing photosensitive resin composition for use in the formation of organic EL element barrier ribs. In one embodiment, the photosensitive resin composition for an organic EL element barrier rib comprises: (A) a binder resin; (B) at least one low molecular weight organic compound having a molar volume of 130 cm3/mol or less and being selected from the group consisting of aromatic carboxylic acids and compounds each having a plurality of phenolic hydroxyl groups; (C) a radiation sensitive compound; and (D) a colorant selected from the group consisting of black dyes and black pigments.
Abstract: A toner having a toner particle including a toner base particle and an organosilicon polymer coating the toner base particle, wherein when S1 (?m2) is a total area of a non-coated part not coated with the organosilicon polymer on an outermost surface of the toner particle, S2 (?m2) is a total area of a coated part coated with the organosilicon polymer on the outermost surface of the toner particle, and SA1 (?m2) is a total of areas of non-coated part domains D1 with an area of not more than 0.10 ?m2 in size in the non-coated part not coated with the organosilicon polymer, formulae (1) and (2) below are satisfied. 0.45?[S2/(S1+S2)]?0.65??(1) (SA1/S1)?0.
Abstract: A positive resist composition comprising a base polymer comprising recurring units (a) having the structure of an ammonium salt of a carboxylic acid having an iodized or brominated aromatic ring exhibits a high sensitivity, high resolution, low edge roughness (LER, LWR) and small size variation, and forms a pattern of good profile after exposure and development.
Abstract: A chemically-amplified negative resist composition includes: (A) a quencher containing an onium salt shown by the following formula (A-1); (B) a base polymer containing repeating units shown by the following formulae (B1) and (B2); and (C) a photo-acid generator which generates an acid. Thus, the present invention provides: a negative resist composition which can form a favorable profile with high sensitivity and low LWR and CDU in a pattern; and a resist patterning process using the composition.
Abstract: The present invention provides a negative tone photosensitive composition for EUV light, capable of forming a pattern, in which occurrence of missing defects is suppressed and pattern collapse is suppressed. The present invention also provides a pattern forming method and a method for manufacturing an electronic device. The negative tone photosensitive composition for EUV light of an embodiment of the present invention includes a resin A having a repeating unit having an acid-decomposable group with a polar group being protected with a protective group that is eliminated by the action of an acid, and a photoacid generator, in which a ClogP value of the resin after elimination of the protective group from the resin A is 1.4 or less, a value x calculated by Expression (1) is 1.2 or more, and the value x calculated by Expression (1) and a value y calculated by Expression (2) satisfy a relationship of Expression (3).
Abstract: A method of processing a substrate includes: providing structures on a surface of a substrate; depositing a self-assembled monolayer (SAM) over the structures and the substrate, the SAM being reactive to a predetermined wavelength of radiation; determining a first pattern of radiation exposure, the first pattern of radiation exposure having a spatially variable radiation intensity across the surface of the substrate and the structures; exposing the SAM to radiation according to the first pattern of radiation exposure, the SAM being configured to react with the radiation; developing the SAM with a predetermined removal fluid to remove portions of the SAM that are not protected from the predetermined fluid; and depositing a spacer material on the substrate and the structures, the spacer material being deposited at varying thicknesses based on an amount of the SAM remaining on the surface of the substrate and the structures.
Type:
Grant
Filed:
September 27, 2019
Date of Patent:
January 31, 2023
Assignee:
Tokyo Electron Limited
Inventors:
Richard Farrell, Hoyoung Kang, David L. O'Meara
Abstract: A black positive-type photosensitive resin composition with high sensitivity is provided. The photosensitive resin composition of the invention includes (A) a binder resin, (B) a quinonediazide adduct of a phenol compound having 3 or more phenolic hydroxyl groups (hereunder also referred to as “trivalent or greater phenol compound”, and (C) a black coloring agent, wherein the quinonediazide adduct (B) includes (b1) a quinonediazide adduct wherein one of the hydroxyl groups of the phenolic hydroxyl groups of the trivalent or greater phenol compound is replaced by a structure represented by formula (I) or formula (II), and (b2) a quinonediazide adduct wherein two of the hydroxyl groups of the phenolic hydroxyl groups of the trivalent or greater phenol compound are replaced by structures represented by formula (I) or formula (II), and the total of (b1) and (b2) is at least 60 mol % of the entirety of (B). Ra to Rd and * in the formulas are as defined in the Specification.
Abstract: A negative tone photoresist and method for developing the negative tone photoresist is disclosed. For example, the negative tone photoresist includes a solvent, a dissolution inhibitor, and a polymer. The polymer includes a hydroxyl group. The polymer may be greater than 40 weight per cent of a total weight of the negative tone photoresist.
Abstract: A chemically amplified positive-type photosensitive resin composition including an acid generator which generates acid upon exposure to an irradiated active ray or radiation, a resin whose solubility in alkali increases under the action of acid, and a nitrogen-containing aromatic heterocyclic compound that is a nitrogen-containing aromatic heterocyclic compound having a specific structure and having a Log S value of ?6.00 or less.
Abstract: An exemplary semiconductor fabrication stack includes underlying layers; an organic planarization layer atop the underlying layers; a metal oxide hardmask atop the organic planarization layer and doped with both carbon and nitrogen; and an organic photoresist directly atop the doped metal oxide hardmask. In one or more embodiments, the doped metal oxide hardmask exhibits a water contact angle of greater than 80°.
Type:
Grant
Filed:
April 16, 2020
Date of Patent:
January 3, 2023
Assignee:
International Business Machines Corporation
Inventors:
Abraham Arceo de la Pena, Jennifer Church, Nelson Felix, Ekmini Anuja De Silva
Abstract: New composition and methods are provided that include antireflective compositions that can exhibit enhanced etch rates in standard plasma etchants. Preferred antireflective coating compositions of the invention have decreased carbon content relative to prior compositions.
Type:
Grant
Filed:
October 31, 2017
Date of Patent:
November 15, 2022
Assignee:
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Abstract: An anti-reflective coating composition is provided. The anti-reflective coating composition of the present invention can be useful in preventing a pull-back phenomenon in which an anti-reflective coating layer tears on a corner of a pattern of a substrate during a heat curing process and improving gap-filling performance of the pattern since a crosslinker is attached to a polymer in the composition and the content of the low-molecular-weight crosslinker in the composition is minimized to regulate a heat curing initiation temperature.
Type:
Grant
Filed:
December 29, 2014
Date of Patent:
November 8, 2022
Assignee:
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Inventors:
Jae Hwan Sim, So-Yeon Kim, Jung Kyu Jo, Hye-Won Lee, Jihoon Kang, Jae-Bong Lim, Jun-Han Yun
Abstract: A resist composition comprising a base polymer and a quencher in the form of an ammonium salt consisting of an ammonium cation having an iodized aromatic ring bonded to the nitrogen atom via a C1-C20 hydrocarbylene group which may contain an ester bond or ether bond and a carboxylate anion having an iodized or brominated hydrocarbyl group offers a high sensitivity and minimal LWR or improved CDU, independent of whether it is of positive or negative tone.
Abstract: A resist composition comprising a base polymer and a quencher in the form of an ammonium salt consisting of an ammonium cation having an iodized aromatic ring bonded to the nitrogen atom via a C1-C20 hydrocarbylene group and an anion derived from an iodized or brominated phenol offers a high sensitivity and minimal LWR or improved CDU, independent of whether it is of positive or negative tone.
Abstract: There is provided anti-reflective coating forming composition containing a reaction product of an isocyanuric acid compound having two or three 2,3-epoxypropyl groups with a benzoic acid compound. The anti-reflective coating obtained from the composition has a high preventive effect for reflected light, causes no intermixing with photoresists, can form a photoresist pattern having no footing at the lower part, and can use in lithography process by use of a light such as ArF excimer laser beam and F2 excimer laser beam, etc.