JP2009158830A - 素子搭載用基板およびその製造方法、半導体モジュールおよびその製造方法、ならびに携帯機器 - Google Patents
素子搭載用基板およびその製造方法、半導体モジュールおよびその製造方法、ならびに携帯機器 Download PDFInfo
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Abstract
【解決手段】素子搭載用基板10は、絶縁性の樹脂で形成された絶縁樹脂層12と、絶縁樹脂層12の一方の主表面S1に設けられた配線層14と、配線層14と電気的に接続されるとともに、配線層14から絶縁樹脂層12と反対側に突出し、低融点金属ボール18を支持するための突起部16と、を備える。配線層14および突起部16は一体的に形成されている。
【選択図】図1
Description
図1は、実施形態1に係る素子搭載用基板10およびこれを用いた半導体モジュール30の構成を示す概略断面図である。半導体モジュール30は、素子搭載用基板10およびこれに搭載された半導体素子50を備える。
図2(A)〜(D)は、突起電極22の形成方法を示す工程断面図である。
上述の実施形態1では、銅板13と半導体素子50との間に絶縁樹脂層12を挟持して加圧成形した後に、突起部16を形成したが、以下のようにして素子搭載用基板10あるいは半導体モジュール30を形成してもよい。以下、本実施形態について説明する。なお、突起電極22の形成方法については、実施形態1と同様である。また、実施形態1と同一の構成については同一の符号を付し、その説明は省略する。
次に、本発明の半導体モジュールを備えた携帯機器について説明する。なお、携帯機器として携帯電話に搭載する例を示すが、たとえば、個人用携帯情報端末(PDA)、デジタルビデオカメラ(DVC)、及びデジタルスチルカメラ(DSC)といった電子機器であってもよい。
Claims (16)
- 絶縁樹脂層と、
前記絶縁樹脂層の一方の主表面に設けられた配線層と、
前記配線層と電気的に接続されるとともに、前記配線層から前記絶縁樹脂層とは反対側に突出し、接続用金属を支持するための突起部と、を備え、
前記配線層および突起部は一体的に形成されていることを特徴とする素子搭載用基板。 - 絶縁樹脂層と、
前記絶縁樹脂層の一方の主表面に設けられた配線層と、
前記配線層と電気的に接続されるとともに、前記配線層から前記絶縁樹脂層とは反対側に突出している突起部と、
前記配線層の、前記突起部の突設された領域に設けられた接続用金属と、を備え、
前記配線層および突起部は一体的に形成されていることを特徴とする素子搭載用基板。 - 前記接続用金属は、前記突起部の表面全体を被覆していることを特徴とする請求項1または2に記載の素子搭載用基板。
- 前記突起部の側面に凹凸が形成されていることを特徴とする請求項1ないし3のいずれか1項に記載の素子搭載用基板。
- 前記凹凸の十点平均粗さ(Rz)は、0.5〜3.0μmの範囲であることを特徴とする請求項4に記載の素子搭載用基板。
- 前記配線層および突起部は、圧延金属からなることを特徴とする請求項1ないし5のいずれか1項に記載の素子搭載用基板。
- 前記突起部の側面は、前記配線層の主表面から突起部の頂部に近づくにつれて径が縮小するテーパ形状であることを特徴とする請求項1ないし6のいずれか1項に記載の素子搭載用基板。
- 前記突起部に対応する領域に形成された開口部を有し、前記突起部が突出している側の前記配線層の主表面に、前記開口部から突起部が突出するように設けられた保護層を備え、
前記接続用金属は、その一部が前記開口部の内側面に当接していることを特徴とする請求項2ないし7のいずれか1項に記載の素子搭載用基板。 - 前記接続用金属は、前記突起部の頂部面に形成されていることを特徴とする請求項2に記載の素子搭載用基板。
- 請求項1ないし9のいずれか1項に記載の素子搭載用基板と、
前記素子搭載用基板に搭載された半導体素子と、
を備えたことを特徴とする半導体モジュール。 - 前記素子搭載用基板は、前記配線層と電気的に接続され、前記配線層から前記絶縁樹脂層側に突出している突起電極を有し、
前記半導体素子は、前記突起電極に対向する素子電極を有し、
前記突起電極が前記絶縁樹脂層を貫通し、前記突起電極と前記素子電極とが電気的に接続されていることを特徴とする請求項10に記載の半導体モジュール。 - 請求項10または11に記載の半導体モジュールを搭載したことを特徴とする携帯機器。
- 絶縁樹脂層の一方の主表面に金属板を積層する工程と、
前記絶縁樹脂層とは反対側の前記金属板の主表面を選択的に除去して、接続用金属を支持するための突起部を形成する工程と、
前記金属板を選択的に除去して配線層を形成する工程と、
を含むことを特徴とする素子搭載用基板の製造方法。 - 絶縁樹脂層の一方の主表面に金属板を積層する工程と、
前記絶縁樹脂層とは反対側の前記金属板の主表面を選択的に除去して突起部を形成する工程と、
前記金属板を選択的に除去して配線層を形成する工程と、
前記配線層の、前記突起部の形成された領域に接続用金属を設ける工程と、
を含むことを特徴とする素子搭載用基板の製造方法。 - 前記突起部の側面に凹凸を形成する工程を含むことを特徴とする請求項13または14に記載の素子搭載用基板の製造方法。
- 一方の主表面に突起電極が突設された金属板を準備する工程と、
前記金属板と、前記突起電極に対応する素子電極が設けられた半導体素子とを、絶縁樹脂層を介して圧着し、前記突起電極が前記絶縁樹脂層を貫通することにより、前記突起電極と前記素子電極とを電気的に接続させる圧着工程と、
前記金属板の他方の主表面を選択的に除去して突起部を形成する工程と、
前記金属板を選択的に除去して配線層を形成する工程と、
前記配線層の、前記突起部の形成された領域に接続用金属を設ける工程と、
を含むことを特徴とする半導体モジュールの製造方法。
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JP2007337700A JP2009158830A (ja) | 2007-12-27 | 2007-12-27 | 素子搭載用基板およびその製造方法、半導体モジュールおよびその製造方法、ならびに携帯機器 |
CN2008101910511A CN101499443B (zh) | 2007-12-27 | 2008-12-26 | 元件安装用基板、半导体组件及便携式设备 |
US12/345,170 US20090183906A1 (en) | 2007-12-27 | 2008-12-29 | Substrate for mounting device and method for producing the same, semiconductor module and method for producing the same, and portable apparatus provided with the same |
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JPWO2011136363A1 (ja) * | 2010-04-28 | 2013-07-22 | 三洋電機株式会社 | 回路装置の製造方法 |
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US8153905B2 (en) * | 2009-02-27 | 2012-04-10 | Ibiden Co., Ltd. | Method for manufacturing printed wiring board and printed wiring board |
JP5914867B2 (ja) * | 2012-06-01 | 2016-05-11 | パナソニックIpマネジメント株式会社 | パワー半導体装置 |
KR20140143567A (ko) * | 2013-06-07 | 2014-12-17 | 삼성전기주식회사 | 반도체 패키지 기판 및 반도체 패키지 기판 제조 방법 |
JP2020188209A (ja) * | 2019-05-16 | 2020-11-19 | イビデン株式会社 | プリント配線板とプリント配線板の製造方法 |
JP2021093417A (ja) * | 2019-12-09 | 2021-06-17 | イビデン株式会社 | プリント配線板、及び、プリント配線板の製造方法 |
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