JPH04322493A - Method of soldering electronic component to printed-circuit board - Google Patents

Method of soldering electronic component to printed-circuit board

Info

Publication number
JPH04322493A
JPH04322493A JP9061991A JP9061991A JPH04322493A JP H04322493 A JPH04322493 A JP H04322493A JP 9061991 A JP9061991 A JP 9061991A JP 9061991 A JP9061991 A JP 9061991A JP H04322493 A JPH04322493 A JP H04322493A
Authority
JP
Japan
Prior art keywords
circuit board
component
heat
lead wires
electronic component
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
JP9061991A
Other languages
Japanese (ja)
Inventor
Toshio Fujita
敏雄 藤田
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP9061991A priority Critical patent/JPH04322493A/en
Publication of JPH04322493A publication Critical patent/JPH04322493A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/30Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/303Surface mounted components, e.g. affixing before soldering, aligning means, spacing means
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/30Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/341Surface mounted components
    • H05K3/3421Leaded components

Landscapes

  • Electric Connection Of Electric Components To Printed Circuits (AREA)

Abstract

PURPOSE:To obtain a method wherein an electronic component whose component lead wires are all soldered to pad parts is soldered to a printed-circuit board even when the flatness of tip parts of the lead wires for the electronic component is bad. CONSTITUTION:A heat-resistant instantaneous adhesive 6 or the heat-resistant instantaneous adhesive 6 and a heat-resistant adhesive 7 are coated between an electronic-component main body 1 and a printed-circuit board 4. Component lead wires 2 and pad parts 3 are fixed and bonded in a state that a pressure is exerted in such a way that they are brought into contact; after that, the whole assembly is heated; they are soldered.

Description

【発明の詳細な説明】[Detailed description of the invention]

【0001】0001

【産業上の利用分野】この発明は電子部品のプリント基
板へのはんだ付け方法に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a method of soldering electronic components to a printed circuit board.

【0002】0002

【従来の技術】図3は電子部品のプリント基板へのはん
だ付け方法を示す図であり、図において、1は電子部品
本体、2は部品リード線、3はパッド部、4はプリント
基板、5はクリームはんだである。
2. Description of the Related Art FIG. 3 is a diagram showing a method of soldering electronic components to a printed circuit board. is cream solder.

【0003】従来の電子部品のプリント基板へのはんだ
付け方法は電子部品1より出ている複数の部品リード線
2に対応するパッド部3の上にクリームはんだ5をスク
リーン印刷させ、その後に部品リード線2とパッド部3
の位置を合わせて置いた状態で全体を加熱しはんだ付け
する。次いで電子部品1より出ている複数の部品リード
線2の先端の平坦度が悪い場合等は、部品リード線2と
パッド部3との一部が浮き、はんだ付け付けされていな
い部分が発生するために、はんだゴテで手はんだ修正し
ていた。
A conventional method for soldering electronic components to a printed circuit board is to screen print cream solder 5 on pad portions 3 corresponding to a plurality of component lead wires 2 coming out of an electronic component 1, and then to solder the component leads. Line 2 and pad part 3
Heat and solder the whole thing with the parts aligned. Next, if the flatness of the tips of the plurality of component lead wires 2 coming out from the electronic component 1 is poor, a portion of the component lead wires 2 and the pad portion 3 will be lifted, resulting in unsoldered parts. Therefore, I had to manually solder the parts with a soldering iron.

【0004】0004

【発明が解決しようとする課題】従来の電子部品のプリ
ント基板へのはんだ付け方法は以上のようになっている
ため、電子部品の部品リード線の先端部分の平坦度が悪
い場合、部品リード線とパッド部の一部が浮き、はんだ
付けされない部分が発生するために、後ではんだゴテに
より、手はんだ修正しなければならないという問題点が
あった。
[Problems to be Solved by the Invention] Since the conventional method of soldering electronic components to a printed circuit board is as described above, if the flatness of the tip of the component lead wire of an electronic component is poor, There is a problem in that a part of the pad part lifts and some parts are not soldered, which requires manual soldering later with a soldering iron.

【0005】この発明は上記のような問題点を解消する
ためになされたもので、電子部品の部品リード線の先端
部分の平坦度が悪い場合にも、全ての部品リード線とパ
ッド部をはんだ付けできる電子部品のプリント基板への
はんだ付け方法を提供する。
[0005] This invention was made to solve the above-mentioned problems, and even when the flatness of the tip of the component lead wire of an electronic component is poor, it is possible to solder all component lead wires and pads. To provide a method for soldering electronic components onto a printed circuit board.

【0006】[0006]

【課題を解決するための手段】この発明に係る電子部品
のプリント基板へのはんだ付け方法は、電子部品本体と
プリント基板との間に耐熱性の瞬間接着剤とを塗布し固
着してから全体を加熱するか、又は電子部品本体とプリ
ント基板との間に耐熱性の瞬間接着剤と耐熱性接着剤を
塗布し固着してから全体を加熱するものである。
[Means for Solving the Problems] A method of soldering an electronic component to a printed circuit board according to the present invention is to apply a heat-resistant instant adhesive between the electronic component body and the printed circuit board, and then to solder the electronic component to the printed circuit board. Alternatively, a heat-resistant instant adhesive and a heat-resistant adhesive are applied and fixed between the electronic component body and the printed circuit board, and then the whole is heated.

【0007】[0007]

【作用】この発明は電子部品本体とプリント基板との間
に耐熱性の瞬間接着剤を塗布又は、耐熱性の瞬間接着剤
と耐熱性接着剤を塗布し固着する時に、それぞれの部品
リード線先端部分の平坦度が良くない場合でも全ての部
品リード線がパッド部と接するように部品本体の上から
圧力を加えた状態で固着させるため、後に全体加熱をす
れば全ての部品リード線とパッド部のはんだ付けが可能
となる。
[Operation] This invention applies a heat-resistant instant adhesive between an electronic component body and a printed circuit board, or when a heat-resistant instant adhesive and a heat-resistant adhesive are applied and fixed, the tip of each component lead wire is fixed. Even if the flatness of the part is not good, all the component lead wires and the pad part can be fixed by applying pressure from above the component body so that all the component lead wires and the pad part can be fixed by applying pressure from above the component body. soldering becomes possible.

【0008】[0008]

【実施例】【Example】

実施例1.以下、この発明の一実施例を図について説明
する。図1、図2において、1は電子部品本体、2は部
品リード線、3はパッド部、4はパッド部3を有するプ
リント基板、5はクリームはんだ、6は耐熱性瞬間接着
剤(例えば九州松下電器製ペーストDBN510SA)
、7は耐熱性接着剤(例えばロックタイト社製ロックタ
イト410)である。
Example 1. An embodiment of the present invention will be described below with reference to the drawings. 1 and 2, 1 is an electronic component body, 2 is a component lead wire, 3 is a pad part, 4 is a printed circuit board having the pad part 3, 5 is cream solder, and 6 is a heat-resistant instant adhesive (for example, Kyushu Matsushita Electrical paste DBN510SA)
, 7 is a heat-resistant adhesive (for example, Loctite 410 manufactured by Loctite).

【0009】この発明における電子部品のプリント基板
へのはんだ付け方法は電子部品1の部品リード線2に対
応するパッド部3の上にクリームはんだ5をスクリーン
印刷させ、次いで電子部品1の本体が位置するプリント
基板上に耐熱性瞬間接着剤6を塗布、又は耐熱性瞬間接
着剤6と、耐熱性瞬間接着剤7を塗布する。次に自動部
品装着機により電子部品1を部品リード線2とパッド部
3が対応する位置に、部品リード線の弾性変形範囲内で
部品リード線2先端部の平坦度が悪い場合でも、パッド
部3に部品リード線2先端部が触れるように押えつけた
状態で耐熱性瞬間接着剤6を硬化させる。
The method of soldering electronic components to a printed circuit board according to the present invention involves screen printing cream solder 5 on pad portions 3 corresponding to component lead wires 2 of electronic component 1, and then placing the main body of electronic component 1 in position. A heat-resistant instant adhesive 6 is applied onto the printed circuit board, or a heat-resistant instant adhesive 6 and a heat-resistant instant adhesive 7 are applied. Next, the automatic component mounting machine places the electronic component 1 in the position where the component lead wire 2 and the pad part 3 correspond, and even if the flatness of the tip of the component lead wire 2 is poor within the elastic deformation range of the component lead wire, the pad part The heat-resistant instant adhesive 6 is cured while being pressed so that the tip of the component lead wire 2 touches the part lead wire 3.

【0010】部品リード線2の弾性による復元力が小さ
い場合は、耐熱性瞬間接着剤6だけを塗布することで、
次に全体加熱をし、クリームはんだ5を溶かし全ての部
品リード線2とパッド部3とのはんだ付けが可能である
が、部品リード線2の弾性に寄る復元力が大きい場合に
は、耐熱性瞬間接着剤6の塗布だけでは、全体加熱をし
た時に耐熱性瞬間接着剤6の接着力が低下し、部品リー
ド線2の弾性による復元力により部品リード線2がパッ
ド部3より浮いてしまうので、耐熱性瞬間接着剤6の他
に耐熱性接着剤7を塗布することによりパッド部3より
部品リード線2の浮きを防止し、全ての部品リード線2
とパッド部3のはんだ付けが可能になる。
If the restoring force due to the elasticity of the component lead wire 2 is small, by applying only the heat-resistant instant adhesive 6,
Next, the whole body is heated to melt the cream solder 5 and it is possible to solder all the component lead wires 2 and pad parts 3. However, if the restoring force due to the elasticity of the component lead wires 2 is large, the heat resistance If only the instant adhesive 6 is applied, the adhesive force of the heat-resistant instant adhesive 6 will decrease when the entire body is heated, and the component lead wire 2 will float above the pad portion 3 due to the restoring force due to the elasticity of the component lead wire 2. By applying heat-resistant adhesive 7 in addition to heat-resistant instant adhesive 6, component lead wires 2 are prevented from floating from pad portion 3, and all component lead wires 2 are
This makes it possible to solder the pad portion 3.

【0011】[0011]

【発明の効果】以上のように、この発明によれば、電子
部品本体とプリント基板とを耐熱性瞬間接着剤、又は耐
熱性瞬間接着剤と耐熱性接着剤により、部品リード線と
パッド部が接するように圧力を加えた状態で固着してか
ら全体加熱し、はんだ付けするので、はんだ付け後の手
直しがなくなるという効果がある。
As described above, according to the present invention, the electronic component main body and the printed circuit board can be bonded together using a heat-resistant instant adhesive, or a heat-resistant instant adhesive and a heat-resistant adhesive. Since the parts are fixed by applying pressure so that they are in contact with each other, then the whole part is heated and soldered, there is no need to make any adjustments after soldering.

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

【図1】この発明の実施例1によるはんだ付け方法を示
す図である。
FIG. 1 is a diagram showing a soldering method according to a first embodiment of the present invention.

【図2】図1のはんだ付け部を示す図である。FIG. 2 is a diagram showing the soldering portion of FIG. 1;

【図3】従来のはんだ付け方法を示す図である。FIG. 3 is a diagram showing a conventional soldering method.

【符号の説明】[Explanation of symbols]

1  部品本体 2  部品リード線 3  パッド部 4  プリント基板 5  クリームはんだ 6  瞬間接着剤 7  耐熱性接着剤 1 Part body 2 Parts lead wire 3 Pad part 4 Printed circuit board 5 Cream solder 6 Instant adhesive 7 Heat-resistant adhesive

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】  複数の部品リード線を有する電子部品
本体と、この電子部品の部品リード線に対応したパッド
部を有するプリント基板とを、瞬間接着剤により固着し
た後、上記部品リード線と上記パッド部をはんだ付けす
ることを特徴とする電子部品のプリント基板へのはんだ
付け方法。
1. After fixing an electronic component main body having a plurality of component lead wires and a printed circuit board having a pad portion corresponding to the component lead wires of the electronic component with an instant adhesive, the component lead wires and the A method for soldering electronic components to a printed circuit board, characterized by soldering pad portions.
【請求項2】  複数の部品リード線を有する電子部品
本体と、この電子部品の部品リード線に対応したパッド
部を有するプリント基板とを瞬間接着剤と耐熱性接着剤
とにより固着した後、上記部品リード線と上記パッド部
をはんだ付けすることを特徴とする電子部品のプリント
基板へのはんだ付け方法。
2. After fixing an electronic component main body having a plurality of component lead wires and a printed circuit board having a pad portion corresponding to the component lead wires of the electronic component using an instant adhesive and a heat-resistant adhesive, A method for soldering electronic components to a printed circuit board, characterized by soldering component lead wires and the pad portions.
JP9061991A 1991-04-22 1991-04-22 Method of soldering electronic component to printed-circuit board Pending JPH04322493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9061991A JPH04322493A (en) 1991-04-22 1991-04-22 Method of soldering electronic component to printed-circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9061991A JPH04322493A (en) 1991-04-22 1991-04-22 Method of soldering electronic component to printed-circuit board

Publications (1)

Publication Number Publication Date
JPH04322493A true JPH04322493A (en) 1992-11-12

Family

ID=14003507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9061991A Pending JPH04322493A (en) 1991-04-22 1991-04-22 Method of soldering electronic component to printed-circuit board

Country Status (1)

Country Link
JP (1) JPH04322493A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113056113A (en) * 2020-07-31 2021-06-29 广州立景创新科技有限公司 Method for manufacturing electronic component module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113056113A (en) * 2020-07-31 2021-06-29 广州立景创新科技有限公司 Method for manufacturing electronic component module

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