CN103138127A - Electronic device - Google Patents
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- CN103138127A CN103138127A CN201110382104XA CN201110382104A CN103138127A CN 103138127 A CN103138127 A CN 103138127A CN 201110382104X A CN201110382104X A CN 201110382104XA CN 201110382104 A CN201110382104 A CN 201110382104A CN 103138127 A CN103138127 A CN 103138127A
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- China
- Prior art keywords
- circuit board
- pedestal
- electric connector
- upper cover
- electronic installation
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- 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.)
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Abstract
The invention relates to an electronic device which comprises a circuit board, an electric connector and a plurality of tin balls. The electronic connector comprises a base which is arranged on the circuit board and provided with a first surface facing to the circuit board, a second surface opposite to the first surface and a notch. The notch is arranged on the lateral edge of the first surface, so that the area of the projection of the first surface on the circuit board is smaller than that of the projection of the second surface on the circuit board. The tin balls are arranged between the first surface and the circuit board to enable the base to be electrically connected with the circuit board.
Description
Technical field
The invention relates to a kind of electronic installation, particularly in ball-shaped grid array (Ball Grid Array, BGA) mode, electric connector is installed on electronic installation on circuit board relevant for a kind of.
Background technology
At present, most of integrated circuits (Integrated Circuit, IC) encapsulation (for example, central processing unit), mainly (for example to be installed on circuit board by electric connector, printed circuit board (PCB)), and set up to be electrically connected by the electric connector between, with the final realization transmission of data and signal between the two.
In recent years, the sharply microminiaturized development of integrated antenna package technology (particularly central processing unit) impels the production technology of printed circuit board (PCB) also to comply with its development trend, in the hope of accommodating greater functionality electronic building brick under the confined space.Wherein a mode is the density that increases electrical tie point on printed circuit board (PCB).Thus, for how to form effective and stable electrical connection between the highdensity electric connection point of printed circuit board (PCB) and electric connector, new challenge has been proposed.
Wherein, be connected to the electric connector of printed circuit board (PCB) in the ball-shaped grid array mode, enjoy favor because it can provide lower electrical impedance and more stable mechanical electric performance.Electric connector generally comprises insulating body, is arranged in a plurality of terminal grooves of insulating body and is placed in the interior conducting terminal of each terminal groove.Conducting terminal comprises to be installed with matrix in terminal groove, extends upward and contact site in order to be electrically connected with integrated antenna package from matrix, and from matrix to downward-extension and the weld part in order to be electrically connected with printed circuit board (PCB).
Weld part is to accept the scolder that is electrically connected use, and it plays vital effect to the electric connection between electric connector and printed circuit board (PCB), is also that industry overcomes one of of paramount importance technological difficulties of this type of ball-shaped grid array type connected mode simultaneously.Can in time find by advanced person's measuring technique the problem that causes mechanism part mechanical electric aspect that occurs in processing procedure, production and assembling process so can significantly improve this type of finished connector product quality.
Yet because conducting terminal reaches the weld part relevant to each conducting terminal all with the high density setting, it has also met with suitable challenge on measuring.Simultaneously, microminiaturized development trend along with product, height and the distance between conducting terminal of product are all being dwindled, make the dividing plate plastics thickness past decline again and again between conducting terminal, strength decreased, if adopt interferometric method to fix conducting terminal, the accumulative total interference generation stress that will produce because of a plurality of conducting terminals causes the distortion of product, thereby causes the bad of product again.
Summary of the invention
For solving the problem of known technology, a purpose of the present invention is to provide a kind of electronic installation, it is mainly to carry out structural improvement for electric connector, make chip after being locked in electric connector, can prevent the problem that electric connector splits because interfering the tin ball that causes between electric connector and circuit board between distortion and circuit board.In order to achieve the above object, the present invention may interfere part with circuit board in electric connector to set in advance breach, and the deflection of the size that makes breach during greater than electric connector locking chip.Therefore, even electric connector produces metaboly because of the locking chip, its breach can effectively avoid electric connector and circuit board to interfere.
According to one embodiment of the invention, a kind of electronic installation comprises circuit board, electric connector and a plurality of tin ball.Electric connector comprises pedestal.Pedestal is arranged on circuit board.Pedestal has first surface, second and breach.First surface is towards circuit board.Second relative with first surface.Breach is positioned at least one side of first surface, make first surface in the projected area on circuit board less than second projected area on circuit board.The tin ball is arranged between first surface and circuit board, and pedestal and circuit board are electrically connected.
In one embodiment of the invention, above-mentioned breach makes side be in fact the inclined-plane.
In one embodiment of the invention, above-mentioned electric connector further comprises upper cover and locking part.Upper cover is mounted slidably on second.Locking part is arranged on second rotationally, and between pedestal and upper cover, in order to drive relative second slip of upper cover.
In one embodiment of the invention, above-mentioned locking part drives the relative pedestal of upper cover rim glide direction and slides.The vertical in fact glide direction of side.
In one embodiment of the invention, above-mentioned first surface further has a plurality of terminal grooves.Terminal groove is in fact array and arranges.
In one embodiment of the invention, above-mentioned upper cover is in order to carries chips.Upper cover has a plurality of perforation.Chip has a plurality of pins.Each pin passes corresponding perforation and inserts corresponding terminal groove, and driven by upper cover and be electrically connected to the tin ball.
Description of drawings
Fig. 1 is the three-dimensional exploded view that illustrates according to the electric connector of the electronic installation of one embodiment of the invention;
Fig. 2 is the three-dimensional combination figure that illustrates the electric connector in Fig. 1;
Fig. 3 A illustrates pedestal in Fig. 1 to be arranged at schematic diagram on circuit board, and wherein pedestal is that the locking part that presents in Fig. 1 not yet drives the state that the relative pedestal of upper cover slides;
Fig. 3 B illustrates pedestal in Fig. 1 to be arranged at schematic diagram on circuit board, and wherein pedestal is that the locking part that presents in Fig. 1 has driven the state that the relative pedestal of upper cover slides.
[primary clustering symbol description]
1: electronic installation 10: circuit board
12: electric connector 120: pedestal
120a: first surface 120b: second
120c: breach 120d: terminal groove
122: locking part 122a: fixed part
122b: cam part 122c: articulated section
124: upper cover 124a: perforation
14: tin ball S: glide direction
Embodiment
Below will disclose a plurality of embodiment of the present invention with accompanying drawing, as clearly stated, the details on many practices will be explained in the following description.Yet, should be appreciated that, the details on these practices does not use to limit the present invention.That is to say, in part embodiment of the present invention, the details on these practices is non-essential.In addition, for the purpose of simplifying accompanying drawing, some known habitual structures and assembly will illustrate in the mode of simple signal in the accompanying drawings.
A technical scheme of the present invention is a kind of electronic installation.More particularly, it is mainly to carry out structural improvement for electric connector, make chip after being locked in electric connector, can prevent the problem that electric connector splits because interfering the tin ball that causes between electric connector and circuit board between distortion and circuit board.In order to achieve the above object, the present invention may interfere part with circuit board in electric connector to set in advance breach, and the deflection of the size that makes breach during greater than electric connector locking chip.Therefore, even electric connector produces metaboly because of the locking chip, its breach can effectively avoid electric connector and circuit board to interfere.
Please refer to Fig. 1 and Fig. 2.Fig. 1 is the three-dimensional exploded view that illustrates according to the electric connector 12 of the electronic installation 1 of one embodiment of the invention.Fig. 2 is the three-dimensional combination figure that illustrates the electric connector 12 in Fig. 1.
As Fig. 1 and shown in Figure 2, the electric connector 12 that electronic installation 1 of the present invention comprises is pedestal (socket) examples as an illustration with central processing unit, but not as limit.In other words, the electric connector 12 that electronic installation 1 of the present invention comprises can be the electric connector of any kind, as long as interfere between meeting and circuit board in the operating process of electric connector, all can use concept of the present invention and make the electric connector 12 of electronic installation 1 and circuit board avoid interfering and affect the function of electronic installation 1.
As Fig. 1 and shown in Figure 2, in the present embodiment, the electric connector 12 of electronic installation 1 comprises pedestal 120, upper cover 124 and locking part 122.The pedestal 120 of electric connector 12 has first surface (be arranged in the bottom surface of the pedestal 120 of Fig. 1 and Fig. 2, so do not indicate its element numbers in figure), second 120b and breach 120c.Second 120b of pedestal 120 relative with first surface (that is, be arranged in the end face of the pedestal 120 of Fig. 1 and Fig. 2).The breach 120c of pedestal 120 is positioned at least one side of first surface.The upper cover 124 of electric connector 12 is mounted slidably on second 120b of pedestal 120.The locking part 122 of electric connector 12 is arranged on second 120b of pedestal 120 rotationally, and between pedestal 120 and upper cover 124, slides in order to drive relative second 120b of upper cover 124.
Furthermore, the locking part 122 of electric connector 12 comprises fixed part 122a, cam part 122b and articulated section 122c.The fixed part 122a of locking part 122 is arranged on second 120b of pedestal 120.The articulated section 122c of locking part 122 and fixed part 122a pivot joint.The cam part 122b of locking part 122 is fixed to the bottom of upper cover 124, and is held between fixed part 122a and articulated section 122c.Therefore, when fixed part 122a rotated, locking part 122 can move by the driving cam 122b of section as the articulated section of locking part 122 122c.In other words, locking part 122 can carry out the Linear-moving motion by the driving cam 122b of section by the rotational motion of articulated section 122c, and the relative pedestal 120 of related promotion upper cover 124 slides along glide direction S.
Please refer to Fig. 3 A and Fig. 3 B.Fig. 3 A illustrates pedestal 120 in Fig. 1 to be arranged at schematic diagram on circuit board 10, and wherein pedestal 120 is that the locking part 122 that presents in Fig. 1 not yet drives the state that the relative pedestal 120 of upper cover 124 slides.Fig. 3 B illustrates pedestal 120 in Fig. 1 to be arranged at schematic diagram on circuit board 10, and wherein pedestal 120 is that the locking part 122 that presents in Fig. 1 has driven the state that the relative pedestal 120 of upper cover 124 slides.
As shown in Fig. 1, Fig. 3 A and Fig. 3 B, in the present embodiment, electronic installation 1 further comprises circuit board 10 and a plurality of tin ball 14.The electric connector 12 of electronic installation 1 is arranged on circuit board 10, and the first surface 120a of electric connector 12 is towards circuit board 10.Therefore, be positioned at breach 120c at least one side of first surface 120a of pedestal 120 can make first surface 120a in the projected area on circuit board 10 less than the projected area of second 120b on circuit board 10.The tin ball 14 of electronic installation 1 is arranged between the first surface 120a of pedestal 120 of circuit board 10 and electric connector 12, and then circuit board 10 and pedestal 120 are electrically connected.
In an embodiment, the pedestal 120 of electric connector 12 further has a plurality of terminal groove 120d on first surface 120a.Being positioned at terminal groove 120d on the first surface 120a of pedestal 120 is in fact array and arranges.Be noted that for fear of drawing too complicatedly at this, so only illustrate a small amount of terminal groove 120d in Fig. 1, but the quantity of actual terminal groove 120d be not limited with Fig. 1.In addition, the upper cover 124 of electric connector 12 is in order to the carries chips (not shown).Upper cover 124 has a plurality of perforation 124a.Chip has a plurality of pin (not shown).Each pin of chip can pass perforation 124a corresponding on upper cover 124 and insert terminal groove 120d corresponding on pedestal 120, and can be when locking part 122 drives the relative pedestals 120 of upper cover 124 and slides along glide direction S, be subjected to simultaneously upper cover 124 drives and be electrically connected to tin ball 14 between pedestal 120 and circuit board 10.The pin of chip is driven by upper cover 124 in the terminal groove 120d of pedestal 120 and the mechanism that is electrically connected to tin ball 14 and design can be in response to required and flexibly adjust and change, so the present invention does not repeat them here and limits.
As shown in Fig. 2 and Fig. 3 B, in the present embodiment, the rotational motion driving cam 122b of section when locking part 122 by articulated section 122c carries out the Linear-moving motion, and the relative pedestal of related promotion upper cover 124 120 is when sliding, internal stress can occur with pedestal 120 and pull mutually in the upper cover 124 that slides along the relative pedestal 120 of glide direction S, and then the phenomenon towards circuit board 10 bendings can occur in the edge that makes pedestal 120, as shown in Fig. 3 B.
Be noted that at this, when phenomenon towards circuit board 10 bendings occurs in the edge of the pedestal 120 of electric connector 12, may cause the edge of pedestal 120 to push up circuit board 10, be pullled and split (crack) and make in the first surface 120a centre of pedestal 120 and the tin ball 14 between circuit board 10.Therefore, the present invention be by in electric connector 12 may with circuit board 10 interfere part (that is, the side of the first surface 120a of pedestal 120, the side of vertical in fact glide direction S on first surface 120a particularly) set in advance breach 120c, and the deflection of the size that makes breach 120c during greater than electric connector 12 locking chip.Whereby, even electric connector 12 produces metaboly because of the locking chip, its breach 120c can effectively avoid electric connector 12 and circuit board 10 to interfere.
As shown in Fig. 1, Fig. 3 A and Fig. 3 B, in the present embodiment, the breach 120c that is positioned at the first surface 120a side of pedestal 120 makes the side of first surface 120a be in fact the inclined-plane, but not as limit.For instance, the breach 120c that is positioned at the first surface 120a side of pedestal 120 also can make the side of first surface 120a be in fact the inclined-plane to be cambered surface, as long as make the first surface 120a side of pedestal 120 have the design of reduction (similar lead angle), and the deflection of the size that makes breach 120c during greater than electric connector 12 locking chip, all can reach the effect that the present invention effectively avoids electric connector 12 and circuit board 10 to interfere by breach 120c.
By above detailed description for specific embodiments of the invention, can find out significantly, electronic installation proposed by the invention is mainly to carry out structural improvement for electric connector, make chip after being locked in electric connector, can prevent the problem that electric connector splits because interfering the tin ball that causes between electric connector and circuit board between distortion and circuit board.In order to achieve the above object, the present invention may interfere part with circuit board in electric connector to set in advance breach, and the deflection of the size that makes breach during greater than electric connector locking chip.Therefore, even electric connector produces metaboly because of the locking chip, its breach can effectively avoid electric connector and circuit board to interfere.
Although the present invention discloses as above with execution mode; so it is not to limit the present invention; anyly be familiar with this skill person; without departing from the spirit and scope of the present invention; when can be used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the scope that appending claims defines.
Claims (6)
1. an electronic installation, is characterized in that, comprises:
One circuit board;
One electric connector, comprise a pedestal, this pedestal is arranged on this circuit board, and have a first surface, one second and a breach, this first surface is towards this circuit board, this second is relative with this first surface, and wherein this breach is positioned at least one side of this first surface, make this first surface in the projected area on this circuit board less than this second projected area on this circuit board; And
A plurality of tin balls are arranged between this first surface and this circuit board, and this pedestal and this circuit board are electrically connected.
2. electronic installation according to claim 1, is characterized in that, this breach makes this side be an inclined-plane.
3. electronic installation according to claim 1, is characterized in that, this electric connector further comprises:
One upper cover is mounted slidably on this second; And
One locking part is arranged on this second rotationally, and between this pedestal and this upper cover, in order to drive this second slip relatively of this upper cover.
4. electronic installation according to claim 3, is characterized in that, this locking part drives and should slide by relative this pedestal of upper cover rim one glide direction, and vertical this glide direction of this side.
5. electronic installation according to claim 3, is characterized in that, this first surface further has a plurality of terminal grooves, and described a plurality of terminal grooves are array and arrange.
6. electronic installation according to claim 5, it is characterized in that, this upper cover is in order to carry a chip, this upper cover has a plurality of perforation, this chip has a plurality of pins, each described pin passes this corresponding perforation and inserts this corresponding terminal groove, and driven by this upper cover and be electrically connected to described tin ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110382104XA CN103138127A (en) | 2011-11-22 | 2011-11-22 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110382104XA CN103138127A (en) | 2011-11-22 | 2011-11-22 | Electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103138127A true CN103138127A (en) | 2013-06-05 |
Family
ID=48497610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110382104XA Pending CN103138127A (en) | 2011-11-22 | 2011-11-22 | Electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103138127A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2377720Y (en) * | 1999-05-07 | 2000-05-10 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN2520015Y (en) * | 2001-12-08 | 2002-11-06 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN2520013Y (en) * | 2001-12-26 | 2002-11-06 | 富士康(昆山)电脑接插件有限公司 | Connector |
| CN2550934Y (en) * | 2002-07-01 | 2003-05-14 | 陈荣亮 | Electric connector |
| US6729896B2 (en) * | 2002-05-24 | 2004-05-04 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector with distortion-resistant cover |
| CN201285908Y (en) * | 2008-08-05 | 2009-08-05 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
-
2011
- 2011-11-22 CN CN201110382104XA patent/CN103138127A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2377720Y (en) * | 1999-05-07 | 2000-05-10 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN2520015Y (en) * | 2001-12-08 | 2002-11-06 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN2520013Y (en) * | 2001-12-26 | 2002-11-06 | 富士康(昆山)电脑接插件有限公司 | Connector |
| US6729896B2 (en) * | 2002-05-24 | 2004-05-04 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector with distortion-resistant cover |
| CN2550934Y (en) * | 2002-07-01 | 2003-05-14 | 陈荣亮 | Electric connector |
| CN201285908Y (en) * | 2008-08-05 | 2009-08-05 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130605 |