KR20200029480A - 세라믹스 회로 기판 및 그 제조 방법 - Google Patents
세라믹스 회로 기판 및 그 제조 방법 Download PDFInfo
- Publication number
- KR20200029480A KR20200029480A KR1020207001838A KR20207001838A KR20200029480A KR 20200029480 A KR20200029480 A KR 20200029480A KR 1020207001838 A KR1020207001838 A KR 1020207001838A KR 20207001838 A KR20207001838 A KR 20207001838A KR 20200029480 A KR20200029480 A KR 20200029480A
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- South Korea
- Prior art keywords
- brazing material
- powder
- circuit board
- ceramic
- bonding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/388—Improvement of the adhesion between the insulating substrate and the metal by the use of a metallic or inorganic thin film adhesion layer
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering or brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550°C
- B23K35/3006—Ag as the principal constituent
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- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/003—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts
- C04B37/006—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts consisting of metals or metal salts
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- H10W40/255—Arrangements for cooling characterised by their materials having a laminate or multilayered structure, e.g. direct bond copper [DBC] ceramic substrates
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- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
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- H10W70/67—Insulating or insulated package substrates; Interposers; Redistribution layers characterised by their insulating layers or insulating parts
- H10W70/68—Shapes or dispositions thereof
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- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
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- H10W70/67—Insulating or insulated package substrates; Interposers; Redistribution layers characterised by their insulating layers or insulating parts
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Abstract
[해결 수단] 세라믹스 기판 상에, 브레이징재층을 개재하여 회로 패턴이 형성되고, 회로 패턴의 외연으로부터 비어져 나온 브레이징재층에 의해서 비어져나옴부가 형성되어 있고, 브레이징재층은, Ag, Cu 및 Ti 와, Sn 또는 In 을 함유하고, 비어져나옴부 외연으로부터, 세라믹스 기판과 회로 패턴의 접합 계면을 따라서 내측을 향하여 Ag 리치상이 300 ㎛ 이상 연속하여 형성되어 있고, 접합 보이드율이 1.0 % 이하인, 세라믹스 회로 기판으로 한다.
Description
도 2 는, Ag 리치상 및 Cu 리치상에 대해서 설명하기 위한 확대 사진이다.
도 3 은, 브레이징재층에 의한 비어져나옴부 외연으로부터 회로 패턴 내측을 향하여 Ag 리치상이 300 ㎛ 이상 연속하지 않은 세라믹스 회로 기판의 단면 사진의 일례이다.
2 : 세라믹스 기판
3 : Ag 리치상
4 : 브레이징재 비어져나옴부
5 : 브레이징재 비어져나옴부 외연
6 : Cu 리치상
7 : 브레이징재층
Claims (8)
- 세라믹스 기판 상에, 브레이징재층을 개재하여 회로 패턴이 형성되고,
회로 패턴의 외연으로부터 비어져 나온 브레이징재층에 의해서 비어져나옴부가 형성되어 있고,
브레이징재층은, Ag, Cu 및 Ti 와, Sn 또는 In 을 함유하고,
비어져나옴부 외연으로부터, 세라믹스 기판과 회로 패턴의 접합 계면을 따라서 내측을 향하여 Ag 리치상이 300 ㎛ 이상 연속하여 형성되어 있고, 접합 보이드율이 1.0 % 이하인, 세라믹스 회로 기판. - 제 1 항에 있어서,
비어져나옴부의 두께가 8 ∼ 30 ㎛ 이고, 길이가 40 ㎛ ∼ 150 ㎛ 인, 세라믹스 회로 기판. - 제 1 항 또는 제 2 항에 있어서,
세라믹스 기판이, 질화규소, 질화알루미늄, 산화알루미늄, 산화지르코늄, 탄화규소, 및 붕화란탄에서 선택되는, 세라믹스 회로 기판. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
회로 패턴이 구리를 함유하는, 세라믹스 회로 기판. - 제 1 항 내지 제 4 항 중 어느 한 항에 기재된 세라믹스 회로 기판의 제조 방법으로서,
세라믹스 기판의 양 주면에 브레이징재를 사용하여 구리판을 접합하는 공정을 갖고,
브레이징재가, Ag 를 85.0 ∼ 95.0 질량부, Cu 를 5.0 ∼ 13.0 질량부, Sn 또는 In 을 0.4 ∼ 2.0 질량부, 및, Ti 를 Ag, Cu 및, Sn 또는 In 의 합계 100 질량부에 대해서 1.5 ∼ 5.0 질량부 함유하고,
진공 중 또는 불활성 분위기 중에서, 접합 온도가 770 ℃ ∼ 900 ℃ 이며, 유지 시간이 10 ∼ 60 분에서 접합하는, 제조 방법. - 제 5 항에 있어서,
브레이징재가, Ag 분말, Cu 분말, 및, Sn 분말 또는 In 분말을 사용하여 이루어지고, Ag 분말의 비표면적이 0.1 ∼ 0.6 ㎡/g 인, 제조 방법. - 제 5 항 또는 제 6 항에 있어서,
Cu 분말의 표면적이 0.1 ∼ 1.0 ㎡/g 이며 또한 평균 입자경 D50 이 0.8 ∼ 8.0 ㎛ 인, 제조 방법. - 제 5 항 내지 제 7 항 중 어느 한 항에 있어서,
Sn 분말 또는 In 분말의 비표면적이 0.1 ∼ 1.0 ㎡/g 이며 또한 평균 입자경 D50 이 0.8 ∼ 10.0 ㎛ 인, 제조 방법.
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| PCT/JP2018/027882 WO2019022133A1 (ja) | 2017-07-25 | 2018-07-25 | セラミックス回路基板及びその製造方法 |
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| KR20220066051A (ko) * | 2019-09-20 | 2022-05-23 | 덴카 주식회사 | 회로 기판 및 이것을 구비하는 모듈 |
| WO2021149789A1 (ja) * | 2020-01-23 | 2021-07-29 | デンカ株式会社 | セラミックス-銅複合体、及びセラミックス-銅複合体の製造方法 |
| CN115136297A (zh) * | 2020-02-13 | 2022-09-30 | 阿莫绿色技术有限公司 | 功率模块及其制造方法 |
| CN119501220A (zh) * | 2020-02-17 | 2025-02-25 | 株式会社东芝 | 接合体的制造方法 |
| CN114929650A (zh) | 2020-03-30 | 2022-08-19 | 电化株式会社 | 电路基板、接合体以及它们的制造方法 |
| JP7717699B6 (ja) * | 2020-07-27 | 2025-08-27 | 株式会社東芝 | 接合体、回路基板、半導体装置、及び接合体の製造方法 |
| EP4197990A4 (en) * | 2020-08-12 | 2024-08-07 | Tokuyama Corporation | LAMINATE FOR PRINTED CIRCUIT BOARD |
| CN111958145A (zh) * | 2020-08-24 | 2020-11-20 | 合肥工业大学 | 一种用于max相复合陶瓷的钎焊材料及钎焊工艺 |
| EP4234517B1 (en) * | 2020-10-20 | 2025-10-01 | Kabushiki Kaisha Toshiba | Bonded body, ceramic circuit board using same, and semiconductor device |
| CN112469201B (zh) * | 2020-11-24 | 2021-12-07 | 绍兴德汇半导体材料有限公司 | 一种覆铜衬板制作方法 |
| EP4270499A4 (en) * | 2020-12-25 | 2025-01-29 | CoorsTek GK | SILICA ELEMENT AND LED DEVICE |
| CN116964022A (zh) * | 2021-03-24 | 2023-10-27 | 电化株式会社 | 复合基板 |
| CN119547568A (zh) * | 2022-05-19 | 2025-02-28 | 阿尔法能源技术公司 | 将锂耦合到衬底 |
| EP4311818A1 (de) * | 2022-07-29 | 2024-01-31 | Heraeus Electronics GmbH & Co. KG | Metall-keramik-substrat mit kontaktbereich |
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| JP7576209B2 (ja) * | 2022-11-25 | 2024-10-30 | デンカ株式会社 | 窒化ケイ素焼結体及びその製造方法、接合体、並びに、パワーモジュール |
| EP4593075A1 (de) * | 2024-01-24 | 2025-07-30 | Heraeus Electronics GmbH & Co. KG | Metall-keramik-substrat mit kontaktbereich |
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| EP3661337A1 (en) | 2020-06-03 |
| WO2019022133A1 (ja) | 2019-01-31 |
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