Patents by Inventor Chia-Tai Chang
Chia-Tai 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: 11921947Abstract: A touch function setting method is provided. The method comprising: receiving a sequence parameter which includes multiple clicks, each of the clicks is corresponding to one of areas of a touch panel or screen; receiving a function parameter corresponding to the sequence parameter, the function parameter is corresponding to activate a function; and storing a group of touch function parameters, which includes the sequence parameter and the function parameter.Type: GrantFiled: February 18, 2022Date of Patent: March 5, 2024Assignee: EGALAX_EMPIA TECHNOLOGY INC.Inventors: Chin-Fu Chang, Shang-Tai Yeh, Chia-Ling Sun, Jia-Ming Chen
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Publication number: 20240074027Abstract: A capacitor capable of releasing reactive oxygen species and reactive nitrogen species after powering of claim 1 is composed of the dielectric material. A plurality of through holes are designed on the capacitor, the through holes being used as air gaps to supply plasma gas and blow a fan to increase the gas flow, and the voltage being connected to the two corresponding electrode edges of the capacitor so that the capacitor generating a heating temperature (lower than 200 degrees Celsius). Thereby, after the capacitor is perforated to form honeycomb shape and powered, the air surrounding the capacitor flowing through the capacitor is ionized to the oxygen ion and nitrogen ion via heating and charge-discharge, generates plasma at room temperature and atmospheric pressure and releases the reactive oxygen ions and reactive nitrogen ions healing and helpful for body healing.Type: ApplicationFiled: August 23, 2022Publication date: February 29, 2024Inventors: Chung-Tai Chang, Chia-Hao Chang, Ting-Yi Chang
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Publication number: 20220113334Abstract: The present invention provides a probe card comprising a probe base, at least one impedance-matching probes, and a plurality of first probes. The probe base has a probing side and a tester side opposite to the probing side. Each impedance-matching probe has a probing part and a signal transmitting part electrically coupled to the probing part, wherein one end of the signal transmitting part is arranged at tester side, and the signal transmitting part has a central probing axis. Each first probe has a probing tip and a cantilever part coupled to the probing tip, wherein the cantilever part is coupled to the probe base and has a first central axis such that an included angle is formed between the central probing axis and the first central axis.Type: ApplicationFiled: October 13, 2021Publication date: April 14, 2022Inventors: Chin-Yi Tsai, Chia-Tai Chang, Cheng-Nien Su, Chin-Tien Yang, Chen-Chih Yu
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Patent number: 9903888Abstract: A probe card for contacting an LED chip of flip-chip type includes a circuit board, two probes and a fixing seat. The circuit board has a mounting surface and a lateral edge. Each probe has a connecting portion mounted on the circuit board, an extending portion extending from the connecting portion, a cantilever portion connected with the extending portion and protruding out of the lateral edge, and a contacting portion extending from the cantilever portion. The fixing seat is mounted on the mounting surface of the circuit board and has a fixing surface. A part of the extending portion is located between the circuit board and the fixing seat. A test equipment for testing optical characteristics of an LED chip of flip-chip type is provided with the probe card.Type: GrantFiled: August 13, 2015Date of Patent: February 27, 2018Assignee: MPI CORPORATIONInventors: Chia-Tai Chang, Hsiu-Wei Lin, Hung-Yi Lin
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Patent number: 9535093Abstract: A high frequency probe card for probing a photoelectric device includes a substrate having a first opening and at least one first through hole, an interposing plate disposed on the substrate and having a second opening and at least one second through hole, a circuit board disposed on the interposing plate and having a third opening and at least one third through hole, and a probe module mounted to the substrate and having at least one ground probe and at least one high-frequency impedance matching probe having a signal transmitting structure and a grounding structure passing through the at least one first, second and third through holes and being electrically connected with a signal pad and a ground pad of the circuit board, respectively. The first, second and third openings are communicated with each other for light transmission.Type: GrantFiled: July 23, 2014Date of Patent: January 3, 2017Assignee: MPI CORPORATIONInventors: Chia-Tai Chang, Hui-Pin Yang
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Patent number: 9519010Abstract: An integrated high-speed probe system is provided. The integrated high-speed probe system includes a circuit substrate for transmitting low-frequency testing signals from a tester through a first probe of the probe assembly to a DUT, and a high-speed substrate for transmitting high-frequency testing signals from the tester to the DUT. The high-speed substrate extends from the upper surface of the circuit substrate in the testing area to the lower surface of the circuit substrate in the probe area for being adjacent to the probe assembly and electrically connecting the second probe. In this way, the tester can transmit testing signals of different frequencies through the integrated high-speed probe system.Type: GrantFiled: October 3, 2014Date of Patent: December 13, 2016Assignee: MPI CORPORATIONInventors: Chun-Chi Wang, Chia-Tai Chang, Ya-Yun Cheng, Wei-Cheng Ku, Chao-Ping Hsieh
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Patent number: 9354253Abstract: A probe module includes a substrate having a through hole, and at least four probe-needle rows arranged on the substrate. The probe-needle rows are arranged from a first side to a second side along a first direction. Each of the probe-needle rows has at least two needles arranged along a second direction. Each of the needles has a contact segment and an arm segment having an included angle with the contact segment. An end of the arm segment is connected to the substrate, and the other end of which extends toward the through hole to connect the contact segment. The lengths of the contact segments of the needles of each of the probe-needle rows are the same. The included angles of the needles of the probe-needle rows along the first direction are gradually increased from the first side to the second side.Type: GrantFiled: September 17, 2013Date of Patent: May 31, 2016Assignee: MPI CorporationInventor: Chia-Tai Chang
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Publication number: 20160047843Abstract: A probe card for contacting an LED chip of flip-chip type includes a circuit board, two probes and a fixing seat. The circuit board has a mounting surface and a lateral edge. Each probe has a connecting portion mounted on the circuit board, an extending portion extending from the connecting portion, a cantilever portion connected with the extending portion and protruding out of the lateral edge, and a contacting portion extending from the cantilever portion. The fixing seat is mounted on the mounting surface of the circuit board and has a fixing surface. A part of the extending portion is located between the circuit board and the fixing seat. A test equipment for testing optical characteristics of an LED chip of flip-chip type is provided with the probe card.Type: ApplicationFiled: August 13, 2015Publication date: February 18, 2016Inventors: Chia-Tai CHANG, Hsiu-Wei LIN, Hung-Yi LIN
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Patent number: 9244018Abstract: A probe holding structure includes a substrate and a plurality of holding modules. The substrate has an opening and a plurality of grooves arranged around a periphery of the opening. The holding modules are connected with the grooves, respectively. Each holding modules includes a fixing member and a plurality of probes. The fixing member is connected with a corresponding groove. The probes are connected with the fixing member and pass through the corresponding groove. The probe holding structure is combined with a lens adjusting mechanism having a lens to form an optical inspection device for testing electric characteristics of chips.Type: GrantFiled: July 12, 2013Date of Patent: January 26, 2016Assignee: MPI CorporationInventors: Chia-Tai Chang, Chin-Yi Tsai, Chiu-Kuei Chen, Chen-Chih Yu, Chien-Chang Lai, Chin-Tien Yang, Hui-Pin Yang, Keng-Shieng Chang, Yun-Ru Huang
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Patent number: 9201098Abstract: A high frequency probe card includes at least one substrate having at least one first opening, an interposing plate disposed on the at least one substrate and having at least one second opening corresponding to the at least one first opening, a circuit board disposed on the interposing plate and having a third opening corresponding to the at least one first and second openings, and at least one probe module including at least one ground probe and at least one high frequency signal probe passing through the corresponding substrate, the interposing plate and the third opening and being electrically connected with the circuit board. Each high frequency signal probe includes a signal probe and a first conductor corresponding to the signal probe and being electrically connected with the ground probe. An insulation layer is disposed between the first conductor and the signal probe.Type: GrantFiled: July 12, 2013Date of Patent: December 1, 2015Assignee: MPI CORPORATIONInventors: Chia-Tai Chang, Chin-Yi Tsai, Chiu-Kuei Chen, Chen-Chih Yu, Chien-Chang Lai, Chin-Tien Yang, Hui-Pin Yang, Keng-Shieng Chang, Yun-Ru Huang
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Publication number: 20150028911Abstract: A high frequency probe card for probing a photoelectric device includes a substrate having a first opening and at least one first through hole, an interposing plate disposed on the substrate and having a second opening and at least one second through hole, a circuit board disposed on the interposing plate and having a third opening and at least one third through hole, and a probe module mounted to the substrate and having at least one ground probe and at least one high-frequency impedance matching probe having a signal transmitting structure and a grounding structure passing through the at least one first, second and third through holes and being electrically connected with a signal pad and a ground pad of the circuit board, respectively. The first, second and third openings are communicated with each other for light transmission.Type: ApplicationFiled: July 23, 2014Publication date: January 29, 2015Inventors: Chia-Tai CHANG, Hui-Pin YANG
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Publication number: 20150022227Abstract: An integrated high-speed probe system is provided. The integrated high-speed probe system includes a circuit substrate for transmitting low-frequency testing signals from a tester through a first probe of the probe assembly to a DUT, and a high-speed substrate for transmitting high-frequency testing signals from the tester to the DUT. The high-speed substrate extends from the upper surface of the circuit substrate in the testing area to the lower surface of the circuit substrate in the probe area for being adjacent to the probe assembly and electrically connecting the second probe. In this way, the tester can transmit testing signals of different frequencies through the integrated high-speed probe system.Type: ApplicationFiled: October 3, 2014Publication date: January 22, 2015Inventors: Chun-Chi WANG, Chia-Tai CHANG, Ya-Yun CHENG, Wei-Cheng KU, Chao-Ping HSIEH
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Patent number: 8884640Abstract: An integrated high-speed probe system is provided. The integrated high-speed probe system includes a circuit substrate for transmitting low-frequency testing signals from a tester through a first probe of the probe assembly to a DUT, and a high-speed substrate for transmitting high-frequency testing signals from the tester to the DUT. The high-speed substrate extends from the upper surface of the circuit substrate in the testing area to the lower surface of the circuit substrate in the probe area for being adjacent to the probe assembly and electrically connecting the second probe. In this way, the tester can transmit testing signals of different frequencies through the integrated high-speed probe system.Type: GrantFiled: April 18, 2012Date of Patent: November 11, 2014Assignee: MPI CorporationInventors: Chun-Chi Wang, Chia-Tai Chang, Ya-Yun Cheng, Wei-Cheng Ku, Chao-Ping Hsieh
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Publication number: 20140203834Abstract: A probe module includes a substrate having a through hole, and at least four probe-needle rows arranged on the substrate. The probe-needle rows are arranged from a first side to a second side along a first direction. Each of the probe-needle rows has at least two needles arranged along a second direction. Each of the needles has a contact segment and an arm segment having an included angle with the contact segment. An end of the arm segment is connected to the substrate, and the other end of which extends toward the through hole to connect the contact segment. The lengths of the contact segments of the needles of each of the probe-needle rows are the same. The included angles of the needles of the probe-needle rows along the first direction are gradually increased from the first side to the second side.Type: ApplicationFiled: September 17, 2013Publication date: July 24, 2014Applicant: MPI CorporationInventor: Chia-Tai CHANG
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Publication number: 20140016124Abstract: An optical inspection device includes a circuit board having at least one first opening, a mounting plate disposed on a top or bottom surface of the circuit board and having at least one second opening corresponding to the at least one first opening respectively, at least one lens holder received in the at least one second opening, and at least one probe module disposed on a bottom surface of the mounting plate or the bottom surface of the circuit board, corresponding to the at least one lens holder respectively, and having probes electrically connected with the circuit board. Each lens holder has an accommodation for accommodating a lens, and is operatable to do a position adjusting motion in the corresponding second opening.Type: ApplicationFiled: July 12, 2013Publication date: January 16, 2014Inventors: Chia-Tai CHANG, Chin-Yi TSAI, Chiu-Kuei CHEN, Chen-Chih YU, Chien-Chang LAI, Chin-Tien YANG, Hui-Pin YANG, Keng-Shieng CHANG, Yun-Ru HUANG, Chien-Hung CHEN
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Publication number: 20140015561Abstract: A high frequency probe card includes at least one substrate having at least one first opening, an interposing plate disposed on the at least one substrate and having at least one second opening corresponding to the at least one first opening, a circuit board disposed on the interposing plate and having a third opening corresponding to the at least one first and second openings, and at least one probe module including at least one N-type ground probe and at least one high frequency signal probe passing through the corresponding substrate, the interposing plate and the third opening and being electrically connected with the circuit board. Each high frequency signal probe includes an N-type signal probe and a first conductor corresponding to the N-type signal probe and being electrically connected with the N-type ground probe. An insulation layer is disposed between the first conductor and the N-type signal probe.Type: ApplicationFiled: July 12, 2013Publication date: January 16, 2014Inventors: Chia-Tai CHANG, Chin-Yi TSAI, Chiu-Kuei CHEN, Chen-Chih YU, Chien-Chang LAI, Chin-Tien YANG, Hui-Pin YANG, Keng-Shieng CHANG, Yun-Ru HUANG
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Publication number: 20140016123Abstract: A probe holding structure includes a substrate and a plurality of holding modules. The substrate has an opening and a plurality of grooves arranged around a periphery of the opening. The holding modules are connected with the grooves, respectively. Each holding modules includes a fixing member and a plurality of probes. The fixing member is connected with a corresponding groove. The probes are connected with the fixing member and pass through the corresponding groove. The probe holding structure is combined with a lens adjusting mechanism having a lens to form an optical inspection device for testing electric characteristics of chips.Type: ApplicationFiled: July 12, 2013Publication date: January 16, 2014Inventors: Chia-Tai CHANG, Chin-Yi TSAI, Chiu-Kuei CHEN, Chen-Chih YU, Chien-Chang LAI, Chin-Tien YANG, Hui-Pin YANG, Keng-Shieng CHANG, Yun-Ru HUANG
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Publication number: 20120274347Abstract: An integrated high-speed probe system is provided. The integrated high-speed probe system includes a circuit substrate for transmitting low-frequency testing signals from a tester through a first probe of the probe assembly to a DUT, and a high-speed substrate for transmitting high-frequency testing signals from the tester to the DUT. The high-speed substrate extends from the upper surface of the circuit substrate in the testing area to the lower surface of the circuit substrate in the probe area for being adjacent to the probe assembly and electrically connecting the second probe. In this way, the tester can transmit testing signals of different frequencies through the integrated high-speed probe system.Type: ApplicationFiled: April 18, 2012Publication date: November 1, 2012Inventors: Chun-Chi Wang, Chia-Tai Chang, Ya-Yun Cheng, Wei-Cheng Ku, Chao-Ping Hsieh
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Patent number: 8106673Abstract: A probe for high frequency signal transmission includes a metal pin, and a metal line spacedly arranged on and electrically insulated from the metal pin and electrically connected to grounding potential so as to maintain the characteristic impedance of the probe upon transmitting high frequency signal. The maximum diameter of the probe is substantially equal to or smaller than two times of the diameter of the metal pin. Under this circumstance, a big amount of probes can be installed in a probe card for probing a big amount of electronic devices, so that a wafer-level electronic test can be achieved efficiently and rapidly.Type: GrantFiled: May 26, 2010Date of Patent: January 31, 2012Assignee: MPI CorporationInventors: Wei-Cheng Ku, Chih-Hao Ho, Chia-Tai Chang, Ho-Hui Lin, Chien-Ho Lin
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Patent number: 7953984Abstract: A computer-implemented method detecting malware that includes providing a malware detection application and providing a search engine, the search engine being configured to receive data and commands from the malware detection application and to return data pertaining to search results to the malware detection application. The method also includes sending at least one of scan options and at least one malware-suggestive pattern from the malware detection application to the search engine. The method additionally includes searching, using the search engine and the at least one of scan options and the at least one malware-suggestive pattern, to obtain data pertaining to scan targets. The method also includes sending the data pertaining to the scan targets from the search engine to the malware detection application. The method further includes performing malware detection, using the malware detection application and the data pertaining to the scan targets, on the scan targets.Type: GrantFiled: June 29, 2006Date of Patent: May 31, 2011Assignee: Trend Micro IncorporatedInventors: Chang-Wei Chung, Yu-Cheng Hsu, Chia-Tai Chang