Patents by Inventor Chao-Hui Tseng
Chao-Hui Tseng 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: 12203961Abstract: A vertical probe card device and a fence-like probe thereof are provided. The fence-like probe has a probe length within a range from 5 mm to 8 mm. The fence-like probe includes a fence-like segment, a connection segment, and a testing segment. The fence-like segment has an elongated shape defining a longitudinal direction, and the fence-like segment has a penetrating slot and a first protrusion. The penetrating slot is formed along the longitudinal direction and has a length greater than 65% of the probe length. The first protrusion extends from one of two long walls of the penetrating slot by a first predetermined width and is spaced apart from another one of the two long walls of the penetrating slot by a first gap. The connection segment and the testing segment are respectively connected to two end portions of the fence-like segment.Type: GrantFiled: November 4, 2022Date of Patent: January 21, 2025Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.Inventors: Wei-Jhih Su, Chao-Hui Tseng, Hao-Yen Cheng, Mei-Hui Chen
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Patent number: 12181496Abstract: A cantilever probe card and a probe module thereof are provided. The probe module includes a supporting board, a substrate disposed on the supporting board, a plurality of cantilever probes, and a plurality of fine adjustment members. The substrate has a non-planar shape and has a difference of warpage along a testing direction. One end of each of the cantilever probes is connected to the substrate, and another end of each of the cantilever probes is a free end. The fine adjustment members are spaced apart from each other and are disposed between the supporting board and the substrate. Each of the fine adjustment members is configured to be independently operable along the testing direction for changing a distance between the supporting board and the substrate. The substrate is deformable through at least one of the fine adjustment members so as to reduce the difference of warpage.Type: GrantFiled: November 6, 2022Date of Patent: December 31, 2024Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.Inventors: Wei-Jhih Su, Chao-Hui Tseng, Hao-Yen Cheng, Rong-Yang Lai
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Publication number: 20240385219Abstract: A light scattering probe includes an arm segment, a main segment located at one side of the arm segment, and a testing segment connected to another side of the arm segment. The main segment has a soldering end portion and an extending end portion respectively located at two opposite sides thereof along a predetermined direction. The testing segment has an upright shape along the predetermined direction and includes a pinpoint portion and an upright portion that connects the pinpoint portion and the arm segment. The upright portion has a roughened surface arranged on an entirety of an outer surface thereof. The roughened surface has an arithmetic average roughness (Ra) within a range from 0.1 ?m to 1 ?m. Through the roughened surface, the testing segment only forms an observation point at the pinpoint portion in an observation process of a detection apparatus.Type: ApplicationFiled: April 11, 2024Publication date: November 21, 2024Inventors: HAO-YEN CHENG, Rong-Yang Lai, CHAO-HUI TSENG, WEI-JHIH SU
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Publication number: 20240385223Abstract: A solder receiving probe includes an arm segment, a main segment located at one side of the arm segment, and a testing segment connected to another side of the arm segment. The main segment has a soldering end portion and an extending end portion respectively located at two opposite sides thereof along a predetermined direction. The main segment has a plurality of solder receiving holes that are arranged along a top edge of the soldering end portion and that are arranged in one row along an extending direction perpendicular to the predetermined direction. Any two of the solder receiving holes adjacent to each other are provided with one inner supporting arm therebetween. Each of the solder receiving holes can receive a solder, so that the solder does not climb across the solder receiving holes of the one row along the predetermined direction.Type: ApplicationFiled: April 11, 2024Publication date: November 21, 2024Inventors: HAO-YEN CHENG, Rong-Yang Lai, CHAO-HUI TSENG, WEI-JHIH SU
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Publication number: 20240385222Abstract: A cantilever probe module includes a plurality of first probes and a plurality of second probes. Each of the first probes includes a first arm segment, a first main segment, and a first testing segment, the latter two of which are respectively connected to two ends of the first arm segment. Each of the second probes includes a second arm segment, an extending segment and a second testing segment both respectively connected to two ends of the second arm segment, and a second main segment that is connected to the extending segment. A height of the extending segment is 5% to 50% of a height of the second main segment. When the first main segments of the first probes and the second main segments of the second probes are staggeredly fixed onto a substrate, the first testing segments and the second testing segments are arranged in one row.Type: ApplicationFiled: April 11, 2024Publication date: November 21, 2024Inventors: HAO-YEN CHENG, Rong-Yang Lai, CHAO-HUI TSENG, WEI-JHIH SU
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Publication number: 20240385221Abstract: A light absorption probe includes an arm segment, a main segment located at one side of the arm segment, a testing segment connected to another side of the arm segment, and a light absorption coating layer. The main segment has a soldering end portion and an extending end portion respectively located at two opposite sides thereof along a predetermined direction. The testing segment has an upright shape along the predetermined direction and includes a pinpoint portion and an upright portion that connects the pinpoint portion and the arm segment. The light absorption coating layer covers the upright portion, and the pinpoint portion is exposed from the light absorption coating layer. Through the light absorption coating layer, the testing segment only forms an observation point at the pinpoint portion in an observation process of a detection apparatus.Type: ApplicationFiled: April 11, 2024Publication date: November 21, 2024Inventors: HAO-YEN CHENG, Rong-Yang Lai, CHAO-HUI TSENG, WEI-JHIH SU
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Publication number: 20240385218Abstract: A micro electro mechanical system (MEMS) probe includes an arm segment, a main segment, and a testing segment. The main segment is arranged at one side of the arm segment, the main segment defines a layout region arranged inside of an outer contour thereof, and the main segment has a soldering end portion and an extending end portion respectively arranged at two opposite sides of the distribution region along a predetermined direction. The testing segment has an upright shape along the predetermined direction and is connected to another side of the arm segment. The layout region has a plurality of thru-holes that occupy 3% to 70% of a region surroundingly defined by the outer contour. The layout region is spaced apart from the outer contour by a layout spacing that is less than or equal to an inner diameter of any one of the thru-holes.Type: ApplicationFiled: April 11, 2024Publication date: November 21, 2024Inventors: HAO-YEN CHENG, Rong-Yang Lai, CHAO-HUI TSENG, WEI-JHIH SU
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Publication number: 20240385217Abstract: A climb-restricting probe includes an arm segment, a main segment located at one side of the arm segment, a testing segment connected to another side of the arm segment, and a climb-restricting ring. The main segment has a soldering end portion and an extending end portion respectively located at two opposite sides thereof along a predetermined direction. The testing segment has an upright shape along the predetermined direction. The climb-restricting ring surrounds the main segment along a top edge of the soldering end portion and protrudes from an outer surface of the main segment. The climb-restricting ring has a restriction height along the predetermined direction. The restriction height is within a range from 3 ?m to 50 ?m. The climb-restricting ring can block a solder from climbing past the climb-restricting ring along the predetermined direction.Type: ApplicationFiled: April 11, 2024Publication date: November 21, 2024Inventors: HAO-YEN CHENG, Rong-Yang Lai, CHAO-HUI TSENG, WEI-JHIH SU
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Patent number: 12146897Abstract: A vertical probe card having different probes is provided, and includes a first guiding board unit, a second guiding board unit, and a plurality of fence-like probes passing through the first and the second guiding board units. Each of the fence-like probes has a probe length within a range from 5 mm to 8 mm, and includes a fence-like segment, a connection segment, and a testing segment. The fence-like segment includes a penetrating slot having a length greater than 65% of the probe length. The fence-like segment includes two arms respectively arranged at two opposite sides of the penetrating slot and spaced apart from each other by an adjustment distance within a range from 10 ?m to 120 ?m. The fence-like probes include a first probe and a second probe, which have a same contact force and are configured to respectively meet different electrical transmission requirements.Type: GrantFiled: November 3, 2022Date of Patent: November 19, 2024Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.Inventors: Wei-Jhih Su, Chao-Hui Tseng, Hao-Yen Cheng, Mei-Hui Chen
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Patent number: 12111336Abstract: A modular vertical probe card having different probes is provided, and includes a first guiding board unit, a second guiding board unit, and a plurality of conductive probes that pass through the first and the second guiding board units. The conductive probes have a same probe length. Each of the conductive probes includes a stroke segment located between the first guiding board unit and the second guiding board unit, a connection segment, and a testing segment, the latter two of which are respectively connected to two ends of the stroke segment. The stroke segments of the conductive probes have N number of shapes different from each other to allow the conductive probes to have a same contact force and to be configured to meet N number of electrical transmission requirements different from each other, in which N is a positive integer greater than one.Type: GrantFiled: November 4, 2022Date of Patent: October 8, 2024Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.Inventors: Wei-Jhih Su, Chao-Hui Tseng, Hao-Yen Cheng, Mei-Hui Chen
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Patent number: 12092661Abstract: A cantilever probe card device and an elastic probe thereof are provided. The elastic probe includes a soldering segment, a testing segment, two outer elastic arms spaced apart from each other. The testing segment is spaced apart from the soldering segment along an arrangement direction, and has a needle tip, an outer edge, and an inner edge that is opposite to the outer edge. Each of the two outer elastic arms has two end portions respectively connected to the soldering segment and the inner edge of the testing segment. Moreover, one of the two outer elastic arms adjacent to the needle tip is defined as a first outer elastic arm, and another one of the two outer elastic arms is defined as a second outer elastic arm. Specifically, a length of the first outer elastic arm is greater than a length of the second outer elastic arm.Type: GrantFiled: November 4, 2022Date of Patent: September 17, 2024Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.Inventors: Wei-Jhih Su, Chao-Hui Tseng, Hao-Yen Cheng, Rong-Yang Lai
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Patent number: 11988686Abstract: A vertical probe card and a fence-like probe thereof are provided. The fence-like probe has a probe length within a range from 5 mm to 8 mm. The fence-like probe includes a fence-like segment, a ceramic layer, a connection segment, and a testing segment. The fence-like segment has an elongated shape defining a longitudinal direction, and the fence-like segment has a penetrating slot that is formed along the longitudinal direction and that has a length greater than 65% of the probe length. The ceramic layer is directly formed on an outer surface of the fence-like segment and covers two long walls of the penetrating slot. The connection segment and the testing segment are respectively connected to two end portions of the fence-like segment, and is not formed on the connection segment and the testing segment.Type: GrantFiled: November 3, 2022Date of Patent: May 21, 2024Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.Inventors: Wei-Jhih Su, Chao-Hui Tseng, Hao-Yen Cheng, Mei-Hui Chen
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Patent number: 11913973Abstract: A cantilever probe card device and a focusing probe thereof are provided. The focusing probe includes a soldering segment, a testing segment, two outer elastic arms spaced apart from each other, and a focusing portion. The testing segment is spaced apart from the soldering segment along an arrangement direction, and has a needle tip, an outer edge, and an inner edge that is opposite to the outer edge. Each of the two outer elastic arms has two end portions respectively connected to the soldering segment and the inner edge of the testing segment. The focusing portion is connected to the inner edge and is located between the needle tip and the two outer elastic arms, and has a plurality of focusing points arranged on one side thereof away from the two outer elastic arms.Type: GrantFiled: November 4, 2022Date of Patent: February 27, 2024Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.Inventors: Wei-Jhih Su, Chao-Hui Tseng, Hao-Yen Cheng, Rong-Yang Lai
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Patent number: 11879912Abstract: A cantilever probe card and a carrier thereof are provided. The carrier includes a seat, a metal sheet, and a plurality of coarse adjustment members. The metal sheet is assembled to the seat and has a carrying surface. The coarse adjustment members are spaced apart from each other and are disposed between the seat and the metal sheet. Each of the coarse adjustment members is configured to be independently operable along a testing direction for changing a distance between the carrying surface and the seat. The carrying surface has a plurality of assembling regions spaced apart from each other, and at least two of the assembling regions have an assembling tolerance therebetween along the testing direction. The metal sheet of the carrier is deformable through at least one of the coarse adjustment members so as to reduce the assembling tolerance along the testing direction.Type: GrantFiled: November 3, 2022Date of Patent: January 23, 2024Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.Inventors: Wei-Jhih Su, Chao-Hui Tseng, Hao-Yen Cheng, Rong-Yang Lai
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Publication number: 20230349948Abstract: A cantilever probe card and a carrier thereof are provided. The carrier includes a seat, a metal sheet, and a plurality of coarse adjustment members. The metal sheet is assembled to the seat and has a carrying surface. The coarse adjustment members are spaced apart from each other and are disposed between the seat and the metal sheet. Each of the coarse adjustment members is configured to be independently operable along a testing direction for changing a distance between the carrying surface and the seat. The carrying surface has a plurality of assembling regions spaced apart from each other, and at least two of the assembling regions have an assembling tolerance therebetween along the testing direction. The metal sheet of the carrier is deformable through at least one of the coarse adjustment members so as to reduce the assembling tolerance along the testing direction.Type: ApplicationFiled: November 3, 2022Publication date: November 2, 2023Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, Rong-Yang Lai
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Publication number: 20230349952Abstract: A cantilever probe card device and an elastic probe thereof are provided. The elastic probe includes a soldering segment, a testing segment, two outer elastic arms spaced apart from each other. The testing segment is spaced apart from the soldering segment along an arrangement direction, and has a needle tip, an outer edge, and an inner edge that is opposite to the outer edge. Each of the two outer elastic arms has two end portions respectively connected to the soldering segment and the inner edge of the testing segment. Moreover, one of the two outer elastic arms adjacent to the needle tip is defined as a first outer elastic arm, and another one of the two outer elastic arms is defined as a second outer elastic arm. Specifically, a length of the first outer elastic arm is greater than a length of the second outer elastic arm.Type: ApplicationFiled: November 4, 2022Publication date: November 2, 2023Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, Rong-Yang Lai
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Publication number: 20230349953Abstract: A cantilever probe card and a probe module thereof are provided. The probe module includes a supporting board, a substrate disposed on the supporting board, a plurality of cantilever probes, and a plurality of fine adjustment members. The substrate has a non-planar shape and has a difference of warpage along a testing direction. One end of each of the cantilever probes is connected to the substrate, and another end of each of the cantilever probes is a free end. The fine adjustment members are spaced apart from each other and are disposed between the supporting board and the substrate. Each of the fine adjustment members is configured to be independently operable along the testing direction for changing a distance between the supporting board and the substrate. The substrate is deformable through at least one of the fine adjustment members so as to reduce the difference of warpage.Type: ApplicationFiled: November 6, 2022Publication date: November 2, 2023Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, Rong-Yang Lai
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Publication number: 20230349951Abstract: A cantilever probe card device and a focusing probe thereof are provided. The focusing probe includes a soldering segment, a testing segment, two outer elastic arms spaced apart from each other, and a focusing portion. The testing segment is spaced apart from the soldering segment along an arrangement direction, and has a needle tip, an outer edge, and an inner edge that is opposite to the outer edge. Each of the two outer elastic arms has two end portions respectively connected to the soldering segment and the inner edge of the testing segment. The focusing portion is connected to the inner edge and is located between the needle tip and the two outer elastic arms, and has a plurality of focusing points arranged on one side thereof away from the two outer elastic arms.Type: ApplicationFiled: November 4, 2022Publication date: November 2, 2023Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, Rong-Yang Lai
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Publication number: 20230314481Abstract: A modular vertical probe card having different probes is provided, and includes a first guiding board unit, a second guiding board unit, and a plurality of conductive probes that pass through the first and the second guiding board units. The conductive probes have a same probe length. Each of the conductive probes includes a stroke segment located between the first guiding board unit and the second guiding board unit, a connection segment, and a testing segment, the latter two of which are respectively connected to two ends of the stroke segment. The stroke segments of the conductive probes have N number of shapes different from each other to allow the conductive probes to have a same contact force and to be configured to meet N number of electrical transmission requirements different from each other, in which N is a positive integer greater than one.Type: ApplicationFiled: November 4, 2022Publication date: October 5, 2023Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, MEI-HUI CHEN
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Publication number: 20230314478Abstract: A vertical probe card and a fence-like probe thereof are provided. The fence-like probe has a probe length within a range from 5 mm to 8 mm. The fence-like probe includes a fence-like segment, a ceramic layer, a connection segment, and a testing segment. The fence-like segment has an elongated shape defining a longitudinal direction, and the fence-like segment has a penetrating slot that is formed along the longitudinal direction and that has a length greater than 65% of the probe length. The ceramic layer is directly formed on an outer surface of the fence-like segment and covers two long walls of the penetrating slot. The connection segment and the testing segment are respectively connected to two end portions of the fence-like segment, and is not formed on the connection segment and the testing segment.Type: ApplicationFiled: November 3, 2022Publication date: October 5, 2023Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, MEI-HUI CHEN