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).

  • Patent number: 11913973
    Abstract: 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: Grant
    Filed: November 4, 2022
    Date of Patent: February 27, 2024
    Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.
    Inventors: Wei-Jhih Su, Chao-Hui Tseng, Hao-Yen Cheng, Rong-Yang Lai
  • Patent number: 11879912
    Abstract: 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: Grant
    Filed: November 3, 2022
    Date of Patent: January 23, 2024
    Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.
    Inventors: Wei-Jhih Su, Chao-Hui Tseng, Hao-Yen Cheng, Rong-Yang Lai
  • Publication number: 20230349952
    Abstract: 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: Application
    Filed: November 4, 2022
    Publication date: November 2, 2023
    Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, Rong-Yang Lai
  • Publication number: 20230349951
    Abstract: 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: Application
    Filed: November 4, 2022
    Publication date: November 2, 2023
    Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, Rong-Yang Lai
  • Publication number: 20230349953
    Abstract: 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: Application
    Filed: November 6, 2022
    Publication date: November 2, 2023
    Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, Rong-Yang Lai
  • Publication number: 20230349948
    Abstract: 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: Application
    Filed: November 3, 2022
    Publication date: November 2, 2023
    Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, Rong-Yang Lai
  • Publication number: 20230314477
    Abstract: 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: Application
    Filed: November 3, 2022
    Publication date: October 5, 2023
    Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, MEI-HUI CHEN
  • Publication number: 20230314480
    Abstract: 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: Application
    Filed: November 4, 2022
    Publication date: October 5, 2023
    Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, MEI-HUI CHEN
  • Publication number: 20230314478
    Abstract: 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: Application
    Filed: November 3, 2022
    Publication date: October 5, 2023
    Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, MEI-HUI CHEN
  • Publication number: 20230314481
    Abstract: 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: Application
    Filed: November 4, 2022
    Publication date: October 5, 2023
    Inventors: WEI-JHIH SU, CHAO-HUI TSENG, HAO-YEN CHENG, MEI-HUI CHEN
  • Patent number: 11506685
    Abstract: A probe card device and a disposable adjustment film thereof are provided. The disposable adjustment film is integrally formed as a single one-piece structure, and includes a probe hole and a plurality of first slots that are parallel to each other. The disposable adjustment film defines two predetermined lines respectively extending from two opposite lateral edges thereof to the probe hole. The two predetermined lines respectively extend across the first slots. In a plane that the disposable adjustment film is located thereon, when the disposable adjustment film is applied with forces that act in opposite directions and that are parallel to any one of the first slots, the disposable adjustment film is broken into two abandoned films along the two predetermined lines.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: November 22, 2022
    Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.
    Inventors: Kai-Chieh Hsieh, Wei-Jhih Su, Chao-Hui Tseng, Hsien-Yu Wang, Vel Sankar Ramachandran
  • Publication number: 20220365110
    Abstract: A probe card device and a disposable adjustment film thereof are provided. The disposable adjustment film is integrally formed as a single one-piece structure, and includes a probe hole and a plurality of first slots that are parallel to each other. The disposable adjustment film defines two predetermined lines respectively extending from two opposite lateral edges thereof to the probe hole. The two predetermined lines respectively extend across the first slots. In a plane that the disposable adjustment film is located thereon, when the disposable adjustment film is applied with forces that act in opposite directions and that are parallel to any one of the first slots, the disposable adjustment film is broken into two abandoned films along the two predetermined lines.
    Type: Application
    Filed: October 1, 2021
    Publication date: November 17, 2022
    Inventors: KAI-CHIEH HSIEH, WEI-JHIH SU, CHAO-HUI TSENG, HSIEN-YU WANG, VEL SANKAR RAMACHANDRAN
  • Patent number: 11073537
    Abstract: The present disclosure provides a probe card device and a conductive probe thereof. The conductive probe includes a metallic pin, an outer electrode, and a dielectric layer. The metallic pin includes a middle segment, a first connecting segment and a second connecting segment respectively extending from two opposite ends of the middle segment, and a first contacting segment and a second contacting segment respectively extending from the first connecting segment and second contacting segment along two opposite directions away from the middle segment. At least part of the outer electrode corresponds in position to the middle segment and is arranged adjacent to the first connecting segment. The dielectric layer is sandwiched between and entirely separates the metallic pin and the outer electrode, so that the outer electrode, the dielectric layer, and the metallic pin are jointly configured to generate a capacitance effect.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: July 27, 2021
    Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.
    Inventors: Wen-Tsung Lee, Kai-Chieh Hsieh, Chao-Hui Tseng, Wei-Jhih Su
  • Patent number: 10845387
    Abstract: A probe card device includes an upper die unit, a lower die unit, a spacer sandwiched between the upper and lower die units, an impedance adjusting member, and conductive probes. The upper die unit includes a first die and a second die spaced apart from the first die. The first die has a penetrating hole, and the second die has a circuit layer. The impedance adjusting member is disposed on the second die and is electrically coupled to the circuit layer. Each of the conductive probes passes through the upper die unit, the spacer, and the lower die unit. At least one of the conductive probes includes an upper contacting segment protruding from the upper die unit and an extending arm connected to the upper contacting segment. The extending arm is abutted against the circuit layer by passing through the penetrating hole.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: November 24, 2020
    Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.
    Inventors: Wen-Tsung Lee, Kai-Chieh Hsieh, Chao-Hui Tseng, Hsien-Yu Wang
  • Patent number: 10845388
    Abstract: A probe carrier of a probe card device includes an upper die unit, a lower die unit, a spacer sandwiched between the upper and lower die units, and an impedance adjusting member. The upper die unit includes a first die, a second die spaced apart from the first die, and a flexible board disposed on the second die and arranged away from the first die. The flexible board includes a plurality of penetrating holes and a circuit layer. The impedance adjusting member is disposed on the flexible board and is electrically coupled to the circuit layer. The circuit layer includes at least one plated wall arranged in at least one of the penetrating holes, a part of the flexible board having the at least one plated wall is separable from the second die by receiving an internal force.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: November 24, 2020
    Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.
    Inventors: Wen-Tsung Lee, Kai-Chieh Hsieh, Chao-Hui Tseng, Hsien-Yu Wang
  • Publication number: 20200300893
    Abstract: The present disclosure provides a probe card device and a conductive probe thereof. The conductive probe includes a metallic pin, an outer electrode, and a dielectric layer. The metallic pin includes a middle segment, a first connecting segment and a second connecting segment respectively extending from two opposite ends of the middle segment, and a first contacting segment and a second contacting segment respectively extending from the first connecting segment and second contacting segment along two opposite directions away from the middle segment. At least part of the outer electrode corresponds in position to the middle segment and is arranged adjacent to the first connecting segment. The dielectric layer is sandwiched between and entirely separates the metallic pin and the outer electrode, so that the outer electrode, the dielectric layer, and the metallic pin are jointly configured to generate a capacitance effect.
    Type: Application
    Filed: January 2, 2020
    Publication date: September 24, 2020
    Inventors: WEN-TSUNG LEE, KAI-CHIEH HSIEH, CHAO-HUI TSENG, WEI-JHIH SU
  • Publication number: 20200166543
    Abstract: A probe carrier of a probe card device includes an upper die unit, a lower die unit, a spacer sandwiched between the upper and lower die units, and an impedance adjusting member. The upper die unit includes a first die, a second die spaced apart from the first die, and a flexible board disposed on the second die and arranged away from the first die. The flexible board includes a plurality of penetrating holes and a circuit layer. The impedance adjusting member is disposed on the flexible board and is electrically coupled to the circuit layer. The circuit layer includes at least one plated wall arranged in at least one of the penetrating holes, a part of the flexible board having the at least one plated wall is separable from the second die by receiving an internal force.
    Type: Application
    Filed: May 6, 2019
    Publication date: May 28, 2020
    Inventors: WEN-TSUNG LEE, KAI-CHIEH HSIEH, CHAO-HUI TSENG, HSIEN-YU WANG
  • Publication number: 20200158756
    Abstract: A probe card device includes an upper die unit, a lower die unit, a spacer sandwiched between the upper and lower die units, an impedance adjusting member, and conductive probes. The upper die unit includes a first die and a second die spaced apart from the first die. The first die has a penetrating hole, and the second die has a circuit layer. The impedance adjusting member is disposed on the second die and is electrically coupled to the circuit layer. Each of the conductive probes passes through the upper die unit, the spacer, and the lower die unit. At least one of the conductive probes includes an upper contacting segment protruding from the upper die unit and an extending arm connected to the upper contacting segment. The extending arm is abutted against the circuit layer by passing through the penetrating hole.
    Type: Application
    Filed: May 6, 2019
    Publication date: May 21, 2020
    Inventors: WEN-TSUNG LEE, KAI-CHIEH HSIEH, CHAO-HUI TSENG, HSIEN-YU WANG
  • Publication number: 20100173561
    Abstract: The present invention is to provide a crystal ball with dynamic audio and video (AV) effects, which is mainly composed of a crystal ball body and a base. The said crystal ball body has a transparent curtain cover with a bottom opening set inside it, and the base has a set of circuitry device with audio and video function set inside it. A display screen is set on top and can be set inside the transparent curtain cover. There are several operation and control buttons and audio source receiving and playing holes set on the base surface, and furthermore set with a memory card slot and a terminal seat that are capable of providing an insertion for the memory card or utilizing the terminal seat to insert the conduction wires then connect with the computer to proceed the load-in of images or pictures through these.
    Type: Application
    Filed: January 7, 2009
    Publication date: July 8, 2010
    Inventor: Chao-Hui Tseng
  • Patent number: 6555592
    Abstract: A photothermosetting composition is described which contains a base resin (A), a photopolymerizable photomonomer or photooligomer (B), a photoinitiator (C), an epoxide compound containing at least two epoxy groups (D), and an organic solvent. The base resin (A) an epoxide compound (a) containing at least two epoxy groups, an unsaturated monobasic acid (b), a saturated or unsaturated dibasic acid (c), and a saturated or unsaturated acid anhydride (d) according to the ratio of (a)/(b)/(c) of 1:0.90˜0.95:0.025˜0.050 and the acid value of the base resin is in the range of 40˜49 mg KOH/g. This photothermosetting component was coating on the substrate, and then dried by baking, exposed by light, developed, irradiated by ultraviolet light or heated, and cured to form a solder mask.
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: April 29, 2003
    Assignee: Advance Materials Corporation
    Inventors: Chao-Hui Tseng, Fu-Lung Chen