WO2005104303A1 - 配線分岐装置 - Google Patents
配線分岐装置 Download PDFInfo
- Publication number
- WO2005104303A1 WO2005104303A1 PCT/JP2004/004545 JP2004004545W WO2005104303A1 WO 2005104303 A1 WO2005104303 A1 WO 2005104303A1 JP 2004004545 W JP2004004545 W JP 2004004545W WO 2005104303 A1 WO2005104303 A1 WO 2005104303A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hole
- wiring
- branching device
- contact pin
- contact
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
- H05K1/0246—Termination of transmission lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
- H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
- H01R13/6625—Structural association with built-in electrical component with built-in single component with capacitive component
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistors
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
- H05K3/321—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by conductive adhesives
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistors, capacitors or inductors
- H05K1/167—Printed circuits incorporating printed electric components, e.g. printed resistors, capacitors or inductors incorporating printed resistors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/04—Assemblies of printed circuits
- H05K2201/044—Details of backplane or midplane for mounting orthogonal PCBs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10189—Non-printed connector
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10431—Details of mounted components
- H05K2201/1059—Connections made by press-fit insertion
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/14—Related to the order of processing steps
- H05K2203/1446—Treatment after insertion of lead into hole, e.g. bending, cutting, caulking or curing of adhesive but excluding soldering
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistors
- H05K3/306—Assembling printed circuits with electric components, e.g. with resistors with lead-in-hole components
- H05K3/308—Adaptations of leads
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
- H05K3/429—Plated through-holes specially for multilayer circuits, e.g. having connections to inner circuit layers
Definitions
- the present invention relates to a wiring branching device, and more particularly to a device for suppressing reflection noise generated when a high-speed signal is branched.
- a communication base station apparatus which is configured to be capable of attaching an external circuit device as this type of wiring branching device.
- a plurality of connectors hereinafter, connectors on the backboard side are referred to as “plugs”
- plugs connectors on the backboard side
- a board hereinafter, referred to as a “backboard”
- receptacle the connector mounted on the external printed circuit board is called “receptacle”.
- the main wiring provided on the backboard is configured to branch toward each external printed circuit board, and when transmitting high-speed signals, reflection noise occurs at the branch point .
- a series resistor described in Japanese Patent Application Laid-Open No. H10-302899 is mounted in contact with a main wiring provided on a motherboard, and the main wiring is connected to the mother wiring. This is to match the impedance with the memory module mounted on the board.
- an object of the present invention is to provide a wiring branching device that can reduce the mounting area of the matching resistor while sufficiently suppressing the reflection noise due to the branching wiring.
- the present invention provides a through hole provided in the middle of a main wiring path as a signal transmission path wired on a mother board, a contact bin accommodated in the through hole, and having an outer diameter smaller than the inner diameter of the through hole, An external circuit device electrically connected to the contact pin, a resistive resin filled between the through hole and the contact bin, wherein the through hole and the contact pin are connected via the resistive resin;
- the wiring branching device is electrically connected and branches and transmits the signal of the main wiring to the external circuit device.
- a matching resistor can be arranged at a branch point of a circuit. It is possible to prevent reflection noise generated from the branch wiring up to the use resistor.
- the through holes for accommodating the contact bins electrically connected to the external circuit device are filled with the resistive resin, it is not necessary to secure an area for arranging the matching resistors on the mother board.
- FIG. 1 is a perspective view showing a configuration of a wiring branching device according to Embodiment 1 of the present invention.
- FIG. 2 is a perspective view showing a main part of the wiring branching device according to Embodiment 1 of the present invention.
- FIG. 3 is a perspective view showing a main part of the wiring branching device according to Embodiment 1 of the present invention. '
- FIG. 4 is a plan view showing a main part of the wiring branching device according to Embodiment 1 of the present invention.
- FIG. 5 is a cross-sectional view showing a main part of the wiring branching device according to Embodiment 1 of the present invention.
- FIG. 6 is a circuit diagram showing an operation of the wiring branching device according to Embodiment 1 of the present invention.
- FIG. 7 is a sectional view showing a method of assembling the wiring branching device according to Embodiment 1 of the present invention.
- FIG. 8 is a sectional view showing a wiring branching device according to Embodiment 2 of the present invention.
- FIG. 9 is a sectional view showing a method of assembling the wiring branching device according to Embodiment 3 of the present invention.
- FIG. 10 is a sectional view showing a wiring branching device according to Embodiment 5 of the present invention.
- the wiring branching device 1 which is a communication base station device
- a back board 2 which is a laminated printed wiring board having a signal transmission path is provided on the rear surface of the casing constituting the first component.
- a plurality of plugs 3 are fixed to the back board 2, and a signal output from a drive card 4 or a drive 4 for driving is mainly transmitted to each plug 3.
- a receiving device 5 is attached as an external circuit device for receiving the signal via the wiring printed on the back board 2. The configuration of the plug 3 and the receiving card 5 for receiving will be described with reference to FIG. 2 and FIG.
- the receiving card 5 for reception has a plurality of through holes 7 on a printed wiring board 6, and a plurality of wirings formed in each through hole 7 so as to protrude from the surface of the receptacle 8. Terminals 9 are soldered or press-fitted after insertion.
- the receptacle 8 has a plurality of plug openings 10 electrically connected to the respective wiring terminals 9.
- the plug 3 has a concave cross section so as to guide each card, and is fixed to the backboard 2. As shown in FIG. 5, the plug 3 has a contact pin 12 projecting therefrom. Also, one end of the contact pin 12 is inserted into the plug opening 10 of the receptacle 8 to electrically connect the contact bin 12 and the through hole 7 of the printed wiring board 6.
- FIG. 4 showing the surface of the backboard
- FIG. 5 showing the state where the plug 3 is fixed to the backboard 2 shown in cross section.
- the knock board 2 has a plurality of through-holes on its surface. Of the plurality of through-holes, a clock signal printed wiring (main wiring) 14 for which high-speed transmission is required.
- the clock signal through hole 15 provided in the middle of the path is formed so as to have a large inner diameter.
- the transmission through hole 17 is formed to have an inner diameter smaller than the inner diameter of the clock signal through hole 15.
- the through hole 15 for the clock signal is formed to have a larger inner diameter than the outer shape of the 0-shaped portion 13 of the contact pin 12. Therefore, when the contact pin 12 is accommodated in the clock signal through-hole 15, it does not directly contact the clock signal through-hole 15. Further, between the contact pin 12 and the clock signal through-hole 15, for example, a paste-like conductive adhesive 18 having thermoplasticity made using carbon black is filled.
- the distance from the inner wall of the through hole 15 for the clock signal to the contact bin 12 is 0.075 due to an assembly error. Even if the distance fluctuates between 0.225 mm, the resistance value of the conductive adhesive 18 embedded between the inner wall of the clock signal through hole 15 and the contact pin 12 is 4 It is in the range of 0 ⁇ ⁇ 20 ⁇ , and functions effectively as a matching circuit.
- FIG. 6 showing a circuit diagram of the wiring branching device according to the first embodiment.
- the wiring branching device having the above-described configuration includes, as shown in FIG. Since the conductive adhesive 18 having t and the matching resistor 19 are connected, the clock signal output from the drive card 4 passes through the clock signal print wiring 14 and When branching to each receive doyu card 5, the reflection noise Does not occur.
- the position of the clock signal through hole 15 is filled with a conductive adhesive 18 using a dispenser 1.
- contact pins 12 protruding from plug 3 are inserted into corresponding through holes 15 for clock signals or through holes 17 for data transmission. Since the through hole 17 for data transmission is formed to have an inner diameter enough to accommodate the contact bin 12 in a compressed state, the contact bin 12 corresponding to the through hole 17 for data transmission is formed.
- the contact pin 12 in the through-hole 15 for the click signal is fixed, and the contact pin 12 comes into contact with the inner wall of the through-hole 15 for the clock signal. Can be prevented.
- the wiring branching device 1 has a through hole 17 for data transmission for press-fitting a contact pin 12 and a plug 3 on the back board 2. Since two or more are provided at the corresponding positions, the position of the corresponding contact pin 12 in the clock signal through hole 15 is accurately determined.
- the backboard 2 and the plug 3 are placed in a heating furnace, the conductive adhesive 18 is cured, and the contact bins 12 and the clock are contacted. Fix the through hole 15 for signal.
- a conductive adhesive (resistive resin) 18 is filled between the contact hole 12 and the clock signal through-hole 15 provided in the middle of the clock signal printed wiring (main wiring) 14. This makes it possible to directly arrange the matching resistor at the branch point of the circuit, thereby preventing reflection noise generated from the branch wiring from the branch point to the matching resistor.
- a conductive adhesive (resistive resin) is filled in the through-holes 15 containing the contact bins 12 electrically connected to the receiving card 4 (external circuit device) for receiving, so that the backboard (Mother board) It is not necessary to secure a region for arranging matching resistors on the mother board.
- the conductive adhesive 18 disposed between the inner wall of the clock signal through hole 15 and the contact pin 12 provides a sufficiently accurate resistance value to function as a matching resistor.
- the through hole 17 for receiving the contact bin 12 in contact with the inner wall compresses and accepts the corresponding contact bin 12 so that the contact bin 12 accommodated in the clock signal through hole 15 can be positioned. Becomes more accurate.
- the wiring branching device 1 according to the second embodiment will be described with reference to FIG.
- the wiring branching device 1 according to the first embodiment uses a dispenser to fill the clock signal through hole 15 with the conductive adhesive 18 in all parts.
- the wiring branching device 1 fills the conductive adhesive with a part of the clock signal through hole 15 by adjusting the amount of the conductive adhesive discharged from the capacitor.
- the resistance value can be changed depending on the amount of the conductive adhesive to be filled, it is possible to adjust the resistance value after the clock signal through hole 15 is formed in the backboard 2. it can.
- the wiring branching device 1 uses a dispenser to inject a conductive adhesive 18 into a through hole 15 for a click signal provided on a back board 2.
- masking may be performed with a film provided with an opening at a position corresponding to only the through hole 15 for the clock signal on the clock signal 2, and a conductive adhesive may be applied to the entire surface of the masked back board 2. Even with such a manufacturing method, since the existing soldering machine can be used, the manufacturing cost of the backboard 2 can be reduced.
- the wiring branching device 1 according to the third embodiment performs masking with a film having an opening only in a portion corresponding to the clock signal through-hole 15 out of the through-holes provided in the backboard 2.
- the wiring branching device 1 according to the fourth embodiment is characterized in that the back board 2 is masked with a film having openings at positions corresponding to all the through holes.
- the wiring branching device 1 according to the fourth embodiment is configured such that after the conductive adhesive is applied to the entire backboard 2, 12 is inserted into the corresponding through hole, and the conductive adhesive is cured.
- a state can be formed in which no resistance is interposed between the pin 12 and the transmission through hole 1 mm.
- the fourth embodiment when providing an opening in the film for masking the backboard 2, if the opening is provided at a position corresponding to all of the plurality of through holes described in the board design drawing. good. That is, when forming a film for masking, it is possible to reduce the step of selecting through holes to be provided with openings at corresponding positions from the board design drawing.
- the wiring branching device 1 according to the first to fourth embodiments is configured such that the clock signal through-hole 15 is filled with the conductive adhesive 18.
- the wiring branching device 1 according to the fourth embodiment The present invention is characterized in that a connector bin 12, which is covered with a resistive resin film 20, is compressed and accommodated in a through hole 15 for a clock signal.
- the resistance value can be strictly adjusted by the resistive resin film 20. Therefore, the wiring branching device 1 with more accurate impedance matching is provided. be able to.
- an object configured to fill the conductive adhesive or the resistive resin film between the inner wall of the through hole and the connector pin transmits the clock signal.
- the branch wiring device transmits high-speed signals, even if it is a short branch wiring, it can be used as a through hole for transmitting any kind of signal. Even if it is applied to contact pins, it has a sufficient effect.
- the contact bin 12 and the through hole for receiving the contact bin 12 by contacting the inner wall are provided.
- the printed wiring 16 for data transmission is branched, but the wiring branching device 1 according to the seventh embodiment receives the contact bin 12 and the contact bin 12 by contacting the inner wall.
- the through hole 17 is characterized in that a printed wiring for ground (main wiring for ground) or a printed wiring for power supply (main wiring for power supply) is branched.
- the contact pins 12 for overnight data transmission are placed inside the through holes 15 for the clock signal. Even if it cannot be used to position the corresponding contact bin 12, a contact pin for positioning can be secured.
- the wiring branching device 1 inserts the contact pins 12 into the clock signal through holes 15 filled with the conductive adhesive 18, but the contact pins 12 are inserted.
- the conductive holes 18 may be filled in the through holes 15 for clock signals with a dispenser.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
- Structure Of Printed Boards (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2004/004545 WO2005104303A1 (ja) | 2004-03-30 | 2004-03-30 | 配線分岐装置 |
| JP2006512425A JP4129278B2 (ja) | 2004-03-30 | 2004-03-30 | 配線分岐装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2004/004545 WO2005104303A1 (ja) | 2004-03-30 | 2004-03-30 | 配線分岐装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005104303A1 true WO2005104303A1 (ja) | 2005-11-03 |
Family
ID=35197310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/004545 Ceased WO2005104303A1 (ja) | 2004-03-30 | 2004-03-30 | 配線分岐装置 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4129278B2 (ja) |
| WO (1) | WO2005104303A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009016064A (ja) * | 2007-07-02 | 2009-01-22 | Alpha- Design Kk | 通電部の腐食とコネクタの脱落を防止する基板とコネクタの端子及びその搭載方法 |
| FR2996365A1 (fr) * | 2012-10-03 | 2014-04-04 | Valeo Sys Controle Moteur Sas | Procede d'assemblage d'une broche de connexion traversante avec une carte electronique |
| WO2017009922A1 (ja) * | 2015-07-13 | 2017-01-19 | 富士機械製造株式会社 | 配線形成方法および配線形成装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62252193A (ja) * | 1986-04-24 | 1987-11-02 | 日本電気株式会社 | プリント基板のスル−ホ−ルと部品リ−ドとの接続方法 |
| JPH0982420A (ja) * | 1995-09-12 | 1997-03-28 | Hitachi Ltd | コネクタ |
| JPH10302899A (ja) * | 1997-04-24 | 1998-11-13 | Mitsubishi Electric Corp | コネクタ及びマザーボード |
| JP2000058696A (ja) * | 1998-08-10 | 2000-02-25 | Nec Corp | Pgaパッケージ |
| JP2000082517A (ja) * | 1998-09-03 | 2000-03-21 | Hitachi Commun Syst Inc | プレスフィット付きコンタクト |
-
2004
- 2004-03-30 JP JP2006512425A patent/JP4129278B2/ja not_active Expired - Fee Related
- 2004-03-30 WO PCT/JP2004/004545 patent/WO2005104303A1/ja not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62252193A (ja) * | 1986-04-24 | 1987-11-02 | 日本電気株式会社 | プリント基板のスル−ホ−ルと部品リ−ドとの接続方法 |
| JPH0982420A (ja) * | 1995-09-12 | 1997-03-28 | Hitachi Ltd | コネクタ |
| JPH10302899A (ja) * | 1997-04-24 | 1998-11-13 | Mitsubishi Electric Corp | コネクタ及びマザーボード |
| JP2000058696A (ja) * | 1998-08-10 | 2000-02-25 | Nec Corp | Pgaパッケージ |
| JP2000082517A (ja) * | 1998-09-03 | 2000-03-21 | Hitachi Commun Syst Inc | プレスフィット付きコンタクト |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009016064A (ja) * | 2007-07-02 | 2009-01-22 | Alpha- Design Kk | 通電部の腐食とコネクタの脱落を防止する基板とコネクタの端子及びその搭載方法 |
| FR2996365A1 (fr) * | 2012-10-03 | 2014-04-04 | Valeo Sys Controle Moteur Sas | Procede d'assemblage d'une broche de connexion traversante avec une carte electronique |
| WO2017009922A1 (ja) * | 2015-07-13 | 2017-01-19 | 富士機械製造株式会社 | 配線形成方法および配線形成装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2005104303A1 (ja) | 2007-08-30 |
| JP4129278B2 (ja) | 2008-08-06 |
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