JP6353645B2 - アルミベース回路基板 - Google Patents
アルミベース回路基板 Download PDFInfo
- Publication number
- JP6353645B2 JP6353645B2 JP2013225614A JP2013225614A JP6353645B2 JP 6353645 B2 JP6353645 B2 JP 6353645B2 JP 2013225614 A JP2013225614 A JP 2013225614A JP 2013225614 A JP2013225614 A JP 2013225614A JP 6353645 B2 JP6353645 B2 JP 6353645B2
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- Japan
- Prior art keywords
- aluminum
- circuit board
- resin
- base circuit
- insulating layer
- 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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- 229910052782 aluminium Inorganic materials 0.000 title claims description 117
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 117
- 239000000758 substrate Substances 0.000 claims description 94
- 229920005989 resin Polymers 0.000 claims description 28
- 239000011347 resin Substances 0.000 claims description 28
- 238000000465 moulding Methods 0.000 claims description 19
- 238000003475 lamination Methods 0.000 claims description 16
- 229910000838 Al alloy Inorganic materials 0.000 claims description 14
- 238000000137 annealing Methods 0.000 claims description 13
- 229920006015 heat resistant resin Polymers 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- -1 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000004962 Polyamide-imide Substances 0.000 claims description 3
- 229920002312 polyamide-imide Polymers 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 2
- 229920000106 Liquid crystal polymer Polymers 0.000 claims description 2
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims description 2
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 2
- 239000004695 Polyether sulfone Substances 0.000 claims description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 2
- 229920006393 polyether sulfone Polymers 0.000 claims description 2
- 229920002530 polyetherether ketone Polymers 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 239000009719 polyimide resin Substances 0.000 claims description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 40
- 230000000052 comparative effect Effects 0.000 description 18
- 238000010438 heat treatment Methods 0.000 description 15
- 230000017525 heat dissipation Effects 0.000 description 9
- 239000000203 mixture Substances 0.000 description 6
- 238000007665 sagging Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 239000003822 epoxy resin Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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- Insulated Metal Substrates For Printed Circuits (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Description
そこで本願出願人等が原因を追及したところ、絶縁層をアルミ基板に積層するための成形温度がアルミ基板の焼鈍温度を越えてしまい、アルミ基板が柔らかくなっていたことが判明した。
その他、ダレ性、高温耐久性についても試験した。
1a プレス切断部
3 アルミ基板
5 絶縁層
7 配線パターン
Claims (4)
- アルミ基板の一側面に積層した絶縁層を介して配線パターンを形成するアルミベース回路基板であって、
前記絶縁層は、250℃を上回る温度範囲に前記積層を行うための成形温度を持つ高耐熱性の樹脂で形成し、
前記アルミ基板は、前記成形温度を上回る温度範囲に焼鈍温度を持ちAlを主体とするアルミ合金で形成し、
前記アルミ基板は、前記絶縁層の積層結合を促進するための皮膜処理を前記絶縁層及びアルミ基板間で表面に施し、
前記絶縁層は一側面の全体に積層され、
前記アルミ基板は、前記絶縁層を介し配線パターンを形成した状態で機械加工を受けても0.15〜0.2mmの範囲の基板平面度を維持した、
ことを特徴とするアルミベース回路基板。 - 請求項1記載のアルミベース回路基板であって、
前記アルミ基板は、前記皮膜処理を施す表面が表面粗化されている、
ことを特徴とするアルミベース回路基板。 - 請求項1又は2記載のアルミベース回路基板であって、
前記アルミ合金は、Mn=0.05〜1.0重量%、Mg=3.5〜5.6重量%、Cr=0.05〜0.25重量%を含有する、
ことを特徴とするアルミベース回路基板。 - 請求項1〜3の何れか1項記載のアルミベース回路基板であって、
前記絶縁層を構成する樹脂がポリイミド樹脂、ポリアミドイミド樹脂、ポリフェニレンサルファイド樹脂、ポリエーテルサルホン樹脂、フッ素系樹脂、ポリエーテルエーテルケトン樹脂、液晶ポリマー、ポリエチレンテレフタレート樹脂、ポリブチレンテレフタレート樹脂の何れかである、
ことを特徴とするアルミベース回路基板。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013225614A JP6353645B2 (ja) | 2013-10-30 | 2013-10-30 | アルミベース回路基板 |
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---|---|---|---|
JP2013225614A JP6353645B2 (ja) | 2013-10-30 | 2013-10-30 | アルミベース回路基板 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015088612A JP2015088612A (ja) | 2015-05-07 |
JP6353645B2 true JP6353645B2 (ja) | 2018-07-04 |
Family
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JP2013225614A Active JP6353645B2 (ja) | 2013-10-30 | 2013-10-30 | アルミベース回路基板 |
Country Status (1)
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JP (1) | JP6353645B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5963912B1 (ja) * | 2015-05-14 | 2016-08-03 | 三菱電機株式会社 | 半導体モジュール |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0862789A4 (en) * | 1995-11-22 | 1999-07-07 | Olin Corp | SEMICONDUCTOR HOUSING WITH A GROUNDING OR POWER SUPPLY RING |
JP2001007466A (ja) * | 1999-06-21 | 2001-01-12 | Sumitomo Electric Ind Ltd | 高周波回路基板及びその製造方法 |
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2013
- 2013-10-30 JP JP2013225614A patent/JP6353645B2/ja active Active
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