JP5467782B2 - 電気絶縁性を有する放熱基板の製造方法 - Google Patents
電気絶縁性を有する放熱基板の製造方法 Download PDFInfo
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- JP5467782B2 JP5467782B2 JP2009055815A JP2009055815A JP5467782B2 JP 5467782 B2 JP5467782 B2 JP 5467782B2 JP 2009055815 A JP2009055815 A JP 2009055815A JP 2009055815 A JP2009055815 A JP 2009055815A JP 5467782 B2 JP5467782 B2 JP 5467782B2
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- B22D19/00—Casting in, on, or around objects which form part of the product
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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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- C22C1/1036—Alloys containing non-metals starting from a melt
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- C22C32/0084—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ carbon or graphite as the main non-metallic constituent
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- C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/61—Joining two substrates of which at least one is porous by infiltrating the porous substrate with a liquid, such as a molten metal, causing bonding of the two substrates, e.g. joining two porous carbon substrates by infiltrating with molten silicon
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- H—ELECTRICITY
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/095—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00 with a principal constituent of the material being a combination of two or more materials provided in the groups H01L2924/013 - H01L2924/0715
- H01L2924/097—Glass-ceramics, e.g. devitrified glass
- H01L2924/09701—Low temperature co-fired ceramic [LTCC]
Description
セラミック焼結板の大きさは、適宣、用途に応じて変わるが、厚さは薄い程良好で、0.01mm〜1mmのものが、工程中のハンドリングや、出来上がった放熱基板の電気絶縁性、熱拡散率の低下を防ぐために好ましい。
窒化物系は、熱拡散率が酸化物系より高いので、1mm程度の板厚でも、放熱基板としての性能は優れたものが得られる。
金型
2.
加圧パンチ
3.
電気絶縁性セラミック板
4.
黒鉛板
5.
金属溶湯
6.
補助治具
Claims (3)
- セラミック焼結板と黒鉛板を密接するように金型内に配置した後、1100℃以下の融点の金属又は合金の溶湯を注ぎ、10MPa以上の圧力を加えて、金属又は合金を凝固鋳造し、セラミック焼結板と金属又は合金が含浸された黒鉛板の接合された部分をとりだすことを特徴とする電気絶縁性を有する放熱基板の製造方法。
- セラミック焼結板が、その電気比抵抗値が1×106Ω・cm以上である請求項1記載の放熱基板の製造方法。
- 黒鉛板が、電極用黒鉛ブロックから切り出したもの、或いは人工黒鉛粉、天然黒鉛粉又は黒鉛繊維の1種以上のものから成形したものであって、黒鉛の体積率が60%以上のものである請求項1又は2記載の放熱基板の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009055815A JP5467782B2 (ja) | 2009-03-10 | 2009-03-10 | 電気絶縁性を有する放熱基板の製造方法 |
PCT/IB2009/006062 WO2010103346A1 (en) | 2009-03-10 | 2009-06-05 | An electrically insulating heat radiator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009055815A JP5467782B2 (ja) | 2009-03-10 | 2009-03-10 | 電気絶縁性を有する放熱基板の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012050987A JP2012050987A (ja) | 2012-03-15 |
JP5467782B2 true JP5467782B2 (ja) | 2014-04-09 |
Family
ID=42727846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2009055815A Expired - Fee Related JP5467782B2 (ja) | 2009-03-10 | 2009-03-10 | 電気絶縁性を有する放熱基板の製造方法 |
Country Status (2)
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JP (1) | JP5467782B2 (ja) |
WO (1) | WO2010103346A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013229553A (ja) * | 2012-03-30 | 2013-11-07 | Gigaphoton Inc | レーザ装置及び極端紫外光生成装置 |
CN110504231B (zh) * | 2019-09-18 | 2021-03-02 | 北京大学东莞光电研究院 | 一种半导体功率器件的制备方法 |
CN116283326B (zh) * | 2023-02-22 | 2024-04-16 | 陕西天策新材料科技有限公司 | 一种碳纤维增强陶瓷封装石墨导热板及其制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11126870A (ja) * | 1997-10-21 | 1999-05-11 | Denso Corp | フィン一体型放熱板及びその製造方法 |
JPH1187581A (ja) * | 1997-09-01 | 1999-03-30 | Toyota Central Res & Dev Lab Inc | 金属基複合材料部品及びその製造方法 |
JP3351778B2 (ja) * | 1999-06-11 | 2002-12-03 | 日本政策投資銀行 | 炭素基金属複合材料板状成形体および製造方法 |
JP2002043482A (ja) * | 2000-05-17 | 2002-02-08 | Ngk Insulators Ltd | 電子回路用部材及びその製造方法並びに電子部品 |
WO2008123172A1 (ja) * | 2007-03-27 | 2008-10-16 | Ngk Insulators, Ltd. | ヒートスプレッダモジュール、ヒートシンク及びそれらの製法 |
-
2009
- 2009-03-10 JP JP2009055815A patent/JP5467782B2/ja not_active Expired - Fee Related
- 2009-06-05 WO PCT/IB2009/006062 patent/WO2010103346A1/en active Application Filing
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Publication number | Publication date |
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JP2012050987A (ja) | 2012-03-15 |
WO2010103346A1 (en) | 2010-09-16 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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LAPS | Cancellation because of no payment of annual fees |