CN208045455U - A kind of novel chip measuring head - Google Patents
A kind of novel chip measuring head Download PDFInfo
- Publication number
- CN208045455U CN208045455U CN201820559247.0U CN201820559247U CN208045455U CN 208045455 U CN208045455 U CN 208045455U CN 201820559247 U CN201820559247 U CN 201820559247U CN 208045455 U CN208045455 U CN 208045455U
- Authority
- CN
- China
- Prior art keywords
- measuring head
- main body
- head main
- copper bar
- plastic plate
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of novel chip measuring heads, it includes crossbeam（1）, measuring head main body（2）, insulating cylinder（3）And battery（4）, crossbeam（1）Bottom be installed with holder（5）, holder（5）On be provided with the guide rail of vertical setting（6）, guide rail（6）On sliding block is installed（7）, measuring head main body（2）It is set to sliding block（7）On, measuring head main body（2）On be provided with copper bar（8）, insulating cylinder（3）It is set to measuring head main body（2）Underface, insulating cylinder（3）Upper and lower end parts be both provided with opening, through hinge seat under shed（14）It is hinged with plastic plate（9）, plastic plate（9）Inside it is provided with lower copper bar（10）, lower copper bar（10）Through plastic plate（9）Setting, the battery（4）Anode through conducting wire A and lower copper bar（10）It is connected.The utility model has the beneficial effects that：Compact-sized, raising testing efficiency, reduction testing cost.
Description
Technical field
The utility model is related to the technical field of chip electric performance test, especially a kind of novel chip measuring head.
Background technology
Apparatus for testing chip is essential equipment for production process core built-in testing, and existing chip testing fills
The resistance for calculating chip after obtaining electric current by current detecting by Ohm's law is set generally, obtained resistance and conjunction are passed through
The resistance of lattice chip compares, and is determined as that the chip is not if the resistance that the resistance for measuring chip is less than or greater than qualified chip
Certified products.
Currently, the device of detection electric current includes battery case, two conductive chucks, ammeter and chip attracting device, battery
Battery is installed, the anode of battery is connected by the input port of conducting wire and ammeter, and the output port of ammeter passes through in box
Conducting wire is connected with one of collet, and the cathode of battery is connected by conducting wire and another collet, the chip attracting device packet
Fixed seat, vacuum cup and vacuum extractor are included, vacuum cup is set to the top of fixed seat, pumping is offered in fixed seat
Hole, aspirating hole are connected to vacuum cup, and the end of aspirating hole is connect with vacuum extractor.When test chip, first chip is kept flat
In the top of vacuum cup, then vacuum extractor is opened, chip is sucked vacuum cup, prevents chip from being fallen from fixed seat,
Two conductive chucks are then clipped in chip left and right sides respectively, a circuit is formed at this time, chip is shown on ammeter
Current value finally utilizes and obtains the resistance of chip according to the voltage divided by electric current of battery, by the resistance of measurement and qualified chip
Resistance is compared, to realize chip testing.
However, loading and unloading chip is required for operation vacuum extractor every time, and also need to be clamped with two conductive chucks
Chip, this is undoubtedly increased the operational sequence of worker, increases the labor intensity of worker, reduces the testing efficiency of chip.
In addition, an operation vacuum extractor, another person operates conductive chuck, and the worker of input is more, increases testing cost.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts, provide it is a kind of it is compact-sized, improve testing efficiency,
Reduce the novel chip measuring head of testing cost.
The purpose of this utility model is achieved through the following technical solutions：A kind of novel chip measuring head, it include crossbeam,
The bottom of measuring head main body, insulating cylinder and battery, the crossbeam is installed with holder, and the guide rail of vertical setting is provided on holder,
Sliding block is installed, the measuring head main body is set on sliding block, and copper bar, the insulation are provided in measuring head main body on guide rail
Cylinder is set to the underface of measuring head main body, and the upper and lower end parts of insulating cylinder are both provided with opening, are hinged through hinge seat under shed
There is plastic plate, be provided with lower copper bar in plastic plate, lower copper bar is arranged through plastic plate, and the anode of the battery is through conducting wire A under
Copper bar is connected, and the cathode of battery and the input terminal of ammeter are through conducting wire B connections, and the output end of ammeter is through conducting wire C and upper copper bar
It is connected；The bottom of the measuring head main body is provided with L plates, and the level board of L plates is located at the underface of plastic plate, the top of level board
It is installed with spring A, is fixed on plastic plate at the top of spring A, spring B, spring B are fixedly provided at the top of the measuring head main body
The other end be fixed on crossbeam.
The measuring head main body is welded in the side of sliding block.
The insulating cylinder is cone-shaped.
The battery is set on the side wall of insulating cylinder.
The ammeter is set in measuring head main body.
The bottom of the plastic plate is provided with handle.
The bottom of the measuring head main body is provided with plank, and the upper copper bar is fixedly arranged in plank.
The utility model has the following advantages：The utility model is compact-sized, improves testing efficiency, reduces testing cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the status diagram for rejecting unqualified chip.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings, the scope of protection of the utility model be not limited to
It is lower described：
As shown in Figure 1 and 2, a kind of novel chip measuring head, it includes crossbeam 1, measuring head main body 2, insulating cylinder 3 and battery
4, the bottom of the crossbeam 1 is installed with holder 5, and the guide rail 6 of vertical setting is provided on holder 5, sliding block 7 is equipped on guide rail 6,
The measuring head main body 2 is set on sliding block 7, and copper bar 8 is provided in measuring head main body 2, and the insulating cylinder 3 is cone-shaped,
Insulating cylinder 3 is set to the underface of measuring head main body 2, and the upper and lower end parts of insulating cylinder 3 are both provided with opening, and under shed is interior through hinge
Seat 14 is hinged with plastic plate 9, and lower copper bar 10 is provided in plastic plate 9, and lower copper bar 10 is arranged through plastic plate 9, the battery 4
Anode is connected through conducting wire A and lower copper bar 10, and battery 4 is set on the side wall of insulating cylinder 3, cathode and the ammeter 16 of battery 4
Input terminal is connected through conducting wire B connections, the output end of ammeter 16 through conducting wire C and upper copper bar 8；The bottom of the measuring head main body 2
L plates 11 are provided with, the level board of L plates 11 is located at the underface of plastic plate 9, spring A12, spring are installed at the top of level board
It is fixed at the top of A12 on plastic plate 9, the top of the measuring head main body 2 is fixedly provided with spring B 15, the other end of spring B 15
It is fixed on crossbeam 1.
The measuring head main body 2 is welded in the side of sliding block 7.The ammeter 16 is set in measuring head main body 2.It is described
The bottom of plastic plate 9 is provided with handle 13, and the operable handle of worker 13 makes plastic plate 9 be rotated down around hinge seat 14, works as pine
After opening handle 13, plastic plate resets under the recovery force effect of spring A.
The bottom of the measuring head main body 2 is provided with plank, and the upper copper bar 8 is fixedly arranged in plank.
The course of work of the utility model is as follows：Worker first launches chip to be measured into insulating cylinder 3, and chip lies low
The top of the plastic plate 9 and lower surface of chip is contacted with lower copper bar 10, worker pulls measuring head main body 2, measuring head master still further below
Body 2 is moved down with sliding block 7 along guide rail 6, when the upper surface of upper copper bar 8 and chip contacts, battery 4, conducting wire A, lower copper
Item 10, chip, upper copper bar 8, conducting wire C, ammeter 16 and conducting wire B form series circuit, and series circuit is shown on ammeter 16
Electric current, worker calculates the resistance of chip using Ohm's law after reading electric current, according to obtained resistance and qualified chip
Resistance compares, if calculated resistance is equal to the resistance of qualified chip, is determined as that chip under test is certified products, worker is then straight
It connects and chip is taken out and stacked from insulating cylinder 3；If calculated resistance is less than or greater than the electronics of qualified chip, it is determined as
Chip under test is defective work, pulls down plastic plate 9 by handle 13 at this time, and plastic plate 9 is rotated down around hinge seat 14, modeling
9 compressed spring A12 of flitch is fallen into along 9 inclined-plane of plastic plate on the level board of L plates 11 without qualified chip, realizes defective work
It rejects, finally realizes the test of chip.Therefore this measuring head uses two compared to the device of traditional detection electric current without worker
A conductive chuck carries out clamping chip, and chip is sucked without with vacuum extractor, greatly alleviates the labor intensity of worker.
Directly move downward measuring head main body 2, you can series circuit quickly to be formed, it is not necessary that chip is clamped with two conductive chucks in addition
To form series circuit, testing efficiency higher.
Claims (7)
1. a kind of novel chip measuring head, it is characterised in that：It includes crossbeam（1）, measuring head main body（2）, insulating cylinder（3）And electricity
Pond（4）, the crossbeam（1）Bottom be installed with holder（5）, holder（5）On be provided with the guide rail of vertical setting（6）, guide rail（6）
On sliding block is installed（7）, the measuring head main body（2）It is set to sliding block（7）On, measuring head main body（2）On be provided with copper bar
（8）, the insulating cylinder（3）It is set to measuring head main body（2）Underface, insulating cylinder（3）Upper and lower end parts be both provided with opening,
Through hinge seat under shed（14）It is hinged with plastic plate（9）, plastic plate（9）Inside it is provided with lower copper bar（10）, lower copper bar（10）It passes through
Wear plastic plate（9）Setting, the battery（4）Anode through conducting wire A and lower copper bar（10）It is connected, battery（4）Cathode and electric current
Table（16）Input terminal through conducting wire B connections, ammeter（16）Output end through conducting wire C and upper copper bar（8）It is connected；The measuring head
Main body（2）Bottom be provided with L plates（11）, L plates（11）Level board be located at plastic plate（9）Underface, the top of level board
It is installed with spring A（12）, spring A（12）Top be fixed on plastic plate（9）On, the measuring head main body（2）Top it is also solid
Equipped with spring B（15）, spring B（15）The other end be fixed on crossbeam（1）On.
2. a kind of novel chip measuring head according to claim 1, it is characterised in that：The measuring head main body（2）Welding
In sliding block（7）Side.
3. a kind of novel chip measuring head according to claim 1, it is characterised in that：The insulating cylinder（3）For cone-shaped.
4. a kind of novel chip measuring head according to claim 1, it is characterised in that：The battery（4）It is set to insulation
Cylinder（3）Side wall on.
5. a kind of novel chip measuring head according to claim 1, it is characterised in that：The ammeter（16）It is set to survey
Try head main body（2）On.
6. a kind of novel chip measuring head according to claim 1, it is characterised in that：The plastic plate（9）Bottom set
It is equipped with handle（13）.
7. a kind of novel chip measuring head according to claim 1, it is characterised in that：The measuring head main body（2）Bottom
Portion is provided with plank, the upper copper bar（8）It is fixedly arranged in plank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820559247.0U CN208045455U (en) | 2018-04-19 | 2018-04-19 | A kind of novel chip measuring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820559247.0U CN208045455U (en) | 2018-04-19 | 2018-04-19 | A kind of novel chip measuring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208045455U true CN208045455U (en) | 2018-11-02 |
Family
ID=63927720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820559247.0U Expired - Fee Related CN208045455U (en) | 2018-04-19 | 2018-04-19 | A kind of novel chip measuring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208045455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137312A (en) * | 2020-11-02 | 2022-03-04 | 国网冀北电力有限公司检修分公司 | Loop resistance test assembly |
-
2018
- 2018-04-19 CN CN201820559247.0U patent/CN208045455U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137312A (en) * | 2020-11-02 | 2022-03-04 | 国网冀北电力有限公司检修分公司 | Loop resistance test assembly |
| CN114137312B (en) * | 2020-11-02 | 2023-12-22 | 国网冀北电力有限公司检修分公司 | Loop resistance test assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20200419 |