Patents by Inventor Hsien-Wen Hsu
Hsien-Wen Hsu 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: 11024603Abstract: A manufacturing method is applied to set a stackable chip package. The manufacturing method includes encapsulating a plurality of chips stacked with each other, disposing a lateral surface of the stacked chips having conductive elements onto a substrate, disassembling the substrate from the conductive elements when the stacked chips are encapsulated, and disposing a dielectric layer with openings on the stacked chips to align the openings with the conductive elements for ball mounting process.Type: GrantFiled: April 17, 2019Date of Patent: June 1, 2021Assignee: POWERTECH TECHNOLOGY INC.Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Chi-An Wang, Hsien-Wen Hsu
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Stacked package structure with encapsulation and redistribution layer and fabricating method thereof
Patent number: 10892250Abstract: A stacked package structure has a metal casing, a stacked chipset, an encapsulation and a redistribution layer. The stacked chipset is adhered in the metal casing. The encapsulation is formed in the metal casing to encapsulate the stacked chip set, but a plurality of surfaces of the metal pads are exposed through the encapsulation. The redistribution layer is further formed on the encapsulation and electrically connects to the metal pads of the stacked chipset. Therefore, the stacked package structure includes the metal casing, so an efficiency of heat dissipation and structural strength are increased.Type: GrantFiled: December 21, 2018Date of Patent: January 12, 2021Assignee: Powertech Technology Inc.Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Hsien-Wen Hsu -
Publication number: 20200203313Abstract: A stacked package structure has a metal casing, a stacked chipset, an encapsulation and a redistribution layer. The stacked chipset is adhered in the metal casing. The encapsulation is formed in the metal casing to encapsulate the stacked chip set, but a plurality of surfaces of the metal pads are exposed through the encapsulation. The redistribution layer is further formed on the encapsulation and electrically connects to the metal pads of the stacked chipset. Therefore, the stacked package structure includes the metal casing, so an efficiency of heat dissipation and structural strength are increased.Type: ApplicationFiled: December 21, 2018Publication date: June 25, 2020Applicant: Powertech Technology Inc.Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Hsien-Wen Hsu
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Publication number: 20200144907Abstract: An electronically commuted (EC) motor includes an electromagnetic interference (EMI) filter circuit, a bridge circuit, an alternating current (AC) voltage to square wave circuit, a microcontroller, a motor coil, and a power circuit. The EMI filter circuit is for filtering out electromagnetic interference of an alternating current (AC) voltage received from a live line and a neutral line to generate a filtered AC voltage. The bridge circuit is for converting the filtered AC voltage to a first direct current (DC) voltage. The waveform converter circuit is for generating a pair of signals according to a voltage on the neutral line and a signal on the signal line. The microcontroller is for generating a control signal according to the pair of signals. The power circuit is for providing power to the motor coil according to the first DC voltage and the control signal.Type: ApplicationFiled: October 16, 2019Publication date: May 7, 2020Inventors: Chorng-Wei Liaw, Hsien-Wen Hsu, Ying-Chieh Lin
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Publication number: 20190252325Abstract: A chip package structure including a first circuit structure, a chip, an electronic device, a first encapsulant, a second encapsulant, a plurality of through pillars, and an electromagnetic interference (EMI) shielding layer is provided. The chip has an active surface facing the first circuit structure. The electronic device has a connection surface facing the first circuit structure. The chip and the electronic device are disposed on opposite sides of the first circuit structure respectively. The first encapsulant encapsulates the chip. The second encapsulant encapsulates the electronic device. The through pillars penetrate the first encapsulant and are electrically connected to the first circuit structure. The EMI shielding layer covers the first encapsulant and the second encapsulant. The chip or the electronic device is grounded by the EMI shielding layer.Type: ApplicationFiled: July 16, 2018Publication date: August 15, 2019Applicant: Powertech Technology Inc.Inventors: Yu-Wei Chen, Hsuan-Chih Chang, Yuan-Fu Lan, Hsien-Wen Hsu
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Publication number: 20190244934Abstract: A manufacturing method is applied to set a stackable chip package. The manufacturing method includes encapsulating a plurality of chips stacked with each other, disposing a lateral surface of the stacked chips having conductive elements onto a substrate, disassembling the substrate from the conductive elements when the stacked chips are encapsulated, and disposing a dielectric layer with openings on the stacked chips to align the openings with the conductive elements for ball mounting process.Type: ApplicationFiled: April 17, 2019Publication date: August 8, 2019Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Chi-An Wang, Hsien-Wen Hsu
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Patent number: 10354978Abstract: A stacked package has plurality of chip packages stacked on active surfaces of each other, a dielectric layer, a redistribution layer and a plurality of external terminals. Each chip package has an exterior conductive element formed on the active surface. Each exterior conductive element has a cut edge exposed on at least one of the lateral side of the chip package. The dielectric layer, the redistribution layer and the external terminals are formed in sequence on the lateral side with the exposed cut edges to form the electrical connection between the cut edges, the redistribution layer and the external terminals. Therefore, the process for forming the electrical connections is simplified to enhance the reliability and the UPH for manufacturing the stacked package.Type: GrantFiled: January 10, 2018Date of Patent: July 16, 2019Assignee: POWERTECH TECHNOLOGY INC.Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Chi-An Wang, Hsien-Wen Hsu
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Publication number: 20190214367Abstract: A stacked package has plurality of chip packages stacked on a base. Each chip package has an exterior conductive element formed on the active surface. Each exterior conductive element has a cut edge exposed on a lateral side of the chip package. The lateral trace is formed through the encapsulant and electrically connects to the cut edges of the chip packages. The base has an interconnect structure to form the electrical connection between the lateral trace and the external terminals. Therefore, the process for forming the electrical connections is simplified to enhance the reliability and the UPH for manufacturing the stacked package.Type: ApplicationFiled: January 10, 2018Publication date: July 11, 2019Applicant: Powertech Technology Inc.Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Chi-An Wang, Hsien-Wen Hsu, Li-Chih Fang
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Publication number: 20190214366Abstract: A stacked package has plurality of chip packages stacked on active surfaces of each other, a dielectric layer, a redistribution layer and a plurality of external terminals. Each chip package has an exterior conductive element formed on the active surface. Each exterior conductive element has a cut edge exposed on at least one of the lateral side of the chip package. The dielectric layer, the redistribution layer and the external terminals are formed in sequence on the lateral side with the exposed cut edges to form the electrical connection between the cut edges, the redistribution layer and the external terminals. Therefore, the process for forming the electrical connections is simplified to enhance the reliability and the UPH for manufacturing the stacked package.Type: ApplicationFiled: January 10, 2018Publication date: July 11, 2019Applicant: Powertech Technology Inc.Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Chi-An Wang, Hsien-Wen Hsu
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Patent number: 10224254Abstract: A package structure may include a one-piece metal carrier, a die, a mold layer and a redistribution layer. The one-piece metal carrier may include a bottom portion and a first supporting structure, and the one-piece metal carrier may have a recess defined by the bottom portion and the first supporting structure. The die may be disposed in the recess of the one-piece metal carrier, and the die may have a plurality of conductive bumps. The mold layer may be formed to encapsulate the die. The mold layer may expose a portion of each of the plurality of conductive bumps and a portion of the first supporting structure. The redistribution layer may be disposed on the mold layer and electrically connected to the plurality of conductive bumps.Type: GrantFiled: April 26, 2017Date of Patent: March 5, 2019Assignee: POWERTECH TECHNOLOGY INC.Inventors: Ming-Chih Chen, Hsien-Wen Hsu, Yuan-Fu Lan, Hung-Hsin Hsu
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Publication number: 20180315674Abstract: A package structure may include a one-piece metal carrier, a die, a mold layer and a redistribution layer. The one-piece metal carrier may include a bottom portion and a first supporting structure, and the one-piece metal carrier may have a recess defined by the bottom portion and the first supporting structure. The die may be disposed in the recess of the one-piece metal carrier, and the die may have a plurality of conductive bumps. The mold layer may be formed to encapsulate the die. The mold layer may expose a portion of each of the plurality of conductive bumps and a portion of the first supporting structure. The redistribution layer may be disposed on the mold layer and electrically connected to the plurality of conductive bumps.Type: ApplicationFiled: April 26, 2017Publication date: November 1, 2018Inventors: Ming-Chih Chen, Hsien-Wen Hsu, Yuan-Fu Lan, Hung-Hsin Hsu
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Publication number: 20180114782Abstract: A manufacturing method of a package-on package structure including at least the following steps is provided. A die is bonded on a first circuit carrier. A spacer is disposed on the die. The spacer and the first circuit carrier are connected through a plurality of conductive wires. An encapsulant is formed to encapsulate the die, the spacer and the conductive wires. A thickness of the encapsulant is reduced until at least a portion of each of the conductive wires is removed to form a first package structure. A second package structure is stacked on the first package structure. The second package structure is electrically connected to the conductive wires.Type: ApplicationFiled: September 28, 2017Publication date: April 26, 2018Applicant: Powertech Technology Inc.Inventors: Chi-An Wang, Hung-Hsin Hsu, Yuan-Fu Lan, Hsien-Wen Hsu
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Patent number: 9659884Abstract: A carrier substrate includes an insulation encapsulation, first conductive patterns, second conductive patterns, at least one first dummy pattern, and at least one second dummy pattern. The carrier substrate has a first layout region and a second layout region. The first conductive patterns and the first dummy pattern are located in the first layout region. The second conductive patterns and the second dummy pattern are located in the second layout region. The first and second conductive patterns and the first and second dummy patterns are embedded in the insulation encapsulation. The insulation encapsulation exposes top surfaces of the first and second conductive patterns and the first and second dummy patterns. The first dummy pattern and the second dummy pattern are insulated from the first conductive patterns and the second conductive patterns. An edge profile of the first dummy pattern facing the second dummy pattern is non-linear.Type: GrantFiled: October 20, 2016Date of Patent: May 23, 2017Assignee: Powertech Technology Inc.Inventors: Yuan-Fu Lan, Hsien-Wen Hsu
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Publication number: 20170047295Abstract: A carrier substrate includes an insulation encapsulation, first conductive patterns, second conductive patterns, at least one first dummy pattern, and at least one second dummy pattern. The carrier substrate has a first layout region and a second layout region. The first conductive patterns and the first dummy pattern are located in the first layout region. The second conductive patterns and the second dummy pattern are located in the second layout region. The first and second conductive patterns and the first and second dummy patterns are embedded in the insulation encapsulation. The insulation encapsulation exposes top surfaces of the first and second conductive patterns and the first and second dummy patterns. The first dummy pattern and the second dummy pattern are insulated from the first conductive patterns and the second conductive patterns. An edge profile of the first dummy pattern facing the second dummy pattern is non-linear.Type: ApplicationFiled: October 20, 2016Publication date: February 16, 2017Applicant: Powertech Technology Inc.Inventors: Yuan-Fu Lan, Hsien-Wen Hsu
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Publication number: 20170047277Abstract: Provided is a semiconductor structure including a first die and a second die. The first die has a first conductive structure embedded in a dielectric layer. The second die has a second conductive structure embedded in the dielectric layer. A first interface is provided between the first conductive structure and the dielectric layer. A second interface is provided between the second conductive structure and the dielectric layer. A shape of the dielectric layer between the first interface and the second interface is a non-linear shape.Type: ApplicationFiled: April 12, 2016Publication date: February 16, 2017Inventors: Yuan-Fu Lan, Hsien-Wen Hsu
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Patent number: 8308596Abstract: A transmission mechanism with intermittent output movement includes an output shaft rotatably mounted to first and second cams and a sun gear mounted to the output shaft. A first rocker includes a first planet gear meshed with the sun gear and first and second rollers rotatably mounted on opposite sides of the first planet gear and respectively in contact with the first and second cams. A second rocker includes a second planet gear meshed with the sun gear. An end of a first connecting rod is mounted to the first rocker. An end of a second connecting rod is mounted to the second rocker. Two ends of a link are rotatably mounted to the other ends of the first and second connecting rods. A planet gear carrier is mounted to an input shaft coaxial to the input shaft and includes an end rotatably mounted to the first rocker.Type: GrantFiled: October 27, 2009Date of Patent: November 13, 2012Assignee: National Sun Yat-Sen UniversityInventors: Der-Min Tsay, Hsin-Pao Chen, Hsien-Wen Hsu, Chih-Wei Huang
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Patent number: 8310190Abstract: An apparatus and a method for detecting a lock error in a sensorless motor are disclosed, where the apparatus includes a multiplexer, a negative booster, a comparator and a timer. The multiplexer can receive a coil voltage from the sensorless motor. The negative booster can receive a neutralizing voltage from the sensorless motor and drop the neutralizing voltage. The comparator can compare the coil voltage with the dropped neutralizing voltage for outputting a zero-crossing signal. The timer can count time duration during the zero-crossing signal maintained at the a logic level and determine the lock error in the sensorless motor when the time duration exceeds a predetermined period.Type: GrantFiled: July 26, 2010Date of Patent: November 13, 2012Assignee: inergy Technology Inc.Inventor: Hsien-Wen Hsu
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Patent number: 8269444Abstract: A system and a method for controlling a sensorless motor are disclosed, where the system includes a motor driver and a zero-crossing detector. The motor driver can drive the sensorless motor. The zero-crossing detector can detect a zero-crossing point when the voltage of one motor coil of the sensorless motor is in a blanking period.Type: GrantFiled: April 6, 2010Date of Patent: September 18, 2012Assignee: inergy Technology Inc.Inventors: Chien-Chung Tseng, Hsien-Wen Hsu, Chien-Jen Hsieh
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Patent number: 8188700Abstract: An apparatus and a method for driving a sensorless motor are described and shown in the specification and drawings, where the method includes steps as follows. First, a control signal is acquired, where the control signal has information of a predetermined rotational speed. Next, energy is supplied and progressively increased to the sensorless motor, so as to rotate a rotor of the sensorless motor. Then, a position of the rotor is detected. Finally, the energy is gradually regulated so that the sensorless motor is maintained at the predetermined rotational speed.Type: GrantFiled: September 16, 2009Date of Patent: May 29, 2012Assignee: inergy Technology Inc.Inventors: Chien-Chung Tseng, Hsien-Wen Hsu, Chien-Jen Hsieh
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Publication number: 20110241588Abstract: A system and a method for controlling a sensorless motor are disclosed, where the system includes a motor driver and a zero crossing detector. The motor driver can drive the sensorless motor. The zero crossing detector can detect a zero-crossing point when the voltage of one motor coil of the sensorless motor is in a blanking period.Type: ApplicationFiled: April 6, 2010Publication date: October 6, 2011Applicant: inergy Technology Inc.Inventors: Chien-Chung TSENG, Hsien-Wen HSU, Chien-Jen HSIEH