JP2004087748A - Printed distribution board - Google Patents

Printed distribution board Download PDF

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Publication number
JP2004087748A
JP2004087748A JP2002246143A JP2002246143A JP2004087748A JP 2004087748 A JP2004087748 A JP 2004087748A JP 2002246143 A JP2002246143 A JP 2002246143A JP 2002246143 A JP2002246143 A JP 2002246143A JP 2004087748 A JP2004087748 A JP 2004087748A
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JP
Japan
Prior art keywords
connection
printed wiring
wiring board
pattern
land
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.)
Withdrawn
Application number
JP2002246143A
Other languages
Japanese (ja)
Inventor
Yoshihiro Nagashima
長島 義宏
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP2002246143A priority Critical patent/JP2004087748A/en
Publication of JP2004087748A publication Critical patent/JP2004087748A/en
Withdrawn legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To obtain stabilized mechanical connecting strength and electric connecting condition while reducing the number of connecting components by necessitating no jumper wire for connection. <P>SOLUTION: In a printed distribution board, a connecting side printed distribution board 1 is connected electrically and mechanically to a printed distribution board 2 of a side to be connected. A slit 3 is formed on the printed distribution board 2 of the side to be connected. A pattern connecting land 4 is formed near the slit 3. A connecting projection unit 5 for inserting into the slit 3 is formed at one end of the connecting side printed distribution board 1. Another pattern connecting land 6 is formed near the connecting projection unit 5. The connecting projection unit 5 is inserted into and connected to the slit 3 while the pattern connecting land 4 of the connecting side printed distribution board 1 is soldered to the pattern connecting land 6 of the printed distribution board 2 of the side to be connected. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は、接続側のプリント配線板を被接続側のプリント配線板に電気的及び機械的に接続したプリント配線板に関し、詳しくは、接続のためのジャンパー線を不要として接続部品数を低減しながら安定した機械的接続強度及び電気的接続状態を得ようとする技術に係るものである。
【0002】
【従来の技術】
従来、接続側のプリント配線板1’を被接続側のプリント配線板2’に電気的及び機械的に接続したプリント配線板A’においては、図6に示すように、ジャンパー線Jを用いておこなうのであり、ジャンパー線Jは接続する配線パターンの数だけ必要となるのであり、ジャンパー線Jの両端部において半田付け作業をおこなうのであり、部品点数が多くなり、機械的な強度を高めるためにはジャンパー線Jに強度を必要とするのである。
【0003】
【発明が解決しようとする課題】
本発明はこのような問題に鑑みてなされたものであり、接続のためのジャンパー線を不要として接続部品数を低減しながら安定した機械的接続強度及び電気的接続状態を得ることができるプリント配線板を提供することを目的とするものである。
【0004】
【課題を解決するための手段】
請求項1の発明においては、接続側のプリント配線板1を被接続側のプリント配線板2に電気的及び機械的に接続したプリント配線板であって、被接続側のプリント配線板2に長孔3を形成し、長孔3の近傍にパターン接続ランド4を形成し、接続側のプリント配線板1の一端に長孔3に差し込む接続突部5を形成し、接続突部5の近傍にパターン接続ランド6を形成し、接続突部5を長孔3に差し込み接続し、接続側のプリント配線板1のパターン接続ランド4と被接続側のプリント配線板2のパターン接続ランド6とを半田付けしていることを特徴とするものである。
【0005】
このような構成によれば、接続側のプリント配線板1の接続突部5を被接続側のプリント配線板2の長孔3に差し込み接続することと、差し込み接続箇所の近傍における両プリント配線板1、2の各パターン接続ランド4、6を半田付けすることによって、両プリント配線板1、2の接続に際してジャンパー線を不要にでき、部品点数を削減し、作業性を高め、機械的接続強度及び電気的接続状態を安定化させることができる。
【0006】
請求項2の発明においては、接続側のプリント配線板1と被接続側のプリント配線板2との各パターン接続ランド4、6において、一又は複数を他に比べて大きくして半田付けによる機械的接続強度を高めていることを特徴とするものである。このような構成によれば、半田付けによる接続強度を、一層、高めることができる。
【0007】
請求項3の発明においては、接続側のプリント配線板1と被接続側のプリント配線板2の各パターン接続ランド4、6において、パターン接続ランド4、4;6、6間に半田濡れ性の低い部材10を設けていることを特徴とするものである。このような構成によれば、例えば、自動的に半田付けをおこなう場合に、半田ブリッジが生じるのを抑制することができ、不良ショートを防止できる。
【0008】
請求項4の発明においては、被接続側のプリント配線板2は多層プリント配線板であり、接続側のプリント配線板1の接続突部5及びその近傍に絶縁材11を塗布していることを特徴とするものである。このような構成によれば、被接続側の多層となったプリント配線板2に形成した長孔3の近傍に配線パターン2bが存在していても、長孔3に差し込み接続される接続突部5及びその近傍には絶縁材11が存在していて、長孔3の近傍の配線パターン2bの絶縁性を充分なものにできる。
【0009】
【発明の実施の形態】
以下、本発明の実施の形態を説明する。図1(a)は接続側のプリント配線板の正面図、同図(b)は被接続側のプリント配線板の背面図、同図(c)は被接続側のプリント配線板の正面図である。図4は作用を示し、同図(a)は接続前の背面側からの分解斜視図、同図(b)は接続後の斜視図である。
【0010】
接続側のプリント配線板1及び被接続側のプリント配線板2はいずれもが絶縁基板1a、2aに導電性材料で形成した配線パターン1b、2bを積層接着したものであり、配線パターン1b、2bの先端部にランド1f、2fを形成して電子部品7を半田付けするものである。
【0011】
本発明のプリント配線板Aは、接続側のプリント配線板1を被接続側のプリント配線板2に配線パターン1b、2bを含めて電気的及び機械的に接続しているものであり、接続のためのジャンパー線を不要として接続部品数を低減しながら安定した機械的接続強度及び電気的接続状態を得るものである。以下、詳述する。
【0012】
被接続側のプリント配線板2に長孔3を貫通して形成している。長孔3の近傍にプリント配線板2における配線パターン2bに一連にパターン接続ランド4を形成している。
【0013】
接続側のプリント配線板1の一端に長孔3に差し込む接続突部5を形成している。接続突部5の近傍にまで配線パターン1bが延出され、各配線パターン1bにパターン接続ランド6を形成している。
【0014】
しかして、接続突部5を長孔3に差し込み接続(嵌合接続)し、接続側のプリント配線板1のパターン接続ランド4と被接続側のプリント配線板2のパターン接続ランド6とを半田付けして本発明のプリント配線板Aを得るのであり、接続側のプリント配線板1の接続突部5を被接続側のプリント配線板2の長孔3に差し込み接続することと、差し込み接続箇所の近傍における両プリント配線板1、2の各パターン接続ランド4、6を半田付けすることによって、両プリント配線板1、2の接続に際してジャンパー線を不要にでき、部品点数を削減し、作業性を高め、機械的接続強度及び電気的接続状態を安定化させることができるのである。符号hは接続半田である。
【0015】
ところで、図1(a)(c)に示すように、接続側のプリント配線板1と被接続側のプリント配線板2との各パターン接続ランド4、6において、一又は複数を他に比べて大きくして、具体的には両端のパターン接続ランド4、6を他に比べて大きくして、半田付けによる機械的接続強度を高めているのであり、半田付けによる接続強度を高めることができ、一層、機械的接続強度を高めることができる。
【0016】
更に、接続側のプリント配線板1と被接続側のプリント配線板2の各々の各パターン接続ランド4、6において、パターン接続ランド4、4;6、6間に半田濡れ性の低い部材10を設けているのであり、例えば、自動的に半田付けをおこなう場合に、半田ブリッジが生じるのを抑制することができ、不良ショートを防止できる。半田濡れ性の低い部材10としては、図2に示すように、シルク印刷手段を採用しているが、他のものであってもよい。図2において、符号10aは孔、6aは半田である。
【0017】
ところで、接続用の長孔3を形成した被接続側のプリント配線板2は多層プリント配線板であるが、接続側のプリント配線板1の接続突部5及びその近傍に上記半田濡れ性の低い部材10を兼ねた絶縁材11を積層しているのであり、このことから、被接続側の多層となったプリント配線板2に形成した長孔3の近傍に配線パターン2bが存在していても、長孔3に差し込み接続される接続突部5及びその近傍には絶縁材11が存在していて、長孔3の近傍の配線パターン2bの絶縁性を充分なものにできる。絶縁材11としては絶縁塗料であるが、他のものでもよい。
【0018】
【発明の効果】
請求項1の発明においては、接続側のプリント配線板を被接続側のプリント配線板に電気的及び機械的に接続したプリント配線板であって、被接続側のプリント配線板に長孔を形成し、長孔の近傍にパターン接続ランドを形成し、接続側のプリント配線板の一端に長孔に差し込む接続突部を形成し、接続突部の近傍にパターン接続ランドを形成し、接続突部を長孔に差し込み接続し、接続側のプリント配線板のパターン接続ランドと被接続側のプリント配線板のパターン接続ランドとを半田付けしているから、接続側のプリント配線板の接続突部を被接続側のプリント配線板の長孔に差し込み接続することと、差し込み接続箇所の近傍における両プリント配線板の各パターン接続ランドを半田付けすることによって、両プリント配線板の接続に際してジャンパー線を不要にでき、部品点数を削減し、作業性を高め、機械的接続強度及び電気的接続状態を安定化させることができるという利点がある。
【0019】
請求項2の発明においては、請求項1の効果に加えて、接続側のプリント配線板と被接続側のプリント配線板との各パターン接続ランドにおいて、一又は複数を他に比べて大きくして半田付けによる機械的接続強度を高めているから、半田付けによる接続強度を高めることができ、一層、機械的接続強度を高めることができるという利点がある。
【0020】
請求項3の発明においては、請求項1の効果に加えて、接続側のプリント配線板と被接続側のプリント配線板の各パターン接続ランドにおいて、パターン接続ランド間に半田濡れ性の低い部材を設けているから、例えば、自動的に半田付けをおこなう場合に、半田ブリッジが生じるのを抑制することができ、不良ショートを防止できるという利点がある。
【0021】
請求項4の発明においては、請求項1の効果に加えて、被接続側のプリント配線板は多層プリント配線板であり、接続側のプリント配線板の接続突部及びその近傍に絶縁材を塗布しているから、被接続側の多層となったプリント配線板に形成した長孔の近傍に配線パターンが存在していても、長孔に差し込み接続される接続突部及びその近傍には絶縁材が存在していて、長孔の近傍の配線パターンの絶縁性を充分なものにできるという利点がある。
【図面の簡単な説明】
【図1】本発明の実施の一形態を示し、(a)は接続側のプリント配線板の正面図、(b)は被接続側のプリント配線板の背面図、(c)は被接続側のプリント配線板の正面図である。
【図2】同上の製造工程を示し、(a)は部分概略斜視図、(b)は(a)の断面図、(c)は部分概略斜視図、(d)は(c)の断面図、(e)は部分概略斜視図、(f)は(e)の断面図である。
【図3】同上の接続状態を示し、(a)は側面図、(b)は正面図である。
【図4】同上の作用を示し、(a)は接続前の背面側からの斜視図、(b)は接続後の斜視図である。
【図5】同上の作用を示し、(a)は接続前の正面側からの斜視図、(b)は接続後の斜視図である。
【図6】従来例の説明図である。
【符号の説明】
1  接続側のプリント配線板
2  被接続側のプリント配線板
3  長孔
4  接続側のプリント配線板のランド
5  接続突部
6  被接続側のプリント配線板のランド
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a printed wiring board in which a printed wiring board on the connection side is electrically and mechanically connected to a printed wiring board on the connected side, and more particularly, a jumper wire for connection is not required to reduce the number of connection parts. The present invention relates to a technique for obtaining a stable mechanical connection strength and an electrical connection state.
[0002]
[Prior art]
Conventionally, in a printed wiring board A 'in which a printed wiring board 1' on the connection side is electrically and mechanically connected to a printed wiring board 2 'on the connected side, a jumper wire J is used as shown in FIG. The jumper wire J is required as many as the number of wiring patterns to be connected, and soldering work is performed at both ends of the jumper wire J. In order to increase the number of parts and increase mechanical strength, Requires strength for the jumper wire J.
[0003]
[Problems to be solved by the invention]
The present invention has been made in view of such a problem, and a printed wiring that can obtain stable mechanical connection strength and stable electrical connection while reducing the number of connection parts by eliminating a jumper wire for connection. It is intended to provide a board.
[0004]
[Means for Solving the Problems]
According to the first aspect of the present invention, there is provided a printed wiring board in which the printed wiring board 1 on the connection side is electrically and mechanically connected to the printed wiring board 2 on the connected side. A hole 3 is formed, a pattern connection land 4 is formed in the vicinity of the long hole 3, a connection protrusion 5 is formed at one end of the printed wiring board 1 on the connection side, and a connection protrusion 5 is formed in the vicinity of the connection protrusion 5. The pattern connection land 6 is formed, the connection protrusion 5 is inserted into the elongated hole 3 and connected, and the pattern connection land 4 of the printed wiring board 1 on the connection side and the pattern connection land 6 of the printed wiring board 2 on the connected side are soldered. It is characterized by having been attached.
[0005]
According to such a configuration, the connection protruding portion 5 of the printed wiring board 1 on the connection side is inserted and connected to the elongated hole 3 of the printed wiring board 2 on the connected side, and both printed wiring boards in the vicinity of the insertion connection point are connected. By soldering the pattern connection lands 4 and 6 of the first and second patterns, a jumper wire can be eliminated when connecting the two printed wiring boards 1 and 2, the number of parts is reduced, workability is improved, and mechanical connection strength is improved. In addition, the electrical connection state can be stabilized.
[0006]
According to the second aspect of the present invention, one or more of the pattern connection lands 4, 6 of the printed wiring board 1 on the connection side and the printed wiring board 2 on the connected side are made larger than one or more, and the machine is formed by soldering. It is characterized in that the mechanical connection strength is increased. According to such a configuration, the connection strength by soldering can be further increased.
[0007]
According to the third aspect of the present invention, in each of the pattern connection lands 4 and 6 of the connection-side printed wiring board 1 and the connected-side printed wiring board 2, the solder wettability between the pattern connection lands 4, 4; A low member 10 is provided. According to such a configuration, for example, when soldering is performed automatically, the occurrence of a solder bridge can be suppressed, and a defective short circuit can be prevented.
[0008]
In the invention of claim 4, the printed wiring board 2 on the connection side is a multilayer printed wiring board, and the insulating material 11 is applied to the connection protrusion 5 of the printed wiring board 1 on the connection side and the vicinity thereof. It is a feature. According to such a configuration, even if the wiring pattern 2b exists near the long hole 3 formed in the multilayer printed wiring board 2 on the connection side, the connection protrusion inserted into the long hole 3 and connected. The insulating material 11 exists in the vicinity of the long hole 3 and the vicinity thereof, so that the insulating property of the wiring pattern 2b near the long hole 3 can be made sufficient.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described. 1A is a front view of a printed wiring board on the connection side, FIG. 1B is a rear view of the printed wiring board on the connected side, and FIG. 1C is a front view of the printed wiring board on the connected side. is there. 4 (a) is an exploded perspective view from the rear side before connection, and FIG. 4 (b) is a perspective view after connection.
[0010]
Each of the connection-side printed wiring board 1 and the connected-side printed wiring board 2 is formed by laminating and bonding wiring patterns 1b, 2b formed of a conductive material to insulating substrates 1a, 2a. Lands 1f and 2f are formed at the tip of the electronic component 7, and the electronic component 7 is soldered.
[0011]
The printed wiring board A of the present invention electrically and mechanically connects the printed wiring board 1 on the connection side to the printed wiring board 2 on the connected side, including the wiring patterns 1b and 2b. A stable mechanical connection strength and an electrical connection state can be obtained while reducing the number of connection parts by eliminating the need for a jumper wire. The details will be described below.
[0012]
The printed wiring board 2 on the connected side is formed so as to penetrate the elongated hole 3. The pattern connection lands 4 are formed in series on the wiring pattern 2b of the printed wiring board 2 in the vicinity of the long holes 3.
[0013]
At one end of the printed wiring board 1 on the connection side, a connection protrusion 5 to be inserted into the elongated hole 3 is formed. The wiring pattern 1b extends to the vicinity of the connection protrusion 5, and a pattern connection land 6 is formed on each wiring pattern 1b.
[0014]
Then, the connection protrusion 5 is inserted into the elongated hole 3 and connected (fitted connection), and the pattern connection land 4 of the printed wiring board 1 on the connection side and the pattern connection land 6 of the printed wiring board 2 on the connected side are soldered. The printed wiring board A of the present invention is obtained by inserting the connecting projection 5 of the printed wiring board 1 on the connection side into the elongated hole 3 of the printed wiring board 2 on the connected side, Are soldered to the respective pattern connection lands 4 and 6 of the printed wiring boards 1 and 2 in the vicinity of the above, so that jumper wires can be eliminated when the printed wiring boards 1 and 2 are connected, the number of parts can be reduced, and workability can be reduced. Therefore, the mechanical connection strength and the electrical connection state can be stabilized. Symbol h is a connection solder.
[0015]
By the way, as shown in FIGS. 1A and 1C, one or a plurality of pattern connection lands 4 and 6 of the printed wiring board 1 on the connection side and the printed wiring board 2 on the connected side are compared with each other. The mechanical connection strength by soldering is increased by enlarging, specifically, the pattern connection lands 4 and 6 at both ends as compared with the other, so that the connection strength by soldering can be increased. Further, the mechanical connection strength can be increased.
[0016]
Further, in each of the pattern connection lands 4, 6 of the connection-side printed wiring board 1 and the connected-side printed wiring board 2, a member 10 having low solder wettability is placed between the pattern connection lands 4, 4, 6; For example, when soldering is performed automatically, the occurrence of a solder bridge can be suppressed, and a defective short circuit can be prevented. As the member 10 having low solder wettability, as shown in FIG. 2, silk printing means is employed, but other members may be used. In FIG. 2, reference numeral 10a denotes a hole, and 6a denotes solder.
[0017]
By the way, the printed wiring board 2 on the connection side in which the long holes 3 for connection are formed is a multilayer printed wiring board. Since the insulating material 11 also serving as the member 10 is laminated, even if the wiring pattern 2b exists near the long hole 3 formed in the multilayered printed wiring board 2 on the connected side. The insulating material 11 exists in the vicinity of the connection protrusion 5 inserted into the long hole 3 and in the vicinity thereof, so that the wiring pattern 2b in the vicinity of the long hole 3 can have sufficient insulation. Although the insulating material 11 is an insulating paint, another material may be used.
[0018]
【The invention's effect】
According to the first aspect of the present invention, there is provided a printed wiring board in which a connection-side printed wiring board is electrically and mechanically connected to a connected-side printed wiring board, wherein a long hole is formed in the connected-side printed wiring board. Forming a pattern connection land in the vicinity of the elongated hole, forming a connection projection inserted into the elongated hole at one end of the printed wiring board on the connection side, forming a pattern connection land in the vicinity of the connection projection, Into the slot, and solder the pattern connection lands of the connection-side printed wiring board and the pattern connection lands of the connected-side printed wiring board. The connection between the two printed wiring boards is made by inserting and connecting the elongated holes of the printed wiring board on the connected side and soldering the respective pattern connection lands of both the printed wiring boards near the insertion connection point. Saishi be made unnecessary jumper lines, reducing the number of parts, increase workability, there is an advantage that the mechanical connection strength and electrical connection state can be stabilized.
[0019]
In the invention of claim 2, in addition to the effect of claim 1, in each pattern connection land of the printed wiring board on the connection side and the printed wiring board on the connected side, one or more lands are made larger than others. Since the mechanical connection strength by soldering is increased, there is an advantage that the connection strength by soldering can be increased, and the mechanical connection strength can be further increased.
[0020]
According to the third aspect of the invention, in addition to the effect of the first aspect, in each pattern connection land of the printed wiring board on the connection side and the printed wiring board on the connected side, a member having low solder wettability is provided between the pattern connection lands. Since it is provided, for example, when soldering is performed automatically, there is an advantage that the occurrence of a solder bridge can be suppressed and a defective short circuit can be prevented.
[0021]
According to the fourth aspect of the invention, in addition to the effect of the first aspect, the printed wiring board on the connection side is a multilayer printed wiring board, and an insulating material is applied to the connection protrusion of the printed wiring board on the connection side and the vicinity thereof. Therefore, even if there is a wiring pattern near the long hole formed in the multilayer printed wiring board on the connected side, even if there is a connecting protrusion inserted into the long hole and the vicinity thereof, there is an insulating material. And there is an advantage that the insulation property of the wiring pattern near the long hole can be made sufficient.
[Brief description of the drawings]
1A and 1B show an embodiment of the present invention, in which FIG. 1A is a front view of a connection side printed wiring board, FIG. 1B is a rear view of a connection side printed wiring board, and FIG. FIG. 3 is a front view of the printed wiring board of FIG.
2A and 2B show a manufacturing process of the above, wherein FIG. 2A is a partial schematic perspective view, FIG. 2B is a sectional view of FIG. 2A, FIG. 2C is a partial schematic perspective view, and FIG. (E) is a partial schematic perspective view, and (f) is a sectional view of (e).
3A and 3B show a connection state of the above, where FIG. 3A is a side view and FIG. 3B is a front view.
FIGS. 4A and 4B show the same operation, wherein FIG. 4A is a perspective view from the back side before connection, and FIG. 4B is a perspective view after connection.
5A and 5B show the operation of the above, wherein FIG. 5A is a perspective view from the front side before connection, and FIG. 5B is a perspective view after connection.
FIG. 6 is an explanatory diagram of a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Printed wiring board on connection side 2 Printed wiring board on connected side 3 Slot 4 Land of printed wiring board on connection side 5 Connection projection 6 Land on printed wiring board on connected side

Claims (4)

接続側のプリント配線板を被接続側のプリント配線板に電気的及び機械的に接続したプリント配線板であって、被接続側のプリント配線板に長孔を形成し、長孔の近傍にパターン接続ランドを形成し、接続側のプリント配線板の一端に長孔に差し込む接続突部を形成し、接続突部の近傍にパターン接続ランドを形成し、接続突部を長孔に差し込み接続し、接続側のプリント配線板のパターン接続ランドと被接続側のプリント配線板のパターン接続ランドとを半田付けして成ることを特徴とするプリント配線板。A printed wiring board in which a connection-side printed wiring board is electrically and mechanically connected to a connected-side printed wiring board, wherein a long hole is formed in the connected-side printed wiring board, and a pattern is formed near the long hole. Forming a connection land, forming a connection projection at one end of the printed wiring board on the connection side to be inserted into the elongated hole, forming a pattern connection land near the connection projection, inserting the connection projection into the elongated hole and connecting; A printed wiring board comprising a pattern connection land of a connection side printed wiring board and a pattern connection land of a connection side printed wiring board which are soldered. 接続側のプリント配線板と被接続側のプリント配線板との各パターン接続ランドにおいて、一又は複数を他に比べて大きくして半田付けによる機械的接続強度を高めて成ることを特徴とする請求項1記載のプリント配線板。In each of the pattern connection lands of the printed wiring board on the connection side and the printed wiring board on the connected side, one or more of the lands are made larger than the others to increase the mechanical connection strength by soldering. Item 2. The printed wiring board according to Item 1. 接続側のプリント配線板と被接続側のプリント配線板の各パターン接続ランドにおいて、パターン接続ランド間に半田濡れ性の低い部材を設けて成ることを特徴とする請求項1記載のプリント配線板。2. The printed wiring board according to claim 1, wherein a member having low solder wettability is provided between the pattern connection lands on each of the pattern connection lands of the connection-side printed wiring board and the connected-side printed wiring board. 被接続側のプリント配線板は多層プリント配線板であり、接続側のプリント配線板の接続突部及びその近傍に絶縁材を塗布して成ることを特徴とする請求項1記載のプリント配線板。2. The printed wiring board according to claim 1, wherein the connection-side printed wiring board is a multilayer printed wiring board, and is formed by applying an insulating material to the connection projections of the connection-side printed wiring board and the vicinity thereof.
JP2002246143A 2002-08-27 2002-08-27 Printed distribution board Withdrawn JP2004087748A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008166620A (en) * 2006-12-29 2008-07-17 Sanyo Electric Co Ltd Circuit device and digital broadcast receiver
WO2020021742A1 (en) * 2018-07-26 2020-01-30 三菱電機株式会社 Printed circuit board

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008166620A (en) * 2006-12-29 2008-07-17 Sanyo Electric Co Ltd Circuit device and digital broadcast receiver
WO2020021742A1 (en) * 2018-07-26 2020-01-30 三菱電機株式会社 Printed circuit board
CN112425273A (en) * 2018-07-26 2021-02-26 三菱电机株式会社 Printed circuit board
US11445609B2 (en) 2018-07-26 2022-09-13 Mitsubishi Electric Corporation Printed circuit board
CN112425273B (en) * 2018-07-26 2023-11-14 三菱电机株式会社 Printed circuit board with improved heat dissipation

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