JP6612723B2 - 基板装置 - Google Patents
基板装置 Download PDFInfo
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- JP6612723B2 JP6612723B2 JP2016237622A JP2016237622A JP6612723B2 JP 6612723 B2 JP6612723 B2 JP 6612723B2 JP 2016237622 A JP2016237622 A JP 2016237622A JP 2016237622 A JP2016237622 A JP 2016237622A JP 6612723 B2 JP6612723 B2 JP 6612723B2
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- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
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Description
実施形態1の基板装置は、基板に実装された電子部品の熱を外部又は他の部品に伝達するヒートパスを備える基板装置である。図1は、実施形態1の基板装置1を示す図である。基板装置1は、実装基板10と、樹脂20と、シート30と、ヒートパス40と、を備える。ヒートパス40は、ヒートパス41及びヒートパス42の2つから構成される。
実施形態1の基板装置1が備える実装基板10は片面実装基板であった。しかしながら、実装基板10は両面実装基板であってもよい。以下、両面実装基板の実装基板10を備える基板装置2について説明する。
実施形態1の基板装置1が備えるシート30は1枚の平坦なシートであった。しかしながら、シート30には平坦なシートに限られない。例えば、シート30には凹部が設けられていてもよい。以下、凹部が設けられたシート30を備える基板装置3について説明する。
実装基板10と樹脂20との間に形成された隙間が導波管と同様の効果を発揮して電磁波の通路となることがある。この場合、電子部品12が発した電磁波が隙間を通って他の電子部品12に伝達されることになるが、実装基板10とヒートパス41との間に樹脂20を配置しない場合より大きな電磁波が伝達される。そこで、シート30を電磁波吸収性シートとすることで電磁波の伝達を抑制する。以下、シート30を電磁波吸収性シートとした基板装置4について説明する。
実施形態1〜4の基板装置は、実装基板10と樹脂20との間にシート30を備えた。しかし、実装基板10と樹脂20との間にシート30を設けないようにすることも可能である。以下、実装基板10と樹脂20との間にシート30を備えない基板装置5について説明する。
実施形態1の基板装置1が備えるシート30は1枚の平坦なシートであった。しかしながら、シート30には平坦なシートに限られない。例えば、シート30にはドーム状の突出部が設けられていてもよい。以下、実施形態6の基板装置6について説明する。
実施形態5の基板装置5は、樹脂20の実装基板10側の表面は平坦であった。しかし、樹脂20の実装基板10側の表面には、実施形態5のシート30と同様に、ドーム状の突出部が形成されていてもよい。以下、実施形態7の基板装置7について説明する。
10…実装基板
11…プリント基板
12…電子部品
12a…端子
13…導体露出部
20…樹脂
21…非嵌合部
22、31…凹部
23、33…突出部
30…シート
30a…電磁波吸収性シート
30b…絶縁シート
32…絶縁膜
40、41、42…ヒートパス
50…絶縁材
51、52…絶縁性樹脂
A、D…空洞
B、C…気泡
E1、E2…空間
T1、T2…頂部
Claims (13)
- 電子部品と少なくとも一方の面に前記電子部品が実装されるプリント基板とを備える実装基板と、
前記実装基板の実装面と対向する位置に配置されたヒートパスと、
前記実装面上に配置されたシートと、
前記シートと前記ヒートパスとの間に配置された樹脂と、を備え、
前記電子部品と前記プリント基板の段差部分には、前記シートと前記実装面とで囲まれた空洞が形成されており、
前記シートの前記実装面側の面には、ドーム状の突出部が複数形成されている、
基板装置。 - 前記実装基板に実装された前記電子部品には、端子が側面から突出する側面突出型半導体パッケージが含まれ、
前記空洞は、前記側面突出型半導体パッケージの端子部分に形成されている、
請求項1に記載の基板装置。 - 前記シートは、少なくとも前記実装面側が非接着性の表面となっている、
請求項1又は2に記載の基板装置。 - 前記樹脂は、金属粉が混ぜ込まれた樹脂であり、
前記シートは絶縁シートである、
請求項1乃至3のいずれか1項に記載の基板装置。 - 前記樹脂は、電磁波吸収性を有する樹脂であり、
前記シートは絶縁シートである、
請求項1乃至3のいずれか1項に記載の基板装置。 - 前記実装基板は、両面が前記実装面となっており、両面側に、前記ヒートパス、前記シート、及び前記樹脂が配置されている、
請求項1乃至5のいずれか1項に記載の基板装置。 - 前記シートは、電磁波吸収性シートであり、
前記シートの前記実装面側の表面うち、前記実装面の導体露出部に対向する部分には、絶縁膜が形成されている、
請求項1乃至6のいずれか1項に記載の基板装置。 - 前記シートは、電磁波吸収性シートであり、
前記実装面の導体露出部に対応する部分と前記シートとの間には、絶縁材が配置されている、
請求項1乃至6のいずれか1項に記載の基板装置。 - 前記シートは電磁波吸収性シートと絶縁シートとから構成されており、
前記絶縁シートは、前記シートのうち、前記実装面の導体露出部に対向する部分に配置されている、
請求項1乃至6のいずれか1項に記載の基板装置。 - 少なくとも一方の面が電子部品の実装面となった実装基板と、
前記実装面と対向する位置に配置されたヒートパスと、
前記実装基板と対向する面が前記実装面と嵌合可能な形状となっており、前記実装面に嵌め合わされた状態で、前記実装基板と前記ヒートパスとの間に配置された樹脂と、を備え、
前記樹脂の前記実装面に嵌め合わされた面の一部には、前記樹脂と前記実装面とを離間させ、前記実装基板上に前記樹脂と前記実装面とで囲まれた空洞を形成する非嵌合部が設けられており、
前記樹脂の前記実装面側の面には、ドーム状の突出部が複数形成されている、
基板装置。 - 前記実装基板に実装される前記電子部品には、端子が側面から突出する側面突出型半導体パッケージが含まれ、
前記非嵌合部は、前記樹脂の前記実装面側の表面のうち、前記側面突出型半導体パッケージの端子部分に対応する位置に設けられている、
請求項10に記載の基板装置。 - 前記樹脂は、少なくとも前記実装面側が非接着性の表面となっている、
請求項10又は11に記載の基板装置。 - 前記実装基板は、両面が前記実装面となっており、両面側に、前記ヒートパス、及び前記樹脂が配置されている、
請求項10乃至12のいずれか1項に記載の基板装置。
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JP2016237622A JP6612723B2 (ja) | 2016-12-07 | 2016-12-07 | 基板装置 |
EP17190322.2A EP3334258A1 (en) | 2016-12-07 | 2017-09-11 | Circuit board device |
US15/701,625 US20180160525A1 (en) | 2016-12-07 | 2017-09-12 | Circuit board device |
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JP2016237622A JP6612723B2 (ja) | 2016-12-07 | 2016-12-07 | 基板装置 |
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