JPWO2016017299A1 - センサおよびその製造方法 - Google Patents
センサおよびその製造方法 Download PDFInfo
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- JPWO2016017299A1 JPWO2016017299A1 JP2016538207A JP2016538207A JPWO2016017299A1 JP WO2016017299 A1 JPWO2016017299 A1 JP WO2016017299A1 JP 2016538207 A JP2016538207 A JP 2016538207A JP 2016538207 A JP2016538207 A JP 2016538207A JP WO2016017299 A1 JPWO2016017299 A1 JP WO2016017299A1
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- circuit board
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- circuit module
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Abstract
Description
以下の実施例は、基板を用いたインサートモールド成形の例として、自動車の内燃機関に搭載される吸入空気量センサを例に挙げて説明する。吸入空気量センサとは気体(空気)の流量を測定する流量センサであり、内燃機関に搭載されている電子制御燃料噴射装置による吸入空気量制御に利用するために設置されている。吸入空気量センサには薄肉のダイヤフラムを有するセンサチップが用いられており、センサチップでの計測データを、制御チップで収集・補正し、外部に出力する仕組みとなっている。
例えば、部材21の弾性係数と、プリント基板1の弾性係数の比較は、温度25℃(室温)で比較することが望ましい。また、弾性係数の比較は、部材21の弾性係数と、プリント基板1を構成する基材の弾性係数の間で行なうことができる。
以上では、部材21とプリント基板1の弾性係数の比較について説明したが、その基本理念は、プリント基板1よりも硬さが柔らかい部材21を使用する点にある。ここでいう硬さは、例えば、室温でのビッカース硬さ、マイクロビッカース硬さ、ブリネル硬さ、あるいは、ロックウェル硬さのいずれかで比較することができる。
次に、実施例1のプリント基板1において、配線の上に配線保護レジストを配置した場合について説明する。
上述の部材21は、図5に示す回路基板の構成においても適用が可能である。この場合、部材21が回路基板よりも弾性係数が低いという条件を満たしていれば、配線保護レジスト23と同一な材料を使用することも可能である。この実施例においては、配線保護レジスト23の設置工程で部材21の設置も同時にできるため、工程簡略化が可能となる。
実施の形態3の回路モジュールの実装構成を図8に示す。実施例1、2と大きく異なる点は、図8〜11に示されている接合部27の領域にも、実施例1、2における部材21に相当する部材24が追加されている点である。
本実施例は、クランプ部15と接合部27にも導体配線22が配置されている回路基板について本発明を適用した実施例である。
Claims (6)
- 半導体部品が実装されたプリント基板を含み、該プリント基板上の前記半導体部品が搭載されていない領域が第一の樹脂で覆われたインサートモールド品において、
前記プリント基板の主面と前記第一の樹脂とが重なる領域の外側に、前記プリント基板の材料の弾性率よりも、小さい弾性率を有する第二の樹脂が設置されていることを特徴とするインサートモールド品構造。 - 請求項1記載のインサートモールド品構造であって、プリント基板に流量センシング用半導体を露出した状態で設置したことを特徴とするセンサ構造。
- 請求項1、2記載のセンサ構造であって、前記プリント基板に設置される前記第二の樹脂が、前記第一の樹脂と接していることを特徴とするセンサ構造。
- 請求項1、2記載のセンサ構造であって、前記プリント基板に設置される前記第二の樹脂は前記プリント基板上に形成された導体配線上に設置される材料と同一であることを特徴とするセンサ構造。
- 請求項1、2記載のセンサ構造であって、前記プリント基板に設置される前記第二の樹脂が前記第一の樹脂とプリント基板とが重なる領域に設置されていることを特徴とするセンサ構造。
- 請求項1記載のインサートモールド品構造を有するセンサ。
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US10158357B1 (en) | 2016-04-05 | 2018-12-18 | Vlt, Inc. | Method and apparatus for delivering power to semiconductors |
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JP6866121B2 (ja) * | 2016-11-14 | 2021-04-28 | 日立Astemo株式会社 | 半導体モジュール |
JP6825594B2 (ja) * | 2018-03-09 | 2021-02-03 | オムロン株式会社 | 電子装置およびその製造方法 |
WO2019225073A1 (ja) * | 2018-05-22 | 2019-11-28 | 日立オートモティブシステムズ株式会社 | 物理量検出装置 |
DE102020211142B4 (de) * | 2020-09-03 | 2022-08-18 | Vitesco Technologies GmbH | Gassensor für ein Fahrzeug |
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