Patents by Inventor CHIH-HAO CHU

CHIH-HAO CHU 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: 10438843
    Abstract: A structure of semiconductor device includes a substrate. A first dielectric layer is disposed over the substrate, wherein the first dielectric layer has an air trench. A plurality of trench metal layers is disposed in the first dielectric layer, wherein the air trench is between adjacent two of the trench metal layers and without contacting to the trench metal layers. A liner layer is disposed on the first dielectric layer to cover the trench metal layers and a profile of the air trench. An etching stop layer is disposed on the liner layer, wherein the etching stop layer seals the air trench to form an air gap between the adjacent two of the trench metal layers.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: October 8, 2019
    Assignee: United Microelectronics Corp.
    Inventors: Tzu-Hao Fu, Ci-Dong Chu, Tsung-Yin Hsieh, Chih-Sheng Chang
  • Patent number: 10340435
    Abstract: A thermoelectric conversion device includes at least one thermoelectric conversion unit. The thermoelectric conversion unit includes at least one first electrode, at least one second electrode, a P-type thermoelectric material, and an N-type thermoelectric material. The first electrode includes a first fluid channel, such that the first electrode has a first hollow structure. The second electrode includes a second fluid channel, such that the second electrode has a second hollow structure. The P-type thermoelectric material is located between the first electrode and the second electrode, and the second electrode is located between the P-type thermoelectric material and the N-type thermoelectric material.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: July 2, 2019
    Assignee: Industrial Technology Research Institute
    Inventors: Hsu-Shen Chu, Cheng-Cho Wong, Chih-Hao Chang
  • Publication number: 20190156260
    Abstract: A method of data update, for determining a material qualification status of at least one supplier according to a plurality of smelters of a material used by the at least one supplier, the method comprising obtaining a qualified smelter list of the material from a predetermined website; and comparing the qualified smelter list of the material with a material list of the at least one supplier corresponding to the material to determine the material qualification status of the at least one supplier, so as to perform a violation warning operation; wherein the material list of each supplier of the material list of the at least one supplier denotes the plurality of smelters of the material used by the at least one supplier in system codes; wherein the qualified smelter list denotes a plurality of qualified smelters of the material in international codes.
    Type: Application
    Filed: January 3, 2018
    Publication date: May 23, 2019
    Inventors: Yu-Zhen Huang, Chun-Kang Wang, Hsiao-Fan Chu, Chih-Cheng Chen, Jia-Hao Chen, Min-Hsiang Yang
  • Patent number: 9498894
    Abstract: A cutting device includes a bottom plate, a platform located on the bottom plate for holding a workpiece, a first support plate connected to the support plate and located above the bottom plate, a first telescopic cylinder having a first piston, a blade connected to the first piston, a first medium providing device configured to provide medium, a first switch including a gateway A1 connected to a first lower cavity of the first telescopic cylinder, a gateway B1 opened to the outside, a gateway P1 connected to the first medium providing device, a first sensor including a gateway A2 opened to the outside, a gateway B2 communicating with a first upper cavity of the first telescopic cylinder, and a gateway P2 connected to the gateway B1.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: November 22, 2016
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Chih-Hao Chu
  • Patent number: 9205535
    Abstract: A vacuum device includes a vacuum generator, a guiding pipe, a connection member, and a stand. One end of the guiding pipe is connected to the vacuum generator. One end of the connection member is connected to the other end of the guiding pipe. The other end of the connection member is connected to the stand. The stand includes a top surface, a first sidewall connected to the top surface, and a pressing portion extending outward from the first sidewall. The connection member is supported by the top surface. The stand defines a first hole and a second hole communicating with the first hole. The first hole runs through the top surface and meets the connection member and the guiding pipe. The second hole runs through the first sidewall and the pressing portion.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: December 8, 2015
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Chih-Hao Chu
  • Patent number: 9182315
    Abstract: Lens module testing device for testing a lens module includes a testing platform, a light source, a testing board, a sensing element, a processor, a driving element, and a position feedback unit. The light source, the testing board, and the sensing element are arranged in order on the testing platform along an optical axis of the lens module. The lens module is positioned between the testing board and the sensing element. The light source emits testing light to the testing board, and the sensing element senses an image of the testing board and sends the image to the processor. The processor determines whether the testing board is in a focal plane of the lens module, controls the driving element to adjust a position of the testing board relative to the lens module, and obtains position information from the position feedback unit to generate a focal length of the lens module.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: November 10, 2015
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Chih-Hao Chu
  • Patent number: 9156177
    Abstract: A device includes a bearing assembly, a supporting assembly, a cutting assembly, a rotation pole, and a transmitting assembly. The supporting assembly includes a driving pole rotatably supported on the bearing assembly and a pair of guiding rails positioned on the bearing assembly. The cutting assembly screws on the driving pole and is slidably supported on the guiding rails. The cutting assembly includes a cutter protruding from the top plate. The rotation pole is rotatably positioned on the bearing assembly and is configured for supporting a lens module. The transmitting assembly drives the rotation pole and the driving pole to rotate. The driving pole drives the cutting assembly to move and the rotation pole to rotate, the cutter cuts the lens module during moving along the driving pole.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: October 13, 2015
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Chih-Hao Chu
  • Patent number: 9066074
    Abstract: A camera module testing device for detecting light leakage in relation to a camera module includes a base, a first fixing plate, a second fixing plate, a movable element, a stepping motor, a sliding table, a support mechanism, a board and a power supply module, and a processing unit. The movable element includes a first movable plate, a second movable plate, and a third movable plate. The support mechanism and the camera module are driven to rotate to various predetermined angles. The stepping motor drives movable element, the support mechanism and the camera module to swing a predetermined number times for each predetermined angle. The lens captures an image each time. The processing unit compares an image captured each time with a predetermined image and analyze if there is a problem of light leakage for the camera module.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: June 23, 2015
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Chih-Hao Chu
  • Patent number: 8982487
    Abstract: A lens assembling device is configured to assemble lenses into a lens barrel. The lens assembling device includes a hollow external barrel, a hollow internal barrel, and a pushing element. The external barrel includes a first hollow chamber and a second hollow chamber coaxial with the first hollow chamber. The first hollow chamber is configured to partly receive the lens barrel. The internal barrel is connected to the push element and is received in the second hollow chamber, and is configured to receive a lens. The pushing element is configured to push the lens from the internal barrel into the lens barrel.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: March 17, 2015
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Chih-Hao Chu
  • Patent number: 8979055
    Abstract: A tripod head includes a shell, an adjusting member, a supporting member, and a locking member. The shell defines a receiving space and an adjusting opening communicating with the receiving space. The adjusting member includes a spherical adjusting portion and a connecting portion connected to the adjusting portion. The adjusting portion is received in the receiving space, and the connecting portion passes out of the shell through the adjusting opening. The adjusting portion adjusts a position and angle of the connecting portion relative to the shell by rotating in the receiving space. The supporting member supports the adjusting portion in the receiving space. The locking member locks the adjusting portion between the supporting member and the shell.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: March 17, 2015
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Chih-Hao Chu
  • Publication number: 20140320851
    Abstract: Lens module testing device for testing a lens module includes a testing platform, a light source, a testing board, a sensing element, a processor, a driving element, and a position feedback unit. The light source, the testing board, and the sensing element are arranged in order on the testing platform along an optical axis of the lens module. The lens module is positioned between the testing board and the sensing element. The light source emits testing light to the testing board, and the sensing element senses an image of the testing board and sends the image to the processor. The processor determines whether the testing board is in a focal plane of the lens module, controls the driving element to adjust a position of the testing board relative to the lens module, and obtains position information from the position feedback unit to generate a focal length of the lens module.
    Type: Application
    Filed: April 17, 2014
    Publication date: October 30, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIH-HAO CHU
  • Publication number: 20140318337
    Abstract: A lens cutting device for cutting lenses of a molded lens member from supporting scraps includes a supporting portion, a sliding portion slidably connected to the supporting portion, a separating portion positioned on the sliding portion for keeping the molded lens member thereon, and a cutting portion positioned above the separating portion for cutting the lenses from the scrap. The supporting portion includes a bottom plate defining a first opening and a second opening arranged along a first linear direction. The sliding portion drives the separating portion to move along the first linear direction to selectively align the separating portion with the first opening or with the second opening.
    Type: Application
    Filed: April 18, 2014
    Publication date: October 30, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIH-HAO CHU
  • Publication number: 20140319396
    Abstract: A valve includes a main body, an actuating member, and at least one resilient member. The main body defining includes a sliding hole and comprising a first connecting hole, a second connecting hole and a third connecting hole. The first connecting hole and the second connecting hole communicate with the sliding hole. The actuating member includes a sliding rod interferentially fit and slidable received in the sliding hole between a first position and a second position. The sliding rod defines a first hole, a second hole, and a third hole communicating with the second hole.
    Type: Application
    Filed: December 19, 2013
    Publication date: October 30, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIH-HAO CHU
  • Publication number: 20140311313
    Abstract: A device includes a bearing assembly, a supporting assembly, a cutting assembly, a rotation pole, and a transmitting assembly. The supporting assembly includes a driving pole rotatably supported on the bearing assembly and a pair of guiding rails positioned on the bearing assembly. The cutting assembly screws on the driving pole and is slidably supported on the guiding rails. The cutting assembly includes a cutter protruding from the top plate. The rotation pole is rotatably positioned on the bearing assembly and is configured for supporting a lens module. The transmitting assembly drives the rotation pole and the driving pole to rotate. The driving pole drives the cutting assembly to move and the rotation pole to rotate, the cutter cuts the lens module during moving along the driving pole.
    Type: Application
    Filed: August 21, 2013
    Publication date: October 23, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIH-HAO CHU
  • Publication number: 20140307342
    Abstract: A lens assembling device is configured to assemble lenses into a lens barrel. The lens assembling device includes a hollow external barrel, a hollow internal barrel, and a pushing element. The external barrel includes a first hollow chamber and a second hollow chamber coaxial with the first hollow chamber. The first hollow chamber is configured to partly receive the lens barrel. The internal barrel is connected to the push element and is received in the second hollow chamber, and is configured to receive a lens. The pushing element is configured to push the lens from the internal barrel into the lens barrel.
    Type: Application
    Filed: October 24, 2013
    Publication date: October 16, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIH-HAO CHU
  • Patent number: 8858209
    Abstract: A positioning device is configured for positioning a runner system, and includes a retainer, a number of flanges, and a number of bearing assemblies. The retainer includes a supporting surface. The flanges extend substantially perpendicularly upward from the supporting surface. The flanges cooperatively define a cavity for receiving the runner system. The bearing assemblies are configured for inserting through the flanges to tightly abut against the runner system in the cavity.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: October 14, 2014
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Chih-Hao Chu
  • Publication number: 20140260656
    Abstract: A destructive testing device includes an upper mold, a lower mold, a pressure gauge, and a lifting module. The lower mold is opposite to the upper mold. The pressure gauge is connected to the upper mold, and is configured for recording a pressure applied on the upper mold. The lifting module is connected to the lower mold, and is configured for moving the lower mold toward the upper mold.
    Type: Application
    Filed: September 2, 2013
    Publication date: September 18, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIH-HAO CHU
  • Publication number: 20140263917
    Abstract: A vacuum-holding device includes a nozzle body and a vacuum generating device. The nozzle body defines a first air channel. In the vacuum generating device, a piston head received within the first air channel, a piston ring is sleeved on the piston head and making an air-tight seal between the piston head and the nozzle body, a piston rod connecting the piston head with an operation board, a guiding device for guiding the piston head along with the piston rod to move along a depth direction of the first air channel, and an actuation device is included in the vacuum generating device for quickly pulling the piston head along with the piston ring out of the first air channel after the piston head along with the piston ring is pushed in the first air channel by operating the operation board.
    Type: Application
    Filed: February 27, 2014
    Publication date: September 18, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIH-HAO CHU
  • Publication number: 20140239570
    Abstract: An optical lens clamping apparatus for clamping an optical lens is provided. The clamping apparatus includes a base, a clamping portion positioned on the base, and an engaging block. The clamping portion includes two clamping arms rotatably connected to the base. Each clamping portion includes a clamping section and an adjusting section connected to the clamping section. The adjusting section and the clamping section form an obtuse angle therebetween. The clamping sections of the clamping arms are positioned substantially parallel to each other and are spaced a predetermined distance from each other. The adjusting sections of the clamping arms form a predetermined angle therebetween. The engaging block moves relative to the clamping portion to adjust an angle between the adjusting sections, so that the clamping sections clamp or release the optical lens.
    Type: Application
    Filed: September 10, 2013
    Publication date: August 28, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIH-HAO CHU
  • Publication number: 20140230622
    Abstract: A cutting device includes a bearing seat, a positioning seat, and a guiding element. The bearing seat includes a first seat and a second seat connected to the first seat. The first seat includes a top surface and a connecting surface. The first seat has a height greater than a height of the second seat. The connecting surface connects to the second seat. The first seat defines a guiding hole on the top surface and a cutting hole on the connecting surface. The cutting hole communicates with the guiding hole. The positioning seat is positioned on the second seat and defines a receiving recess for receiving a lens. The guiding element is movably received in the guiding hole and defines a notch in a cylindrical surface thereof.
    Type: Application
    Filed: August 15, 2013
    Publication date: August 21, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHIH-HAO CHU