Patents by Inventor Chih-Chiang Lu
Chih-Chiang Lu 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: 12256488Abstract: Provided is a circuit board structure including a substrate, a loop-wrapping ground layer, an insulating structure, a first build-up layer, a top wiring layer, a bottom wiring layer, a first conductive via, and a plurality of second conductive vias. The aforementioned structure defines a signal transmitting structure. An equivalent circuit of the signal transmitting structure at least includes a first equivalent circuit, a second equivalent circuit, a third equivalent circuit and a fourth equivalent circuit, which correspond to different uniform transmitting sections respectively. The first equivalent circuit, the second equivalent circuit, the third equivalent circuit and the fourth equivalent circuit are connected in series with each other according to an ABCD transmission matrix series connection principle.Type: GrantFiled: February 1, 2023Date of Patent: March 18, 2025Assignee: Unimicron Technology Corp.Inventors: Chih-Chiang Lu, Jun-Rui Huang, Ming-Hao Wu, Tung-Chang Lin
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Publication number: 20250056712Abstract: A manufacturing method of the circuit board includes the following. The third substrate has an opening and includes a first, a second and a third dielectric layers. The opening penetrates the first and the second dielectric layers, and the opening is fully filled with the third dielectric layer. The first, the second and the third substrates are press-fitted so that the second substrate is located between the first and the third substrates. Multiple conductive structures are formed so that the first, the second and the third substrates are electrically connected through the conductive structures to define a ground path. A conductive via structure is formed to penetrate the first substrate, the second substrate, and the third dielectric layer of the third substrate. The conductive via structure is electrically connected to the first and the third substrates to define a signal path. The ground path surrounds the signal path.Type: ApplicationFiled: October 29, 2024Publication date: February 13, 2025Applicant: Unimicron Technology Corp.Inventors: Jun-Rui Huang, Chih-Chiang Lu, Yi-Pin Lin, Ching-Sheng Chen
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Patent number: 12177964Abstract: A circuit board includes a first substrate, a second substrate, a third substrate, a plurality of conductive structures and a conductive via structure. The second substrate is disposed between the first substrate and the third substrate. The third substrate has an opening and includes a first dielectric layer, a second dielectric layer, and a third dielectric layer. The opening penetrates the first dielectric layer and the second dielectric layer, and the third dielectric layer fully fills the opening. The conductive via structure penetrates the first substrate, the second substrate, the third dielectric layer of the third substrate, and is electrically connected to the first substrate and the third substrate to define a signal path. The first substrate, the second substrate, and the third substrate are electrically connected through the conductive structures to define a ground path, and the ground path surrounds the signal path.Type: GrantFiled: April 1, 2022Date of Patent: December 24, 2024Assignee: Unimicron Technology Corp.Inventors: Jun-Rui Huang, Chih-Chiang Lu, Yi-Pin Lin, Ching-Sheng Chen
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Patent number: 12144113Abstract: A circuit board structure includes a substrate, a first build-up structure layer, first and second external circuit layers, at least one first conductive via, and second conductive vias. The first build-up structure layer is disposed on a first circuit layer of the substrate. The first external circuit layer is disposed on the first build-up structure layer. The second external circuit layer is disposed on a second circuit layer and a portion of a third dielectric layer of the substrate. The first conductive via is electrically connected to the first external circuit layer and the second external circuit layer to define a signal path. The second conductive vias surround the first conductive via, and the first external circuit layer, the second conductive vias, the first circuit layer, the outer conductive layer, and the second external circuit layer define a first ground path. The first ground path surrounds the signal path.Type: GrantFiled: September 7, 2022Date of Patent: November 12, 2024Assignee: Unimicron Technology Corp.Inventors: Chih-Chiang Lu, Chi-Min Chang, Ming-Hao Wu, Yi-Pin Lin, Tung-Chang Lin, Jun-Rui Huang
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Publication number: 20240282687Abstract: A manufacturing method of the circuit board includes the following steps. A metal layer, a first substrate, a second substrate, and a third substrate are laminated. Multiple blind holes and a through hole are formed. A conductive material layer is formed, which covers the metal layer, the conductive layer of the third substrate, and an inner wall of the through hole, and fills the blind holes to define multiple conductive holes. The conductive material layer, the metal layer, and the conductive layer are patterned to form a first external circuit layer located on the first substrate and electrically connected to the conductive pillars, and a second external circuit layer located on the insulating layer and electrically connected to the conductive holes, and define a conductive through hole structure connecting the first external circuit layer and the second external circuit layer and located in the through hole.Type: ApplicationFiled: April 29, 2024Publication date: August 22, 2024Applicant: Unimicron Technology Corp.Inventors: Chih-Chiang Lu, Hsin-Ning Liu, Jun-Rui Huang, Pei-Wei Wang, Ching Sheng Chen, Shih-Lian Cheng
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Patent number: 12057381Abstract: A circuit board includes a first external circuit layer, a first substrate, a second substrate, a third substrate, and a conductive through hole structure. The first substrate includes conductive pillars electrically connecting the first external circuit layer and the second substrate. The second substrate has an opening and includes a first dielectric layer. The opening penetrates the second substrate, and the first dielectric layer fills the opening. The third substrate includes an insulating layer, a second external circuit layer, and conductive holes. A conductive material layer of the conductive through hole structure covers an inner wall of a through hole and electrically connects the first and the second external circuit layers to define a signal path. The first external circuit layer, the conductive pillars, the second substrate, the conductive holes and the second external circuit layer are electrically connected to define a ground path surrounding the signal path.Type: GrantFiled: October 12, 2021Date of Patent: August 6, 2024Assignee: Unimicron Technology Corp.Inventors: Chih-Chiang Lu, Hsin-Ning Liu, Jun-Rui Huang, Pei-Wei Wang, Ching Sheng Chen, Shih-Lian Cheng
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Patent number: 12052815Abstract: Provided is a manufacturing method of circuit board, including a first substrate, a second substrate, a third substrate, a fourth substrate, multiple conductive structures, and a conductive via structure. The third substrate has an opening and includes a first dielectric layer. The opening penetrates the third substrate, and the first dielectric layer fills the opening. Multiple conductive structures are formed so that the first substrate, the second substrate, the third substrate, and the fourth substrate are electrically connected through the conductive structures to define a ground path. A conductive via structure is formed to penetrate the first substrate, the second substrate, the first dielectric layer of the third substrate, and the fourth substrate. The conductive via structure is electrically connected to the first substrate and the fourth substrate to define a signal path, and the ground path surrounds the signal path.Type: GrantFiled: August 9, 2023Date of Patent: July 30, 2024Assignee: Unimicron Technology Corp.Inventors: Chih-Chiang Lu, Heng-Ming Nien, Ching-Sheng Chen, Ching Chang, Ming-Ting Chang, Chi-Min Chang, Shao-Chien Lee, Jun-Rui Huang, Shih-Lian Cheng
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Publication number: 20240186447Abstract: The present disclosure provides a light-emitting device comprising a substrate with a topmost surface; a first semiconductor stack arranged on the substrate, and comprising a first top surface separated from the topmost surface by a first distance; a first bonding layer arranged between the substrate and the first semiconductor stack; a second semiconductor stack arranged on the substrate, and comprising a second top surface separated from the topmost surface by a second distance which is different form the first distance; a second bonding layer arranged between the substrate and the second semiconductor stack; a third semiconductor stack arranged on the substrate, and comprising third top surface separated from the topmost surface by a third distance; and a third bonding layer arranged between the substrate and the third semiconductor stack; wherein the first semiconductor stack, the second semiconductor stack, and the third semiconductor stack are configured to emit different color lights.Type: ApplicationFiled: February 12, 2024Publication date: June 6, 2024Inventors: Chien-Fu HUANG, Chih-Chiang LU, Chun-Yu LIN, Hsin-Chih CHIU
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Patent number: 11901480Abstract: The present disclosure provides a light-emitting device comprising a substrate with a topmost surface; a first semiconductor stack arranged on the substrate, and comprising a first top surface separated from the topmost surface by a first distance; a first bonding layer arranged between the substrate and the first semiconductor stack; a second semiconductor stack arranged on the substrate, and comprising a second top surface separated from the topmost surface by a second distance which is different form the first distance; a second bonding layer arranged between the substrate and the second semiconductor stack; a third semiconductor stack arranged on the substrate, and comprising third top surface separated from the topmost surface by a third distance; and a third bonding layer arranged between the substrate and the third semiconductor stack; wherein the first semiconductor stack, the second semiconductor stack, and the third semiconductor stack are configured to emit different color lights.Type: GrantFiled: August 9, 2021Date of Patent: February 13, 2024Assignee: EPISTAR CORPORATIONInventors: Chien-Fu Huang, Chih-Chiang Lu, Chun-Yu Lin, Hsin-Chih Chiu
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Publication number: 20240047604Abstract: A semiconductor light-emitting device comprises a substrate; a first adhesive layer on the substrate; multiple epitaxial units on the first adhesive layer; a second adhesive layer on the multiple epitaxial units; multiple first electrodes between the first adhesive layer and the multiple epitaxial units, and contacting the first adhesive layer and the multiple epitaxial units; and multiple second electrodes between the second adhesive layer and the multiple epitaxial units, and contacting the second adhesive layer and the multiple epitaxial units; wherein the multiple epitaxial units are totally separated.Type: ApplicationFiled: October 17, 2023Publication date: February 8, 2024Inventors: Hsin-Chih Chiu, Chih-Chiang Lu, Chun-Yu Lin, Ching-Huai Ni, Yi-Ming Chen, Tzu-Chieh Hsu, Ching-Pei Lin
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Patent number: 11859302Abstract: An electroplating apparatus includes an anode and a cathode, a power supply, a regulating plate, and a controller. The power supply is electrically connected to the anode and the cathode. The regulating plate is disposed between the anode and the cathode. The regulating plate includes an insulation grid plate and a plurality of wires. The controller is electrically connected to the plurality of wires to control a state of an electromagnetic field around the plurality of wires. An electroplating method is also provided.Type: GrantFiled: March 28, 2022Date of Patent: January 2, 2024Assignee: Unimicron Technology Corp.Inventors: Heng-Ming Nien, Chih-Chiang Lu, Chih-Kai Chan, Shih-Lian Cheng
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Publication number: 20230389172Abstract: Provided is a manufacturing method of circuit board, including a first substrate, a second substrate, a third substrate, a fourth substrate, multiple conductive structures, and a conductive via structure. The third substrate has an opening and includes a first dielectric layer. The opening penetrates the third substrate, and the first dielectric layer fills the opening. Multiple conductive structures are formed so that the first substrate, the second substrate, the third substrate, and the fourth substrate are electrically connected through the conductive structures to define a ground path. A conductive via structure is formed to penetrate the first substrate, the second substrate, the first dielectric layer of the third substrate, and the fourth substrate. The conductive via structure is electrically connected to the first substrate and the fourth substrate to define a signal path, and the ground path surrounds the signal path.Type: ApplicationFiled: August 9, 2023Publication date: November 30, 2023Applicant: Unimicron Technology Corp.Inventors: Chih-Chiang Lu, Heng-Ming Nien, Ching-Sheng Chen, Ching Chang, Ming-Ting Chang, Chi-Min Chang, Shao-Chien Lee, Jun-Rui Huang, Shih-Lian Cheng
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Patent number: 11791436Abstract: A semiconductor light-emitting device comprises a substrate; a first adhesive layer on the substrate; multiple epitaxial units on the first adhesive layer; a second adhesive layer on the multiple epitaxial units; multiple first electrodes between the first adhesive layer and the multiple epitaxial units, and contacting the first adhesive layer and the multiple epitaxial units; and multiple second electrodes between the second adhesive layer and the multiple epitaxial units, and contacting the second adhesive layer and the multiple epitaxial units; wherein the multiple epitaxial units are totally separated.Type: GrantFiled: January 6, 2022Date of Patent: October 17, 2023Assignee: EPISTAR CORPORATIONInventors: Hsin-Chih Chiu, Chih-Chiang Lu, Chun-Yu Lin, Ching-Huai Ni, Yi-Ming Chen, Tzu-Chieh Hsu, Ching-Pei Lin
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Patent number: 11785707Abstract: Provided is a circuit board, including a first substrate, a second substrate, a third substrate, a fourth substrate, multiple conductive structures, and a conductive via structure. The second substrate is disposed between the first substrate and the third substrate. The third substrate is disposed between the second substrate and the fourth substrate. The third substrate has an opening penetrating the third substrate and includes a first dielectric layer filling the opening. The conductive via structure penetrates the first substrate, the second substrate, the first dielectric layer of the third substrate, and the fourth substrate, and is electrically connected to the first substrate and the fourth substrate to define a signal path. The first substrate, the second substrate, the third substrate and the fourth substrate are electrically connected through the conductive structures to define a ground path, and the ground path surrounds the signal path.Type: GrantFiled: October 8, 2021Date of Patent: October 10, 2023Assignee: Unimicron Technology Corp.Inventors: Chih-Chiang Lu, Heng-Ming Nien, Ching-Sheng Chen, Ching Chang, Ming-Ting Chang, Chi-Min Chang, Shao-Chien Lee, Jun-Rui Huang, Shih-Lian Cheng
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Patent number: 11737209Abstract: A circuit board includes a first dielectric material, a second dielectric material, a third dielectric material, a first external circuit layer, a second external circuit layer, multiple conductive structures, and a conductive via structure. Dielectric constants of the first, the second and the third dielectric materials are different. The first and the second external circuit layers are respectively disposed on the first and the third dielectric materials. The conductive via structure at least penetrates the first and the second dielectric materials and is electrically connected to the first and the second external circuit layers to define a signal path. The conductive structures are electrically connected to each other and surround the first, the second and the third dielectric materials. The conductive structures are electrically connected to the first and the second external circuit layers to define a ground path surrounding the signal path.Type: GrantFiled: January 13, 2022Date of Patent: August 22, 2023Assignee: Unimicron Technology Corp.Inventors: Chih-Chiang Lu, Chi-Min Chang, Shao-Chien Lee, Jun-Rui Huang, Ming-Ting Chang
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Publication number: 20230262890Abstract: A circuit board structure includes a substrate, a first build-up structure layer, first and second external circuit layers, at least one first conductive via, and second conductive vias. The first build-up structure layer is disposed on a first circuit layer of the substrate. The first external circuit layer is disposed on the first build-up structure layer. The second external circuit layer is disposed on a second circuit layer and a portion of a third dielectric layer of the substrate. The first conductive via is electrically connected to the first external circuit layer and the second external circuit layer to define a signal path. The second conductive vias surround the first conductive via, and the first external circuit layer, the second conductive vias, the first circuit layer, the outer conductive layer, and the second external circuit layer define a first ground path. The first ground path surrounds the signal path.Type: ApplicationFiled: September 7, 2022Publication date: August 17, 2023Applicant: Unimicron Technology Corp.Inventors: Chih-Chiang Lu, Chi-Min Chang, Ming-Hao Wu, Yi-Pin Lin, Tung-Chang Lin, Jun-Rui Huang
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Publication number: 20230262893Abstract: A circuit board, including a first dielectric material, a second dielectric material, a third dielectric material, a fourth dielectric material, a first external circuit layer, a second external circuit layer, a conductive structure, a first conductive via, and multiple second conductive vias, is provided. The first conductive via at least passes through the first dielectric material and the fourth dielectric material, and is electrically connected to the first external circuit layer and the second external circuit layer to define a signal path. The second conductive vias pass through the first dielectric material, the second dielectric material, the third dielectric material, and a part of the conductive structure, and surround the first conductive via. The second conductive vias are electrically connected to the first external circuit layer, the conductive structure, and the second external circuit layer to define a ground path, and the ground path surrounds the signal path.Type: ApplicationFiled: August 23, 2022Publication date: August 17, 2023Applicant: Unimicron Technology Corp.Inventors: Chih-Chiang Lu, Jun-Rui Huang, Ming-Hao Wu, Yi-Pin Lin, Tung-Chang Lin
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Publication number: 20230262880Abstract: Provided is a circuit board structure including a substrate, a loop-wrapping ground layer, an insulating structure, a first build-up layer, a top wiring layer, a bottom wiring layer, a first conductive via, and a plurality of second conductive vias. The aforementioned structure defines a signal transmitting structure. An equivalent circuit of the signal transmitting structure at least includes a first equivalent circuit, a second equivalent circuit, a third equivalent circuit and a fourth equivalent circuit, which correspond to different uniform transmitting sections respectively. The first equivalent circuit, the second equivalent circuit, the third equivalent circuit and the fourth equivalent circuit are connected in series with each other according to an ABCD transmission matrix series connection principle.Type: ApplicationFiled: February 1, 2023Publication date: August 17, 2023Applicant: Unimicron Technology Corp.Inventors: Chih-Chiang Lu, Jun-Rui Huang, Ming-Hao Wu, Tung-Chang Lin
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Patent number: 11686008Abstract: An electroplating apparatus including an anode and a cathode, a power supply, and a regulating plate is provided. The power supply is electrically connected to the anode and the cathode. The regulating plate is arranged between the anode and the cathode. The regulating plate includes an insulating grid plate and a plurality of magnetic components. The plurality of magnetic components are uniformly and randomly arranged on the insulating grid plate. An electroplating method is also provided.Type: GrantFiled: May 16, 2022Date of Patent: June 27, 2023Assignee: Unimicron Technology Corp.Inventors: Heng-Ming Nien, Chih-Chiang Lu, Cho-Ying Wu, Shih-Lian Cheng
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Publication number: 20230124913Abstract: An electroplating apparatus includes an anode and a cathode, a power supply, a regulating plate, and a controller. The power supply is electrically connected to the anode and the cathode. The regulating plate is disposed between the anode and the cathode. The regulating plate includes an insulation grid plate and a plurality of wires. The controller is electrically connected to the plurality of wires to control a state of an electromagnetic field around the plurality of wires. An electroplating method is also provided.Type: ApplicationFiled: March 28, 2022Publication date: April 20, 2023Applicant: Unimicron Technology Corp.Inventors: Heng-Ming Nien, Chih-Chiang Lu, Chih-Kai Chan, Shih-Lian Cheng