CN102765266A - Printing steel plate, printing method, printing device and placement method thereof - Google Patents
Printing steel plate, printing method, printing device and placement method thereof Download PDFInfo
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- CN102765266A CN102765266A CN2011101143367A CN201110114336A CN102765266A CN 102765266 A CN102765266 A CN 102765266A CN 2011101143367 A CN2011101143367 A CN 2011101143367A CN 201110114336 A CN201110114336 A CN 201110114336A CN 102765266 A CN102765266 A CN 102765266A
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Abstract
The invention discloses a printing steel plate, a printing method, a printing device and a placement method thereof. The printing steel plate comprises a printing surface, a lower surface opposite to the printing surface, at least one printing hole capable of exposing an object to be printed on the printing surface and printing at least one second printing structure on the object to be printed, and at least one shield blind hole arranged on the lower surface, wherein the shield blind hole is a first printing structure corresponding to the object to be printed. The printing steel plate, provided by the invention, can be applied to a process for forming structures with different tin printing amounts on a single circuit board, such as processes of printing, placement and the like, so that the production efficiency of the product can be improved.
Description
Technical field
The present invention is relevant for a kind of steel plate, refers to a kind of printed steel plate especially and uses printing process, the printing equipment of this printed steel plate and put the part method.
Background technology
Tradition often utilizes printing process in the flow process of semiconductor manufacturing or electronic product production; For example wafer is positioned in the tool; And above this wafer, be provided with one include print pattern printing stencil; Through wafer being placed between this tool and this printing stencil, again with this pattern of printing material transfer printing on wafer, utilize temperature or special wavelength that this printing material is shaped at last and solidify in this crystal column surface.
For example printed steel plate is covered on the surface that places circuit board again in addition; And coating and printing material on it, like tin cream, and with scraper flat brush on printed steel plate of a tabular, cylindric or roller type; Printing material is pushed and is filled in the perforate on the printed steel plate to be attached to the precalculated position on the circuit board accordingly; Steel plate to be printed is with after circuit board separates, and tin cream can be attached on substrate or the wafer, electronic building brick is connected on the tin cream again; And utilize relevant processing procedure such as reflow to solidify tin cream, to accomplish the assembling of electronic component.
Yet; Above-mentioned known construction still has following shortcoming when reality is used: the aforementioned printing process steel plate of often need arranging in pairs or groups carries out, and the use of steel plate only can be printed the structure of the single seal tin of moulding amount; In other words, traditional printed steel plate is only applicable to print the print structure of single seal tin amount.When occurring the print structure of multiple different seal tin amounts in the product, only can be earlier with the structure of the less seal tin of press printing moulding amount, carry out operation that repair welding adds tin to supply the demand of seal tin amount with the mode of manual work again; Cause the inefficiency of production operation; For instance, carry out the repair welding operation, 1 minute consuming time approximately of the repair welding operation of each plate base with manual work; It is slow to pretend industry speed, and the control of the difficult quality of the tin cream of repair welding; In addition, also have the bonding machine of use to carry out the operation that repair welding adds tin, yet though can obtain preferable repair welding quality, operating speed still can't satisfy the line demand of producing.
Summary of the invention
The technical problem that the present invention solves is to propose a kind of printed steel plate, printing process, printing equipment and puts the part method; This printed steel plate can be applicable to the different printing process of number to be printed or puts the part method; With the print structure of formation different printing amount on article to be printed, and then activity durations increase, the processing procedure problem of low quality of avoiding conventional process to be caused because of number to be printed is different.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
The embodiment of the invention provides a kind of printed steel plate, its be applied to one have at least one first print structure article to be printed, this printed steel plate comprises: a printing surface; One lower surface with respect to this printing surface; At least one printing perforate, it makes these article to be printed be exposed to this printing surface, and at least one second print structure is printed on these article to be printed; And at least one blind hole of covering of being located at this lower surface, this covers blind hole to should first print structure.
In addition, the embodiment of the invention provides a kind of printing process, and it may further comprise the steps at least: article to be printed are provided, have at least one first print structure on it; And providing a printed steel plate and to scrape device to carry out a print steps, this printed steel plate includes: a printing surface; One lower surface with respect to this printing surface; At least one printing perforate; And at least one blind hole of covering of being located at this lower surface; Wherein in this print steps; This printing perforate makes these article to be printed be exposed to this printing surface; This scrapes device and forms at least one second print structure a printing material is printed on these article to be printed moving on this printing surface, and this covers blind hole to should first print structure.
In addition, the embodiment of the invention provides a kind of part method of putting, and it may further comprise the steps at least: article to be printed are provided, have at least one first print structure on it; Provide a printed steel plate and to scrape device to carry out a print steps, this printed steel plate includes: a printing surface; One lower surface with respect to this printing surface; At least one printing perforate; And at least one blind hole of covering of being located at this lower surface; Wherein in this print steps; This printing perforate makes these article to be printed be exposed to this printing surface; This scrapes device and forms at least one second print structure a printing material is printed on these article to be printed moving on this printing surface, and this covers blind hole to should first print structure; Carry out an assembly dressing step; And carry out a curing schedule.
The embodiment of the invention more provides a kind of printing equipment; It is applied to one have at least one first print structure article to be printed; This printing equipment comprises: printed steel plate; It has a printing surface, a lower surface with respect to this printing surface, at least one printing perforate and at least one blind hole of covering of being located at this lower surface; Wherein this printing perforate makes these article to be printed be exposed to this printing surface, and a printing material is printed on these article to be printed and forms at least one second print structure, and this covers blind hole to should first print structure; And one scrape device, and it is located at this printing surface of this printed steel plate, and this scrapes device and is moving so that this printing material is coated on these article to be printed on this printing surface.
The present invention has following useful effect:
The present invention mainly utilizes through hole and the design of blind hole on the printed steel plate, and when automatic printing second print structure, first print structure of first moulding can be printed blind hole on the steel plate and cover and protect.In view of the above, printed steel plate of the present invention can be applicable to difference is printed the processing procedure of shaping structures on single circuit board of tin amount, like printing, put processing procedure such as part, to improve the efficient of production.
For enabling further to understand characteristic of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet appended graphic only provide reference and the explanation usefulness, be not to be used for the present invention is limited.
Description of drawings
Fig. 1 is the sketch map that shows printed steel plate of the present invention.
Figure 1A is the cutaway view of A-A among Fig. 1.
Figure 1B is the cutaway view of B-B among Fig. 1.
Fig. 2 utilizes preposition printed steel plate of the present invention to make the sketch map of first print structure.
Fig. 3 is the cutaway view that shows C-C among Fig. 2.
Fig. 4 shows to utilize printed steel plate of the present invention to make the sketch map of second print structure.
Fig. 5 is the sketch map that shows the printed circuit board (PCB) that utilizes printing process made of the present invention.
Fig. 6 A is the sketch map that blind hole is covered first print structure that covers that shows printed steel plate.
Fig. 6 B shows to scrape the sketch map that device carries out the presswork of printing material.
Fig. 7 is the sketch map that blind hole is covered another form of first print structure that covers that shows printed steel plate.
Fig. 8 is the flow chart of method of the present invention.
The specific embodiment
The present invention proposes a kind of printed steel plate and printing thereof, puts the part method; This printed steel plate can be applicable to the number to be printed Different products; With the print structure of formation different printing amount on article to be printed, and then solve activity durations increase, the processing procedure problem of low quality that conventional process is caused because of number to be printed is different.
Please refer to Fig. 1, Figure 1A and Figure 1B; What printed steel plate 11 proposed by the invention had that printing surface 110A, the lower surface 110B with respect to printing surface 110A, at least one printing perforate 111 and at least one be located at lower surface 110B covers blind hole 112; Printed steel plate 11 of the present invention mainly be to be applied to one have at least one first print structure 20 article W to be printed; Form second print structure 21 (as shown in Figure 5) that number to be printed is different from first print structure 20 to go up, and promote the effect of overall printing processing procedure efficient in aforesaid article W to be printed.
Particularly, the printing perforate 111 of printed steel plate 11 makes article W to be printed be exposed to this printing surface 110A (shown in Fig. 6 B), in a print steps, at least one second print structure 21 is printed on this article W to be printed; In addition, the blind hole 112 of covering of printed steel plate 11 is to should first print structure 20, to be used to covering first print structure 20, makes first print structure 20 not receive the influence (shown in Fig. 6 A) of printing process.
Printing process proposed by the invention comprises that at least one uses the print steps of above-mentioned printed steel plate 11; Please refer to Fig. 8, be to do one with the processing procedure of the last print solder paste (being printing material 13) of printed circuit board (PCB) (being article W to be printed) to specify in following specific embodiment, but be not to be used to limit rights protection scope of the present invention.
At first, please cooperate shown in Figure 2ly, an article W to be printed is provided, have at least one first print structure 20 on it.In this specific embodiment, utilize a preposition printed steel plate 10 to go up printing moulding first print structure 20 earlier in printed circuit board (PCB) (being article W to be printed), it (is S101: the first paste solder printing step) that this step is preposition print steps.Can plan the zone of at least two kinds of different seal tin amounts on the printed circuit board (PCB) in advance; Be two kinds of different regional W1, W2 (for example designing different pad) that print the tin amounts of planning in one embodiment of this invention; For example, the seal tin amount of regional W2 is less, and the seal tin amount of regional W1 is relatively large; Cooperate Fig. 3 again; Has preposition printing perforate 101 on the preposition printed steel plate 10 corresponding to regional W2; So in the first paste solder printing step of S101; Be utilize preposition printed steel plate 10 preposition printing perforate 101 with paste solder printing in described regional W2, to form the first less print structure 20 (as shown in Figure 4) of seal tin amount.In addition, in the first paste solder printing step, more comprise the step of the tension force of measuring preposition printed steel plate 10 and be completed for printing the step that the thickness of first print structure 20 is measured in the back.
Again on the one hand, before the first paste solder printing step, more can include cleaning, the baking operation (S100) of printed circuit board (PCB), also can comprise operations such as tin cream control, stirring tin cream.
Next step is S103: the second print solder paste step; As shown in Figure 4; And cooperating Fig. 6 A, 6B, printed steel plate 11 of the present invention can be used for carrying out the paste solder printing operation of regional W1, does not have influence on the tin cream (i.e. first print structure 20) that has been printed in regional W2 again.Shown in Fig. 6 B, the printing surface 110A of printed steel plate 11 is provided with the corresponding device 12 that scrapes, and tin cream (being printing material 13) and printed circuit board (PCB) (being article W to be printed) are located at the printing surface 110A and the lower surface 110B of printed steel plate 11 respectively.On the other hand; The printing perforate 111 of printed steel plate 11 is corresponding to the regional W1 on the printed circuit board (PCB), and shown in Fig. 6 B, printing perforate 111 is to be connected to lower surface 110B by printing surface 110A; So that the regional W1 of printed circuit board (PCB) is exposed to this printing surface 110A; So move on this printing surface 110A when scraping device 12, so that the tin cream on the printing surface 110A is scraped, and this scrapes device 12 and can be similar devices such as a scraper; So when scraping device 12 through when printing perforate 111; Tin cream can be gone up by the regional W1 that printing perforate 111 is transferred to printed circuit board (PCB) forming second print structure 21 (like Fig. 5), and goes up needed seal tin amount because the thickness of the perforate size of printing perforate 111 and printed steel plate 11 is suitable for regional W1, and then satisfies the demands of the structure that on printed circuit board (PCB), forms different seal tin amounts.
At the same time; Shown in Fig. 6 A; Printed steel plate 11 of the present invention cover first print structure 20 of blind hole 112 corresponding to printed circuit board (PCB); So blind hole 112 cover caps that cover capable of using are in first print structure 20, so that the effect of covering to be provided, and then avoid first print structure 20 to receive the influence of second impression processing procedure (i.e. the second paste solder printing step).In particular, covering blind hole 112 is the height D2 greater than first print structure 20 by the downward depth D 1 that forms of the lower surface 110B institute indent of printed steel plate 11, in this specific embodiment; The printing height of first print structure 20 is equivalent to the thickness of preposition printed steel plate 10, and it is about 0.15mm, and when preposition printed steel plate 10 taken off; Maybe the whole height that make first print structure 20 be risen slightly; Be about 0.25mm, the depth D 1 of covering blind hole 112 is about 0.3mm (thickness of printed steel plate 11 is about 0.5mm), so make first print structure 20 not be contacted with the inner bottom surface that covers blind hole 112; To keep the structural form of first print structure 20; Yet the above-mentioned usefulness for example that is merely not is to be used to limit the present invention.
In the second print solder paste step of S 103; Printed circuit board (PCB) has a plurality of first print structures 20; And printed steel plate 11 has a plurality of blind holes 112 of covering; Each covers blind hole 112 each first print structure 20 (shown in Fig. 6 A) of cover cap accordingly, covers, protects the effect of first print structure 20 to reach.In addition, in the second paste solder printing step, more comprise the step of the tension force of measuring printed steel plate 11 and be completed for printing the step that the thickness of second print structure 21 is measured in the back.
In addition; As shown in Figure 7; In an alternate embodiment, printed circuit board (PCB) has a plurality of first print structures 20, and printed steel plate 11 has a plurality of blind holes 112 of covering; Each covers blind hole 112 most first print structures 20 (for example each covers two first print structures 20 of blind hole 112 cover caps) of cover cap accordingly, also can reach the effect of covering, protect first print structure 20
Please refer to Fig. 5; After above-mentioned steps is accomplished; Regional W1 on the printed circuit board (PCB), W2 pass through the printing process of automation respectively and are formed with different second print structure 21 and first print structures 20 that print the tin amounts; So can solve the low problem of production efficiency that tradition must be carried out repair welding with manual work, in other words, printed steel plate 11 of the present invention can improve its production efficiency to the different printing process of seal tin amount.
Printing process proposed by the invention can be applicable to a printing equipment, the printing machine of automated job for example, and it has device of scraping 12 and printed steel plate of the present invention 11 at least.This printing machine aforesaid printed steel plate 11 capable of using is printed in this article W to be printed with a printing material 13 and upward forms at least one second print structure 21; First print structure 20 that this covers on the blind hole 112 corresponding article W to be printed does not receive the influence of follow-up printing process to protect first print structure 20.Specifically; In a print steps, printing material 13 and article W to be printed are located at the printing surface 110A and the lower surface 110B of printed steel plate 11 respectively, move on this printing surface 110A when scraping device 12; So that the printing material on the printing surface 110A 13 is scraped; When scraping device 12 through when printing perforate 111, printing material 13 can be transferred on the article W to be printed to form second print structure 21, simultaneously by printing perforate 111; Cover first print structure 20 of blind hole 112 cover caps on article W to be printed, to protect first print structure 20.
Illustrate further, when being designed with the print structure of more kinds of different seal tin amounts on the article W to be printed, more can use a plurality of printed steel plates proposed by the invention 11; Carry out print steps more frequently; And in print steps each time, cover the print structure of last print steps institute moulding with printed steel plate 11, to reach the effect of protection; And then make printing process reach automated production, to improve the prouctiveness of product.
In sum; The present invention utilizes the design of through hole (promptly printing perforate 111) and blind hole (promptly covering blind hole 112) on the printed steel plate 11; Make when utilizing printing perforate 111 to carry out print steps; The structural defence of blind hole capable of using article W to be printed goes up original print structure (like first print structure 20), uses the print structure that difference is printed the tin amount and takes shape on the article W to be printed.
The present invention more can be applied to above-mentioned printing process the part method of putting of electronic building brick:
Regional W1 on aforesaid printed circuit board (PCB), W2 pass through the print steps of automation respectively and are formed with after second print structure 21 and first print structure 20 of different seal tin amounts; More comprise an assembly dressing step (S105), electronic building brick, part are placed in second print structure 21 and first print structure 20 on the printed circuit board (PCB).
Then; Carry out a curing schedule, a reflow step (S107) for example, with printed circuit board (PCB) and on electronic building brick, part through a reflow stove; The tin cream of second print structure 21 and first print structure 20 is solidified, use that electronic building brick, part are fixed on the printed circuit board (PCB).
In view of the above, the processing procedure that printed steel plate 11 of the present invention can need artificially to carry out repair welding with tradition, add tin imports printing process or other relevant processing procedures of automation, improving production efficiency of products, and keeps the quality of printing.
Though preferred embodiment of the present invention has disclosed as above, the present invention is not limited to the foregoing description, has common knowledge the knowledgeable in the technical field under any, in the scope that does not break away from the present invention and disclosed, when doing a little change and adjustment.
Claims (21)
1. printed steel plate, its be applied to one have at least one first print structure article to be printed, it is characterized in that this printed steel plate comprises:
One printing surface;
One lower surface with respect to this printing surface;
At least one printing perforate, it makes these article to be printed be exposed to this printing surface, and at least one second print structure is printed on these article to be printed; And
At least one blind hole of covering of being located at this lower surface, this covers blind hole to should first print structure.
2. printed steel plate as claimed in claim 1 is characterized in that the number to be printed of this second print structure is different from the number to be printed of this first print structure.
3. printed steel plate as claimed in claim 1 is characterized in that, these article to be printed have a plurality of these first print structures, and this printed steel plate has a plurality of this and covers blind hole, and each covers blind hole each this first print structure of cover cap accordingly.
4. printed steel plate as claimed in claim 1; It is characterized in that; These article to be printed have a plurality of these first print structures, and this printed steel plate has a plurality of this and covers blind hole, each this cover blind hole a plurality of these first print structures in those first print structures of cover cap accordingly.
5. printed steel plate as claimed in claim 1 is characterized in that, this covers blind hole by the degree of depth of this lower surface institute indent height greater than this first print structure.
6. a printing process is characterized in that, may further comprise the steps at least:
One article to be printed are provided, have at least one first print structure on it; And
Provide a printed steel plate and to scrape device to carry out a print steps, this printed steel plate includes:
One printing surface;
One lower surface with respect to this printing surface;
At least one printing perforate; And
At least one blind hole of covering of being located at this lower surface;
Wherein in this print steps; This printing perforate makes these article to be printed be exposed to this printing surface; This scrapes device and forms at least one second print structure a printing material is printed on these article to be printed moving on this printing surface, and this covers blind hole to should first print structure.
7. printing process as claimed in claim 6 is characterized in that, more comprise a preposition print steps with this first print structure of moulding on these article to be printed, and the number to be printed of this second print structure is different from the number to be printed of this first print structure.
8. printing process as claimed in claim 6; It is characterized in that these article to be printed have a plurality of these first print structures, in this print steps; This printed steel plate has a plurality of this and covers blind hole, and each covers blind hole each this first print structure of cover cap accordingly.
9. printing process as claimed in claim 6; It is characterized in that; These article to be printed have a plurality of these first print structures; In this print steps, this printed steel plate has a plurality of this and covers blind hole, each this cover blind hole a plurality of these first print structures in those first print structures of cover cap accordingly.
10. printing process as claimed in claim 6 is characterized in that, in this print steps, this covers blind hole by the degree of depth of this lower surface institute indent height greater than this first print structure.
11. put the part method for one kind, it is characterized in that, may further comprise the steps at least:
One article to be printed are provided, have at least one first print structure on it;
Provide a printed steel plate and to scrape device to carry out a print steps, this printed steel plate includes:
One printing surface;
One lower surface with respect to this printing surface;
At least one printing perforate; And
At least one blind hole of covering of being located at this lower surface;
Wherein in this print steps; This printing perforate makes these article to be printed be exposed to this printing surface; This scrapes device and forms at least one second print structure a printing material is printed on these article to be printed moving on this printing surface, and this covers blind hole to should first print structure;
Carry out an assembly dressing step; And
Carry out a curing schedule.
12. the part method of putting as claimed in claim 11 is characterized in that, more comprise a preposition print steps with this first print structure of moulding on these article to be printed, and the number to be printed of this second print structure is different from the number to be printed of this first print structure.
13. the part method of putting as claimed in claim 11; It is characterized in that these article to be printed have a plurality of these first print structures, in this print steps; This printed steel plate has a plurality of this and covers blind hole, and each covers blind hole each this first print structure of cover cap accordingly.
14. the part method of putting as claimed in claim 11; It is characterized in that; These article to be printed have a plurality of these first print structures; In this print steps, this printed steel plate has a plurality of this and covers blind hole, each this cover blind hole a plurality of these first print structures in those first print structures of cover cap accordingly.
15. the part method of putting as claimed in claim 11 is characterized in that, in this print steps, this covers blind hole by the degree of depth of this lower surface institute indent height greater than this first print structure.
16. a printing equipment, its be applied to one have at least one first print structure article to be printed, it is characterized in that this printing equipment comprises:
One printed steel plate, it includes:
One printing surface;
One lower surface with respect to this printing surface;
At least one printing perforate; And
At least one blind hole of covering of being located at this lower surface; Wherein this printing perforate makes these article to be printed be exposed to this printing surface; And a printing material is printed on these article to be printed and forms at least one second print structure, this covers blind hole to should first print structure; And
One scrapes device, and it is located at this printing surface of this printed steel plate, and this scrapes device and is moving so that this printing material is needed on these article to be printed on this printing surface.
17. printing equipment as claimed in claim 16 is characterized in that, the number to be printed of this second print structure is different from the number to be printed of this first print structure.
18. printing equipment as claimed in claim 16 is characterized in that, these article to be printed have a plurality of these first print structures, and this printed steel plate has a plurality of this and covers blind hole, and each covers blind hole each this first print structure of cover cap accordingly.
19. printing equipment as claimed in claim 16; It is characterized in that; These article to be printed have a plurality of these first print structures, and this printed steel plate has a plurality of this and covers blind hole, each this cover blind hole a plurality of these first print structures in those first print structures of cover cap accordingly.
20. printing equipment as claimed in claim 16 is characterized in that, this covers blind hole by the degree of depth of this lower surface institute indent height greater than this first print structure.
21. printing equipment as claimed in claim 16 is characterized in that, these article to be printed are arranged at this lower surface of this printed steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101143367A CN102765266A (en) | 2011-05-04 | 2011-05-04 | Printing steel plate, printing method, printing device and placement method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101143367A CN102765266A (en) | 2011-05-04 | 2011-05-04 | Printing steel plate, printing method, printing device and placement method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102765266A true CN102765266A (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101143367A Pending CN102765266A (en) | 2011-05-04 | 2011-05-04 | Printing steel plate, printing method, printing device and placement method thereof |
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| Country | Link |
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| CN (1) | CN102765266A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105979719A (en) * | 2016-06-20 | 2016-09-28 | 努比亚技术有限公司 | Welding method for printed circuit board |
| WO2021189991A1 (en) * | 2020-03-26 | 2021-09-30 | 深圳市华星光电半导体显示技术有限公司 | Printing plate, printing appliance, and substrate printing method |
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| CN101697663A (en) * | 2008-06-24 | 2010-04-21 | 环隆电气股份有限公司 | Circuit board and method for assembling surface joint elements and circuit board |
| CN201450665U (en) * | 2009-09-09 | 2010-05-05 | 晶锜科技股份有限公司 | Printed circuit board with thermal management and electronic component module thereof |
| CN101715273A (en) * | 2009-11-25 | 2010-05-26 | 深圳市五株电路板有限公司 | Printed circuit board (PCB) packaging structure and manufacturing method thereof |
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| CN1910975A (en) * | 2004-01-21 | 2007-02-07 | 索尼爱立信移动通讯有限公司 | Providing differentiated levels of solder paste for a circuit paste for a circuit board |
| US20070157829A1 (en) * | 2005-12-29 | 2007-07-12 | Kim Chul H | Printing apparatus for liquid crystal display device and pattern forming method using the same |
| CN101697663A (en) * | 2008-06-24 | 2010-04-21 | 环隆电气股份有限公司 | Circuit board and method for assembling surface joint elements and circuit board |
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| CN105979719A (en) * | 2016-06-20 | 2016-09-28 | 努比亚技术有限公司 | Welding method for printed circuit board |
| WO2021189991A1 (en) * | 2020-03-26 | 2021-09-30 | 深圳市华星光电半导体显示技术有限公司 | Printing plate, printing appliance, and substrate printing method |
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Application publication date: 20121107 |