Patents by Inventor Mill-Jer Wang
Mill-Jer Wang 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: 11631621Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a semiconductor substrate and a first magnetic element and a second magnetic element over the semiconductor substrate. The semiconductor device structure also includes a first conductive line extending exceeding an edge of the first magnetic element. The semiconductor device structure further includes a second conductive line extending exceeding an edge of the second magnetic element. The second conductive line is electrically connected to the first conductive line.Type: GrantFiled: May 24, 2021Date of Patent: April 18, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Mill-Jer Wang, Tang-Jung Chiu, Chi-Chang Lai, Chia-Heng Tsai, Mirng-Ji Lii, Weii Liao
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Publication number: 20230065443Abstract: A probe head structure is provided. The probe head structure includes a flexible substrate having a top surface and a bottom surface. The probe head structure includes a first probe pillar passing through the flexible substrate. The first probe pillar has a first protruding portion protruding from the bottom surface. The probe head structure includes a redistribution structure on the top surface of the flexible substrate and the first probe pillar. The redistribution structure is in direct contact with the flexible substrate and the first probe pillar. The redistribution structure includes a dielectric structure and a wiring structure in the dielectric structure. The wiring structure is electrically connected to the first probe pillar. The probe head structure includes a wiring substrate over the redistribution structure. The probe head structure includes a first conductive bump connected between the wiring substrate and the redistribution structure.Type: ApplicationFiled: August 30, 2021Publication date: March 2, 2023Inventors: Wen-Yi LIN, Hao CHEN, Chuan-Hsiang SUN, Mill-Jer WANG, Chien-Chen LI, Chen-Shien CHEN
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Patent number: 11585846Abstract: A testing module for a semiconductor wafer-form package includes a circuit board structure, first connectors, a first connecting structure, second connectors, third connectors and a first bridge connector. The circuit board structure includes two edge regions and a main region located therebetween. The first connectors are located over the edge regions and connected to the circuit board structure. The first connecting structure is located over and distant from the circuit board structure. The second connectors and third connectors are located over and connected to the first connecting structure, where the third connectors are configured to transmit electric signals for testing the semiconductor wafer-form package being placed over the main region. The first bridge connector is electrically coupling the circuit board structure and the first connecting structure by connecting the second connectors and the first connectors.Type: GrantFiled: March 2, 2020Date of Patent: February 21, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hao Chen, Mill-Jer Wang
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Patent number: 11585831Abstract: A testing probe structure for wafer level testing semiconductor IC packaged devices under test (DUT). The structure includes a substrate, through substrate vias, a bump array formed on a first surface of the substrate for engaging a probe card, and at least one probing unit on a second surface of the substrate. The probing unit includes a conductive probe pad formed on one surface of the substrate and at least one microbump interconnected to the pad. The pads are electrically coupled to the bump array through the vias. Some embodiments include a plurality of microbumps associated with the pad which are configured to engage a mating array of microbumps on the DUT. In some embodiments, the DUT may be probed by applying test signals from a probe card through the bump and microbump arrays without direct probing of the DUT microbumps.Type: GrantFiled: August 18, 2020Date of Patent: February 21, 2023Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Mill-Jer Wang, Ching-Fang Chen, Sandeep Kumar Goel, Chung-Sheng Yuan, Chao-Yang Yeh, Chin-Chou Liu, Yun-Han Lee, Hung-Chih Lin
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Patent number: 11579190Abstract: A testing holder for a chip unit, a multi site holding frame for plural chip units and a method for testing a die thereof are provided. The proposed multi site holding frame for testing plural chip units simultaneously includes a first holder frame having a plurality of testing holders. Each of the plurality of testing holders includes a holder body containing a specific one of the plural chip units, and a pressure releasing device formed on the holder body to release an insertion pressure when the specific one of the plural chip units is inserted in the holder body.Type: GrantFiled: May 23, 2022Date of Patent: February 14, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Mill-Jer Wang, Kuo-Chuan Liu, Ching-Nen Peng, Hung-Chih Lin, Hao Chen
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Publication number: 20220381817Abstract: A testing module for a semiconductor wafer-form package includes a circuit board structure, first connectors, a first connecting structure, second connectors, third connectors and a first bridge connector. The circuit board structure includes two edge regions and a main region located therebetween. The first connectors are located over the edge regions and connected to the circuit board structure. The first connecting structure is located over and distant from the circuit board structure. The second connectors and third connectors are located over and connected to the first connecting structure, where the third connectors are configured to transmit electric signals for testing the semiconductor wafer-form package being placed over the main region. The first bridge connector is electrically coupling the circuit board structure and the first connecting structure by connecting the second connectors and the first connectors.Type: ApplicationFiled: August 9, 2022Publication date: December 1, 2022Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hao Chen, Mill-Jer Wang
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Publication number: 20220357389Abstract: A method that is disclosed that includes the operations outlined below. Dies are arranged on a test fixture, and each of the dies includes first antennas and at least one via array, wherein the at least one via array is formed between at least two of the first antennas to separate the first antennas. By the first antennas of the dies, test processes are sequentially performed on an under-test device including second antennas that positionally correspond to the first antennas, according to signal transmissions between the first antennas and the second antennas.Type: ApplicationFiled: July 27, 2022Publication date: November 10, 2022Inventors: Mill-Jer WANG, Ching-Nen Peng, Hung-Chih Lin, Sen-Kuei Hsu, Chuan-Ching Wang, Hao Chen
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Patent number: 11467203Abstract: A method that is disclosed that includes the operations outlined below. Dies are arranged on a test fixture, and each of the dies includes first antennas and at least one via array, wherein the at least one via array is formed between at least two of the first antennas to separate the first antennas. By the first antennas of the dies, test processes are sequentially performed on an under-test device including second antennas that positionally correspond to the first antennas, according to signal transmissions between the first antennas and the second antennas.Type: GrantFiled: July 27, 2020Date of Patent: October 11, 2022Inventors: Mill-Jer Wang, Ching-Nen Peng, Hung-Chih Lin, Sen-Kuei Hsu, Chuan-Ching Wang, Hao Chen
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Publication number: 20220283221Abstract: A testing holder for a chip unit, a multi site holding frame for plural chip units and a method for testing a die thereof are provided. The proposed multi site holding frame for testing plural chip units simultaneously includes a first holder frame having a plurality of testing holders. Each of the plurality of testing holders includes a holder body containing a specific one of the plural chip units, and a pressure releasing device formed on the holder body to release an insertion pressure when the specific one of the plural chip units is inserted in the holder body.Type: ApplicationFiled: May 23, 2022Publication date: September 8, 2022Inventors: Mill-Jer WANG, Kuo-Chuan LIU, Ching-Nen PENG, Hung-Chih LIN, Hao CHEN
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Publication number: 20220271024Abstract: A method of manufacturing a semiconductor structure forming a redistribution layer (RDL); forming a conductive pad over the RDL; performing a first electrical test through the conductive pad; bonding a first die over the RDL by a connector; disposing a first underfill material to surround the connector; performing a second electrical test through the conductive pad; disposing a second die over the first die and the conductive pad; and disposing a second underfill material to surround the second die, wherein the conductive pad is at least partially in contact with the second underfill material, and is protruded from the RDL during the first electrical test and the second electrical test.Type: ApplicationFiled: May 13, 2022Publication date: August 25, 2022Inventors: HSIANG-TAI LU, SHUO-MAO CHEN, MILL-JER WANG, FENG-CHENG HSU, CHAO-HSIANG YANG, SHIN-PUU JENG, CHENG-YI HONG, CHIH-HSIEN LIN, DAI-JANG CHEN, CHEN-HUA LIN
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Patent number: 11340291Abstract: A testing holder for a chip unit, a multi site holding frame for plural chip units and a method for testing a die thereof are provided. The proposed multi site holding frame for testing plural chip units simultaneously includes a first holder frame having a plurality of testing holders. Each of the plurality of testing holders includes a holder body containing a specific one of the plural chip units, and a pressure releasing device formed on the holder body to release an insertion pressure when the specific one of the plural chip units is inserted in the holder body.Type: GrantFiled: June 25, 2020Date of Patent: May 24, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Mill-Jer Wang, Kuo-Chuan Liu, Ching-Nen Peng, Hung-Chih Lin, Hao Chen
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Patent number: 11335672Abstract: A method of manufacturing a semiconductor structure forming a redistribution layer (RDL); forming a conductive pad over the RDL; performing a first electrical test through the conductive pad; bonding a first die over the RDL by a connector; disposing a first underfill material to surround the connector; performing a second electrical test through the conductive pad; disposing a second die over the first die and the conductive pad; and disposing a second underfill material to surround the second die, wherein the conductive pad is at least partially in contact with the second underfill material, and is protruded from the RDL during the first electrical test and the second electrical test.Type: GrantFiled: July 23, 2020Date of Patent: May 17, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Hsiang-Tai Lu, Shuo-Mao Chen, Mill-Jer Wang, Feng-Cheng Hsu, Chao-Hsiang Yang, Shin-Puu Jeng, Cheng-Yi Hong, Chih-Hsien Lin, Dai-Jang Chen, Chen-Hua Lin
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Patent number: 11293974Abstract: A testing system includes a load board that includes a first circuit board, a first external connector attached to the first circuit board, and a thermal module configured to hold a system-on-wafer structure including a connector and a socket, a connector structure including a second circuit board, wherein the second circuit board is electrically connected to the first external connector, and a second external connector configured to connect to the connector of the system-on-wafer structure, and a test structure configured to connect to the socket of the system-on-wafer structure, the test structure including a third circuit board and pins, wherein adjacent pairs of pins of the test structure are electrically coupled through the third circuit board to form a continuous conductive path extending alternately between the system-on-wafer structure and the adjacent pairs of pins of the test structure.Type: GrantFiled: May 6, 2020Date of Patent: April 5, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hao Chen, Mill-Jer Wang
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Patent number: 11249112Abstract: A testing apparatus with reduced warping of the probe card and a method of reducing warping of a probe card of a testing apparatus are disclosed. The testing apparatus can include a testing head and a platform opposite the testing head, where the testing head and platform move relative to one another to bring a sample into contact with probing tips of the testing apparatus. The testing head can include a probe card printed circuit board, a stiffener, a discontinuous backer and a plurality of probing tips. The stiffener can be coupled to and reinforcing the probe card. The discontinuous backer can extend from the probe card to the stiffener, and can include at least one unfilled void extending from the stiffener to the probe card. The plurality of probing tips can extend from a distal end of the testing head.Type: GrantFiled: July 20, 2020Date of Patent: February 15, 2022Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Mill-Jer Wang, Ching-Nen Peng, Hung-Chih Lin, Wei-Hsun Lin, Sen-Kuei Hsu, De-Jian Liu
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Patent number: 11231453Abstract: Among other things, one or more techniques or systems for evaluating a tiered semiconductor structure, such as a stacked CMOS structure, for misalignment are provided. In an embodiment, a connectivity test is performed on vias between a first layer and a second layer to determine a via diameter and a via offset that are used to evaluate misalignment. In an embodiment, a connectivity test for vias within a first layer is performed to determine an alignment rotation based upon which vias are connected through a conductive arc within a second layer or which vias are connected to a conductive pattern out of a set of conductive patterns. In this way, the via diameter, the via offset, or the alignment rotation are used to evaluate the tiered semiconductor structure, such as during a stacked CMOS process, for misalignment.Type: GrantFiled: May 4, 2020Date of Patent: January 25, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITEDInventors: Mill-Jer Wang, Ching-Nen Peng, Hung-Chih Lin, Hao Chen, Mincent Lee
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Patent number: 11229109Abstract: The present disclosure provides a system and method for providing electrostatic discharge protection. A probe card assembly is provided which is electrically connected to a plurality of input/output channels. The probe card assembly can be contacted with a secondary assembly having an interposer electrically connected to one or more wafers each wafer having a device under test. Voltage can be forced on ones of the plural input/output channels of the probe card assembly to slowly dissipate charges resident on the wafer to thereby provide electrostatic discharge protection. A socket assembly adaptable to accept a 3DIC package is also provided, the assembly having a loadboard assembly electrically connected to a plurality of input/output channels. Once the 3DIC package is placed within the socket assembly, voltage is forced on ones of the input/output channels to slowly dissipate charges resident on the 3DIC package to thereby provide electrostatic discharge protection.Type: GrantFiled: April 17, 2020Date of Patent: January 18, 2022Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Mill-Jer Wang, Ching-Nen Peng, Hung-Chih Lin, Hao Cheng
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Publication number: 20210405102Abstract: A testing device for testing an antenna is provided. The testing device includes a housing, an antenna module, and a receiving module. The antenna module is used for holding the antenna and disposed on the housing, wherein the antenna is coupled to an antenna testing apparatus. The receiving module is disposed on the housing and includes a coupling radiation element physically separated from the antenna, wherein the receiving module is configured to receive an excited signal emitted from the antenna.Type: ApplicationFiled: June 29, 2020Publication date: December 30, 2021Inventors: Chi-Chang LAI, Kai-Yi TANG, Mill-Jer WANG
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Patent number: 11199578Abstract: A testing apparatus for testing an integrated circuit package having a plurality of electrical terminals includes a base, a socket, a plurality of conductive pins and a plurality of conductive pillars. The base includes a plurality of electrical contacts. The socket is disposed on the base and includes a bended portion bended away from the base and a plurality of through holes distributed in the socket. The conductive pins are disposed in the through holes respectively and electrically connected to the electrical contacts, wherein each of the conductive pins protrudes from an upper surface of the socket for forming temporary electrical connections with one of the electrical terminals. The conductive pillars are disposed on the base and connected to the bended portion, wherein each of the conductive pillars electrically connects one of the conductive pins and one of the electrical contacts.Type: GrantFiled: April 27, 2020Date of Patent: December 14, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tang-Jung Chiu, Hung-Chih Lin, Mill-Jer Wang
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Patent number: 11199576Abstract: A probe head and methods of testing a device using a probe head are provided. The probe head includes a first end connected to a first substrate. The first substrate is configured to be connected to a test head. The probe head also includes second end having a first inner recess surrounded by a first protrusion and a first plurality of probe needles connected to the first protrusion.Type: GrantFiled: April 22, 2019Date of Patent: December 14, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ming-Cheng Hsu, Mill-Jer Wang
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Publication number: 20210280477Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a semiconductor substrate and a first magnetic element and a second magnetic element over the semiconductor substrate. The semiconductor device structure also includes a first conductive line extending exceeding an edge of the first magnetic element. The semiconductor device structure further includes a second conductive line extending exceeding an edge of the second magnetic element. The second conductive line is electrically connected to the first conductive line.Type: ApplicationFiled: May 24, 2021Publication date: September 9, 2021Inventors: Mill-Jer WANG, Tang-Jung CHIU, Chi-Chang LAI, Chia-Heng TSAI, Mirng-Ji LII, Weii LIAO