Patents by Inventor Ching-Han Chang
Ching-Han 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).
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Patent number: 11955336Abstract: Method of manufacturing a semiconductor device, includes forming a protective layer over substrate having a plurality of protrusions and recesses. The protective layer includes polymer composition including polymer having repeating units of one or more of: Wherein a, b, c, d, e, f, g, h, and i are each independently H, —OH, —ROH, —R(OH)2, —NH2, —NHR, —NR2, —SH, —RSH, or —R(SH)2, wherein at least one of a, b, c, d, e, f, g, h, and i on each repeating unit is not H. R, R1, and R2 are each independently a C1-C10 alkyl group, a C3-C10 cycloalkyl group, a C1-C10 hydroxyalkyl group, a C2-C10 alkoxy group, a C2-C10 alkoxy alkyl group, a C2-C10 acetyl group, a C3-C10 acetylalkyl group, a C1-C10 carboxyl group, a C2-C10 alkyl carboxyl group, or a C4-C10 cycloalkyl carboxyl group, and n is 2-1000. A resist layer is formed over the protective layer, and the resist layer is patterned.Type: GrantFiled: April 23, 2021Date of Patent: April 9, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Jing Hong Huang, Wei-Han Lai, Ching-Yu Chang
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Patent number: 11938272Abstract: The present invention discloses a respiratory mask to connect a user and a breathing tube for receiving a first gas and releasing a second gas, so as to provide an user's respiratory system to exchange gas. It comprises a main part, an air chamber exchange part, an insert and a clamping part. The main part provides a first, second, and third openings that are communicated each other. The first opening connects to the breathing tube to receive the first gas from the breathing tube. The air chamber exchange part provides an exhaust assembly to relieve pressure according to an internal air pressure of the air chamber exchange part. The insert connects to the user's nose so as to direct the first gas to the user or direct the second gas from the user to the air chamber exchange part. The clamping part connects to the user's mouth.Type: GrantFiled: January 29, 2020Date of Patent: March 26, 2024Assignee: MACKAY MEMORIAL HOSPITALInventors: Wen-Han Chang, Shih-Yi Lee, Ren-Jei Chung, Ching-Yu Kuo
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Publication number: 20240096623Abstract: A method of manufacturing a semiconductor device includes forming a first layer comprising an organic material over a substrate. A second layer is formed over the first layer, wherein the second layer includes a silicon-containing material and one or more selected from the group consisting of a photoacid generator, an actinic radiation absorbing additive including an iodine substituent, and a silicon-containing monomer having iodine or phenol group substituents. A photosensitive layer is formed over the second layer, and the photosensitive layer is patterned.Type: ApplicationFiled: March 17, 2023Publication date: March 21, 2024Inventors: Chieh-Hsin HSIEH, Wei-Han LAI, Ching-Yu CHANG
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Publication number: 20240099154Abstract: A magnetoresistive random access memory (MRAM) device includes a first array region and a second array region on a substrate, a first magnetic tunneling junction (MTJ) on the first array region, a first top electrode on the first MTJ, a second MTJ on the second array region, and a second top electrode on the second MTJ. Preferably, the first top electrode and the second top electrode include different nitrogen to titanium (N/Ti) ratios.Type: ApplicationFiled: November 21, 2023Publication date: March 21, 2024Applicant: UNITED MICROELECTRONICS CORPInventors: Hui-Lin Wang, Si-Han Tsai, Dong-Ming Wu, Chen-Yi Weng, Ching-Hua Hsu, Ju-Chun Fan, Yi-Yu Lin, Che-Wei Chang, Po-Kai Hsu, Jing-Yin Jhang
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Patent number: 11935757Abstract: A method of manufacturing a semiconductor device 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: GrantFiled: April 10, 2023Date of Patent: March 19, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yen-Hao Chen, Wei-Han Lai, Ching-Yu Chang, Chin-Hsiang Lin
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Publication number: 20240077802Abstract: A method of forming a photoresist pattern includes forming a protective layer over a photoresist layer formed on a substrate. The protective layer and the photoresist layer are selectively exposed to actinic radiation. The photoresist layer is developed to form a pattern in the photoresist layer. The protective layer includes a polymer without a nitrogen-containing moiety, and a basic quencher, an organic acid, a photoacid generator, or a thermal acid generator.Type: ApplicationFiled: August 7, 2023Publication date: March 7, 2024Inventors: Yu-Chung SU, Tsung-Han KO, Ching-Yu CHANG
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Patent number: 11917923Abstract: A magnetoresistive random access memory (MRAM) structure, including a substrate and multiple MRAM cells on the substrate, wherein the MRAM cells are arranged in a memory region adjacent to a logic region. An ultra low-k (ULK) layer covers the MRAM cells, wherein the surface portion of ultra low-k layer is doped with fluorine, and dents are formed on the surface of ultra low-k layer at the boundaries between the memory region and the logic region.Type: GrantFiled: April 28, 2021Date of Patent: February 27, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Ching-Hua Hsu, Si-Han Tsai, Shun-Yu Huang, Chen-Yi Weng, Ju-Chun Fan, Che-Wei Chang, Yi-Yu Lin, Po-Kai Hsu, Jing-Yin Jhang, Ya-Jyuan Hung
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Patent number: 11914301Abstract: A photoresist includes a polymer and a photoactive compound. The photoactive compound contains a sensitizer component. The photoactive compound contains an acid generator or a base molecular. The acid generator or the base molecular bonds the sensitizer component. The photoactive compound is within a polymer backbone. The sensitizer component is configured to absorb an EUV light to produce electrons.Type: GrantFiled: July 16, 2021Date of Patent: February 27, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chieh-Hsin Hsieh, Wei-Han Lai, Ching-Yu Chang
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Patent number: 11819991Abstract: A retaining device adapted for use with an electric nail gun includes a retaining member; a swing arm unit adapted to swing between a proximate position and a distal position with respect to a flywheel of the nail gun; an impact unit movably connected to the swing arm unit, including an engaging portion, and being movable between a pre-striking position, where the engaging portion is confined within the retaining member when the swing arm unit is at the distal position, and a striking position, where the engaging portion is removed from the retaining member; and a retrieving unit connected between the impact unit and the swing arm unit, and configured to bias the impact unit to move to the pre-striking position.Type: GrantFiled: November 23, 2021Date of Patent: November 21, 2023Assignee: Basso Industry Corp.Inventors: Chia-Yu Chien, Ching-Han Chang
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Publication number: 20230293011Abstract: A non-contact vital-sign monitoring system having a radar disposed in vicinity of a monitored subject includes a data buffer storing output signals of the radar sampled in sequence during a predetermined period; a status classifier determining status of the monitored subject; and a vital-sign detector determining a vital sign of the monitored subject according to the output signals of stationary status.Type: ApplicationFiled: May 23, 2023Publication date: September 21, 2023Inventors: Sheng-Lun Chiou, Yin-Yu Chen, Fang-Ming Wu, Ching-Han Chang
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Patent number: 11738431Abstract: A retaining device adapted for use with an electric nail gun includes: a swing arm unit adapted to swing relative to a flywheel of the nail gun; an impact unit adapted to swing with the swing arm unit, and being movable between a pre-striking position proximate to the flywheel, and a striking position distal from the flywheel; a retrieving unit configured to bias the impact unit to move to the pre-striking position; and first and second positioning members connected respectively to the swing arm unit and the impact unit, and magnetically attracted to each other to prohibit removal of the impact unit from the pre-striking position when the impact unit is at the pre-striking position.Type: GrantFiled: December 6, 2021Date of Patent: August 29, 2023Assignee: Basso Industry Corp.Inventors: Chia-Yu Chien, Ching-Han Chang, Tsu-Yu Cho
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Patent number: 11707826Abstract: A retaining device adapted for use with an electric nail gun includes: a swing arm unit adapted to swing relative to a flywheel of the nail gun; an impact unit adapted to swing with the swing arm unit, and being movable between a pre-striking position proximate to the flywheel, and a striking position distal from the flywheel; a retrieving unit configured to bias the impact unit to move to the pre-striking position; and first and second positioning members connected respectively to the swing arm unit and the impact unit, and telescopically engaged with and in frictional contact with each other when the impact unit is at the pre-striking position, so as to position the impact unit on the swing arm unit.Type: GrantFiled: January 11, 2022Date of Patent: July 25, 2023Assignee: Basso Industry Corp.Inventors: Chia-Yu Chien, Ching-Han Chang
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Publication number: 20220219302Abstract: A retaining device adapted for use with an electric nail gun includes: a swing arm unit adapted to swing relative to a flywheel of the nail gun; an impact unit adapted to swing with the swing arm unit, and being movable between a pre-striking position proximate to the flywheel, and a striking position distal from the flywheel; a retrieving unit configured to bias the impact unit to move to the pre-striking position; and first and second positioning members connected respectively to the swing arm unit and the impact unit, and telescopically engaged with and in frictional contact with each other when the impact unit is at the pre-striking position, so as to position the impact unit on the swing arm unit.Type: ApplicationFiled: January 11, 2022Publication date: July 14, 2022Applicant: BASSO INDUSTRY CORP.Inventors: Chia-Yu CHIEN, Ching-Han CHANG
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Publication number: 20220176531Abstract: A retaining device adapted for use with an electric nail gun includes: a swing arm unit adapted to swing relative to a flywheel of the nail gun; an impact unit adapted to swing with the swing arm unit, and being movable between a pre-striking position proximate to the flywheel, and a striking position distal from the flywheel; a retrieving unit configured to bias the impact unit to move to the pre-striking position; and first and second positioning members connected respectively to the swing arm unit and the impact unit, and magnetically attracted to each other to prohibit removal of the impact unit from the pre-striking position when the impact unit is at the pre-striking position.Type: ApplicationFiled: December 6, 2021Publication date: June 9, 2022Applicant: BASSO INDUSTRY CORP.Inventors: Chia-Yu CHIEN, Ching-Han CHANG, Tsu-Yu CHO
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Publication number: 20220161405Abstract: A retaining device adapted for use with an electric nail gun includes a retaining member; a swing arm unit adapted to swing between a proximate position and a distal position with respect to a flywheel of the nail gun; an impact unit movably connected to the swing arm unit, including an engaging portion, and being movable between a pre-striking position, where the engaging portion is confined within the retaining member when the swing arm unit is at the distal position, and a striking position, where the engaging portion is removed from the retaining member; and a retrieving unit connected between the impact unit and the swing arm unit, and configured to bias the impact unit to move to the pre-striking position.Type: ApplicationFiled: November 23, 2021Publication date: May 26, 2022Applicant: BASSO INDUSTRY CORP.Inventors: Chia-Yu CHIEN, Ching-Han CHANG
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Publication number: 20210141825Abstract: The present teaching relates to a method, system, and programming for searching content. A sketch of an object is obtained from a user. The sketch is processed by a neural network to generate an image corresponding to the sketch of the object. One or more features are extracted from the image, and one or more images previously stored are identified that have features similar to the one or more features. The one or more images are provided to the user.Type: ApplicationFiled: November 12, 2019Publication date: May 13, 2021Inventors: Wei-Lun Su, Wen-Hsuan Wu, Ching-Han Chang, Tzu-Chiang Liou
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Patent number: 10845697Abstract: A transparent film is used with a projector which emits a projected light. The transparent film includes a transparent substrate; a light-scattering layer disposed at an upstream position of the transparent substrate with respect to the projected light, and including a plurality of microstructures configured to scatter the projected light; and a light-blocking layer disposed at an upstream position of the light-scattering layer with respect to the projected light, and including a plurality of separate light-blocking units, which are configured to partially block the projected light and partially allow the projected light to reach the light-scattering layer.Type: GrantFiled: December 10, 2019Date of Patent: November 24, 2020Assignee: BJ TEK CORPORATIONInventors: He-Yuan Jiang, Hsiu-Cheng Chang, Ching-Han Chang
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Publication number: 20200196866Abstract: A non-contact vital-sign monitoring system having a radar disposed in vicinity of a monitored subject includes a data buffer storing output signals of the radar sampled in sequence during a predetermined period; a status classifier determining status of the monitored subject; and a vital-sign detector determining a vital sign of the monitored subject according to the output signals of stationary status.Type: ApplicationFiled: February 20, 2019Publication date: June 25, 2020Inventors: Sheng-Lun Chiou, Yin-Yu Chen, Fang-Ming Wu, Ching-Han Chang
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Publication number: 20200192211Abstract: A transparent film is used with a projector which emits a projected light. The transparent film includes a transparent substrate; a light-scattering layer disposed at an upstream position of the transparent substrate with respect to the projected light, and including a plurality of microstructures configured to scatter the projected light; and a light-blocking layer disposed at an upstream position of the light-scattering layer with respect to the projected light, and including a plurality of separate light-blocking units, which are configured to partially block the projected light and partially allow the projected light to reach the light-scattering layer.Type: ApplicationFiled: December 10, 2019Publication date: June 18, 2020Inventors: HE-YUAN JIANG, HSIU-CHENG CHANG, CHING-HAN CHANG
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Publication number: 20190204380Abstract: An embodiment includes a first lead guide, a second lead guide, and a handler. The first lead guide includes a first insulating housing and a first conductive contact having a face and a recessed face. The second lead guide includes a second insulating housing and a second conductive contact. The first and second lead guides are fastened to the handler.Type: ApplicationFiled: January 24, 2018Publication date: July 4, 2019Inventors: Chi-Tsung LEE, Ching-Han CHANG, Chun-Hsien LU