Patents by Inventor Ching-Yu Chang

Ching-Yu Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210159087
    Abstract: A method of manufacturing a semiconductor device is disclosed herein. The method includes forming a first layer of a first planarizing material over a patterned surface of a substrate, forming a second layer of a second planarizing material over the first planarizing layer, crosslinking a portion of the first planarizing material and a portion of the second planarizing material, and removing a portion of the second planarizing material that is not crosslinked. In an embodiment, the method further includes forming a third layer of a third planarizing material over the second planarizing material after removing the portion of the second planarizing material that is not crosslinked. The third planarizing material can include a bottom anti-reflective coating or a spin-on carbon, and an acid or an acid generator. The first planarizing material can include a spin-on carbon, and an acid, a thermal acid generator or a photoacid generator.
    Type: Application
    Filed: November 27, 2019
    Publication date: May 27, 2021
    Inventors: Yen-Hao CHEN, Wei-Han LAI, Ching-Yu CHANG, Chin-Hsiang LIN
  • Publication number: 20210157233
    Abstract: A method of forming a photoresist pattern includes forming a photoresist layer including a photoresist composition over a substrate. The photoresist composition includes metal particles and a thermally stable ligand attached to the metal particles. The thermally stable ligand includes branched or unbranched, cyclic or non-cyclic, C1-C7 alkyl groups or C1-C7 fluoroalkyl groups. The C1-C7 alkyl or C1-C7 fluoroalkyl groups include one or more of —CF3, —SH, —OH, ?O, —S—, —P—, —PO2, —C(?O)SH, —C(?O)OH, —C(?O)O—, —O—, —N—, —C(?O)NH, —SO2OH, —SO2SH, —SOH, or —SO2—. The photoresist layer is selectively exposed to actinic radiation, and the photoresist layer is developed to form a pattern in the photoresist layer.
    Type: Application
    Filed: November 10, 2020
    Publication date: May 27, 2021
    Inventors: An-Ren ZI, Ching-Yu CHANG
  • Patent number: 11016386
    Abstract: A method of forming a photoresist pattern includes forming a protective layer over a photoresist layer formed on a substrate, and selectively exposing the protective layer and the photoresist layer to actinic radiation. The protective layer and the photoresist layer are developed to form a pattern in the photoresist layer, and the protective layer is removed. The protective layer includes a polymer having pendant fluorocarbon groups and pendant acid leaving groups.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: May 25, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: An-Ren Zi, Chin-Hsiang Lin, Ching-Yu Chang
  • Patent number: 11009796
    Abstract: A method for forming a semiconductor device structure is provided. The method includes forming a material layer over a substrate and forming a resist layer over the material layer. The resist layer includes an inorganic material and an auxiliary. The inorganic material includes a plurality of metallic cores and a plurality of first linkers bonded to the metallic cores. The method includes exposing a portion of the resist layer. The resist layer includes an exposed region and an unexposed region. In the exposed region, the auxiliary reacts with the first linkers. The method also includes removing the unexposed region of the resist layer by using a developer to form a patterned resist layer. The developer includes a ketone-based solvent having a formula (a) or the ester-based solvent having a formula (b).
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: May 18, 2021
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Ming-Hui Weng, An-Ren Zi, Ching-Yu Chang, Chin-Hsiang Lin, Chen-Yu Liu
  • Patent number: 11012549
    Abstract: A portable device can transmit information through one of a mobile phone network and an Internet, wherein the portable device includes a text-based communication module to allow a user may synchronously transmit or receive data through a local area network, wherein the data is text, audio, video or the combination thereof. The text-based communication module of the portable device includes a text-to-speech recognition module used to convert a text data for outputting the text data by vocal, and a read determination module for determining read target terminals and unread target terminals when a user of the portable phone device activates the read determination module.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: May 18, 2021
    Inventors: Chi-Wen Liu, Ching-Yu Chang, Kuo-Ching Chiang
  • Patent number: 11003082
    Abstract: A method for forming a semiconductor device structure is provided. The method includes forming a material layer over a substrate and providing a resist solution. The resist solution includes a plurality of first polymers and a plurality of second polymers, each of the first polymers includes a first polymer backbone, and a first acid-labile group (ALG) with a first activation energy bonded to the first polymer backbone. Each of the second polymers includes a second polymer backbone, and a second acid-labile group with a second activation energy bonded to the second polymer backbone, the second activation energy is greater than the first activation energy. The method includes forming a resist layer over the material layer, and the resist layer includes a top portion and a bottom portion, and the first polymers diffuse to the bottom portion, and the second polymers diffuse to the top portion.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: May 11, 2021
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chien-Chih Chen, Yahru Cheng, Ching-Yu Chang
  • Patent number: 11003084
    Abstract: A method for forming a semiconductor device structure is provided. The method includes forming a material layer over a substrate and forming a resist layer over the material layer. The method includes exposing a portion of the resist layer by performing an exposure process. The resist layer includes a compound, and the compound has a carbon backbone, and a photoacid generator (PAG) group and/or a quencher group are bonded to the carbon backbone. The method also includes performing a baking process on the resist layer and etching a portion of the resist layer to form a patterned resist layer. The method includes patterning the material layer by using the patterned resist layer as a mask and removing the patterned resist layer.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: May 11, 2021
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Li-Yen Lin, Ching-Yu Chang, Chin-Hsiang Lin
  • Patent number: 11003097
    Abstract: Immersion lithography system and method using a sealed wafer bottom are described. One embodiment is an immersion lithography apparatus comprising a lens assembly comprising an imaging lens and a wafer stage for retaining a wafer beneath the lens assembly, the wafer stage comprising a seal ring disposed on a seal ring frame along a top edge of the wafer retained on the wafer stage, the seal ring for sealing a gap between an edge of the wafer and the wafer stage. The embodiment further includes a fluid tank for retaining immersion fluid, the fluid tank situated with respect to the wafer stage for enabling full immersion of the wafer retained on the wafer stage in the immersion fluid and a cover disposed over at least a portion of the fluid tank for providing a temperature-controlled, fluid-rich environment within the fluid tank.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: May 11, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Burn Jeng Lin, Ching-Yu Chang
  • Publication number: 20210134589
    Abstract: A method of forming a pattern in a photoresist includes forming a photoresist layer over a substrate, and selectively exposing the photoresist layer to actinic radiation to form a latent pattern. The latent pattern is developed by applying a developer composition to the selectively exposed photoresist layer to form a pattern. The developer composition includes a first solvent having Hansen solubility parameters of 15<?d<25, 10<?p<25, and 6<?h<30; an acid having an acid dissociation constant, pKa, of ?15<pKa<5, or a base having a pKa of 40>pKa>9.5; and a second solvent having a dielectric constant greater than 18. The first solvent and the second solvent are different solvents.
    Type: Application
    Filed: September 11, 2020
    Publication date: May 6, 2021
    Inventors: Ming-Hui WENG, An-Ren ZI, Ching-Yu CHANG, Chen-Yu LIU
  • Publication number: 20210134656
    Abstract: Semiconductor devices and methods of forming semiconductor devices are provided. A method includes forming a first mask layer over an underlying layer, patterning the first mask layer to form a first opening, forming a non-conformal film over the first mask layer, wherein a first thickness of the non-conformal film formed on the top surface of the first mask layer is greater than a second thickness of the non-conformal film formed on a sidewall surface of the first mask layer, performing a descum process, wherein the descum process removes a portion of the non-conformal film within the first opening, and etching the underlying layer using the patterned first mask layer and remaining portions of the non-conformal film as an etching mask.
    Type: Application
    Filed: December 11, 2020
    Publication date: May 6, 2021
    Inventors: Wei-Ren Wang, Shing-Chyang Pan, Ching-Yu Chang, Wan-Lin Tsai, Jung-Hau Shiu, Tze-Liang Lee
  • Publication number: 20210134746
    Abstract: A method of manufacturing a bump structure includes forming a passivation layer over a substrate. A metal pad structure is formed over the substrate, wherein the passivation layer surrounds the metal pad structure. A polyimide layer including a polyimide is formed over the passivation layer and the metal pad structure. A metal bump is formed over the metal pad structure and the polyimide layer. The polyimide is a reaction product of a dianhydride and a diamine, wherein at least one of the dianhydride and the diamine comprises one selected from the group consisting of a cycloalkane, a fused ring, a bicycloalkane, a tricycloalkane, a bicycloalkene, a tricycloalkene, a spiroalkane, and a heterocyclic ring.
    Type: Application
    Filed: September 11, 2020
    Publication date: May 6, 2021
    Inventors: Ching-Yu CHANG, Ming-Da CHENG, Ming-Hui WENG
  • Publication number: 20210132497
    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.
    Type: Application
    Filed: March 5, 2020
    Publication date: May 6, 2021
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Li-Po YANG, Wei-Han LAI, Ching-Yu CHANG
  • Patent number: 10990013
    Abstract: A method for forming a semiconductor device structure is provided. The method includes forming a material layer over a substrate and forming a resist layer over the material layer. The resist layer includes an inorganic material and an auxiliary. The inorganic material includes a plurality of metallic cores and a plurality of first linkers bonded to the metallic cores. The method includes exposing a portion of the resist layer. The resist layer includes an exposed region and an unexposed region. In the exposed region, the auxiliary reacts with the first linkers. The method also includes removing the unexposed region of the resist layer by using a developer to form a patterned resist layer. The developer includes a ketone-based solvent having a formula (a), wherein R1 is linear or branched C1-C5 alkyl, and R2 is linear or branched C3-C9 alkyl.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: April 27, 2021
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: An-Ren Zi, Ching-Yu Chang, Chin-Hsiang Lin
  • Patent number: 10978301
    Abstract: Embodiments provide a patterning process. A photoresist layer is patterned. At least portions of the photoresist layer are converted from an organic material to an inorganic material by a deposition process of a metal oxide. All or some of the patterned photoresist layer may be converted to a carbon-metal-oxide. A metal oxide crust may be formed over the patterned photoresist layer. After conversion, the patterned photoresist layer is used as an etch mask to etch an underlying layer.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: April 13, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ching-Yu Chang, Jung-Hau Shiu, Wei-Ren Wang, Shing-Chyang Pan, Tze-Liang Lee
  • Publication number: 20210103218
    Abstract: A method is provided including forming a first layer over a substrate and forming an adhesion layer over the first layer. The adhesion layer has a composition including an epoxy group. A photoresist layer is formed directly on the adhesion layer. A portion of the photoresist layer is exposed to a radiation source. The composition of the adhesion layer and the exposed portion of the photoresist layer cross-link using the epoxy group. Thee photoresist layer is then developed (e.g., by a negative tone developer) to form a photoresist pattern feature, which may overlie the formed cross-linked region.
    Type: Application
    Filed: December 7, 2020
    Publication date: April 8, 2021
    Inventors: Chen-Yu LIU, Tzu-Yang LIN, Ya-Ching CHANG, Ching-Yu CHANG, Chin-Hsiang LIN
  • Publication number: 20210103220
    Abstract: A photoresist layer is coated over a wafer. The photoresist layer includes a metal-containing material. An extreme ultraviolet (EUV) lithography process is performed to the photoresist layer to form a patterned photoresist. The wafer is cleaned with a cleaning fluid to remove the metal-containing material. The cleaning fluid includes a solvent having Hansen solubility parameters of delta D in a range between 13 and 25, delta P in a range between 3 and 25, and delta H in a range between 4 and 30. The solvent contains an acid with an acid dissociation constant less than 4 or a base with an acid dissociation constant greater than 9.
    Type: Application
    Filed: December 14, 2020
    Publication date: April 8, 2021
    Inventors: An-Ren Zi, Joy Cheng, Ching-Yu Chang
  • Publication number: 20210103213
    Abstract: The present disclosure provides a method for lithography patterning in accordance with some embodiments. The method includes forming a photoresist layer over a substrate, wherein the photoresist layer includes a metal-containing chemical; performing an exposing process to the photoresist layer; and performing a first developing process to the photoresist layer using a first developer, thereby forming a patterned resist layer, wherein the first developer includes a first solvent and a chemical additive to remove metal residuals generated from the metal-containing chemical.
    Type: Application
    Filed: December 14, 2020
    Publication date: April 8, 2021
    Inventors: An-Ren Zi, Joy Cheng, Ching-Yu Chang, Chin-Hsiang Lin
  • Publication number: 20210098378
    Abstract: A device includes a substrate; a first layer over the substrate, the first layer containing a plurality of fin features and a trench between two adjacent fin features. The device also includes a porous material layer having a first portion and a second portion. The first portion is disposed in the trench. The second portion is disposed on a top surface of the first layer. The first and the second portions contain substantially same percentage of Si, substantially same percentage of O, and substantially same percentage of C.
    Type: Application
    Filed: December 14, 2020
    Publication date: April 1, 2021
    Inventors: Bo-Jiun Lin, Ching-Yu Chang, Hai-Ching Chen, Tien-I Bao
  • Publication number: 20210074538
    Abstract: A method of manufacturing a semiconductor device includes forming a first protective layer over an edge portion of a first main surface of a semiconductor substrate. A metal-containing photoresist layer is formed over the first main surface of the semiconductor substrate. The first protective layer is removed, and the metal-containing photoresist layer is selectively exposed to actinic radiation. A second protective layer is formed over the edge portion of the first main surface of the semiconductor substrate. The selectively exposed photoresist layer is developed to form a patterned photoresist layer, and the second protective layer is removed.
    Type: Application
    Filed: August 12, 2020
    Publication date: March 11, 2021
    Inventors: An-Ren ZI, Ching-Yu CHANG, Chin-Hsiang LIN
  • Publication number: 20210063876
    Abstract: A photoresist includes a core group that contains metal, and one or more first ligands or one or more second ligands attached to the core group. The first ligands each have a following structure: The second ligands each have a following structure: represents the core group. L? represents a chemical that includes 0˜2 carbon atoms saturated by Hydrogen (H) or Fluorine (F). L represents a chemical that includes 1˜6 carbon atoms saturated by H or F. L? represents a chemical that includes 1˜6 carbon atoms saturated by H. L?? represents a chemical that includes 1˜6 carbon atoms saturated by H or F. Linker represents a chemical that links L? and L?? together.
    Type: Application
    Filed: November 12, 2019
    Publication date: March 4, 2021
    Inventors: An-Ren Zi, Chen-Yu Liu, Ching-Yu Chang