JP2020077781A - 電子部品及び電子部品の製造方法 - Google Patents
電子部品及び電子部品の製造方法 Download PDFInfo
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- JP2020077781A JP2020077781A JP2018210652A JP2018210652A JP2020077781A JP 2020077781 A JP2020077781 A JP 2020077781A JP 2018210652 A JP2018210652 A JP 2018210652A JP 2018210652 A JP2018210652 A JP 2018210652A JP 2020077781 A JP2020077781 A JP 2020077781A
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- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49537—Plurality of lead frames mounted in one device
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- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
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- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
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- H01L24/97—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips the devices being connected to a common substrate, e.g. interposer, said common substrate being separable into individual assemblies after connecting
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Abstract
Description
[リードフレームの構成]
図1は、実施例1に係るリードフレームの概略断面図である。以下の説明では、図1における紙面に向かって上側の面を表面といい、紙面に向かって裏側の面の裏面と言う。図2Aは、実施例1に係るリードフレームの表面型の斜視図である。図2Bは、実施例1に係るリードフレームの裏面側の斜視図である。
図3Aは、実施例1に係る部品内蔵基板の表面側の斜視図である。また、図3Bは、実施例1に係る部品内蔵基板の裏面側の斜視図である。さらに、図4は、実施例1に係る部品内蔵基板の概略断面図である。図3A及び3Bでは、構造を分かり易くするため、図4における封止樹脂23の図示を省略した。
まず、図5Aに示す外部リードフレーム100及び図6Aに示す内部リードフレーム200を用意する。図5Aは、外部リードフレームの平面図である。図5Bは、外部リードの斜視図である。図6Aは、内部リードフレームの平面図である。図6Bは、内部リードの斜視図である。
次に、上述した製造方法により生成されたリードフレーム1を用いた部品内蔵基板50の製造方法を説明する。図19は、電子部品を実装した状態を表す図である。
図1、2A及び2Bなどに示したリードフレーム10を以下のような配置にすることも可能である。リードフレーム10の内部リード13の外部リード11側の面に、コンバータIC22又は受動部品21を配置する。また、リードフレーム10の内部リード13の封止樹脂14からの露出面に、インダクタ20を搭載する。
図21Aは、実施例2に係る部品内蔵基板の表面側の斜視図である。また、図21Bは、実施例2に係る部品内蔵基板の裏面側の斜視図である。さらに、図22は、実施例2に係る部品内蔵基板の概略断面図である。
図23Aは、実施例3に係る部品内蔵基板の表面側の斜視図である。また、図23Bは、実施例3に係る部品内蔵基板の裏面側の斜視図である。さらに、図24は、実施例3に係る部品内蔵基板の概略断面図である。
10 単位リードフレーム
11 外部リード
12 ポスト
12A〜12C 厚銅板
13,13A,13B 内部リード
14 封止樹脂
15 溝
16,17 めっき
20 インダクタ
21 受動部品
22 コンバータIC
23 封止樹脂
50 部品内蔵基板
100 外部リードフレーム
101 フレーム部
111 電極面
112 側面
131 電極面
300 内部リードフレーム
301 フレーム部
Claims (10)
- 外部リード、前記外部リードに対向する位置に設けられた内部リード、及び、前記外部リードと内部リードとの間に設けられ前記外部リードと前記内部リードとを接続する金属柱を有する金属部材と、
前記外部リードと前記内部リードとの間に設けられ、前記外部リード又は前記内部リードに接続された部品と、
前記金属部材と前記部品とを封止する樹脂部材と
を備えたことを特徴とする電子部品。 - 前記金属柱は、1つの金属片であること特徴とする請求項1に記載の電子部品。
- 前記金属柱は、複数の金属片を重ねて形成されたこと特徴とする請求項1に記載の電子部品。
- 複数の前記金属部材のそれぞれの前記内部リードの一端が繋がる枠を複数有するフレーム部材を備え、
前記枠毎に、前記金属部材に前記部品が接続され、
前記樹脂部材は、前記フレーム部材の各前記枠に繋がる複数の前記金属部材及び複数の前記部品を封止する
ことを特徴とする請求項1〜3のいずれか一つに記載の電子部品。 - 前記樹脂部材は、前記外部リードにおける前記一端側の面が露出するように溝が設けられたことを特徴とする請求項4に記載の電子部品。
- 前記内部リードの前記一端が他の部分に比べて薄く形成されていることを特徴とする請求項4又は5に記載の電子部品。
- 前記樹脂部材は、磁性材入り樹脂であることを特徴とする請求項1〜6のいずれか一つに記載の電子部品。
- 前記部品は、受動部品又は能動部品であることを特徴とする請求項1〜7のいずれか一つに記載の電子部品。
- 前記樹脂部材から露出する前記内部リードの表面に、他の部品が接続されていることを特徴とする請求項1〜8のいずれか一つに記載の電子部品。
- 外部リードと、金属柱と、内部リードとを順に積層して接合し、金属部材を形成する工程と、
前記内部リードと外部リードとの間に部品を配置し、前記外部リード又は前記内部リードに前記部品を接続する工程と、
前記金属部材と前記部品とを樹脂封止する工程と
を含むことを特徴とする電子部品の製造方法。
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JP2014096446A (ja) | 2012-11-08 | 2014-05-22 | Ibiden Co Ltd | 電子部品内蔵配線板およびその製造方法 |
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JP2003023134A (ja) * | 2001-07-09 | 2003-01-24 | Hitachi Ltd | 半導体装置およびその製造方法 |
JP2007157877A (ja) * | 2005-12-02 | 2007-06-21 | Sony Corp | 受動素子パッケージ及びその製造方法、半導体モジュール、並びにこれらの実装構造 |
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