CN209296778U - Chip testboard - Google Patents
Chip testboard Download PDFInfo
- Publication number
- CN209296778U CN209296778U CN201821885704.1U CN201821885704U CN209296778U CN 209296778 U CN209296778 U CN 209296778U CN 201821885704 U CN201821885704 U CN 201821885704U CN 209296778 U CN209296778 U CN 209296778U
- Authority
- CN
- China
- Prior art keywords
- test
- test suite
- chip
- lifting device
- testboard
- 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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- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The utility model discloses a kind of chip testboard, including pedestal, the pedestal is equipped with the first test suite and the second test suite being oppositely arranged, and is equipped with the lifting device for adjusting upper-lower height between the two；The first test suite upper end is equipped with the first holder that two be oppositely arranged are used for clamping test cable, and the second test suite upper end is equipped with second holder；First test suite and the second test suite is equipped with first gearshift mobile for left and right horizontal and from the bottom up for the second displacement device of horizontal shifting.The utility model passes through setting lifting device, it can be used for the first mobile gearshift of left and right horizontal and the second displacement device for horizontal shifting, realize the adjustable accurate positionin of six direction, tester can guarantee the testing efficiency of chip when test.
Description
Technical field
The utility model relates to a kind of chip test tools, and in particular to a kind of polytypic chip testboard.
Background technique
The chip volume of radar is usually smaller, is tested originally with special test frame in wire bonding, such method behaviour
Make complexity, and causes certain waste.
Utility model content
A kind of purpose of utility model: and operation letter adjustable the purpose of this utility model is to provide measurement direction accurate positioning
Single chip testboard.
Technical solution: the utility model is realized using following technological means: a kind of chip testboard, including pedestal,
The pedestal is equipped with the first test suite and the second test suite being oppositely arranged, and is equipped between the two for adjusting
The lifting device of lower height；The first test suite upper end is equipped be oppositely arranged two for clamping test cable
One holder, the second test suite upper end are equipped with second holder；First test suite and the second test group
Part is equipped with the first gearshift for left and right horizontal movement from the bottom up and the second displacement for horizontal shifting fills
It sets.
First gearshift and second displacement device is made of sliding rail and compatible slide unit, and passes through rotation
Button control sliding, realizes opposite sliding by setting gear and rack teeth mechanism between sliding rail and slide unit.
The sliding rail is dovetail groove sliding rail.
The upper end of first test suite and the second test suite is respectively arranged a test bench relatively, each described
Test bench upper end is equipped with limit plate, and limit plate bottom is equipped with one/two testing needles, and the testing needle is stretched out from instrument connection,
The back side of limit plate is adjustment block, and the adjustment block two sides are respectively provided with a screw thread via hole and a threaded hole, the spiral shell
Line via hole and plus screw are threadedly coupled, and the threaded hole stops head screw thread with hexagonal and connects.
Specifically, the test bench of the first test suite is crosspointer test bench, and the test bench of the second test suite is single needle
Test bench, the i.e. quantity of testing needle come to three, require three needles to be in a horizontal plane during test, in test process
The feedback data of middle electrical property is stablized, and can guarantee the service life of testing needle.
The top of the lifting device is fixedly connected with microscope carrier by thimble, has micro bullet between the thimble and microscope carrier
Property, to have elastic compensating power, prevent thimble from damaging, and microscope carrier is made to have the function of compensating height error automatically.
The lifting device is worm gear mechanism.Because worm gear mechanism has self-locking function, it is elevated to a certain height
Degree is not forced decline.
The thimble is four, is uniformly distributed at the top of lifting device and level height is consistent.
The end of first gearshift and second displacement device is all provided with limited position mechanism, and position-limit mechanism is screw machine
Structure has self-locking function, for adjusting limit.
The utility model is by being arranged lifting device, can be used for the first mobile gearshift of left and right horizontal and for front and back
The second displacement device moved horizontally, realizes the adjustable accurate positionin of six direction, and tester can be with when test
Guarantee the testing efficiency of chip, and detected relative to traditional single testing jig, operates simpler, more reliable, the efficiency of detection
It is high.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the structural scheme of mechanism of gearshift and lifting device；
Fig. 3 is the structural schematic diagram of crosspointer test bench.
Appended drawing reference: 1- pedestal, 2- lifting device, the first holder of 3-, the second holder of 4-, the first gearshift of 5-, 6-
Two gearshifts, 7- sliding rail, 8- slide unit, 9- knob, 10- limit plate, 11- testing needle, 12- instrument connection, 13- adjustment block, 14-
Screw thread via hole, 15- threaded hole, 16- thimble, 17- microscope carrier, 18- test bench, 19- position-limit mechanism.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings of the specification:
Embodiment:
Such as Fig. 1, a kind of chip testboard, including pedestal 1, pedestal 1 are equipped with the first test suite for being oppositely arranged and the
Two test suites, and it is equipped with the lifting device 2 for adjusting upper-lower height between the two；First test suite upper end is equipped with opposite
Two be arranged are used for the first holder 3 of clamping test cable, and the second test suite upper end is equipped with second holder 4；First
Test suite and the second test suite are equipped with first gearshift 5 mobile for left and right horizontal and from the bottom up for front and backs
The second displacement device 6 moved horizontally is used for accurate shift position, so that chip and baffle bottom are accurately bonded.
First gearshift 5 and second displacement device 6 are made of sliding rail 7 and compatible slide unit 8, and pass through knob
9 control slidings, realize opposite sliding by setting gear and rack teeth mechanism between sliding rail 7 and slide unit 8, specifically, sliding rail 7 is
Dovetail groove sliding rail.
A test bench 18 is respectively arranged in the upper end of first test suite and the second test suite relatively, on each test bench 18
End is equipped with limit plate 10, and 10 bottom of limit plate is equipped with one/two testing needles 11, and testing needle 11 is stretched out from instrument connection 12, test
Needle 11 with test cable for being connected, and the back side of limit plate 10 is adjustment block 13, and 13 two sides of adjustment block are respectively provided with a screw thread
Via hole 14 and a threaded hole 15, screw thread via hole 14 are connected with cross nut thread, and threaded hole 15 and hexagonal stop head screw thread
Connection, adjustment block and screw thread aperture member form micromatic setting, and for protecting testing needle, chip during the test will be first by three
The position of a testing needle regulates, and then lifting device 2 moves up, and stabilizes to until chip under test pin touches testing needle
Only, the reaction force that testing needle has a reaction upward during this, will affect the service life of needle, can be by adjusting ten
Word screw and hexagonal stop head screw and are finely adjusted adjustment block 13, guarantee the core to be measured when up stress during the test
Piece is bonded with baffle, guarantees that crosspointer contacts reliably with the pin of chip, chip under test is tightly attached to two baffles when test
Lower plane, therefore needle will not be over-stressed and damage, and guarantee that ground connection is reliable.
The top of lifting device 2 is fixedly connected with microscope carrier 17 by thimble 16, there is micro elasticity between thimble 16 and microscope carrier 17,
There is spring to play the role of elastic compensating below, microscope carrier 6 has the function of automatic compensation height error, meets the coexistence of at least three needles
The requirement of one plane to guarantee that the feedback data of electrical property during the test is stablized, and can guarantee making for testing needle
Use the service life.
Thimble 16 is at least four, is in the present invention specifically four, is uniformly distributed in the top of lifting device 2
Portion and level height is consistent, the end of the first gearshift 5 and second displacement device 6 is all provided with limited position mechanism 19, is adjusting
Position-limiting action is played after gearshift.
The utility model is by the way that up and down, left and right, front and back six direction adjusts test position, and micro- by baffle adjustment block
Regulating mechanism is finely adjusted, and is further accurately positioned, and ensure that the reliability of test, and operation is simpler, high-efficient.
Claims (8)
1. a kind of chip testboard, including pedestal (1), it is characterised in that: the pedestal (1) is equipped with first be oppositely arranged
Test suite and the second test suite, and it is equipped with the lifting device (2) for adjusting upper-lower height between the two；Described first
Test suite upper end is equipped with the first holder (3) that two be oppositely arranged are used for clamping test cable, second test group
Part upper end is equipped with second holder (4)；First test suite and the second test suite is equipped with is used for from the bottom up
Mobile the first gearshift (5) of left and right horizontal and the second displacement device (6) for horizontal shifting.
2. chip testboard as described in claim 1, it is characterised in that: first gearshift (5) and second displacement
Device (6) is made of sliding rail (7) and compatible slide unit (8), and passes through knob (9) control sliding, sliding rail (7) and slide unit
(8) opposite sliding is realized by setting gear and rack teeth mechanism between.
3. chip testboard as claimed in claim 2, it is characterised in that: the sliding rail (7) is dovetail groove sliding rail.
4. chip testboard as claimed in claim 3, it is characterised in that: first test suite and the second test suite
Upper end one test bench (18) is respectively set relatively, test bench (18) upper end is equipped with limit plate (10), limit plate
(10) bottom is equipped with one/two testing needles (11), and the testing needle (11) is stretched out from instrument connection (12), limit plate (10)
Back side is adjustment block (13), and the adjustment block (13) two sides are respectively provided with a screw thread via hole (14) and a threaded hole (15),
The screw thread via hole (14) and cross nut are connected through a screw thread, and the threaded hole (15) and hexagonal stop head screw and pass through spiral shell
Line connection.
5. chip testboard as claimed in claim 4, it is characterised in that: pass through thimble at the top of the lifting device (2)
(16) it is fixedly connected microscope carrier (17), has micro elasticity between the thimble (16) and microscope carrier (17).
6. chip testboard as claimed in claim 4, it is characterised in that: the lifting device (2) is worm gear mechanism.
7. chip testboard as claimed in claim 5, it is characterised in that: the thimble (16) is four, is uniformly distributed in
At the top of lifting device (2) and level height is consistent.
8. chip testboard as claimed in claim 6, it is characterised in that: first gearshift (5) and second displacement
The end of device (6) is all provided with limited position mechanism (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821885704.1U CN209296778U (en) | 2018-11-15 | 2018-11-15 | Chip testboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821885704.1U CN209296778U (en) | 2018-11-15 | 2018-11-15 | Chip testboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209296778U true CN209296778U (en) | 2019-08-23 |
Family
ID=67644479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821885704.1U Expired - Fee Related CN209296778U (en) | 2018-11-15 | 2018-11-15 | Chip testboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209296778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824342A (en) * | 2019-11-14 | 2020-02-21 | 杭州易正科技有限公司 | A test fixture for SOP encapsulation |
-
2018
- 2018-11-15 CN CN201821885704.1U patent/CN209296778U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824342A (en) * | 2019-11-14 | 2020-02-21 | 杭州易正科技有限公司 | A test fixture for SOP encapsulation |
| CN110824342B (en) * | 2019-11-14 | 2021-08-06 | 台山市利华电子厂有限公司 | A test fixture for SOP encapsulation components and parts |
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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: 20190823 Termination date: 20211115 |