CN105372575B - Diode fails analytical equipment - Google Patents
Diode fails analytical equipment Download PDFInfo
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- CN105372575B CN105372575B CN201510915805.3A CN201510915805A CN105372575B CN 105372575 B CN105372575 B CN 105372575B CN 201510915805 A CN201510915805 A CN 201510915805A CN 105372575 B CN105372575 B CN 105372575B
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- cabinet
- reaction kettle
- cylinder
- hinged
- diode
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2601—Apparatus or methods therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
This patent discloses the diode fails analytical equipments in diode detection field, including cabinet, reaction kettle, cabinet is rectangular box, and the upper end of cabinet is equipped with feed inlet, the side of cabinet wall is fixed there are two the support arm being set side by side, and is hinged between two support arms in the middle part of reaction kettle.Cylinder is fixed on the inner wall on cabinet top, the output end of cylinder is connected with telescopic rod, connecting rod is hinged on telescopic rod, it is top that the other end of connecting rod is hinged on reaction kettle.Cabinet wall below support arm is equipped with guide groove, and the bottom of box house is equipped with waste liquid collecting box, and the bottom end of guide groove is protruded into waste liquid collecting box.This programme can complete the heating for multiple times corrosion of diode fails analysis experiment, not have to the direct haptoreaction kettle of operator, carry out centralized recovery processing to discarded acid solution, keep the risk of experiment lower, the pollution to environment is reduced, it is more environmentally-friendly, it is more convenient to carry out failure analysis experiment to diode.
Description
Technical field
The present invention relates to diode detection fields, and in particular to a kind of diode fails analytical equipment.
Background technique
Diode can cause to fail to work normally in the long-term use because of a variety of causes, to electronic device
Normal use cause serious influence.The occurrence of in order to reduce diode fails, usually carries out the diode of failure
Diode fails reason is found out in failure analysis experiment, is then made to diode and targetedly being improved.Experimentation is to collect two
These samples are carried out electric ginseng by the sample of short-circuit failure and the screening fail datas such as stress condition or use condition in pole pipe use
Number test opens cap, deprotection glue, tube core and electrode separation, goes solder and microexamination, finds out failure site, analyzes
Cause the inherent quality factor or service factor of diode fails, and the generating process of failure.
The experiment of diode fails analysis at present is usually to be placed on diode in beaker through various strong acid to diode table
Face carries out heating corrosion layer by layer, finally obtains chip and is analyzed.Existing experiment is artificial substantial length of operation, needs human contact
Various strong acid need to heat beaker by alcolhol burner, asbestos gauge, require operator manually for beaker after corrosion every time
The used acid solution of discharge is removed, the large labor intensity of experimenter is easy fatigue, and the acid solution volatilized in corrosion process is to operation
The eyes and respiratory tract of person cause irritation to injure, and there are certain unstability and risk.And the acid discarded after corroding
Liquid does not focus on, and discharge is lack of standardization easily to be polluted the environment.So that experiment cost of labor is higher, artificial failure analysis is real
Low efficiency is tested, it is very inconvenient to carry out failure analysis experiment to diode.
Summary of the invention
The invention is intended to provide a kind of diode fails analytical equipment, failure analysis is carried out to diode to facilitate, is reduced
The risk of experiment reduces the pollution to environment.
In order to achieve the above objectives, basic technology scheme of the invention is as follows：Diode fails analytical equipment, including cabinet,
Reaction kettle, the cabinet are vertical rectangular box, and the upper end of cabinet is equipped with feed inlet, and there are two the side fixations of the cabinet wall
The support arm being laterally set side by side is hinged between the free end of two support arms in the middle part of the reaction kettle.The cabinet top
The cylinder vertically installed is fixed on the inner wall at end, the output end of cylinder is connected with telescopic rod, and the free end of telescopic rod is hinged with
Connecting rod, the other end of connecting rod are hinged on reaction kettle close to the bottom of cylinder side.On box inside wall below the support arm
Equipped with the guide groove for tilting down setting, the bottom of cabinet is equipped with waste liquid collecting box, and the low side of the guide groove extends to waste collection
In case.
The principle and advantage of this programme be：When operation, Diode samples are put in a kettle, acid solution is poured into reaction
Kettle is allowed to heat to reaction kettle energization and heats to acid solution, and Diode samples are heated corrosion in reaction kettle.Carrying out primary corruption
Do not have to human contact's reaction kettle after erosion and topple over acid solution, directly being tilted reaction kettle by cylinder and telescopic rod can will be after reaction
Acid solution pours out reaction kettle, and the acid solution after use flows into waste liquid collecting box by guide groove and focused on.Support arm is set to reaction
Kettle is supported fixation, and it is convenient to reaction kettle power supply that wire casing can be set in support arm.Cylinder, telescopic rod, connecting rod is arranged can be with
The equilibrium state of reaction kettle is adjusted, makes reaction kettle keep balancing when in use, facilitates tilt reaction kettle after the reaction
Flow out acid solution.Guide groove is set and waste liquid collecting box is convenient to the progress centralized recovery processing of used acid solution, acid solution is avoided to arrange
It puts and improper pollutes the environment destruction.This programme can complete the more of experiment by cylinder, telescopic rod, support arm, reaction kettle
Secondary heating corrosion, does not have to the direct haptoreaction kettle of operator, and setting cabinet is supported protection and isolation to whole, waste liquid is arranged
Collecting box carries out centralized recovery processing to discarded acid solution, keeps the risk of experiment lower, reduces the pollution to environment, more ring
It protects, is more convenient to carry out failure analysis experiment to diode.
Preferred embodiment one, as a kind of improvement of basic scheme, the top of the cabinet is equipped with control box, the control box
It is connect respectively with cylinder and reaction kettle signal.The temperature in cylinder, telescopic rod and reaction kettle is controlled by controlling box, is grasped
Make it is more convenient, do not have to manual contact reaction kettle, safer, influence of the human factor to experimental result is smaller.
Preferred embodiment two, preferably a kind of one improvement, the cylinder are fixed on cabinet by hex bolts.
Enable cylinder is reliable and stable to be fixed on cabinet in this way, keeps cylinder operation more stable.
Preferred embodiment three, a kind of preferably two improvement, the cabinet upper end is hinged with for blocking feed inlet
Transparent case lid.Transparent case lid is convenient to observe the response situation in reaction kettle, prevents from volatilizing in experimentation
Acid solution spills into environment and damages to operator, further decreases the risk of experiment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail：
Appended drawing reference in Figure of description includes：Cabinet 1, guide groove 2, support arm 3, case lid 4, reaction kettle 5, control box 6,
Cylinder 7, telescopic rod 8, connecting rod 9, waste liquid collecting box 10.
Embodiment is substantially as shown in Fig. 1：Diode fails analytical equipment, including cabinet 1, reaction kettle 5, inversion set,
The cabinet 1 is vertical rectangular box, and one jiao of 1 upper end of cabinet is open and is hinged with transparent case lid 4,1 inner wall of cabinet
Side is fixed there are two the support arm 3 being laterally set side by side, and the middle part of the reaction kettle 5 is hinged on the freedom of two support arms 3
Between end.The cylinder 7 vertically installed is fixed on the inner wall on 1 top of cabinet by hex bolts, the output end of cylinder 7 connects
It is connected to telescopic rod 8, the free end of telescopic rod 8 is hinged with connecting rod 9, and the other end of connecting rod 9 is hinged on reaction kettle 5 close to cylinder 7 one
The bottom of side.1 inner sidewall of cabinet of 3 lower section of support arm is equipped with the guide groove 2 for tilting down setting, and the bottom of cabinet 1 is set
There is waste liquid collecting box 10, the low side of the guide groove 2 extends in waste liquid collecting box 10.The top of cabinet 1 is equipped with control box 6, institute
Control box 6 is stated to connect with cylinder 7 and 5 signal of reaction kettle respectively.The reaction kettle 5 includes ontology, end cap, and the ontology is upper end
The round cup-shaped of opening is equipped with the groove of annular on the inner wall and inner bottom surface of the ontology, is fixed with electric heating in the groove
Silk；The outside of the heating wire is equipped with reaction cup；The end cap is hinged on the side of ontology upper end by hinge, the end cap
Shape matches with ontology；The end cap is equipped with several drainage holes, the downwardly convex shape in lower end of end cap and hinge opposite side
At chuck, the ontology upper end side opposite with hinge is equipped with card slot, the chuck and card slot to cooperation.
In the present embodiment, when operation, Diode samples is placed in reaction kettle 5, end cap is covered by chuck and is connected to card slot
It is interior, acid solution is poured by reaction kettle 5 by the drainage hole on end cap, heat is allowed to heating wire energization and reaction kettle 5 is heated, two poles
Pipe sample is corroded in reaction kettle 5.Do not have to that end cap is opened manually after progress is once corroded, directly passes through cylinder 7 and stretch
Acid solution after reaction can be poured out reaction kettle 5 from drainage hole by the inclination of reaction kettle 5 by bar 8, and the acid solution after use is flowed by guide groove 2
Waste liquid collecting box 10 is focused on.Cylinder 7 described in the present embodiment is fixed on cabinet 1 by hex bolts, is made in this way
Cylinder 7 can be reliable and stable be fixed on cabinet 1, so that cylinder 7 is worked more stable.Transparent case lid 4 is convenient in reaction kettle 5
Response situation observed, prevent the acid solution volatilized in experimentation from spilling into environment and operator damaged, reduce
The risk of experiment.Setting support arm 3 is supported fixation to reaction kettle 5, and it is convenient to reaction that wire casing can be set in support arm 3
Kettle 5 is powered.Cylinder 7, telescopic rod 8, connecting rod 9, which is arranged, can be adjusted the equilibrium state of reaction kettle 5, make reaction kettle 5
Used time keeps balance, and facilitate flows out acid solution the inclination of reaction kettle 5 after the reaction.Guide groove 2 and 10 convenience of waste liquid collecting box are set
Centralized recovery processing is carried out to used acid solution, avoids acid solution discharge is improper from polluting the environment destruction.By controlling box 6
Temperature in cylinder 7, telescopic rod 8 and reaction kettle 5 is controlled, operation is more convenient, does not have to manual contact reaction kettle 5, more
Add safety, influence of the human factor to experimental result is smaller.This programme passes through cylinder 7, telescopic rod 8, support arm 3,5 energy of reaction kettle
Enough heating for multiple times corrosion for completing experiment, do not have to the direct haptoreaction kettle 5 of operator, and setting 1 pair of entirety of cabinet is supported guarantor
Shield and isolation, setting waste liquid collecting box 10 carry out centralized recovery processing to discarded acid solution, keep the risk of experiment lower, reduce
Pollution to environment, it is more environmentally-friendly, it is more convenient to carry out failure analysis experiment to diode.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also
Several modifications and improvements can be made, these also should be considered as protection scope of the present invention, these all will not influence of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific embodiment can be used for explaining the content of claim.
Claims (4)
1. diode fails analytical equipment, which is characterized in that including cabinet, reaction kettle, the upper end of the cabinet is equipped with feed inlet,
The side of the cabinet wall is fixed there are two the support arm being laterally set side by side, and is hinged on two branch in the middle part of the reaction kettle
Between the free end of brace；The cylinder vertically installed is fixed on the inner wall on the cabinet top, the cylinder is located at reaction kettle
Oblique upper, the output end of cylinder is connected with telescopic rod, and the free end of telescopic rod is hinged with connecting rod, and the other end of connecting rod is hinged on
Bottom of the reaction kettle close to cylinder side；Box inside wall below the support arm is equipped with the guide groove for tilting down setting,
The bottom of cabinet is equipped with waste liquid collecting box, and the low side of the guide groove extends in waste liquid collecting box；Reaction kettle includes ontology, end
Lid, the ontology are the round cup-shaped of upper end opening, and the groove of annular is equipped on the inner wall and inner bottom surface of the ontology, described
Heating wire is fixed in groove；The outside of the heating wire is equipped with reaction cup；The end cap is hinged on ontology upper end by hinge
Side, shape and the ontology of the end cap match, the free end of the end cap towards cabinet opening, the support arm and
Cylinder is located at the two sides of reaction kettle；The end cap is equipped with several drainage holes, the lower end of end cap and hinge opposite side to
Lower convexity forms chuck, and the ontology upper end side opposite with hinge is equipped with card slot, the chuck and card slot to cooperation.
2. diode fails analytical equipment according to claim 1, it is characterised in that：The top of the cabinet is equipped with control
Box, the control box are connect with cylinder and reaction kettle signal respectively.
3. diode fails analytical equipment according to claim 2, it is characterised in that：The cylinder is solid by hex bolts
It is scheduled on cabinet.
4. diode fails analytical equipment according to claim 3, it is characterised in that：The cabinet upper end, which is hinged with, to be used for
Block the transparent case lid of feed inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510915805.3A CN105372575B (en) | 2015-12-10 | 2015-12-10 | Diode fails analytical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510915805.3A CN105372575B (en) | 2015-12-10 | 2015-12-10 | Diode fails analytical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105372575A CN105372575A (en) | 2016-03-02 |
| CN105372575B true CN105372575B (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510915805.3A Active CN105372575B (en) | 2015-12-10 | 2015-12-10 | Diode fails analytical equipment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201429770Y (en) * | 2009-07-15 | 2010-03-24 | 北京京东方光电科技有限公司 | Developing solution dumping equipment |
| CN103005647A (en) * | 2012-12-26 | 2013-04-03 | 苏州麦克食品机械塑胶有限公司 | Food processing overturning vehicle |
| CN103337565A (en) * | 2013-06-04 | 2013-10-02 | 中国电子科技集团公司第四十五研究所 | High-temperature strong acid tank for LED chip side wall corrosion process |
| CN104404559A (en) * | 2014-11-19 | 2015-03-11 | 重庆科技学院 | Acid pickling device for laboratory |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6502044B1 (en) * | 1999-07-12 | 2002-12-31 | Acuity Brands Inc. | Self-diagnostic circuitry for emergency lighting fixtures |
| CN201717244U (en) * | 2010-05-05 | 2011-01-19 | 如皋市易达电子有限责任公司 | Acid pouring mechanism of diode |
| CN201796612U (en) * | 2010-09-17 | 2011-04-13 | 中国核电工程有限公司 | Pneumatic overturning device for radioactive substance transfer container |
| CN201845075U (en) * | 2010-09-20 | 2011-05-25 | 东南大学 | Tester for direct carbon fuel cell and direct carbon fuel half-cell of fluidized bed electrode |
| CN204817429U (en) * | 2015-06-29 | 2015-12-02 | 南通康比电子有限公司 | Diode failure analysis device |
-
2015
- 2015-12-10 CN CN201510915805.3A patent/CN105372575B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201429770Y (en) * | 2009-07-15 | 2010-03-24 | 北京京东方光电科技有限公司 | Developing solution dumping equipment |
| CN103005647A (en) * | 2012-12-26 | 2013-04-03 | 苏州麦克食品机械塑胶有限公司 | Food processing overturning vehicle |
| CN103337565A (en) * | 2013-06-04 | 2013-10-02 | 中国电子科技集团公司第四十五研究所 | High-temperature strong acid tank for LED chip side wall corrosion process |
| CN104404559A (en) * | 2014-11-19 | 2015-03-11 | 重庆科技学院 | Acid pickling device for laboratory |
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| CN105372575A (en) | 2016-03-02 |
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Effective date of registration: 20191226 Address after: No. 10902, floor 9, unit 1, building 1, Jingwei International Center, No. 29, west section of Xijin Road, Jingwei new city, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee after: Xi'an Kun Wei Electronic Technology Co., Ltd. Address before: 401147, 23-3, 1, red road 228, Longxi Road, Longxi Road, Chongqing, Yubei District Patentee before: CHONGQING KAIXIYI ELECTRONIC TECHNOLOGY CO., LTD. |
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