Patents by Inventor Berm Ha CHA
Berm Ha CHA 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: 12080480Abstract: A multilayer capacitor includes a body including a dielectric layer and a plurality of internal electrodes stacked on one another with the dielectric layer interposed therebetween, and external electrodes disposed externally on the body, and each connected to the plurality of internal electrodes, wherein at least one of the plurality of internal electrodes includes an alloy region formed in a region in contact with a corresponding external electrode of the external electrodes, and the alloy region includes a nickel (Ni)-chromium (Cr) alloy.Type: GrantFiled: August 16, 2022Date of Patent: September 3, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dae Hee Lee, Soo Jeong Jo, Kang Ha Lee, Yoon A Park, Jin Woo Chun, Berm Ha Cha, Myung Jun Park, Jong Ho Lee
-
Publication number: 20240222029Abstract: A multilayer electronic component includes a body including a capacitance formation portion in which a plurality of dielectric layers and a plurality of internal electrodes are alternately disposed in a first direction, a first cover portion disposed on one surface of the capacitance formation portion in the first direction and including a dielectric layer, and a second cover portion disposed on the other surface of the capacitance formation portion in the first direction and including a dielectric layer; and an external electrode disposed on the body, wherein a molar ratio of Sn/(Ni+Sn) measured in a central portion of an internal electrode disposed closest to the first cover portion or the second cover portion is 0.00160 or more and 0.0230 or less, and a molar ratio of Sn/(Ni+Sn) measured in a central portion of at least one internal electrode, among the plurality of internal electrodes, is 0.00066 or less.Type: ApplicationFiled: August 8, 2023Publication date: July 4, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jong Ho LEE, Kyoung Jin CHA, Berm Ha CHA, Hyung Jong CHOI, Jin Woo CHUN
-
Patent number: 11961681Abstract: A multilayer capacitor includes a capacitor body including dielectric layers and internal electrodes alternately disposed with the dielectric layers interposed therebetween; and an external electrode disposed on the capacitor body to be connected to one or more of the internal electrodes. Porosity of ends of the internal electrodes is less than 50% on an interfacial surface between a margin of the capacitor body in a width direction the capacitor body and the internal electrodes.Type: GrantFiled: November 10, 2021Date of Patent: April 16, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yu Kwang Seo, Berm Ha Cha, Kang Hyun Lee, Jong Hwa Lee, Jong Han Kim
-
Patent number: 11776747Abstract: A multilayer ceramic capacitor include: a ceramic body including first and second surfaces opposing each other and third and fourth surfaces connecting the first and second surfaces; a plurality of internal electrodes disposed inside the ceramic body and exposed to the first and second surfaces, the plurality internal electrodes each having one end exposed to the third or fourth surface; and first and second side margin portions disposed on sides of the internal electrodes exposed to the first and second surfaces. A dielectric composition of the first and second side margin portions is different from a dielectric composition of the ceramic body, and a dielectric constant of the first and second side margin portions is lower than a dielectric constant of the ceramic body.Type: GrantFiled: May 19, 2022Date of Patent: October 3, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Berm Ha Cha, Soo Kyong Jo, Hwi Dae Kim, Jong Ho Lee
-
Publication number: 20230108431Abstract: A multilayer capacitor includes a body including a dielectric layer and a plurality of internal electrodes stacked on one another with the dielectric layer interposed therebetween, and external electrodes disposed externally on the body, and each connected to the plurality of internal electrodes, wherein at least one of the plurality of internal electrodes includes an alloy region formed in a region in contact with a corresponding external electrode of the external electrodes, and the alloy region includes a nickel (Ni)-chromium (Cr) alloy.Type: ApplicationFiled: August 16, 2022Publication date: April 6, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dae Hee Lee, Soo Jeong Jo, Kang Ha Lee, Yoon A Park, Jin Woo Chun, Berm Ha Cha, Myung Jun Park, Jong Ho Lee
-
Publication number: 20220277898Abstract: A multilayer ceramic capacitor include: a ceramic body including first and second surfaces opposing each other and third and fourth surfaces connecting the first and second surfaces; a plurality of internal electrodes disposed inside the ceramic body and exposed to the first and second surfaces, the plurality internal electrodes each having one end exposed to the third or fourth surface; and first and second side margin portions disposed on sides of the internal electrodes exposed to the first and second surfaces. A dielectric composition of the first and second side margin portions is different from a dielectric composition of the ceramic body, and a dielectric constant of the first and second side margin portions is lower than a dielectric constant of the ceramic body.Type: ApplicationFiled: May 19, 2022Publication date: September 1, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Berm Ha CHA, Soo Kyong JO, Hwi Dae KIM, Jong Ho LEE
-
Publication number: 20220208472Abstract: A multilayer capacitor includes a capacitor body including dielectric layers and internal electrodes alternately disposed with the dielectric layers interposed therebetween; and an external electrode disposed on the capacitor body to be connected to one or more of the internal electrodes. Porosity of ends of the internal electrodes is less than 50% on an interfacial surface between a margin of the capacitor body in a width direction the capacitor body and the internal electrodes.Type: ApplicationFiled: November 10, 2021Publication date: June 30, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yu Kwang Seo, Berm Ha Cha, Kang Hyun Lee, Jong Hwa Lee, Jong Han Kim
-
Patent number: 11367570Abstract: A multilayer ceramic capacitor include: a ceramic body including first and second surfaces opposing each other and third and fourth surfaces connecting the first and second surfaces; a plurality of internal electrodes disposed inside the ceramic body and exposed to the first and second surfaces, the plurality internal electrodes each having one end exposed to the third or fourth surface; and first and second side margin portions disposed on sides of the internal electrodes exposed to the first and second surfaces. A dielectric composition of the first and second side margin portions is different from a dielectric composition of the ceramic body, and a dielectric constant of the first and second side margin portions is lower than a dielectric constant of the ceramic body.Type: GrantFiled: November 10, 2020Date of Patent: June 21, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Berm Ha Cha, Soo Kyong Jo, Hwi Dae Kim, Jong Ho Lee
-
Publication number: 20210074478Abstract: A multilayer ceramic capacitor include: a ceramic body including first and second surfaces opposing each other and third and fourth surfaces connecting the first and second surfaces; a plurality of internal electrodes disposed inside the ceramic body and exposed to the first and second surfaces, the plurality internal electrodes each having one end exposed to the third or fourth surface; and first and second side margin portions disposed on sides of the internal electrodes exposed to the first and second surfaces. A dielectric composition of the first and second side margin portions is different from a dielectric composition of the ceramic body, and a dielectric constant of the first and second side margin portions is lower than a dielectric constant of the ceramic body.Type: ApplicationFiled: November 10, 2020Publication date: March 11, 2021Inventors: Berm Ha CHA, Soo Kyong JO, Hwi Dae KIM, Jong Ho LEE
-
Patent number: 10903006Abstract: A multilayer ceramic capacitor include: a ceramic body including first and second surfaces opposing each other and third and fourth surfaces connecting the first and second surfaces; a plurality of internal electrodes disposed inside the ceramic body and exposed to the first and second surfaces, the plurality internal electrodes each having one end exposed to the third or fourth surface; and first and second side margin portions disposed on sides of the internal electrodes exposed to the first and second surfaces. A dielectric composition of the first and second side margin portions is different from a dielectric composition of the ceramic body, and a dielectric constant of the first and second side margin portions is lower than a dielectric constant of the ceramic body.Type: GrantFiled: October 18, 2018Date of Patent: January 26, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Berm Ha Cha, Soo Kyong Jo, Hwi Dae Kim, Jong Ho Lee
-
Patent number: 10643792Abstract: A multilayer capacitor includes a body including a plurality of first and second internal electrodes alternately disposed with respective to dielectric layers interposed therebetween and having first to sixth surfaces, the first internal electrode being exposed to the third, fifth, and sixth surfaces of the body, and the second internal electrode being exposed to the fourth, fifth, and sixth surfaces of the body; first and second side portions disposed on the fifth and sixth surfaces of the body, respectively, and including first and second metal layers disposed therein; and first and second external electrodes disposed on the third and fourth surfaces of the body, respectively, and connected to the first and second internal electrodes, respectively.Type: GrantFiled: May 16, 2018Date of Patent: May 5, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: Berm Ha Cha
-
Publication number: 20190180936Abstract: A multilayer ceramic capacitor include: a ceramic body including first and second surfaces opposing each other and third and fourth surfaces connecting the first and second surfaces; a plurality of internal electrodes disposed inside the ceramic body and exposed to the first and second surfaces, the plurality internal electrodes each having one end exposed to the third or fourth surface; and first and second side margin portions disposed on sides of the internal electrodes exposed to the first and second surfaces. A dielectric composition of the first and second side margin portions is different from a dielectric composition of the ceramic body, and a dielectric constant of the first and second side margin portions is lower than a dielectric constant of the ceramic body.Type: ApplicationFiled: October 18, 2018Publication date: June 13, 2019Inventors: Berm Ha CHA, Soo Kyong JO, Hwi Dae KIM, Jong Ho LEE
-
Publication number: 20190172643Abstract: A multilayer capacitor includes a body including a plurality of first and second internal electrodes alternately disposed with respective to dielectric layers interposed therebetween and having first to sixth surfaces, the first internal electrode being exposed to the third, fifth, and sixth surfaces of the body, and the second internal electrode being exposed to the fourth, fifth, and sixth surfaces of the body; first and second side portions disposed on the fifth and sixth surfaces of the body, respectively, and including first and second metal layers disposed therein; and first and second external electrodes disposed on the third and fourth surfaces of the body, respectively, and connected to the first and second internal electrodes, respectively.Type: ApplicationFiled: May 16, 2018Publication date: June 6, 2019Inventor: Berm Ha CHA