CN100529776C - Electron component pull force tester and method - Google Patents

Electron component pull force tester and method Download PDF

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Publication number
CN100529776C
CN100529776C CNB2006100363015A CN200610036301A CN100529776C CN 100529776 C CN100529776 C CN 100529776C CN B2006100363015 A CNB2006100363015 A CN B2006100363015A CN 200610036301 A CN200610036301 A CN 200610036301A CN 100529776 C CN100529776 C CN 100529776C
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CN
China
Prior art keywords
electronic component
holder
test piece
piece
pull force
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Expired - Fee Related
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CNB2006100363015A
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Chinese (zh)
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CN101097237A (en
Inventor
陈立干
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Mitac Computer Shunde Ltd
Shunda Computer Factory Co Ltd
Mitac International Corp
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Mitac Computer Shunde Ltd
Mitac International Corp
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Priority to CNB2006100363015A priority Critical patent/CN100529776C/en
Publication of CN101097237A publication Critical patent/CN101097237A/en
Application granted granted Critical
Publication of CN100529776C publication Critical patent/CN100529776C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides an electronic component pull experiment device and method, the electronic component is pulled by a pull which is vertical, the welding point of the electronic component is separated with the test piece under the event pull. The electronic component pull experiment device at least includes a fixed clamp seat and a active clamp seat, and the fixed clamp seat and a active clamp seat are separately set on the two supporters, and they are opposite with each other, lower of the active clamp seat possesses a hook which is used to hang tightwire, and the tightwire is connected with the agglutination block which is agglutinated with the electronic component, and the electronic component is welded to the test piece of fixed clamp seat; when it is used, the active clamp seat moves upwards, the hook is drive to pull the agglutination block, until the electronic component is separated with the test piece under the event pull, welding point of the electronic component can be void to be destroyed.

Description

Electron component pull force tester and method
[Ji Intraoperative field]
The invention provides a kind of pull force tester and method, particularly provide a kind of, electron component pull force tester and method that each solder joint that makes this electronic component breaks away from test piece under uniform tension to draw electronic component on the pulling force vertically upward.
[Bei Jing Ji Intraoperative]
Along with electronic product develops rapidly to portable, miniaturization, networking, multimedization direction, the electronics package technique is had higher requirement, on the other hand, owing to be subjected to the restriction of integrated circuit pin framework and machining precision, cause packing density to promote again.So ball grid array (Ball Grid Array, BGA) arise at the historic moment, coplane degree and bent problem of sticking up that the integrated circuit that this technology has been eliminated fine-pitch is caused by patch by technology.
Yet the test of ball grid array element pad is difficulty quite, is not easy to guarantee its q﹠r, and must carries out destructive analysis to its solder joint when ball grid array component failure, in the hope of the invalid position of its solder joint.Existing method with ball grid array element and pcb board (Printed Circuit Board, printed circuit board (PCB)) separation is with the edge of crow bar near this ball grid array element, and the application of force is pried open it.Implement this method because of side direction application of force scope is little, make the solder joint of ball grid array element outermost have the crow bar of being subjected to destroy the anxiety of distortion, and each solder joint discontinuity, also can influence the accuracy of follow-up ball grid array failure analysis.
In view of this, in fact be necessary to provide a kind of electron component pull force tester and method,, make each solder joint of this electronic component break away from pcb board down, overcome the disappearance of destruction solder joint in evenly stressed to draw electronic component on the pulling force vertically upward.
[summary of the invention]
Therefore, purpose of the present invention promptly provides a kind of electron component pull force tester and method, is used for to draw electronic component on the pulling force vertically upward, makes each solder joint of this electronic component separate with test piece under uniform tension, avoid destroying solder joint, improve the accuracy of electronic component failure testing.
For reaching above-mentioned purpose, the invention provides a kind of electron component pull force tester and method, be used for to draw electronic component on the pulling force vertically upward, make each solder joint of this electronic component under uniform tension, break away from test piece.This electron component pull force tester comprises fixedly a holder and a movable holder at least, and should be fixedly holder and movable holder distinguish axle sleeve on two relative supporters, and go to upper and lower relative structural relation, this activity holder below installing one hangs the drop hanger of cable wire, and this cable wire connects and the bonding adhesion piece of electronic component, and this electronic component is welded in the test piece that is mounted on fixing holder.
Electronic component tensile test method of the present invention is applied on the above-mentioned electron component pull force tester, and it comprises: the electronic component in (1) bonding adhesion piece and the test piece makes the adhesion piece consistent with the central point of electronic component; (2) location adhesion piece; (3) test piece is fixed in fixedly holder; (4) pulling force that the adhesion piece is imposed vertically upward separates with test piece until electronic component.
Compared to prior art, the present invention is to draw electronic component on the pulling force vertically upward, and each solder joint that makes this electronic component has solved existing disappearance in fact in evenly stressed following and test piece disengaging.
[description of drawings]
Fig. 1 is the front view of the user mode of electronic component tension tester of the present invention.
Fig. 2 is the three-dimensional exploded view of electron component pull force tester of the present invention.
Fig. 3 is the synoptic diagram of the use vertical of electron component pull force tester of the present invention.
Fig. 3 is the process flow diagram of electronic component tensile test method of the present invention.
[embodiment]
See also Fig. 1, front view for the user mode of electron component pull force tester of the present invention, as shown in the figure, this electron component pull force tester 1 comprises fixedly a holder 80 and movable holder 60 at least, and should be fixedly holder 80 and movable holder 60 distinguish axle sleeves on two relative supporters 70, and present, following relative structural relation, a drop hanger 30 is installed in these activity holder 60 belows, hang a cable wire 20 on this drop hanger 30, this cable wire 20 connects an adhesion piece 12, this adhesion piece 12 is combined integrated with the electronic component 11 that is welded in the test piece 10, and this test piece 10 is fixed in fixedly on the holder 80, when moving on movable holder 60, drop hanger 30 spurs adhesion piece 12 thereupon to be separated with test piece 10 until electronic component 11.
See also Fig. 1 and Fig. 2, wherein, Fig. 2 is the three-dimensional exploded view of electron component pull force tester of the present invention, wherein, these activity holder 60 belows are equiped with drop hanger 30, and in order to hang an end of cable wire 20, these cable wire 20 other ends pass the perforation 211 that steel lock screw 21 top sides are offered; In addition, be provided with a power part (not illustrating) in this activity holder 60, this power part one end spurs this drop hanger 30, and the other end passes to a sensor (not illustrating) with this pulling force, and this sensor is converted to an electric measurement signal with this pulling force, and is shown; Again, these activity holder 60 two ends are provided with sliding plug (not shown), are located in the chute 71.
Fixedly carry a test piece platform 40 on the holder 80, offer some second screws 41 on this test piece platform 40 at interval, put fixed screw 43 lockings of sheet 42 for sheathed pressure, and this pressure is put sheet 42 1 ends and is pressed on a test piece 10 that is welded with measured electronic elements 11, and then this test piece 10 is fixed on the test piece platform 40; Again, adhesion piece 12 is adhered on the electronic component 11, and this adhesion piece 12 is consistent with these electronic component 11 central points, wherein, these adhesion piece 12 regular shape symmetries and quality are even, and this adhesion piece 12 can be embodied as square, rectangle, circle, equilateral triangle, ellipse etc. one of them, and this adhesion piece 12 is positioned at the below that cable wire 20 other ends are steel lock screw 21; In addition, this adhesion piece 12 is that one first screw 121 is offered in the axle center with its center, with sealed with steel lock screw 21.
Please refer to Fig. 1, this supporter 70 relatively should activity holder 60 sliding plug be provided with chute 71 in the mode of depression, and this chute 71 is established the top that the fixing position of holder 80 extends to this supporter 70 by 70 groups of this supporters, in order to accommodate sliding plug, so that movable holder 60 slides along chute 71.
The present invention also discloses a kind of electronic component tensile test method, consults Fig. 4, is the process flow diagram of electronic component tensile test method of the present invention, and its step is as follows:
Electronic component 11 on the step 410, bonding adhesion piece 12 and test piece 10, consistent with order adhesion piece 12 with the central point of electronic component 11, and test piece 10 placed on the test piece platform 40;
Step 420, locate this adhesion piece 12, being about to vertical 50 hang on the drop hanger 30, finely tune this test piece 10 (consulting Fig. 3) simultaneously, aim at the axle center of first screw 121 of adhesion piece 12 until this vertical 50, at this moment, drop hanger 30 application of force directions are pulling force vertically upward for the opposite direction of the center line of this adhesion piece 12;
Step 430, test piece 10 is fixed on the test piece platform 40, be the sealed fixed screw 43 and second screw 41, and order is pressed and to be put test piece 10 pressures that sheet 42 will weld measured electronic elements 11 and put and be fixed on the test piece platform 40, first screw 121 of sealed then cable wire screw 21 and adhesion piece 12, and the cable wire 20 that will pass perforation 211 hang on the drop hanger 30;
Step 440, adhesion piece 12 is imposed vertically upward pulling force, promptly to draw this drop hanger 30 on the power part, at this moment, because the pulling force peptizaiton of adhesion piece 12, each solder joint of electronic component 11 is evenly stressed, separate with test piece 10 until this electronic component 11, simultaneously, this pulling force also is converted to an electric measurement signal through sensor, and is shown.
Compared to prior art, electron component pull force tester of the present invention and method are with drawing vertically upward Draw the adhesion piece that is combined into one with electronic component on the power, because the pulling force peptizaiton of adhesion piece, then should electricity The solder joint uniform stressed of sub-element, and the value of thrust can obtain simultaneously electronic component and break away from test piece the time are to carry out Follow-up electronic component failure analysis has solved existing disappearance in fact.

Claims (9)

1, a kind of electron component pull force tester, be used for separating with test piece with the electronic component that vertically upward pulling force will be welded in the test piece, it comprise one fixedly holder and a movable holder respectively axle sleeve be on the relative supporter in two, and go to upper and lower relative structural relation, and movable holder along supporter with near or slide away from the fixing mode of holder, it is characterized in that: this device more comprises:
One drop hanger, it is installed in movable holder below;
One cable wire, an end hang on this drop hanger;
One adhesion piece, it is connected in this cable wire other end.
2, electron component pull force tester as claimed in claim 1 is characterized in that: this adhere block-shaped regular symmetry and quality are even.
3, electron component pull force tester as claimed in claim 1 is characterized in that: the center with this adhesion piece is that one first screw is offered in the axle center, with screw closure.
4, electron component pull force tester as claimed in claim 3 is characterized in that: the side at this screw top is offered a perforation that supplies cable wire to wear.
5, electron component pull force tester as claimed in claim 1, it is characterized in that: more include the test piece platform and be installed in this fixedly on the holder, at interval offer some second screws on the test piece platform, the fixed screw of putting sheet with sheathed pressure locks, and this pressure is put sheet one end and is pressed in the test piece.
6, electron component pull force tester as claimed in claim 1, it is characterized in that: more comprise power part and be located in the movable holder, and this power part one end spurs this drop hanger, and the other end passes to one with this pulling force value of thrust is converted to the sensor of an electric measurement signal.
7, electron component pull force tester as claimed in claim 1, it is characterized in that: these activity holder two ends are provided with sliding plug, and this supporter this cunning plug relatively is provided with chute in the mode that caves in, and this chute is established the top that the fixing position of holder extends to this supporter by this supporter group, accommodates this cunning plug.
8, a kind of electronic component tensile test method, be applied to electron component pull force tester, this device comprises fixedly holder, movable holder and is positioned at adhesion piece on the movable holder, and fixedly holder and movable holder get relative motion and impose pulling force, and this method step is as follows:
Electronic component in bonding adhesion piece and the test piece makes the adhesion piece consistent with the central point of electronic component;
Location adhesion piece;
Fixedly holder is fixed in test piece;
The pulling force that the adhesion piece is imposed vertically upward separates with test piece until electronic component.
9, electronic component tensile test method as claimed in claim 8 is characterized in that: the step of location adhesion piece more comprises the center that utilizes vertical to aim at the adhesion piece.
CNB2006100363015A 2006-06-30 2006-06-30 Electron component pull force tester and method Expired - Fee Related CN100529776C (en)

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Application Number Priority Date Filing Date Title
CNB2006100363015A CN100529776C (en) 2006-06-30 2006-06-30 Electron component pull force tester and method

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Application Number Priority Date Filing Date Title
CNB2006100363015A CN100529776C (en) 2006-06-30 2006-06-30 Electron component pull force tester and method

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CN101097237A CN101097237A (en) 2008-01-02
CN100529776C true CN100529776C (en) 2009-08-19

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102735540A (en) * 2011-04-01 2012-10-17 亚旭电子科技(江苏)有限公司 Tensile test device
CN102628776A (en) * 2012-03-20 2012-08-08 威力盟电子(苏州)有限公司 Push-pull effort test machine
CN103454156B (en) * 2012-05-28 2018-01-26 富泰华工业(深圳)有限公司 Pulling capacity mechanism for testing and drawing force test method
CN102706749A (en) * 2012-06-26 2012-10-03 横店集团联宜电机有限公司 Terminal tension tester
CN103267646B (en) * 2013-01-21 2015-08-26 福耀玻璃(湖北)有限公司 A kind of automotive glass bracket device for testing tensile force
CN106442313B (en) * 2016-08-23 2019-04-02 北京时代民芯科技有限公司 A kind of lead integrity tester
CN108639957B (en) * 2018-07-26 2024-08-13 国网辽宁省电力有限公司本溪供电公司 Auxiliary device for power transmission and distribution operation hoisting machine test

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4895028A (en) * 1989-01-27 1990-01-23 U.S. Philips Corporation Method of pull-testing wire connectors on an electrical device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4895028A (en) * 1989-01-27 1990-01-23 U.S. Philips Corporation Method of pull-testing wire connectors on an electrical device

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Granted publication date: 20090819

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