Patents by Inventor Kai-Ming Yang

Kai-Ming Yang 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).

  • Publication number: 20220246810
    Abstract: A manufacturing method of a package structure is provided, which includes the following steps. A carrier having a surface is provided. A copper foil layer is laminated on the surface of the carrier. A subtractive process is performed on the copper foil layer to form a copper foil circuit layer on the carrier. The copper foil circuit layer exposes a part of the surface of the carrier. A build-up structure layer is formed on the copper foil circuit layer and the surface of the carrier. A first surface of the copper foil circuit layer is aligned with a second surface of the build-up structure layer. At least one electronic component is disposed on the build-up structure layer. A package colloid is formed to cover the electronic component and the build-up structure layer. The carrier is removed to expose the first surface of the copper foil circuit layer.
    Type: Application
    Filed: March 22, 2021
    Publication date: August 4, 2022
    Applicant: Unimicron Technology Corp.
    Inventors: Tzyy-Jang Tseng, Cheng-Ta Ko, Pu-Ju Lin, Chi-Hai Kuo, Kai-Ming Yang
  • Publication number: 20220208630
    Abstract: A chip packaging structure includes a chip, a redistribution layer, a solder ball, an encapsulant, and a stress buffer layer. The chip has an active surface and a back surface opposite to each other, and a peripheral surface connected to the active surface and the back surface. The redistribution layer is disposed on the active surface of the chip. The solder ball is disposed on the redistribution layer, and the chip is electrically connected to the solder ball through the redistribution layer. The encapsulant encapsulates the active surface and the back surface of the chip, the redistribution layer, and part of the solder ball. The stress buffer layer at least covers the peripheral surface of the chip. An outer surface of the stress buffer layer is aligned with a side surface of the encapsulant.
    Type: Application
    Filed: January 22, 2021
    Publication date: June 30, 2022
    Applicant: Unimicron Technology Corp.
    Inventors: Kai-Ming Yang, Chia-Yu Peng, Pei-Chi Chen, Pu-Ju Lin, Cheng-Ta Ko
  • Publication number: 20220208631
    Abstract: A chip package structure including a chip, a stress buffer layer, a first insulating layer, a redistribution layer, a second insulating layer, and a solder ball is provided. The chip has an active surface, a back surface and a peripheral surface. The stress buffer layer covers the active surface and the peripheral surface, and the first insulating layer is disposed on the back surface. A bottom surface of the stress buffer layer is aligned with the back surface of the chip. The redistribution layer is electrically connected to the chip through an opening of the stress buffer layer. The second insulating layer covers the stress buffer layer and the redistribution layer. The solder ball is disposed in a blind hole of the second insulating layer and electrically connected to the redistribution layer. A top surface of the solder ball protrudes from an upper surface of the second insulating layer.
    Type: Application
    Filed: January 24, 2021
    Publication date: June 30, 2022
    Applicant: Unimicron Technology Corp.
    Inventors: Pu-Ju Lin, Kai-Ming Yang, Cheng-Ta Ko
  • Publication number: 20220139886
    Abstract: A light-emitting package includes an encapsulating member, a plurality of light-emitting components disposed in the encapsulating member, a plurality of first electrode pads, a plurality of second electrode pads, and a plurality of conductive connection structures. The encapsulating member has a first surface and a second surface opposite to each other. Each light-emitting component has a light-emitting surface exposed on the first surface. Both the first electrode pads and the second electrode pads are exposed on the second surface. A first bonding surface of each first electrode pad and a second bonding surface of each second electrode pad are both flush with the second surface. The light-emitting components disposed on the first electrode pads are electrically connected to the first electrode pads. The conductive connection structures passing through the encapsulating member are electrically connected to the light-emitting components and the second electrode pads.
    Type: Application
    Filed: December 17, 2020
    Publication date: May 5, 2022
    Inventors: Kai-Ming YANG, Chen-Hao LIN, Chia-Hao CHANG, Tzu-Nien LEE
  • Publication number: 20220131054
    Abstract: A light-emitting package includes a black encapsulating member, a plurality of light-emitting components and a circuit structure. The black encapsulating member has a first surface and a second surface opposite to the first surface. The light-emitting components are embedded in the black encapsulating member. Each light-emitting component has a light-emitting surface, a back surface opposite to the light-emitting surface, and a plurality of pads disposed on the back surface. The light-emitting surface of each light-emitting component is exposed on the first surface and is flush with the first surface. The pads of each light-emitting component are exposed on the second surface. The circuit structure is disposed on the second surface and electrically connected to the pads.
    Type: Application
    Filed: November 24, 2020
    Publication date: April 28, 2022
    Inventors: Kai-Ming YANG, Chen-Hao LIN, Tzu-Nien LEE
  • Publication number: 20220108953
    Abstract: A package structure, including a bridge, an interposer, a first redistribution structure layer, a second redistribution structure layer, and multiple chips, is provided. The bridge includes a silicon substrate, a redistribution layer, and multiple bridge pads. The interposer includes an intermediate layer, multiple conductive vias, multiple first pads, and multiple second pads. The bridge is embedded in the intermediate layer. The bridge pads are aligned with the upper surface. The first redistribution structure layer is disposed on the upper surface of the interposer and is electrically connected to the first pads and the bridge pads. The second redistribution structure layer is disposed on the lower surface of the interposer and is electrically connected to the second pads. The chips are disposed on the first redistribution structure layer and are electrically connected to the first redistribution structure layer. The chips are electrically connected to each other through the bridge.
    Type: Application
    Filed: May 7, 2021
    Publication date: April 7, 2022
    Applicant: Unimicron Technology Corp.
    Inventors: John Hon-Shing Lau, Cheng-Ta Ko, Pu-Ju Lin, Tzyy-Jang Tseng, Ra-Min Tain, Kai-Ming Yang
  • Publication number: 20220068872
    Abstract: A fabrication method of an electronic device bonding structure includes the following steps. A first electronic component including a first conductive bonding portion is provided. A second electronic component including a second conductive bonding portion is provided. A first organic polymer layer is formed on the first conductive bonding portion. A second organic polymer layer is formed on the second conductive bonding portion. Bonding is performed on the first electronic component and the second electronic component through the first conductive bonding portion and the second conductive bonding portion, such that the first electronic component and the second electronic component are electrically connected. The first organic polymer layer and the second organic polymer layer diffuse into the first conductive bonding portion and the second conductive bonding portion after the bonding. An electronic device bonding structure is also provided.
    Type: Application
    Filed: September 24, 2020
    Publication date: March 3, 2022
    Applicant: Unimicron Technology Corp.
    Inventors: Chia-Fu Hsu, Kai-Ming Yang, Pu-Ju Lin, Cheng-Ta Ko
  • Publication number: 20220068742
    Abstract: A chip package includes a redistribution layer, a chip, and an encapsulation member. The redistribution layer includes an insulation part, a plurality of first pads and a plurality of second pads, where the insulation part has a first surface, a second surface opposite to the first surface, and a side surface between the first surface and the second surface. The first pads and the second pads are located at the first surface and the second surface respectively. The chip is disposed on the first surface and electrically connected to the first pads. The encapsulation member wraps the chip and the redistribution layer, and covers the first surface and the side surface, where the encapsulation member exposes the second pads, and the encapsulation member is not flush with the first surface and the side surface.
    Type: Application
    Filed: November 4, 2021
    Publication date: March 3, 2022
    Inventors: Cheng-Hui WU, Jeng-Ting LI, Ping-Tsung LIN, Kai-Ming YANG, Pu-Ju LIN, Cheng-Ta KO
  • Publication number: 20220069489
    Abstract: A circuit board structure, including a redistribution circuit structure layer, a build-up circuit structure layer, and a connection structure layer, is provided. The redistribution circuit structure layer includes multiple first connecting pads. The build-up circuit structure layer is disposed on one side of the redistribution circuit structure layer and includes multiple second connecting pads. A line width and a line spacing of the redistribution circuit structure layer are smaller than a line width and a line spacing of the build-up circuit structure layer. The connection structure layer is disposed between the redistribution circuit structure layer and the build-up circuit structure layer, and includes a substrate and multiple conductive paste pillars penetrating the substrate. The first connecting pads are electrically connected to the second connecting pads respectively through the conductive paste pillars.
    Type: Application
    Filed: May 13, 2021
    Publication date: March 3, 2022
    Applicant: Unimicron Technology Corp.
    Inventors: John Hon-Shing Lau, Chia-Yu Peng, Kai-Ming Yang, Pu-Ju Lin, Cheng-Ta Ko, Tzyy-Jang Tseng
  • Publication number: 20220068832
    Abstract: An integrated circuit (IC) package structure includes a chip, a redistribution layer (RDL) structure, a molding compound structure and an electromagnetic interference (EMI) shielding structure. The RDL structure is formed on the chip and electrically connected thereto. The molding compound layer is provided on outer surfaces of the chip and the RDL structure. The EMI shielding structure is provided on outer surfaces of the molding compound structure. The molding compound structure layer provided on outer surfaces of the chip and the RDL structure provide protection and reinforcement to multiple faces of the IC package structure; and the EMI shielding structure provided on outer surfaces of the molding compound structure provides EMI protection to multiple faces of the chip and the RDL structure. The IC package structure has upgraded structural strength, reliability and stability in use. A method of manufacturing the above IC package structure is also introduced.
    Type: Application
    Filed: November 2, 2020
    Publication date: March 3, 2022
    Inventors: KAI-MING YANG, CHIA-YU PENG, JOHN HON-SHING LAU
  • Publication number: 20220061157
    Abstract: A wiring board includes a photosensitive insulating layer and a first wiring layer. The photosensitive insulating layer has a hole, a first surface and a second surface opposite to each other. The hole has a first end opening formed in the first surface, a second end opening formed in the second surface, an axis, and a sidewall surrounding the axis. Part of the sidewall extends toward the axis to form at least one annular flange. The first wiring layer is disposed on the first surface and includes a first pad, in which the hole exposes the first pad. There is at least one recessed cavity between the annular flange and the first pad. The minimum width of the annular flange is smaller than the maximum width of the recessed cavity.
    Type: Application
    Filed: September 16, 2020
    Publication date: February 24, 2022
    Inventors: Kai-Ming YANG, Chen-Hao LIN, Bo-Cheng LIN
  • Patent number: 11219130
    Abstract: A circuit board including a substrate, a patterned conductive layer, a patterned insulating layer, a conductive terminal, and a dummy terminal is provided. The patterned conductive layer is disposed on the substrate. The patterned insulating layer is disposed on the substrate and at least covers a portion of the patterned conductive layer. The conductive terminal is disposed on the patterned conductive layer and has a first top surface. The dummy terminal is disposed on the patterned conductive layer and has a second top surface. A first height between the first top surface and the substrate is greater than a second height between the second top surface and the substrate.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: January 4, 2022
    Assignee: Unimicron Technology Corp.
    Inventors: Kai-Ming Yang, Chen-Hao Lin
  • Patent number: 11166387
    Abstract: A wiring board including a build-up circuit layer, a patterned conductive layer, first and second adhesion promoting material layers and first and second solder mask layers is provided. The build-up circuit layer has a first surface and a second surface opposite thereto. The patterned conductive layer is disposed on the second surface. The first adhesion promoting material layer is disposed on the first surface and includes at least one first opening. The second adhesion promoting material layer is disposed on the second surface and the patterned conductive layer, and includes at least one second opening. The first solder mask layer is disposed on the first adhesion promoting material layer and includes at least one third opening provided corresponding to the first opening. The second solder mask layer is disposed on the second adhesion promoting material layer and includes at least one fourth opening provided corresponding to the second opening.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: November 2, 2021
    Assignee: Unimicron Technology Corp.
    Inventors: Kai-Ming Yang, Chen-Hao Lin, Pu-Ju Lin
  • Publication number: 20210296291
    Abstract: A manufacturing method of chip package structure includes following steps. A carrier is provided. A first patterned circuit layer and a first dielectric layer covering the first patterned circuit layer have been formed on the carrier. A flat structure layer is formed on the first dielectric layer. A second dielectric layer is formed on the first dielectric layer and covers the flat structure layer and a portion of the first dielectric layer. A second patterned circuit layer is formed on the second dielectric layer. The second patterned circuit layer includes a plurality of pads. An orthographic projection of the flat structure layer on the carrier overlaps orthographic projections of the pads on the carrier. A plurality of chips are disposed on the pads. A molding compound is formed to cover the second dielectric layer and encapsulate the chips and the pads.
    Type: Application
    Filed: April 13, 2020
    Publication date: September 23, 2021
    Applicant: Unimicron Technology Corp.
    Inventors: Pu-Ju Lin, Chi-Hai Kuo, Kai-Ming Yang, Cheng-Ta Ko
  • Patent number: 11127664
    Abstract: A circuit board includes a composite layer of a non-conductor inorganic material and an organic material, a plurality of conductive structures, a first built-up structure, and a second built-up structure. The composite layer of the non-conductor inorganic material and the organic material has a first surface and a second surface opposite to each other and a plurality of openings. The conductive structures are respectively disposed in the openings of the composite layer of the non-conductor inorganic material and the organic material. The first built-up structure is disposed on the first surface of the composite layer of the non-conductor inorganic material and the organic material and electrically connected to the conductive structures. The second built-up structure is disposed on the second surface of the composite layer of the non-conductor inorganic material and the organic material and electrically connected to the conductive structures.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: September 21, 2021
    Assignee: Unimicron Technology Corp.
    Inventors: Ra-Min Tain, Kai-Ming Yang, Wang-Hsiang Tsai, Tzyy-Jang Tseng
  • Publication number: 20210282275
    Abstract: A wiring board including a build-up circuit layer, a patterned conductive layer, first and second adhesion promoting material layers and first and second solder mask layers is provided. The build-up circuit layer has a first surface and a second surface opposite thereto. The patterned conductive layer is disposed on the second surface. The first adhesion promoting material layer is disposed on the first surface and includes at least one first opening. The second adhesion promoting material layer is disposed on the second surface and the patterned conductive layer, and includes at least one second opening. The first solder mask layer is disposed on the first adhesion promoting material layer and includes at least one third opening provided corresponding to the first opening. The second solder mask layer is disposed on the second adhesion promoting material layer and includes at least one fourth opening provided corresponding to the second opening.
    Type: Application
    Filed: April 14, 2020
    Publication date: September 9, 2021
    Applicant: Unimicron Technology Corp.
    Inventors: Kai-Ming Yang, Chen-Hao Lin, Pu-Ju Lin
  • Publication number: 20210195761
    Abstract: A package structure includes a metal layer, a composite layer of a non-conductor inorganic material and an organic material, a sealant, a chip, a circuit layer structure, and an insulating protective layer. The composite layer of the non-conductor inorganic material and the organic material is disposed on the metal layer. The sealant is bonded on the composite layer of the non-conductor inorganic material and the organic material. The chip is embedded in the sealant, and the chip has electrode pads. The circuit layer structure is formed on the sealant and the chip. The circuit layer structure includes at least one dielectric layer and at least one circuit layer. The dielectric layer has conductive blind holes. The insulating protective layer is formed on the circuit layer structure. The insulating protective layer has openings, so as to expose parts of the surface of the circuit layer structure in the openings.
    Type: Application
    Filed: March 8, 2021
    Publication date: June 24, 2021
    Inventors: Kai-Ming YANG, Chen-Hao LIN, Wang-Hsiang TSAI, Cheng-Ta KO
  • Patent number: 11013103
    Abstract: A method for forming a circuit board includes forming a first dielectric layer, a first circuit layer in the first dielectric layer, a second circuit layer on the first dielectric layer, and a plurality of conductive vias in the first dielectric layer and connecting the first circuit layer to the second circuit layer; forming a second dielectric layer on the first dielectric layer and the second circuit layer; forming a plurality of openings in the second dielectric layer to expose a plurality of parts of the second circuit layer; forming a seed layer on the exposed parts of the second circuit layer and sidewalls of the openings; and forming a plurality of bonding layers on the seed layer, wherein the bonding layers and the seed layer are made of copper, and the bonding layers are porous.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: May 18, 2021
    Assignee: Unimicron Technology Corp.
    Inventors: Ra-Min Tain, Kai-Ming Yang, Chien-Tsai Li
  • Patent number: 10993332
    Abstract: A circuit substrate includes a substrate, a wire build-up layer structure, and an insulating layer. The substrate has a first surface and a second surface opposites to the first surface. The substrate includes a plurality of patterned pads. The patterned pads are disposed on the first surface of the substrate, and having contact openings. The wire build-up layer structure is disposed on the first surface of the substrate. The wire build-up layer structure includes an interconnect build-up layer and a plurality of conductive pillars. The conductive pillars electrically connect to the interconnect build-up layer and the patterned pads. The insulating layer is disposed between the substrate and the wire build-up layer structure.
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: April 27, 2021
    Assignee: Unimicron Technology Corp.
    Inventors: Kai-Ming Yang, Chen-Hao Lin
  • Patent number: 10897823
    Abstract: A circuit board including an interconnect substrate and a multilayer structure is provided. The interconnect substrate includes a core layer and a conductive structure disposed on the core layer. The multilayer structure is disposed on the conductive structure. The multilayer structure includes a plurality of dielectric layers and a plurality of circuit structures. The circuit structures are disposed in the dielectric layers. A topmost layer in the circuit structures is exposed to the dielectric layers to be in contact with the conductive structure. A pattern of the topmost layer in the circuit structures and a pattern of a top surface of the conductive structure are engaged with each other.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: January 19, 2021
    Assignee: Unimicron Technology Corp.
    Inventors: Tzyy-Jang Tseng, Cheng-Ta Ko, Kai-Ming Yang, Chih-Lun Wang