Patents by Inventor Ho Yeh Chen
Ho Yeh Chen 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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Publication number: 20230400480Abstract: The present disclosure provides a probe device, a probe system including the probe device and an operating thereof. The operating method includes: approaching the probe device to a reference region; stopping the probe device when a first pin of a sensing module of the probe device touches the reference region; rotating the probe device and approaching the probe device to the reference region; and stopping the probe device when both the first pin and a second pin of the sensing module of the probe device touch the reference region.Type: ApplicationFiled: May 31, 2023Publication date: December 14, 2023Inventors: CHOON LEONG LOU, HO-YEH CHEN, HSIAO-HUI HSIEH, DAI-CHUN CHEN
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Patent number: 11047880Abstract: A probing device includes a chuck configured to support a device under test (DUT), and includes a probe card disposed above the chuck. The probe card includes an inlet configured to convey a gas into the probe card, and an outlet configured to blow the gas at a predetermined temperature from the probe card toward the chuck. A method includes providing a chuck, a DUT disposed on the chuck and a probe card disposed above the DUT, and blowing a gas at a predetermined temperature from the probe card toward the DUT.Type: GrantFiled: July 16, 2019Date of Patent: June 29, 2021Assignee: STAR TECHNOLOGIES, INC.Inventors: Choon Leong Lou, Ho Yeh Chen
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Publication number: 20200225266Abstract: A probing device includes a chuck configured to support a device under test (DUT), and includes a probe card disposed above the chuck. The probe card includes an inlet configured to convey a gas into the probe card, and an outlet configured to blow the gas at a predetermined temperature from the probe card toward the chuck. A method includes providing a chuck, a DUT disposed on the chuck and a probe card disposed above the DUT, and blowing a gas at a predetermined temperature from the probe card toward the DUT.Type: ApplicationFiled: July 16, 2019Publication date: July 16, 2020Inventors: CHOON LEONG LOU, HO YEH CHEN
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Patent number: 10184957Abstract: The present disclosure provides a testing apparatus, a holding assembly and a probe card carrier. In some embodiments of the present disclosure, the testing apparatus includes a basic circuit board having a first surface and a second surface; a holding assembly disposed on the first surface; a signal transfer assembly disposed on the second surface and electrically connected to the basic circuit board; and a probe card carrier configured to carry a probe card. In some embodiments of the present disclosure, when the probe card carrier is assembled to the holding assembly, the probe card is electrically connected to the signal transfer assembly.Type: GrantFiled: September 1, 2016Date of Patent: January 22, 2019Assignee: STAR TECHNOLOGIES, INC.Inventors: Choon Leong Lou, Ho Yeh Chen, Li Min Wang, Hsiao Ting Tseng
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Patent number: 10088502Abstract: A test assembly adapted to test a semiconductor device is provided. The test assembly includes a main circuit board, a space transformer, an intermediary supporting element, an adhesive element, a plurality of electrical connection elements and a plurality of test probes. The space transformer is disposed on the main circuit board and has a first surface and a second surface opposite to the first surface. The first surface faces the main circuit board. The intermediary supporting element is disposed between the main circuit board and the first surface. The adhesive element is disposed between the intermediary supporting element and the first surface. The space transformer is attached to the intermediary supporting element through the adhesive element. The electrical connection elements are disposed between the main circuit board and the first surface.Type: GrantFiled: February 23, 2016Date of Patent: October 2, 2018Assignee: STAR TECHNOLOGIES, INC.Inventors: Ho Yeh Chen, Choon Leong Lou
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Publication number: 20170370966Abstract: The present disclosure provides a testing apparatus, a holding assembly and a probe card carrier. In some embodiments of the present disclosure, the testing apparatus includes a basic circuit board having a first surface and a second surface; a holding assembly disposed on the first surface; a signal transfer assembly disposed on the second surface and electrically connected to the basic circuit board; and a probe card carrier configured to carry a probe card. In some embodiments of the present disclosure, when the probe card carrier is assembled to the holding assembly, the probe card is electrically connected to the signal transfer assembly.Type: ApplicationFiled: September 1, 2016Publication date: December 28, 2017Inventors: CHOON LEONG LOU, HO YEH CHEN, LI MIN WANG, HSIAO TING TSENG
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Patent number: 9739830Abstract: A test assembly adapted to test a semiconductor device is provided. The test assembly includes a main circuit board, an intermediate dielectric board, an intermediate circuit board, a plurality of intermediate conductive elements and a plurality of test probes. The main circuit board includes a surface and a plurality of pads disposed on the surface. The intermediate dielectric board is detachably disposed on the surface of the main circuit board and includes a plurality of through holes. The intermediate circuit board is disposed on the intermediated dielectric board and includes a plurality of first pads, a plurality of second pads, a first surface and a second surface opposite to the first surface. The intermediate conductive elements are disposed in the through holes, respectively. Each of the intermediate conductive elements electrically connects one of the pads of the main circuit board and one of the first pads of the intermediate circuit board.Type: GrantFiled: May 12, 2014Date of Patent: August 22, 2017Assignee: STAr TECHNOLOGIES, INC.Inventors: Choon Leong Lou, Hsiao Ting Tseng, Ho Yeh Chen, Li Min Wang
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Patent number: 9535114Abstract: A testing device comprises a first probe member, a second probe member, and an insulation member. The first probe member comprises a tip portion for contacting a device being tested. The second probe member also comprises a tip portion for contacting the device being tested. The insulation member is located at or can be moved to a location between the tip portions of the first and second probe members.Type: GrantFiled: November 27, 2013Date of Patent: January 3, 2017Assignee: STAR TECHNOLOGIES, INC.Inventors: Choon Leong Lou, Ho Yeh Chen, Hsiao Ting Tseng
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Publication number: 20160252548Abstract: A test assembly adapted to test a semiconductor device is provided. The test assembly includes a main circuit board, a space transformer, an intermediary supporting element, an adhesive element, a plurality of electrical connection elements and a plurality of test probes. The space transformer is disposed on the main circuit board and has a first surface and a second surface opposite to the first surface. The first surface faces the main circuit board. The intermediary supporting element is disposed between the main circuit board and the first surface. The adhesive element is disposed between the intermediary supporting element and the first surface. The space transformer is attached to the intermediary supporting element through the adhesive element. The electrical connection elements are disposed between the main circuit board and the first surface.Type: ApplicationFiled: February 23, 2016Publication date: September 1, 2016Inventors: Ho Yeh CHEN, Choon Leong LOU
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Patent number: 9329205Abstract: A high precision semiconductor probing system includes a probe head, a circuit board positioned above the probe head, and an optical microscope, wherein the probe head has a plurality of vertical probes and at least one cantilever probe having a vertical body positioned therein. The cantilever probe is disposed close to an edge of the probe head and extends laterally out from the probe head, in order to facilitate the visual alignment viewing from top of the probing apparatus. The optical microscope is positioned on top of the probing apparatus and is configured to have a line of sight directed to the tip of the cantilever probe.Type: GrantFiled: March 20, 2012Date of Patent: May 3, 2016Assignee: STAR TECHNOLOGIES INC.Inventors: Choon Leong Lou, Ho Yeh Chen, Hsiao Ting Tseng
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Publication number: 20150109016Abstract: A test probe card adapted for testing a plurality of chips of a wafer is provided. The test probe card includes a substrate, a plurality of light-guiding elements, a plurality of lens units and a plurality of probes. The substrate has a plurality of through holes. Each of the through holes has a light entrance opening and a light exit opening. The light-guiding elements are disposed at the through holes, respectively. The lens units are disposed at the light exit openings, respectively. One end of each of the probes is electrically connected to the substrate and another end of each of the probes is adapted for electrically contacting one of the image sensing chips. Light emitted from a light source passes through one of the light-guiding elements and the lens element corresponding thereto in order and then is projected to one of the image sensing chips.Type: ApplicationFiled: October 17, 2014Publication date: April 23, 2015Inventors: Choon Leong LOU, Ho Yeh CHEN
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Publication number: 20140340108Abstract: A test assembly adapted to test a semiconductor device is provided. The test assembly includes a main circuit board, a space transformer, a plurality of electrical connection elements, an intermediary stiffener, and a plurality of test probes. The space transformer is disposed on the main circuit board and has a first surface and a second surface opposite to the first surface. The first surface of the space transformer faces the main circuit board. The electrical connection elements are disposed between the main circuit board and the first surface of the space transformer. The space transformer is electrically connected to the main circuit board through the electrical connection elements. The intermediary stiffener is disposed between the main circuit and the first surface of the space transformer. The intermediary stiffener has a plurality of accommodating through holes. Each of the electrical connection elements is disposed in one of the accommodating through holes.Type: ApplicationFiled: May 12, 2014Publication date: November 20, 2014Applicant: STAr TECHNOLOGIES, INC.Inventors: Choon Leong LOU, Ho Yeh CHEN, Li Min WANG
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Publication number: 20140340105Abstract: A test assembly adapted to test a semiconductor device is provided. The test assembly includes a main circuit board, an intermediate dielectric board, an intermediate circuit board, a plurality of intermediate conductive elements and a plurality of test probes. The main circuit board includes a surface and a plurality of pads disposed on the surface. The intermediate dielectric board is detachably disposed on the surface of the main circuit board and includes a plurality of through holes. The intermediate circuit board is disposed on the intermediated dielectric board and includes a plurality of first pads, a plurality of second pads, a first surface and a second surface opposite to the first surface. The intermediate conductive elements are disposed in the through holes, respectively. Each of the intermediate conductive elements electrically connects one of the pads of the main circuit board and one of the first pads of the intermediate circuit board.Type: ApplicationFiled: May 12, 2014Publication date: November 20, 2014Applicant: STAr TECHNOLOGIES, INC.Inventors: Choon Leong LOU, Hsiao Ting TSENG, Ho Yeh CHEN, Li Min WANG
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Publication number: 20140145740Abstract: A testing device comprises a first probe member, a second probe member, and an insulation member. The first probe member comprises a tip portion for contacting a device being tested. The second probe member also comprises a tip portion for contacting the device being tested. The insulation member is located at or can be moved to a location between the tip portions of the first and second probe members.Type: ApplicationFiled: November 27, 2013Publication date: May 29, 2014Applicant: STAR TECHNOLOGIES, INC.Inventors: CHOON LEONG LOU, HO YEH CHEN, HSIAO TING TSENG
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Publication number: 20130249584Abstract: A high precision semiconductor probing system includes a probe head, a circuit board positioned above the probe head, and an optical microscope, wherein the probe head has a plurality of vertical probes and at least one cantilever probe having a vertical body positioned therein. The cantilever probe is disposed close to an edge of the probe head and extends laterally out from the probe head, in order to facilitate the visual alignment viewing from top of the probing apparatus. The optical microscope is positioned on top of the probing apparatus and is configured to have a line of sight directed to the tip of the cantilever probe.Type: ApplicationFiled: March 20, 2012Publication date: September 26, 2013Applicant: STAR TECHNOLOGIES INC.Inventors: CHOON LEONG LOU, HO YEH CHEN, HSIAO TING TSENG
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Patent number: 8389926Abstract: A sensing module for light-emitting devices includes a circuit board having at least one retaining region configured to retain an optical sensor, at least one circuit configured to electrically connect the optical sensor to an output interface at a front end of the circuit board, a substrate positioned on the circuit board and having at least one aperture exposing the retaining regions, and an optical device positioned on the aperture and configured to collect emitting lights from a light-emitting device to the retaining region through the aperture.Type: GrantFiled: August 16, 2010Date of Patent: March 5, 2013Assignee: Star Technologies Inc.Inventors: Choon Leong Lou, Li Min Wang, Yi Ming Lau, Ho Yeh Chen
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Publication number: 20110063608Abstract: A sensing module for light-emitting devices includes a substrate having at least one first hole and at least one second hole connected to the first hole, an optical device positioned in the first hole and configured to collect emitting lights from the light-emitting device to the first hole, a light-guiding device positioned in the second hole, a reflector positioned in the first hole and configured to reflect the emitting lights from the light-emitting device to the light-guiding device, and an optical coupler positioned at a front end of the substrate and coupled with the light-guiding device.Type: ApplicationFiled: August 16, 2010Publication date: March 17, 2011Applicant: STAR TECHNOLOGIES INC.Inventors: Choon Leong Lou, Li Min Wang, Yi Ming Lau, Ho Yeh Chen
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Publication number: 20110062317Abstract: A sensing module for light-emitting devices includes a circuit board having at least one retaining region configured to retain a optical sensor, at least one circuit configured to electrically connect the optical sensor to an output interface at a front end of the circuit board, a substrate positioned on the circuit board and having at least one aperture exposing the retaining regions, and an optical device positioned on the aperture and configured to collect emitting lights from a light-emitting device to the retaining region through the aperture.Type: ApplicationFiled: August 16, 2010Publication date: March 17, 2011Applicant: STAR TECHNOLOGIES INC.Inventors: Choon Leong Lou, Li Min Wang, Yi Ming Lau, Ho Yeh Chen
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Patent number: 7675307Abstract: A heating apparatus for semiconductor devices comprises an oven including a front wall having a plurality of front openings and a back wall having a plurality of back openings each with isolating self-closing doors, a carrier module configured to load semiconductor devices into the oven through the front opening in a removable manner, a temperature-controlling module configured to control the temperature of the oven, and a test module positioned at a backside of the oven and configured to generate, receive or switch electrical test signals for the semiconductor devices in the oven.Type: GrantFiled: March 18, 2008Date of Patent: March 9, 2010Assignee: Star Technologies Inc.Inventors: Choon Leong Lou, Li Min Wang, Yi Ming Lau, Ho Yeh Chen
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Publication number: 20090237102Abstract: A heating apparatus for semiconductor devices comprises an oven including a front wall having a plurality of front openings and a back wall having a plurality of back openings each with isolating self-closing doors, a carrier module configured to load semiconductor devices into the oven through the front opening in a removable manner, a temperature-controlling module configured to control the temperature of the oven, and a test module positioned at a backside of the oven and configured to generate, receive or switch electrical test signals for the semiconductor devices in the oven.Type: ApplicationFiled: March 18, 2008Publication date: September 24, 2009Applicant: Star Technologies Inc.Inventors: Choon Leong Lou, Li Min Wang, Yi Ming Lau, Ho Yeh Chen