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).

  • Patent number: 11024603
    Abstract: 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: Grant
    Filed: April 17, 2019
    Date of Patent: June 1, 2021
    Assignee: POWERTECH TECHNOLOGY INC.
    Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Chi-An Wang, Hsien-Wen Hsu
  • Patent number: 10892250
    Abstract: 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: Grant
    Filed: December 21, 2018
    Date of Patent: January 12, 2021
    Assignee: Powertech Technology Inc.
    Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Hsien-Wen Hsu
  • Publication number: 20200203313
    Abstract: 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: Application
    Filed: December 21, 2018
    Publication date: June 25, 2020
    Applicant: Powertech Technology Inc.
    Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Hsien-Wen Hsu
  • Publication number: 20200144907
    Abstract: 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: Application
    Filed: October 16, 2019
    Publication date: May 7, 2020
    Inventors: Chorng-Wei Liaw, Hsien-Wen Hsu, Ying-Chieh Lin
  • Publication number: 20190252325
    Abstract: 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: Application
    Filed: July 16, 2018
    Publication date: August 15, 2019
    Applicant: Powertech Technology Inc.
    Inventors: Yu-Wei Chen, Hsuan-Chih Chang, Yuan-Fu Lan, Hsien-Wen Hsu
  • Publication number: 20190244934
    Abstract: 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: Application
    Filed: April 17, 2019
    Publication date: August 8, 2019
    Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Chi-An Wang, Hsien-Wen Hsu
  • Patent number: 10354978
    Abstract: 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: Grant
    Filed: January 10, 2018
    Date of Patent: July 16, 2019
    Assignee: POWERTECH TECHNOLOGY INC.
    Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Chi-An Wang, Hsien-Wen Hsu
  • Publication number: 20190214367
    Abstract: 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: Application
    Filed: January 10, 2018
    Publication date: July 11, 2019
    Applicant: Powertech Technology Inc.
    Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Chi-An Wang, Hsien-Wen Hsu, Li-Chih Fang
  • Publication number: 20190214366
    Abstract: 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: Application
    Filed: January 10, 2018
    Publication date: July 11, 2019
    Applicant: Powertech Technology Inc.
    Inventors: Ming-Chih Chen, Hung-Hsin Hsu, Yuan-Fu Lan, Chi-An Wang, Hsien-Wen Hsu
  • Patent number: 10224254
    Abstract: 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: Grant
    Filed: April 26, 2017
    Date of Patent: March 5, 2019
    Assignee: POWERTECH TECHNOLOGY INC.
    Inventors: Ming-Chih Chen, Hsien-Wen Hsu, Yuan-Fu Lan, Hung-Hsin Hsu
  • Publication number: 20180315674
    Abstract: 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: Application
    Filed: April 26, 2017
    Publication date: November 1, 2018
    Inventors: Ming-Chih Chen, Hsien-Wen Hsu, Yuan-Fu Lan, Hung-Hsin Hsu
  • Publication number: 20180114782
    Abstract: 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: Application
    Filed: September 28, 2017
    Publication date: April 26, 2018
    Applicant: Powertech Technology Inc.
    Inventors: Chi-An Wang, Hung-Hsin Hsu, Yuan-Fu Lan, Hsien-Wen Hsu
  • Patent number: 9659884
    Abstract: 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: Grant
    Filed: October 20, 2016
    Date of Patent: May 23, 2017
    Assignee: Powertech Technology Inc.
    Inventors: Yuan-Fu Lan, Hsien-Wen Hsu
  • Publication number: 20170047277
    Abstract: 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: Application
    Filed: April 12, 2016
    Publication date: February 16, 2017
    Inventors: Yuan-Fu Lan, Hsien-Wen Hsu
  • Publication number: 20170047295
    Abstract: 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: Application
    Filed: October 20, 2016
    Publication date: February 16, 2017
    Applicant: Powertech Technology Inc.
    Inventors: Yuan-Fu Lan, Hsien-Wen Hsu
  • Patent number: 8310190
    Abstract: 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: Grant
    Filed: July 26, 2010
    Date of Patent: November 13, 2012
    Assignee: inergy Technology Inc.
    Inventor: Hsien-Wen Hsu
  • Patent number: 8308596
    Abstract: 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: Grant
    Filed: October 27, 2009
    Date of Patent: November 13, 2012
    Assignee: National Sun Yat-Sen University
    Inventors: Der-Min Tsay, Hsin-Pao Chen, Hsien-Wen Hsu, Chih-Wei Huang
  • Patent number: 8269444
    Abstract: 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: Grant
    Filed: April 6, 2010
    Date of Patent: September 18, 2012
    Assignee: inergy Technology Inc.
    Inventors: Chien-Chung Tseng, Hsien-Wen Hsu, Chien-Jen Hsieh
  • Patent number: 8188700
    Abstract: 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: Grant
    Filed: September 16, 2009
    Date of Patent: May 29, 2012
    Assignee: inergy Technology Inc.
    Inventors: Chien-Chung Tseng, Hsien-Wen Hsu, Chien-Jen Hsieh
  • Publication number: 20110241588
    Abstract: 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: Application
    Filed: April 6, 2010
    Publication date: October 6, 2011
    Applicant: inergy Technology Inc.
    Inventors: Chien-Chung TSENG, Hsien-Wen HSU, Chien-Jen HSIEH