CN101754579A - Castle-type module and terminal equipment - Google Patents
Castle-type module and terminal equipment Download PDFInfo
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- CN101754579A CN101754579A CN200910237387A CN200910237387A CN101754579A CN 101754579 A CN101754579 A CN 101754579A CN 200910237387 A CN200910237387 A CN 200910237387A CN 200910237387 A CN200910237387 A CN 200910237387A CN 101754579 A CN101754579 A CN 101754579A
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Abstract
The invention provides a castle-type module and terminal equipment, belonging to the filed of electronic technology. The castle-type module comprises a module body and a plurality of bonding pads arranged on the module body; and each bonding pad is provided with an arc inner side and a tin-blocking tank. The invention also provides corresponding terminal equipment and can solve the problems of internal tin conglutination break soldering of the castle-type module bonding pads.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to a kind of castle-type module and terminal equipment.
Background technology
In the electronic product, the quality of welding quality is the key factor that influences product electric property and reliability.And the quality of package design also is the immediate cause that influences welding quality, and good pad design can not cause solder shorts, open circuit or few tin equivalent risk.
Along with development of Communication Technique, the utilization of wireless radio frequency circuit technology is more and more, as wireless terminal product, wireless base station etc.The performance index of radio circuit wherein directly influence the quality of entire product.Characteristics of these products are miniaturization, modularization.For better electrical performance indexes is arranged, and design normalized demand, radio-frequency module often is welded on the big plate PCB by the secondary assembling.The weldering end of radio-frequency module is more special, be illustrated in figure 1 as the outline drawing of certain radio-frequency module, this module does not have pin and belongs to castle weldering end, and this mode is in the industry cycle more commonly used at present, problems such as tin are opened a way, connected to the structure of its pad 1 but this mode causes welding easily as shown in Figure 2.Because can there be problems such as warpage and negative sense distortion in PCB secondary assembling (PCB itself has 0.7% angularity), can produce distortion when causing the welding of large scale castle-type module in addition, therefore general castle-type module commonly used all is limited in 35mm * 35mm scope.
In realizing process of the present invention, the inventor finds that there is following problems at least in prior art:
Present conventional castle-type module pad design is general oblong pad, is easy to occur that the module pad is inner connects tin (among Fig. 3 shown in 2) or problem that the tin quantity not sufficient is snapped (among Fig. 3 shown in 3).
Summary of the invention
In view of this, embodiment of the present invention provides a kind of castle-type module and terminal equipment, can effectively promote the castle-type module welding quality, the problem that can avoid Lian Xi and snap.
The embodiment of the invention provides a kind of castle-type module, comprising:
Module body is provided with a plurality of pads, and each pad inboard is arc; Be equipped with the retaining molten tin bath on described each pad.
The embodiment of the invention also provides a kind of terminal equipment, comprising:
Casing, veneer, castle-type module and electric elements;
Veneer, castle-type module and electric elements all are arranged in the casing, and the electric elements welding is arranged on the veneer, and castle-type module adopts above-mentioned castle-type module, and this castle-type module is arranged on the veneer by the pad welding that is provided with on it.
The technical scheme that is provided by the invention described above execution mode is set to arc by a plurality of pads inboard as encapsulating structure that is provided with on the castle-type module body in the embodiment of the present invention, and on each pad the retaining weld groove is set as can be seen.Thereby tin cream is sprawled company's tin that process causes in the time of can avoiding the castle-type module welding; And can avoid in the large scale castle-type module welding process under the effect of anti-deformation briquetting the problem that tin cream stays, the short circuit that can avoid the tin silk to cause.The pad encapsulating structure of this castle-type module can effectively promote the castle-type module welding quality, avoided castle-type module welding back easily open circuit, Lian Xi or produce tin sweat(ing) and large-sized module welding back under the briquetting pressure that prevents to be out of shape, easily produce tin must short circuit etc. problem.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
The castle-type module profile schematic diagram that Fig. 1 provides for prior art;
Pad schematic diagram on the castle-type module that Fig. 2 provides for prior art;
Fig. 3 holds the schematic diagram of inboard short circuit for the weldering of the castle-type module that prior art provides;
The castle-type module that Fig. 4 provides for prior art snap place's schematic diagram;
The structural representation of the castle-type module that Fig. 5 provides for the embodiment of the invention;
Structure chart after the castle-type module welding that Fig. 6 provides for the embodiment of the invention encapsulates;
Fig. 7 provides the terminal equipment structural representation for the embodiment of the invention two.
Embodiment
For ease of understanding, below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment one
Present embodiment one provides a kind of castle-type module, and as shown in Figure 5, this module comprises:
A plurality of pads 21 that module body 20 and module body 20 are provided with, a plurality of pads 21 are as the welding encapsulating structure of this castle-type module, and a plurality of pads 21 evenly are arranged on the Si Bianchu of module body 20 bottoms, and each pad 21 inboard is arc 201 in a plurality of pads; And retaining weld groove 202 is set at each pad 21 middle part, as shown in Figure 5, retaining molten tin bath 202 is arranged on the middle part of each pad, retaining molten tin bath 202 can be that (the square groove is two sections and is oppositely arranged on each pad middle part the square groove that each pad middle part is set, forming a square on each pad windows), the length of this square groove (i.e. two sections length sums that square is windowed) is 10%～13% of place pad length.
Pad length in the above-mentioned castle-type module is generally 0.8～1.2mm, can be according to the size setting of castle-type module, because castle-type module generally wants secondary welding to mainboard, so as long as guarantee the length of each pad of castle-type module be correspondence weld corresponding pad length on the mainboard 40%.During actual welding, the inboard of the pad of corresponding mainboard also can be made as arc.
Above-mentioned castle-type module, because each the pad inboard as the welding encapsulating structure all is designed to arc on the castle-type module, and all is provided with the retaining weld groove at each pad middle part, tin cream was sprawled company's tin that process causes when such design can be avoided the module welding; The pad of simultaneously this arc design also can avoid distortion-free briquetting push down large scale castle-type module root produce tin must problem, the short circuit of having avoided tin to cause has promoted the welding quality of large scale castle-type module.In addition in the inboard of module package pad, the both sides pad of pad waist is removed a fritter, forming as shown in Figure 5 square on pad windows as the retaining molten tin bath, promptly form the square of pad length 10%～13% in the inboard of module contact, this pad with retaining molten tin bath, when the module body 20 of castle-type module encapsulates with mainboard 23 welding (referring to Fig. 6), can effectively avoid because the module welding process is attached to extruding on the PCB or large-sized module is used anti-deformation briquetting, ladder steel mesh the company's tin that causes tin sweat(ing) after the welding or capillarity to cause.The module that exceeds 35mm * 35mm for size can adopt briquetting to be pressed in the module top, solves the module warpage in the secondary welding process and snapping of causing, and does not worry the inner tin equivalent risk that connects.
Simultaneously each pad length of above-mentioned castle-type module body inboard is made as 40% of the corresponding pad length of this module secondary welding to the mainboard, general length with pad is made as 0.8～1.2mm and can meets the demands, it is inconsistent to make the module and the pad of the mainboard that welds go up size greatly, further reduced inner tin and the outside risk of snapping of connecting of module weldering end, after crossing reflow soldering like this, can avoid causing the inner even tin of pin to cause the situation of short circuit after the tin cream thawing.
The castle-type module that provides in the present embodiment is a kind of secondary welding module, can directly mount on the mainboard, because its pad inboard as encapsulating structure is arc, and each pad middle part is provided with the retaining molten tin bath, quality when effectively having improved this castle-type module and mainboard welded encapsulation, effectively the company's of avoiding tin, snap with tin must short circuit etc. problem.
Embodiment two
Present embodiment two provides a kind of terminal equipment, can be the equipment in the various application such as communication, electronics, for example mobile phone, personal digital assistant PDA, data card, MP3, MP4 etc.; This terminal equipment comprises as shown in Figure 7: casing 24, veneer 23, castle-type module 20 and electric elements (not shown among Fig. 7);
Wherein, veneer 23, castle-type module 20 and electric elements all are arranged in the casing 24, the electric elements welding is arranged on the veneer 23, and castle-type module 20 adopts the castle-type module that provides in the foregoing description one, and this castle-type module 20 is arranged on the veneer 23 by the pad welding that is provided with on it.
This terminal equipment, because the encapsulating structure of its inner castle-type module, be to be that the pad of irregular arc constitutes by the inboard, and, at each pad middle part the retaining molten tin bath is set also, thereby can avoid in this castle-type module and the veneer welded encapsulation process, occur welding quality bad, snap, connect problem such as tin.Thereby promoted the quality of whole terminal equipment.And, further each corresponding with this castle-type module on veneer pad inboard all can also be set to arc, simultaneously, each the pad length that makes castle-type module be on the veneer corresponding pad length 40%, can further improve the welding quality of castle-type module and veneer like this, further reduce to snap, Lian Xi and tin must the short circuit equivalent risks.
In sum, by will be on the castle-type module all being made as irregular arc, and the retaining weld groove is set in the embodiment of the invention at each pad middle part as each pad inboard of welding encapsulating structure.This encapsulating structure can effectively promote the castle-type module welding quality, has avoided the generation of open circuit, Lian Xi or tin sweat(ing), and can solve the large-sized module welding deformation and with the briquetting that prevents to be out of shape compress the back easily produce tin must problem.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (8)
1. a castle-type module is characterized in that, comprising:
The a plurality of pads that are provided with on module body and the module body, each pad inboard is arc, is equipped with the retaining molten tin bath on described each pad.
2. castle-type module according to claim 1 is characterized in that, described retaining molten tin bath is the square groove that each pad middle part is provided with.
3. castle-type module according to claim 2 is characterized in that, the square groove on described each pad is two sections that are oppositely arranged.
4. according to claim 2 or 3 described castle-type modules, it is characterized in that the length of described square groove is 10%～13% of place pad length.
5. castle-type module according to claim 1 is characterized in that, 40% of the corresponding pad length that described each pad length is this castle-type module secondary welding to the mainboard.
6. castle-type module according to claim 1 or 5 is characterized in that described each pad length is 0.8～1.2mm.
7. castle-type module according to claim 1 is characterized in that, described a plurality of pads are distributed in the Si Bianchu of castle-type module body bottom.
8. a terminal equipment is characterized in that, comprising:
Casing, veneer, castle-type module and electric elements;
Veneer, castle-type module and electric elements all are arranged in the casing, the electric elements welding is arranged on the veneer, castle-type module adopts aforesaid right to require 1～7 each described castle-type module, and this castle-type module is arranged on the veneer by the pad welding that is provided with on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102373871A CN101754579B (en) | 2009-11-16 | 2009-11-16 | Castle-type module and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102373871A CN101754579B (en) | 2009-11-16 | 2009-11-16 | Castle-type module and terminal equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101754579A true CN101754579A (en) | 2010-06-23 |
| CN101754579B CN101754579B (en) | 2012-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102373871A Active CN101754579B (en) | 2009-11-16 | 2009-11-16 | Castle-type module and terminal equipment |
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| Country | Link |
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| CN (1) | CN101754579B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108513433A (en) * | 2018-04-24 | 2018-09-07 | 苏州维信电子有限公司 | A kind of flexible circuit board PAD and its manufacturing method every tin |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG71838A1 (en) * | 1995-06-06 | 2000-04-18 | Ibiden Co Ltd | Printed circuit boards |
| WO2006043235A1 (en) * | 2004-10-20 | 2006-04-27 | Koninklijke Philips Electronics N.V. | Substrate with electric contacts and method of manufacturing the same |
-
2009
- 2009-11-16 CN CN2009102373871A patent/CN101754579B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108513433A (en) * | 2018-04-24 | 2018-09-07 | 苏州维信电子有限公司 | A kind of flexible circuit board PAD and its manufacturing method every tin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101754579B (en) | 2012-02-22 |
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Effective date of registration: 20171101 Address after: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop Patentee after: HUAWEI terminal (Dongguan) Co., Ltd. Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee before: Huawei Device Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: Huawei Device Co., Ltd. Address before: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: HUAWEI terminal (Dongguan) Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |