KR102067176B1 - 적층형 전자 부품 및 그 실장 기판 - Google Patents
적층형 전자 부품 및 그 실장 기판 Download PDFInfo
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- H—ELECTRICITY
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- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
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- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3431—Leadless components
- H05K3/3442—Leadless components having edge contacts, e.g. leadless chip capacitors, chip carriers
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- H05K1/18—Printed circuits structurally associated with non-printed electric components
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- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
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- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
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Abstract
Description
도 2는 도 1의 정면도이다.
도 3은 본 발명의 일 실시 형태에 따른 적층형 전자 부품의 내부 전극의 적층 구조를 도시한 분리사시도이다.
도 4는 도 1에 봉지부가 형성된 것을 개략적으로 도시한 정면도이다.
도 5 내지 도 9는 휨 길이에 따른 적층형 전자 부품의 용량을 나타낸 그래프이다.
도 10은 본 발명의 일 실시 형태에 따른 적층형 전자 부품이 실장된 기판을 나타내는 정면도이다.
110, 210: 세라믹 바디
111: 유전체층
121, 122: 제1 및 제2 내부 전극
131, 231: 제1 외부 전극
132, 232: 제2 외부 전극
310, 320: 제1 및 제2 프레임 단자
311, 321: 제1 및 제2 측면 프레임
312, 322: 제1 및 제2 하면 프레임
511-514: 도전성 접착제
600: 봉지부
710: 기판
721, 722: 제1 및 제2 전극 패드
731, 732: 솔더
Claims (9)
- 제1 방향으로 연장되는 제1 측면 프레임 및 상기 제1 측면 프레임의 하단에서 제2 방향으로 연장되는 제1 하면 프레임을 포함하는 제1 프레임 단자;
상기 제1 측면 프레임과 대향하며 제1 방향으로 연장되는 제2 측면 프레임 및 상기 제2 측면 프레임의 하단에서 상기 제2 방향과 마주보는 제3 방향으로 연장되는 제2 하면 프레임을 포함하는 제2 프레임 단자;
상기 제1 및 제2 측면 프레임 사이에 배치되는 제1 전자 부품;
상기 제1 전자 부품의 상측에 적층되고, 상기 제1 및 제2 측면 프레임 사이에 배치되는 제2 전자 부품; 및
상기 제1 및 제2 측면 프레임과 상기 제1 및 제2 전자 부품 사이에 각각 배치되는 도전성 접착제; 를 포함하고,
상기 제1 및 제2 측면 프레임과 상기 제1 전자 부품 사이의 실장 면과 가까운 쪽으로 도전성 접착제가 형성되지 않아 스페이스부가 마련되고,
상기 제1 및 제2 측면 프레임에서 상기 제2 전자 부품과 대응하는 부분의 높이가 상기 제2 전자 부품의 높이의 1/2 미만이고,
제1 및 제2 측면 프레임에서 제1 전자 부품과 이격되어 있는 부분의 높이를 h로, 제1 전자 부품과 실장 면 사이의 거리를 d로, 제1 전자 부품의 높이를 T1으로 정의할 때, (T1)/4 < h < T1+d를 만족하는 적층형 전자 부품.
- 제1항에 있어서,
상기 제1 전자 부품 및 제2 전자 부품은 각각 세라믹 바디 및 상기 세라믹 바디의 외부 면에 배치되는 외부 전극을 포함하고,
상기 제1 전자 부품 및 제2 전자 부품의 외부 전극이 도전성 접착제를 통해 서로 전기적으로 연결되는 적층형 전자 부품.
- 제2항에 있어서,
상기 제1 전자 부품 및 제2 전자 부품은, 복수의 유전체층 및 상기 유전체층을 사이에 두고 번갈아 배치되는 복수의 제1 및 제2 내부 전극을 포함하고, 서로 대향하는 제1 및 제2 면, 상기 제1 및 제2 면과 연결되고 서로 대향하는 제3 및 제4 면, 상기 제1 및 제2 면과 연결되고 상기 제3 및 제4 면과 연결되고 서로 대향하는 제5 및 제6 면을 포함하며, 상기 제1 및 제2 내부 전극의 일단이 상기 제3 및 제4 면을 통해 각각 노출되고,
상기 제1 및 제2 외부 전극은, 상기 세라믹 바디의 제3 및 제4 면에 각각 배치되어 상기 제1 및 제2 내부 전극, 상기 제1 및 제2 측면 프레임과 각각 접속되는 적층형 전자 부품.
- 제1항에 있어서,
상기 제1 전자 부품의 하단이 실장 면으로부터 이격되게 배치되는 적층형 전자 부품.
- 제1항에 있어서,
상기 제1 및 제2 전자 부품을 둘러싸는 봉지부를 더 포함하는 적층형 전자 부품.
- 제5항에 있어서,
상기 봉지부가 제1 전자 부품의 하측 일부가 노출되도록 형성되는 적층형 전자 부품.
- 삭제
- 제1항에 있어서, 제1 및 제2 측면 프레임에서 제1 전자 부품과 이격되어 있는 부분의 높이를 h로, 제1 전자 부품과 실장 면 사이의 거리를 d로, 제1 전자 부품의 높이를 T1으로 정의할 때, h < T1+d+0.5mm를 만족하는 적층형 전자 부품.
- 일면에 제1 및 제2 전극 패드를 가지는 기판; 및
상기 제1 및 제2 전극 패드 상에 제1 및 제2 프레임 단자의 제1 및 제2 하면 프레임이 각각 접속되도록 실장되는 제1항 내지 제6항, 제8항 중 어느 한 항의 적층형 전자 부품; 을 포함하는 적층형 전자 부품의 실장 기판.
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Application Number | Priority Date | Filing Date | Title |
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KR1020170136031A KR102067176B1 (ko) | 2017-10-19 | 2017-10-19 | 적층형 전자 부품 및 그 실장 기판 |
US15/995,637 US10734161B2 (en) | 2017-10-19 | 2018-06-01 | Multilayer electronic component and board having the same |
CN201810816781.XA CN109686565B (zh) | 2017-10-19 | 2018-07-24 | 多层电子组件和具有该多层电子组件的板 |
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KR102067176B1 true KR102067176B1 (ko) | 2020-01-15 |
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JP2018206813A (ja) * | 2017-05-30 | 2018-12-27 | 株式会社村田製作所 | 積層セラミック電子部品 |
KR20190060312A (ko) * | 2017-11-24 | 2019-06-03 | 삼성전기주식회사 | 적층형 전자 부품 |
US11581141B2 (en) * | 2020-03-02 | 2023-02-14 | Holy Stone Enierprise Co., Ltd. | Leadless stack comprising ceramic capacitor |
KR20220033178A (ko) * | 2020-09-09 | 2022-03-16 | 삼성전기주식회사 | 전자 부품 및 그 실장 기판 |
KR20220034546A (ko) * | 2020-09-11 | 2022-03-18 | 삼성전기주식회사 | 전자 부품 |
KR20220058978A (ko) * | 2020-11-02 | 2022-05-10 | 삼성전기주식회사 | 전자 부품 |
KR20230061801A (ko) | 2021-10-29 | 2023-05-09 | 삼성전기주식회사 | 전자부품 내장기판 |
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