CN101123851B - Silk-screen printing method for flexible printing wiring plate - Google Patents

Silk-screen printing method for flexible printing wiring plate Download PDF

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Publication number
CN101123851B
CN101123851B CN2007101094580A CN200710109458A CN101123851B CN 101123851 B CN101123851 B CN 101123851B CN 2007101094580 A CN2007101094580 A CN 2007101094580A CN 200710109458 A CN200710109458 A CN 200710109458A CN 101123851 B CN101123851 B CN 101123851B
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China
Prior art keywords
printing
reinforcing member
screen printing
goods
protuberance
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Expired - Fee Related
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CN2007101094580A
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Chinese (zh)
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CN101123851A (en
Inventor
海野伦宏
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Nippon Mektron KK
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Nippon Mektron KK
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Publication of CN101123851A publication Critical patent/CN101123851A/en
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Publication of CN101123851B publication Critical patent/CN101123851B/en
Expired - Fee Related legal-status Critical Current
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  • Electric Connection Of Electric Components To Printed Circuits (AREA)
  • Screen Printers (AREA)
  • Printing Methods (AREA)
  • Structure Of Printed Boards (AREA)
  • Manufacturing Of Printed Wiring (AREA)

Abstract

The invention relates to a silk-screen printing method of a flexible printed wiring board. The invention provides a printing method, which inhibits the print deficiency induced by a step portion when doing a silk-screen printing to the soldering paste for installing the parts on the FPC whose installation part is provided with a reinforcing part inside. The reinforcing part is in the direction perpendicular to the moving direction of the printing rubber scraper and is formed in a mode of larger than the figuration of the flexible printed wiring board product, and, is configurated a projection portion at the side opposite to the moving direction of the printing rubber scraper at the outer portion of the product figuration. The printing rubber scraper jumps to the projection portion for moving during the silk-screen printing.

Description

The method for printing screen of flexible printing patch panel
Technical field
The present invention relates to the method for printing screen of flexible printing patch panel, particularly relate in the inside of parts installation position and having pasted on the flexible printing patch panel of reinforcing member, when the paste scolding tin that is used for the parts installation is carried out silk screen printing, the method for printing screen of the flexible printing patch panel of the printing deficiency that the inhibition stage portion causes.
Background technology
Flexible printing patch panel (hereinafter referred to as FPC) therefore after reinforcing member is pasted in the inside of parts installation position, carries out the installation of parts because the mechanical strength that parts are installed is little.Fig. 5 (a), 5 (b) represent existing general FPC51, and the outside of the goods profile 52 of the FPC that two chain-dotted lines are represented does not need part punching press to remove in the operation of back.
The parts installation position 53 of grid representation makes the printing squeegee move to the direction of arrow as described later, on the surface of FPC51 paste scolding tin is carried out silk screen printing.In addition, be pasted with reinforcing member 54 in the inside of parts installation position 53.For the ease of pasting etc., this reinforcing member 54 according to forming than goods profile 52 big modes, in the operation of back, carries out punching press along goods profile 52 to it on the direction vertical with the moving direction of printing squeegee.
Fig. 6 (a)~6 (d) represents existing screen printing process, shown in Fig. 6 (a), the FPC51 location of having pasted above-mentioned reinforcing member 54 is positioned on the print station 55, then produces the so much stage portion of thickness of reinforcing member 54 on FPC51.
Shown in Fig. 6 (b), printing squeegee 56 is moved to the direction of arrow, simultaneously screen printing plate 57 is pressed on the surface of FPC51, paste scolding tin is carried out silk screen printing, but shown in Fig. 6 (c), the step part having pasted reinforcing member 54 has produced pleat line 58 on screen printing plate 57.Shown in Fig. 6 (d), printing squeegee 56 is crossed step part, then by the tension force of screen printing plate 57, the pleat line is eliminated.
Like this, printing squeegee 56 produces pleat line 58 during by step part, and at this moment, 57 moments of screen printing plate are left the surface of FPC51, thus, screen printing plate 57 leave during, do not smear paste scolding tin on the surface of FPC51, it is not enough that printing takes place.The printing deficiency of paste scolding tin takes place, then can't guarantee parts on the terminal of FPC51 install in necessary soldering tin amount, have the unfavorable condition of the reliability decrease that parts install.
At present known have in having the distributing board of stage portion, and external coating agent etc. carries out the occasion of silk screen printing, forms stage portion in advance on print station, makes printing surface method of flattening (such as referring to patent documentation 1).In addition, it is also known for concavo-convex according to goods, carry out method of printing (such as referring to patent documentation 2) from stage portion being set on one's body at screen printing plate.And then, it is also known for the tension force that weakens screen printing plate, follow the printing process (such as referring to patent documentation 3) of stage portion.
Patent documentation 1 Japanese kokai publication hei 5-259225 communique
Patent documentation 2 TOHKEMY 2003-80859 communiques
Patent documentation 3 TOHKEMY 2002-154281 communiques
Summary of the invention
The invention of patent documentation 1 record, each goods all needs special-purpose print station, is not suitable for the produced in small quantities of many kinds.
The invention of patent documentation 2 records reduces the mechanical strength of screen printing plate by stage portion being set on one's body certainly at screen printing plate.
Patent documentation 3 records are invented, and weaken the tension force of screen printing plate, and screen printing plate self extends when then printing, and positional precision reduces.In recent years, because the parts installation position all becomes very narrow distance, so to depart from be not preferred in the printing position.
Therefore, the object of the present invention is to provide a kind of printing process, pasted in the inside of parts installation position on the FPC of reinforcing member, when the paste scolding tin that is used for the parts installation is carried out silk screen printing, suppress the printing deficiency that stage portion causes.
The present invention proposes in order to achieve the above object, the invention of scheme 1 record provides the method for printing screen of a kind of FPC, pasted in the inside of parts installation position on the surface of FPC of reinforcing member paste scolding tin has been carried out silk screen printing, it is characterized in that, above-mentioned reinforcing member with the printing squeegee the vertical direction of moving direction, form according to the mode bigger than the goods profile of FPC, and, Outboard Sections in the goods profile, form protuberance in a side opposite with the moving direction of printing squeegee, when silk screen printing, above-mentioned printing squeegee jumps onto above-mentioned protuberance and moves.
According to this scheme, reinforcing member is at the Outboard Sections of goods profile, be formed with protuberance in a side opposite with the moving direction of printing squeegee, therefore above-mentioned printing squeegee moves when silk screen printing, and the step part of then pasting the protuberance of reinforcing member produces the pleat line on screen printing plate.By this pleat line, even screen printing plate and FPC surface moment separates,, be the zone of not printing paste scolding tin therefore owing to be the nearside that needs printing zone of parts installation position, needn't worry to occur not enough.
The printing squeegee is crossed the step part of protuberance, moves to reinforcing member, then by the tension force of screen printing plate the pleat line is eliminated, and the printing zone that needs in the parts installation position does not produce the printing deficiency of paste scolding tin.And the protuberance of above-mentioned reinforcing member does not need part as the outside of goods profile, and removal will be stamped in the operation of back.
The invention of scheme 2 records provides the method for printing screen as scheme 1 described flexible printing patch panel, it is characterized in that, form in the following manner: on the direction vertical, be arranged side by side a plurality of goods with the moving direction of above-mentioned printing squeegee, the goods of striding adjacency form above-mentioned reinforcing member, and between the goods of adjacency shared above-mentioned protuberance.
According to this scheme, on the direction vertical, on the FPC of wide cut, be arranged side by side the occasion of a plurality of goods with the moving direction of printing squeegee, shared above-mentioned protuberance is sought the reduction of the cost of manufacture of reinforcing member thus between the goods of adjacency.
Among the present invention, reinforcing member is at the Outboard Sections of goods profile, be formed with protuberance in a side opposite with the moving direction of printing squeegee, therefore when printing the step part of squeegee by protuberance, on screen printing plate, produce the pleat line, but because this protuberance is the nearside that needs printing zone of parts installation position, be the zone of not printing paste scolding tin therefore, needn't worry to occur not enough.And the printing squeegee is crossed step part and is moved to the parts installation position, because the pleat line of screen printing plate is eliminated, so can not produce the printing deficiency of paste scolding tin at the printing zone that needs of parts installation position.In addition, the protuberance of above-mentioned reinforcing member will not need part as the outside of goods profile and will be removed in the operation of back, therefore can not have any impact to goods.
Like this, can evenly and positively print in the parts installation position of FPC paste scolding tin.
Description of drawings
Fig. 1 (a), 1 (b) are the key diagram of the FPC of the expression embodiment of the invention 1.
Fig. 2 (a)~2 (d) is the key diagram of the screen printing process of expression FPC of the present invention.
Fig. 3 is the key diagram of an example of the geomery of the reinforcing member of expression FPC of the present invention.
Fig. 4 is the key diagram of the FPC of expression embodiments of the invention 2.
Fig. 5 (a), 5 (b) are the key diagram of the existing FPC of expression.
Fig. 6 (a)~6 (d) is the key diagram of the screen printing process of the existing FPC of expression.
Embodiment
Below enumerating suitable embodiment describes the method for printing screen of flexible printing patch panel of the present invention (FPC).Pasted among the FPC of reinforcing member in the inside of parts installation position, when the paste scolding tin that is used for the parts installation is carried out silk screen printing, produce the not enough purpose of printing in order to reach inhibition by stage portion, the present invention realizes by following proposal, promptly, above-mentioned reinforcing member with the printing squeegee the vertical direction of moving direction, form according to the mode bigger than the goods profile of FPC, and Outboard Sections in the goods external form, form protuberance in a side opposite with the moving direction of printing squeegee, when silk screen printing, above-mentioned printing squeegee jumps onto above-mentioned protuberance and moves.
Embodiment 1
The flexible printing patch panel (FPC) 1 of Fig. 1 (a), 1 (b) expression embodiments of the invention 1, the outside of the goods profile 2 of the FPC that double dot dash line is represented do not need part punching press to remove in the operation of back.In the parts installation position 3 of grid representation, as described later, the printing squeegee is moved to the direction of arrow, on the surface of FPC1, paste scolding tin is carried out silk screen printing.And, be pasted with reinforcing member 4 in the inside of parts installation position 3.For the ease of pasting, this reinforcing member 4 with the vertical direction of moving direction of printing squeegee, according to forming than goods profile 2 big modes, and, at the Outboard Sections of goods profile 2, be formed with protuberance 4a in a side opposite with the moving direction of printing squeegee.
The screen printing process of Fig. 2 (a)~2 (d) expression FPC1 of the present invention, shown in Fig. 2 (a), with having pasted the FPC1 location of above-mentioned reinforcing member 4 and being placed on the print station 5, the so much stage portion of thickness of reinforcing member 4 and protuberance 4a then appears on FPC1.
Shown in Fig. 2 (b), printing squeegee 6 is moved to the direction of arrow, simultaneously, screen printing plate 7 is pressed in the surface of FPC1, paste scolding tin is carried out silk screen printing, but shown in Fig. 2 (c),, on screen printing plate 7, produce pleat line 8 at the step part of the protuberance 4a that has pasted reinforcing member 4.
By this pleat line 8,,,, needn't worry to produce not enough so be a side of paste scolding tin not being printed because this protuberance 4a is the nearside that needs printing zone of parts installation position 3 even 7 moments of screen printing plate are left the surface of FPC1.
Shown in Fig. 2 (d), printing squeegee 6 is crossed the step part of protuberance 4a, moves to reinforcing member 4, then by the tension force of screen printing plate 7 the pleat line is eliminated, thus, the printing zone that needs in parts installation position 3 can not produce the printing deficiency of paste scolding tin.In addition, the protuberance 4a of above-mentioned reinforcing member will remove as not the needing part of goods profile 2 in the operation of back, therefore can not have any impact to goods.
Like this, can on the parts installation position 3 of FPC1, evenly and positively carry out silk screen printing to paste scolding tin.
Fig. 3 represents the example of geomery of the protuberance 4a of above-mentioned reinforcing member, and the length of this protuberance 4a is preferably more than the 10mm.This protuberance 4a is less than the words of 10mm, before then the pleat line being eliminated by the tension force of screen printing plate 7, printing squeegee 6 might move to the parts installation position 3 of reinforcing member 4, at that rate, will produce the printing deficiency of paste scolding tin on the parts installation position 3.
In addition, the width of protuberance 4a is preferably more than the 2mm.The width of this protuberance 4a is less than 2mm, and then because the stage portion that squeegee 6 is followed protuberance 4a is printed in the distortion of printing squeegee 6 front ends, the pleat line of screen printing plate 7 might arrive parts installation position 3.
Like this, be more than the 10mm as long as can guarantee the length of the protuberance 4a of above-mentioned reinforcing member, width is more than the 2mm, then the shape of protuberance 4a is not limited to illustrated rectangle, also can be other shape.In addition, the thickness of reinforcing member 4 is roughly 0.2~1.0mm.
Embodiment 2
Fig. 4 represents embodiments of the invention 2, and the direction vertical at the moving direction of the printing squeegee of representing with arrow is on the FPC11 of wide cut, is set up in parallel the occasion of a plurality of goods 12, and the parts installation position 13 of striding the goods 12 of adjacency forms reinforcing members 14.In embodiment 2, according to each reinforcing member 14 protuberance is not set individually, the mode of shared protuberance 14a forms between the goods 12,12 of adjacency.Thus, help the designs simplification of reinforcing member 14 and protuberance 14a, cost reduces.
Though it is not shown, stride a plurality of goods 12 that are arranged side by side, the printing squeegee of wide cut is moved to the direction shown in the arrow, simultaneously, screen printing plate is pressed in the surface of FPC11, paste scolding tin is printed, but similarly to Example 1, step part at the protuberance 14a that has pasted reinforcing member 14, on screen printing plate, produce pleat line 8, but owing to be the nearside that needs printing zone of parts installation position 13, be the zone of paste scolding tin not being printed therefore, needn't worry to produce not enough.
And the printing squeegee is crossed the step part of protuberance 14a, moves to reinforcing member 14, then by the tension force of screen printing plate the pleat line is eliminated, and thus, the printing zone that needs in parts installation position 13 does not produce the printing deficiency of paste scolding tin.Have, the protuberance 14a of above-mentioned reinforcing member will not need part as the outside of goods 12 and the punching press removal in the operation of back, so can not have any impact to goods again.
Like this, can on the parts installation position 13 of FPC11, evenly and positively print paste scolding tin.
In addition, only otherwise break away from spirit of the present invention, the present invention can make various changes, and the present invention also naturally relates to the scheme of this change.

Claims (2)

1. the method for printing screen of a flexible printing patch panel is used on the surface of flexible printing patch panel paste scolding tin being carried out silk screen printing, and reinforcing member has been pasted in the inside of the parts installation position on described flexible printing patch panel, it is characterized in that,
Above-mentioned reinforcing member forms according to the mode bigger than the goods profile of flexible printing patch panel in the direction vertical with the moving direction of printing squeegee, and, Outboard Sections in the goods profile, with the printing squeegee the opposite side of moving direction, the two ends of above-mentioned reinforcing member form protuberance respectively, when silk screen printing, above-mentioned printing squeegee jumps onto above-mentioned protuberance and moves.
2. the method for printing screen of flexible printing patch panel as claimed in claim 1 is characterized in that, forms in the following manner:
Be arranged side by side a plurality of goods on the direction vertical with the moving direction of above-mentioned printing squeegee, the goods of striding adjacency form above-mentioned reinforcing member, and between the goods of adjacency shared above-mentioned protuberance.
CN2007101094580A 2006-08-11 2007-06-21 Silk-screen printing method for flexible printing wiring plate Expired - Fee Related CN101123851B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006220531A JP4700577B2 (en) 2006-08-11 2006-08-11 Screen printing method for flexible printed wiring board
JP2006220531 2006-08-11
JP2006-220531 2006-08-11

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CN101123851A CN101123851A (en) 2008-02-13
CN101123851B true CN101123851B (en) 2010-11-03

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TW (1) TW200809396A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101652027B (en) * 2009-09-07 2011-05-04 皆利士多层线路版(中山)有限公司 Making process of circuit board with radiation fins
CN102285260B (en) * 2011-07-15 2015-03-04 孟祥祯 Anti-counterfeiting silk-screen printed image-word works and printing method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1431859A (en) * 1995-08-30 2003-07-23 松下电器产业株式会社 Silk screen printing method and silk-screen printing equipment
CN1805661A (en) * 2005-01-13 2006-07-19 华通电脑股份有限公司 Method of forming raised weld bulges on circuit board

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61249790A (en) * 1985-04-30 1986-11-06 Matsushima Kogyo Co Ltd Metal mask
JP2006130689A (en) * 2004-11-02 2006-05-25 Alpine Electronics Inc Metal mask and screen printing equipment
JP2006210609A (en) * 2005-01-27 2006-08-10 Mitsubishi Plastics Ind Ltd Tool for mounting printed-wiring board

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1431859A (en) * 1995-08-30 2003-07-23 松下电器产业株式会社 Silk screen printing method and silk-screen printing equipment
CN1805661A (en) * 2005-01-13 2006-07-19 华通电脑股份有限公司 Method of forming raised weld bulges on circuit board

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JP特开2002-154281A 2002.05.28
JP特开2003-80859A 2003.03.19
JP特开平5-259225A 1993.10.08

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TWI324705B (en) 2010-05-11
JP4700577B2 (en) 2011-06-15
CN101123851A (en) 2008-02-13
TW200809396A (en) 2008-02-16
JP2008047651A (en) 2008-02-28

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