JP2001015976A - Wiring board with shield cap and its manufacture - Google Patents

Wiring board with shield cap and its manufacture

Info

Publication number
JP2001015976A
JP2001015976A JP11184721A JP18472199A JP2001015976A JP 2001015976 A JP2001015976 A JP 2001015976A JP 11184721 A JP11184721 A JP 11184721A JP 18472199 A JP18472199 A JP 18472199A JP 2001015976 A JP2001015976 A JP 2001015976A
Authority
JP
Japan
Prior art keywords
shield cap
wiring board
cap
mounting
solder
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.)
Pending
Application number
JP11184721A
Other languages
Japanese (ja)
Inventor
Sotaro Tsukamoto
宗太郎 塚本
Yukio Yagi
幸夫 八木
Yasuhiro Iwata
康広 岩田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Priority to JP11184721A priority Critical patent/JP2001015976A/en
Publication of JP2001015976A publication Critical patent/JP2001015976A/en
Pending legal-status Critical Current

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  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

PROBLEM TO BE SOLVED: To obtain a wiring board with shield cap the shield cap of which can be joined simultaneously to the wiring board at the time of mounting an element on the board, in a state where heat and gases generated inside the cap can be discharged easily to the outside and such a failure as the void, etc., hardly occurs at the element mounting section of the board and the junction of the cap. SOLUTION: The mounting pad of an element and the joining pad of a shield cap 2 are provided on the outermost surface of a wiring board 1 so that solder may be applied simultaneously to the pads. In addition, openings are provided on the side faces of the cap 2 and utilized as vent holes or convective heat transfer paths at solder reflowing time. Since the openings effectively work as the convective heat transfer paths when the cap is joined to the board 1 simultaneously at the time of mounting the element on the board 1, the soldered state of the element can be improved. In addition, the openings can be utilized effectively at the time of washing the residue of soldering flax, etc.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、シールドキャップ付き
配線基板及びその製造方法に関する。更に詳しくは、高
周波用途に適したシールドキャップ付き配線基板及びそ
の製造方法に関する。本発明は、無線通信、家電製品、
コンピュータ等に用いるVCO等のモジュール部品、ハ
イブリットIC等のパッケージ及びそれに用いるシール
ドキャップ付き配線基板及びその製造方法に好適であ
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring board with a shield cap and a method of manufacturing the same. More specifically, the present invention relates to a wiring board with a shield cap suitable for high frequency applications and a method for manufacturing the same. The invention relates to wireless communications, home appliances,
It is suitable for a module component such as a VCO used for a computer or the like, a package for a hybrid IC or the like, a wiring board with a shield cap used therefor, and a method of manufacturing the same.

【0002】[0002]

【従来の技術】高周波で用いられる配線基板には、電磁
波ノイズを遮蔽したり、搭載素子を保護するためのシー
ルドキャップが実装面上に装着される。シールドキャッ
プ付き配線基板に関する従来技術が、特開昭54−18
273号公報、特開昭63−314898号公報、特開
昭63−314899号公報、特開平2−78298号
公報、特開平3−27611号公報、特開平4−216
652号公報、特開平8−97318号公報、特公平8
−15236号公報等に開示されている。
2. Description of the Related Art A shield cap for shielding electromagnetic noise and protecting a mounted element is mounted on a mounting surface of a wiring board used at a high frequency. A prior art relating to a wiring board with a shield cap is disclosed in Japanese Patent Application Laid-Open No. 54-18 / 1979.
273, JP-A-63-314898, JP-A-63-314899, JP-A-2-78298, JP-A-3-27611, JP-A-4-216
652, JP-A-8-97318, JP-B-8
No. -15236.

【0003】通常、シールドキャップは、ハンダや接着
剤等を用いて接合される。例えば、パンダペーストを用
いてリフロー炉を通してハンダ接合する方法が簡便でよ
く用いられる。一般的には以下のような工程が必要であ
る(図6を参照)。
[0003] Usually, the shield cap is joined using solder, adhesive or the like. For example, a method of soldering through a reflow furnace using a panda paste is simple and often used. Generally, the following steps are required (see FIG. 6).

【0004】まず、配線基板の実装面上に形成された実
装パッド上に、スクリーン印刷法でハンダペーストを塗
布する。次いで素子を載せて、リフロー炉でハンダを溶
融させて素子をハンダ実装する。
First, a solder paste is applied by a screen printing method on a mounting pad formed on a mounting surface of a wiring board. Next, the element is placed, and the solder is melted in a reflow furnace to mount the element by soldering.

【0005】その後、配線基板の実装面上に形成された
シールドキャップ接合用のシールリング上に、スクリー
ン印刷法でより低融点のハンダペーストを塗布するか、
又は、配線基板側面のキャスタレーション部分にディス
ペンサ装置でハンダペーストを塗布する。次いでシール
ドキャップを載せて、リフロー炉で低融点ハンダを溶融
させてシールドキャップをハンダ接合する。
After that, a lower melting point solder paste is applied by a screen printing method on a seal ring for joining a shield cap formed on a mounting surface of the wiring board, or
Alternatively, a solder paste is applied to the castellation portion on the side surface of the wiring board by a dispenser device. Next, the shield cap is placed, and the low melting point solder is melted in a reflow furnace, and the shield cap is soldered.

【0006】従来のキャスタレーション部分でシールド
キャップを接合した配線基板の例を図7に示す。シール
ドキャップ7の基板側端部に設けられた凸部が、配線基
板6の側面に設けられたキャスタレーション(凹部)に
嵌合されるようにしてハンダ接合されている。
FIG. 7 shows an example of a conventional wiring board in which a shield cap is joined at a castellation portion. The projection provided at the end of the shield cap 7 on the substrate side is soldered so as to fit into the castellation (recess) provided on the side surface of the wiring substrate 6.

【0007】工数低減のためには、実装部品のハンダ付
けとシールドキャップのハンダ接合とを同時に行うのが
好ましい。しかし、前記の従来方法はいずれも実装部品
のハンダ付けとシールドキャップのハンダ接合を別個に
2回に分けて行うものであった。更に、シールリングを
用いる方法においては、実装部品のハンダ付けと従来の
気密封止構造のシールドキャップを同時にハンダ接合す
ると、シールドキャップ中のガス抜けが悪くなり、ハン
ダ接合部にボイドが発生してしまう問題もあった。
In order to reduce the number of steps, it is preferable to perform the soldering of the mounted components and the solder joining of the shield cap at the same time. However, in each of the conventional methods described above, the soldering of the mounted components and the soldering of the shield cap are separately performed twice. Furthermore, in the method using a seal ring, when soldering of the mounted parts and soldering of the shield cap of the conventional hermetic sealing structure are performed at the same time, gas escape in the shield cap becomes worse, and voids are generated in the solder joint. There was also a problem.

【0008】[0008]

【発明が解決しようとする課題】本発明の目的は、従来
別々に行われていた素子の実装とシールドキャップの接
合とを同時に行うことで、信頼性と生産性を向上したシ
ールドキャップ付き配線基板及びその製造方法を提供す
ることを目的とする。無線通信、家庭電化製品、コンピ
ュータ等に用いるハイブリットIC等に好適である。
SUMMARY OF THE INVENTION An object of the present invention is to improve the reliability and productivity of a wiring board with a shield cap by simultaneously mounting elements and joining a shield cap, which have been conventionally performed separately. And a method for producing the same. It is suitable for wireless communication, home appliances, hybrid ICs used for computers, and the like.

【0009】[0009]

【課題を解決するための手段】請求項1の発明は、シー
ルドキャップの接合部と素子の実装部とが配線基板の同
一平面上に形成されるとともに、該シールドキャップの
側面に開口部を有するシールドキャップ付き配線基板を
要旨とする。かかる構成によれば、一度のスクリーン印
刷でシールドキャップの接合部と素子の実装部に同時に
ハンダペーストを塗布することができ、シールドキャッ
プ接合も素子搭載と同時に行え、ハンダリフローも一回
リフロー炉に通すだけですむ。また、シールドキャップ
側面に設けられた開口部は、ハンダリフロー時のガス抜
き孔や対流伝熱路として利用できる。特には、素子の実
装とキャップ接合とを同時に行う場合に対流伝熱路とし
て有効に働くため、素子のハンダ付け状態を良好にでき
る。また、ハンダフラックス等の残留物を洗浄するため
にも有効に利用できる。
According to the first aspect of the present invention, the joint portion of the shield cap and the mounting portion of the element are formed on the same plane of the wiring board, and the opening portion is provided on the side surface of the shield cap. The gist is a wiring board with a shield cap. According to this configuration, the solder paste can be simultaneously applied to the joint portion of the shield cap and the mounting portion of the element by one screen printing, the shield cap joining can be performed simultaneously with the mounting of the element, and the solder reflow can be performed once in the reflow furnace. You only need to pass it. The opening provided on the side surface of the shield cap can be used as a gas vent hole or a convection heat transfer path at the time of solder reflow. In particular, when the mounting of the element and the joining of the cap are performed simultaneously, the element effectively functions as a convection heat transfer path, so that the soldering state of the element can be improved. In addition, it can be effectively used for cleaning residues such as solder flux.

【0010】シールドキャップ側面の開口部の数は1以
上であれば特に制限されないが、ハンダリフロー時の対
流伝熱効率やガス抜け性を良好にするために、2以上の
開口部を設けることが好ましい。この場合、請求項2に
記載の発明のように、2以上の開口部を有する一つのシ
ールドキャップが2以上の接合部に接合された構造(図
4を参照)の配線基板となる。一つのシールドキャップ
の接合部を2以上に分散することで、シールドキャップ
の接合時に発生する応力集中を緩和する効果も得られ
る。
Although the number of openings on the side surface of the shield cap is not particularly limited as long as it is one or more, it is preferable to provide two or more openings in order to improve convection heat transfer efficiency and gas release during solder reflow. . In this case, a wiring board having a structure in which one shield cap having two or more openings is joined to two or more joints as in the invention described in claim 2 (see FIG. 4). By dispersing the joint portion of one shield cap into two or more portions, an effect of alleviating stress concentration generated at the time of joining the shield cap can also be obtained.

【0011】シールドキャップ側面の開口部の形態は特
に制限されない。シールドキャップの側面の一辺にわた
って設けてもよいし(図1)、シールドキャップの側面
の一辺に複数箇所設けてもよい(図2)。また、シール
ドキャップの側面の一辺に限らず、隣り合う他の辺にま
で及んでもよい(図3)。もちろん、各辺毎に図1、図
2のような開口部を設けてもよい。
The form of the opening on the side surface of the shield cap is not particularly limited. It may be provided over one side of the side surface of the shield cap (FIG. 1), or may be provided at a plurality of locations on one side of the side surface of the shield cap (FIG. 2). Further, it is not limited to one side of the side surface of the shield cap, and may extend to another adjacent side (FIG. 3). Of course, an opening as shown in FIGS. 1 and 2 may be provided for each side.

【0012】本発明のシールドキャップ付き配線基板の
好ましい構成を以下に示す。前記シールドキャップの側
面に形成された開口部の長手方向の寸法をL、前記シー
ルドキャップ付き配線基板において使用する信号の最小
管内波長をλ、前記シールドキャップの長手方向の寸法
をA、前記シールドキャップの短手方向の寸法をB、前
記シールドキャップ付き配線基板において使用する信号
の周波数をf、光速をCとした場合において、L、λ、
A、B、f、Cが以下の3つの関係式の少なくとも1種
を満たすことが好ましい。
A preferred configuration of the wiring board with a shield cap according to the present invention will be described below. L is the longitudinal dimension of the opening formed in the side surface of the shield cap, λ is the minimum guide wavelength of a signal used in the wiring board with the shield cap, A is the longitudinal dimension of the shield cap, Where B is the width in the short direction, f is the frequency of a signal used in the wiring board with the shield cap, and C is the speed of light,
It is preferable that A, B, f, and C satisfy at least one of the following three relational expressions.

【0013】(1)L<λ/2の関係式を満たすこと。
これは、シールドキャップの開口部からの電磁波放射を
防止する要件である。すなわち、かかる関係式を満たす
シールドキャップを有する配線基板であれば、素子から
発せられる電磁波がその開口部から放出されることはな
い。
(1) Satisfy the relational expression of L <λ / 2.
This is a requirement for preventing electromagnetic wave radiation from the opening of the shield cap. That is, if the wiring board has the shield cap satisfying the above relational expression, the electromagnetic wave emitted from the element is not emitted from the opening.

【0014】(2)f>C/(2A)の関係式を満たす
こと。これは、シールドキャップの開口部が導波管とし
て動作するのを防止する要件である。すなわち、かかる
関係式を満たすシールドキャップを有する配線基板であ
れば、開口部から使用周波数の信号が漏れるのを遮断す
ることができる。
(2) The relational expression f> C / (2A) must be satisfied. This is a requirement to prevent the opening of the shield cap from operating as a waveguide. That is, if the wiring board has the shield cap satisfying the above relational expression, it is possible to prevent the signal of the used frequency from leaking from the opening.

【0015】(3)f>C×((1/A)2+(1/
B)20.5/2の関係式を満たすこと。これは、シール
ドキャップが共振するのを防止する要件である。すなわ
ち、かかる関係式を満たすシールドキャップを有する配
線基板であれば、使用周波数においてシールドキャップ
が共振することはない。
(3) f> C × ((1 / A) 2 + (1 /
B) 2 ) The relationship of 0.5 / 2 must be satisfied. This is a requirement to prevent the shield cap from resonating. That is, if the wiring board has the shield cap satisfying the above relational expression, the shield cap does not resonate at the operating frequency.

【0016】ここにいう「素子」とは、いわゆる表面実
装型の回路素子をいう。例えば、トランジスタ、ダイオ
ード、チップ型コンデンサ、チップ型抵抗、チップ型コ
イル、フリップチップ実装型ICチップ等を挙げること
ができる。ここにいう「実装部、接合部」とは、ロー材
や導電性接着剤等を用いて素子やシールドリングを配線
基板上に搭載するための実装手段、接合手段をいう。ハ
ンダを用いる場合、実装部と接合部はハンダ耐熱性に優
れた金属層で形成するのが好ましい。Ag、Ag/P
d、Ag/Pt、Cu或いはこれらにニッケルメッキ、
ニッケルメッキ/金メッキを施したものが好ましい。ハ
ンダペースト印刷後は、図4に示すように、実装部品、
シールドキャップの順番に搭載を行い、1回のハンダリ
フローによって同時に配線基板上に搭載される。
The term "element" as used herein refers to a so-called surface mount type circuit element. For example, transistors, diodes, chip capacitors, chip resistors, chip coils, flip-chip mounted IC chips, and the like can be given. The term “mounting portion or joining portion” as used herein means a mounting means or a joining means for mounting an element or a shield ring on a wiring board using a brazing material, a conductive adhesive, or the like. When solder is used, it is preferable that the mounting portion and the joining portion are formed of a metal layer having excellent solder heat resistance. Ag, Ag / P
d, Ag / Pt, Cu or nickel plating on them,
Those plated with nickel / gold are preferred. After solder paste printing, as shown in FIG.
The shield caps are mounted in this order, and are simultaneously mounted on the wiring board by one solder reflow.

【0017】本発明の開口部を有するシールドキャップ
を接合する接合部は、従来のシールリングのようにリン
グ状にすることを要しない。ハンダ接合時の応力集中を
緩和するために、図4に例示するように、2以上の接合
パッドとして形成するのが好ましい。請求項2に記載の
発明がこれに該当する。
The joining portion for joining the shield cap having the opening according to the present invention does not need to be formed in a ring shape unlike a conventional seal ring. In order to reduce stress concentration at the time of solder bonding, it is preferable to form two or more bonding pads as illustrated in FIG. The invention described in claim 2 corresponds to this.

【0018】本発明のシールドキャップの接合面には、
例えば特開平4−216652号公報に開示されたシー
ルドキャップに設けられているような、いわゆるつばの
部分が無いことが好ましい。かかる構成のシールドキャ
ップを用いることで、表面実装密度を高めるとともに、
ハンダリフロー時にシールドキャップに食われる熱量を
最小限に抑えて、素子のハンダ実装状態とシールドキャ
ップのハンダ接合状態の両方を良好な状態にできるから
である。
The joint surface of the shield cap of the present invention includes:
For example, it is preferable that there is no so-called brim portion provided in the shield cap disclosed in Japanese Patent Application Laid-Open No. 4-216652. By using the shield cap of this configuration, the surface mounting density is increased,
This is because it is possible to minimize the amount of heat that is applied to the shield cap during solder reflow, and to make both the solder mounting state of the element and the solder bonding state of the shield cap favorable.

【0019】請求項3の発明は、請求項1又は請求項2
に記載のシールドキャップ付き配線基板の製造方法であ
って、前記素子の実装と前記シールドキャップの接合と
を同時に行うことを要旨とする。「素子の実装とシール
ドキャップの接合とを同時に行う」とは、例えば、素子
のハンダ実装とシールドキャップのハンダ接合とを1回
のハンダリフロー時に同時に行うことをいう。また、導
電性接着剤や異方性導電性接着剤等を用いて熱硬化によ
り素子の実装とシールドキャップの接合を同時に行うこ
とも含まれる。
The third aspect of the present invention is the first or second aspect.
The method of manufacturing a wiring board with a shield cap according to the above, wherein the mounting of the element and the joining of the shield cap are performed simultaneously. "Simultaneously mounting the element and joining the shield cap" means, for example, that the solder mounting of the element and the solder joining of the shield cap are simultaneously performed during one solder reflow. In addition, it also includes simultaneous mounting of the element and bonding of the shield cap by thermosetting using a conductive adhesive or an anisotropic conductive adhesive.

【0020】図5にハンダリフローを用いた場合の本発
明の製造方法のフローチャートを示す。また、図6に比
較例として従来の製造方法のフローチャートを示す。本
発明の製造方法によれば、従来と比較して工程数を少な
くできるため、製品のコスト低減を図ることができる。
ここにいう「ハンダ」とは、Pb−Sn系の共晶ハンダ
等に限定されるものではなく、Pbフリーハンダも含ま
れる。例えば、Sn−Ag系にBi、Cu、Zn、In
等を添加したもの、Sn−Bi系にAg、Cu等を添加
したもの、Sn−Zn系にAg、Cu、In、Bi等を
添加したもの、Sn−In系にAg等を添加したものが
挙げられる。
FIG. 5 shows a flow chart of the manufacturing method of the present invention when using solder reflow. FIG. 6 shows a flowchart of a conventional manufacturing method as a comparative example. According to the manufacturing method of the present invention, the number of steps can be reduced as compared with the conventional method, so that the cost of the product can be reduced.
The term "solder" used herein is not limited to Pb-Sn eutectic solder and the like, but also includes Pb-free solder. For example, Bi, Cu, Zn, In
What added Ag, Cu, etc. to the Sn-Bi system, Ag, Cu, In, Bi, etc. added to the Sn-Bi system, and Ag added to the Sn-In system, etc. No.

【0021】本発明の開口部を有するシールドキャップ
付き配線基板によれば、素子のハンダ実装とシールドキ
ャップのハンダ接合とを1回のハンダリフロー時に同時
に行っても、実装・接合時の諸問題の発生を防止でき
る。リフロー炉は、耐熱伝熱或いは一部ふく射伝熱を併
用して加熱するので、シールドキャップにはかかる対流
伝熱の実行を図るための開口部が必要だからである。
According to the wiring board with the shield cap having the opening of the present invention, even if the solder mounting of the element and the solder bonding of the shield cap are performed at the same time in one solder reflow, the problems at the time of mounting / bonding can be solved. Occurrence can be prevented. This is because the reflow furnace is heated using both heat-resistant heat transfer and partial radiant heat transfer, so that the shield cap needs an opening for performing such convective heat transfer.

【0022】[0022]

【実施例】本発明の実施例を以下に説明する。実施例で
はセラミック配線基板を用いたが、ガラス−エポキシ複
合材料やフッソ系樹脂等を用いた有機系配線基板に対し
ても本発明は適用可能である。用いるハンダの種類は、
これら樹脂材料の耐熱性を加味して決定すればよい。ま
た、ハンダ以外に導電性接着剤等を用いても良い。
Embodiments of the present invention will be described below. Although a ceramic wiring board is used in the embodiments, the present invention can be applied to an organic wiring board using a glass-epoxy composite material or a fluorine resin. The type of solder used is
What is necessary is just to determine in consideration of the heat resistance of these resin materials. Further, a conductive adhesive or the like may be used instead of the solder.

【0023】(1)配線基板の製造 アルミナホウケイ酸鉛系ガラス50重量部に対してアル
ミナフィラー50重量部を含むガラスセラミック複合材
料からなるセラミックグリーンシートをドクダーブレー
ド法にて作製する。シート厚みは200μmとした。
(1) Production of Wiring Board A ceramic green sheet made of a glass-ceramic composite material containing 50 parts by weight of alumina filler and 50 parts by weight of alumina borosilicate glass is prepared by the dokuda blade method. The sheet thickness was 200 μm.

【0024】外径寸法60×60(単位;mm)のセラ
ミックグリーンシート上にAg導電ペーストをスクリー
ン印刷法にて所定の回路パターンを印刷形成する。尚、
1枚のセラミックスグリーンシート上には6行×8例の
合計48個の配線基板に該当する回路パターンが形成さ
れている。
A predetermined circuit pattern is formed by printing an Ag conductive paste on a ceramic green sheet having an outer diameter of 60 × 60 (unit: mm) by a screen printing method. still,
Circuit patterns corresponding to a total of 48 wiring boards of 6 rows × 8 examples are formed on one ceramic green sheet.

【0025】各層を熱圧着して積層一体化して、6層構
造のグリーン積層体を得る。次いで、得られたグリーン
積層体に、個々の配線基板を焼成・実装後に分割するた
めの分割溝を切断刃を用いて入れる。その後、加熱炉を
用いて250℃にて有機成分を分解除去した後、ベルト
式炉を用いて850℃にて保持・焼成して所望のセラミ
ック配線基板を得る。
Each layer is laminated by thermocompression bonding to obtain a green laminate having a six-layer structure. Next, into the obtained green laminated body, a dividing groove for dividing each wiring board after firing and mounting is inserted using a cutting blade. Thereafter, organic components are decomposed and removed at 250 ° C. using a heating furnace, and then held and fired at 850 ° C. using a belt furnace to obtain a desired ceramic wiring substrate.

【0026】得られたセラミック配線基板の外径寸法
は、幅50×長さ50×厚み0.8(単位;mm)であ
る。この基板上には6行×8例の合計48個の部品が多
数個取りできるように形成されている。各部品の外径寸
法は、幅5×長さ6.7×厚み0.8(単位;mm)で
ある。各部品の最表面には、素子実装用の実装パッド
と、シールドキャップ接合用の接合パッドが形成されて
いる。
The outer diameter of the obtained ceramic wiring board is 50 × 50 × 0.8 (unit: mm). On this board, a total of 48 parts of 6 rows × 8 examples are formed so that a large number of parts can be taken. The outer diameter dimension of each component is 5 × width 6.7 × thickness 0.8 (unit: mm). On the outermost surface of each component, a mounting pad for mounting an element and a bonding pad for bonding a shield cap are formed.

【0027】(2)シールドキャップ 用いるシールドキャップの外径寸法は、幅4.6×長さ
6.3×高さ0.3(単位;mm)とする。開口形状
は、図1、図2及び図3に示す3種類の形状とする。材
質は洋白(亜鉛−銅−ニッケル合金)である。また、比
較例として、図7に示す開口部の無いシールドキャップ
も用意する。開口部が無い以外は、上記外径寸法と同一
寸法である。
(2) Shield Cap The outer diameter of the shield cap used is 4.6 width × 6.3 length × 0.3 height (unit: mm). The opening shapes are three types shown in FIGS. 1, 2, and 3. The material is nickel silver (zinc-copper-nickel alloy). As a comparative example, a shield cap without an opening shown in FIG. 7 is also prepared. The dimensions are the same as the above outer diameter dimensions except that there is no opening.

【0028】(3)素子の実装及びシールドキャップの
接合 上記セラミック配線基板をスクリーン印刷機の台座にセ
ットする。次いで、実装パッドと接合パッドに対応する
開口部を有するメタルマスクをスクリーン印刷機にセッ
トして、ハンダペーストをスクリーン印刷にて実装パッ
ド及び接合パッドの上に同時に印刷形成する。尚、比較
例については、実装パッドのみに印刷して先にリフロー
実装を行い、キャップ接合時に再度接合パッドのみに印
刷してリフロー接合する(図6を参照)。
(3) Mounting of Elements and Bonding of Shield Cap The ceramic wiring board is set on a pedestal of a screen printing machine. Next, a metal mask having an opening corresponding to the mounting pad and the bonding pad is set on a screen printing machine, and a solder paste is simultaneously printed and formed on the mounting pad and the bonding pad by screen printing. In addition, in the comparative example, printing is performed only on the mounting pad and reflow mounting is performed first, and when the cap is bonded, printing is performed again only on the bonding pad and reflow bonding is performed (see FIG. 6).

【0029】チップマウンターを用いて、素子及びシー
ルドキャップをそれぞれ実装用パッド及び接合用パッド
の上にセットする。セット完了した配線基板をリフロー
炉を通して実装と接合を同時に行う。リフロー条件は最
高保持温度260℃とする。得られたシールドキャップ
付き配線基板をX線透過装置を用いて素子のハンダ実装
部及びシールドキャップのハンダ接合部を観察し、ボイ
ドの有無を確認する。結果を表1に示す。
Using a chip mounter, the element and the shield cap are set on the mounting pad and the bonding pad, respectively. Mounting and bonding of the completed wiring board are performed simultaneously through a reflow furnace. The reflow condition is a maximum holding temperature of 260 ° C. Using an X-ray transmission apparatus, the obtained solder-bonded wiring board is observed for the solder mounting part of the element and the solder joint part of the shield cap, and the presence or absence of voids is confirmed. Table 1 shows the results.

【0030】[0030]

【表1】 [Table 1]

【0031】表1の結果より、本発明の開口部を有する
シールドキャップを用いた実施例である試料番号1乃至
試料番号3においては、ボイドの無い良好な素子のハン
ダ実装及びシールドキャップのハンダ接合がなされてい
ることがわかる。
From the results shown in Table 1, in the sample Nos. 1 to 3 which are the examples using the shield cap having the opening of the present invention, good soldering of the element without voids and solder bonding of the shield cap were performed. It can be seen that has been done.

【0032】一方、従来の開口部の無いシールドキャッ
プを用いた比較例である試料番号4においては、素子の
ハンダ実装部分及びシールドキャップのハンダ接合部分
にボイドが発生していることがわかる。キャップ側面が
ほぼ全域開口部である試料番号1でも実用上十分である
が、特には開口部がキャップの他の側面にまで及び試料
番号3が良好である。
On the other hand, in sample No. 4, which is a comparative example using a conventional shield cap having no opening, it can be seen that voids are generated in the solder mounting portion of the element and the solder joint portion of the shield cap. Although the sample No. 1 in which the cap side surface has almost the entire area of the opening is practically sufficient, the sample No. 3 particularly has the opening extending to the other side surface of the cap.

【0033】[0033]

【発明の効果】本発明によれば、従来別々に行われてい
た素子の実装とシールドキャップの接合とを同時に行う
ことが可能となり、信頼性と生産性を向上したシールド
キャップ付き配線基板及びその製造方法を提供できる。
According to the present invention, the mounting of the element and the joining of the shield cap, which have been conventionally performed separately, can be simultaneously performed, and the wiring board with the shield cap and the reliability and productivity improved, and the wiring board with the same. A manufacturing method can be provided.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明のシールドキャップ付き配線基板の一実
施例を示す説明図。
FIG. 1 is an explanatory view showing one embodiment of a wiring board with a shield cap according to the present invention.

【図2】本発明のシールドキャップ付き配線基板の一実
施例を示す説明図。
FIG. 2 is an explanatory view showing one embodiment of a wiring board with a shield cap according to the present invention.

【図3】本発明のシールドキャップ付き配線基板の一実
施例を示す説明図。
FIG. 3 is an explanatory view showing one embodiment of a wiring board with a shield cap according to the present invention.

【図4】本発明のシールドキャップ付き配線基板の素子
及びシールドキャップの搭載状態を示す説明図。
FIG. 4 is an explanatory view showing the mounted state of the elements and the shield cap of the wiring board with the shield cap of the present invention.

【図5】本発明のシールドキャップ付き配線基板の製造
方法のフローチャート。
FIG. 5 is a flowchart of a method for manufacturing a wiring board with a shield cap according to the present invention.

【図6】従来のシールドキャップ付き配線基板の製造方
法のフローチャート。
FIG. 6 is a flowchart of a conventional method for manufacturing a wiring board with a shield cap.

【図7】従来のシールドキャップ付き配線基板の一実施
例を示す説明図。
FIG. 7 is an explanatory view showing one embodiment of a conventional wiring board with a shield cap.

【符号の説明】[Explanation of symbols]

1 本発明の配線基板 2〜4 開口部を有するシールドキャップ 2a〜4a シールドキャップの開口部 5 素子 6 従来の配線基板 7 従来の開口部の無いシールドキャップ DESCRIPTION OF SYMBOLS 1 Wiring board of this invention 2-4 Shield cap with opening 2a-4a Shield cap opening 5 Element 6 Conventional wiring board 7 Conventional shield cap without opening

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 配線基板の実装部に素子を搭載するとと
もに、該配線基板の接合部に該素子搭載部の少なくとも
一部を覆うように接合されたシールドキャップを有する
配線基板であって、 該接合部と該実装部とが配線基板の同一平面上に形成さ
れるとともに、該シールドキャップの側面に開口部を有
することを特徴とするシールドキャップ付き配線基板。
1. A wiring board having an element mounted on a mounting portion of a wiring board and having a shield cap joined to a bonding part of the wiring board so as to cover at least a part of the element mounting part. A wiring board with a shield cap, wherein the joining part and the mounting part are formed on the same plane of the wiring board, and the opening part is provided on a side surface of the shield cap.
【請求項2】 一つのシールドキャップが2以上の接合
部に接合されていることを特徴とする請求項1に記載の
シールドキャップ付き配線基板。
2. The wiring board with a shield cap according to claim 1, wherein one shield cap is joined to two or more joints.
【請求項3】 前記素子の実装と前記シールドキャップ
の接合とを同時に行うことを特徴とする請求項1又は請
求項2に記載のシールドキャップ付き配線基板の製造方
法。
3. The method according to claim 1, wherein the mounting of the element and the bonding of the shield cap are performed simultaneously.
JP11184721A 1999-06-30 1999-06-30 Wiring board with shield cap and its manufacture Pending JP2001015976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11184721A JP2001015976A (en) 1999-06-30 1999-06-30 Wiring board with shield cap and its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11184721A JP2001015976A (en) 1999-06-30 1999-06-30 Wiring board with shield cap and its manufacture

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2004212375A Division JP2004312044A (en) 2004-07-21 2004-07-21 Wiring board with shielded cap, and manufacturing method therefor

Publications (1)

Publication Number Publication Date
JP2001015976A true JP2001015976A (en) 2001-01-19

Family

ID=16158214

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11184721A Pending JP2001015976A (en) 1999-06-30 1999-06-30 Wiring board with shield cap and its manufacture

Country Status (1)

Country Link
JP (1) JP2001015976A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004119445A (en) * 2002-09-24 2004-04-15 Matsushita Electric Ind Co Ltd Thin type electromagnetic shield and flexible circuit substrate using the same
US7186928B2 (en) 2002-08-01 2007-03-06 Nec Corporation Electronic device including chip parts and a method for manufacturing the same
US7190982B2 (en) 2003-01-28 2007-03-13 Matsushita Electric Industrial Co., Ltd. Radio frequency device
US8383230B2 (en) 2007-05-24 2013-02-26 Arisawa Mfg. Co., Ltd. Flexible printed wiring board, multilayered flexible printed wiring board, and mobile telephone terminal employing multilayered flexible printed wiring board
US10674596B2 (en) 2018-01-25 2020-06-02 Nec Corporation Electronic component, electronic component manufacturing method, and mechanical component

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7186928B2 (en) 2002-08-01 2007-03-06 Nec Corporation Electronic device including chip parts and a method for manufacturing the same
JP2004119445A (en) * 2002-09-24 2004-04-15 Matsushita Electric Ind Co Ltd Thin type electromagnetic shield and flexible circuit substrate using the same
JP4567281B2 (en) * 2002-09-24 2010-10-20 パナソニック株式会社 Flexible circuit board with electromagnetic shield
US7190982B2 (en) 2003-01-28 2007-03-13 Matsushita Electric Industrial Co., Ltd. Radio frequency device
US8383230B2 (en) 2007-05-24 2013-02-26 Arisawa Mfg. Co., Ltd. Flexible printed wiring board, multilayered flexible printed wiring board, and mobile telephone terminal employing multilayered flexible printed wiring board
US10674596B2 (en) 2018-01-25 2020-06-02 Nec Corporation Electronic component, electronic component manufacturing method, and mechanical component

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