CN208224429U - A kind of chip of laser test device using novel probe - Google Patents
A kind of chip of laser test device using novel probe Download PDFInfo
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- CN208224429U CN208224429U CN201820936786.1U CN201820936786U CN208224429U CN 208224429 U CN208224429 U CN 208224429U CN 201820936786 U CN201820936786 U CN 201820936786U CN 208224429 U CN208224429 U CN 208224429U
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Abstract
The utility model discloses a kind of chip of laser test devices using novel probe.The test device includes bottom plate, plate upper surface is equipped with the boss of horizontal full-length, rule is fixed with several needle stands on boss, multiple groups probe is fixed in each needle stand corresponding position, every group of probe and a chip are corresponding, probe includes the needle handle of hollow cylinder structure, cavity is formed with inside needle handle, the backshank of cavity upper end connecting cylinder shape and the cylindrical syringe needle that is slidably connected, needle stand is equipped with several stepped holes, stepped hole includes upper rank hole and the location hole of lower end of upper end, upper rank hole jacket needle handle, syringe needle passes through location hole and enters outside, backshank is electrically connected pcb board, the length of needle handle and the ratio of needle length are 2: 1, the length of syringe needle and the ratio of positioning hole length are 2: 1.The utility model has the positioning accuracy of probe high, pushes and stablizes, and no swing of walking about, Product Precision is high, the high effect of yields.
Description
Technical field
The utility model relates to chip of laser testing field, in particular to a kind of chip of laser using novel probe
Test device.
Background technique
With industry development, device (including chip and ceramic bases) size requirement whole to laser chip is smaller and smaller,
Small size requires to do circuit trace in laser ceramic bases narrow, and cabling has required to accomplish 0.15mm or even 0.09- at present
0.1mm, this requires the positioning of higher precision is needed to the probe that laser is powered on.A kind of currently used laser power-up knot
Electric current on PCB or voltage signal are transferred to multichip ceramic substrate for probe by structure.It has a disadvantage in that: in order to guarantee that probe has foot
Enough down strokes guarantee that, to the pressure of chip, the limit thickness deficiency of probe tip part causes probe tip bottom to have
The swing of 0.05mm tolerance, and chip manufacture technique has 0.05mm tolerance.When chip pad cabling is narrow, such as
0.1mm, it is low that this structure becomes Reliability comparotive, will lead to probe tip bottom and does not contact with multichip ceramic substrate cabling.
Utility model content
One or more to solve the above-mentioned problems, the utility model provide a kind of laser using novel probe
Apparatus for testing chip.
One aspect according to the present utility model, the test device include bottom plate, and plate upper surface is equipped with horizontal full-length
Boss, boss side form the first groove, and rule is fixed with several localization tools in the first groove, and rule is fixed on boss
Several needle stands, each needle stand upper surface are fixed with a PCB plate, and each needle stand side is located on the upside of localization tool, Mei Geding
Position jig, which is equipped with, is fixed with multiple chips, and multiple groups probe, every group of probe and a chip are fixed in each needle stand corresponding position
It is corresponding,
Probe includes the needle handle of hollow cylinder structure, and cavity, the needle of cavity upper end connecting cylinder shape are formed with inside needle handle
The syringe needle of tail and the cylinder that is slidably connected, backshank and syringe needle can be moved up and down along cavity inner wall, and spring, spring are equipped in cavity
Upper end is bonded backshank and lower end contacts syringe needle,
Needle stand is equipped with several stepped holes, and stepped hole includes upper rank hole and the location hole of lower end of upper end, upper rank hole packet
Needle handle is covered, syringe needle passes through location hole and enters outside, and backshank is electrically connected pcb board, and the length of needle handle and the ratio of needle length are 2:
1, the length of syringe needle and the ratio of positioning hole length are 2: 1.The beneficial effect is that: first, the positioning accuracy of probe is high, positioning accurate
Degree can be improved 0.02mm, and syringe needle, which pushes, to be stablized, and solve the swing that syringe needle bottom has 0.05mm tolerance, syringe needle bottom with
The contact of multichip ceramic substrate cabling is good, is required suitable for 0.1mm with downward cabling；Second, cabling is stablized, Trace speed can be obtained
To raising, high production efficiency；Third, cabling is stablized, no beat, Product Precision is high, and product quality is high, and yields is high.
Further, the length of needle handle is 3.4mm, and the length of syringe needle is 1.7mm, and the length of location hole is 0.85mm.
Further, cavity lower end is formed with lower shoulder block and upper end forms shoulder block, lower shoulder block center be equipped with it is perforative under
Location hole, upper shoulder block center are equipped with perforative upper location hole,
Syringe needle includes spike body, and spike body end is formed with the lower shaft shoulder, and backshank includes backshank main body, backshank main body end
End is formed with the shaft shoulder,
The lower shaft shoulder can be slided in cavity up to lower shoulder block, and needle main body passes through lower Positioning holes,
The upper shaft shoulder can slide in cavity until upper shoulder block, backshank main body pass through upper location hole.The beneficial effect is that: it should
Syringe needle, needle handle and the backshank of setting, move up and down straightness height, no inclination generation, ensure that the controllable of positioning and cabling
Property processed.
Further, the lower shaft shoulder and cavity, lower Positioning holes and spike body clearance fit, the upper shaft shoulder and cavity, upper positioning
Hole and the cooperation of backshank body gap.The beneficial effect is that: it prevents from moving up and down middle beat phenomenon, alignment accuracy is higher.
Further, cavity is cuboid, and the lower shaft shoulder and the upper shaft shoulder are cuboid.The beneficial effect is that: it prevents
Under circular-rotation on the move.
Further, cavity is identical with the outer diameter of spring.
Further, the boss other side is respectively formed the second groove, and the second groove and the first groove are parallel to each other, and second is recessed
Groove width is greater than the first groove, is fixed with one piece of test board, test board and boss upper surface flush, needle stand phase on the second groove
Side is answered to be equipped with several detection probes.
Further, it is equipped with first waist-shaped hole in adjustment width direction in the middle part of needle stand, hexagon socket cap head screw passes through the
One waist-shaped hole is fixed on boss, and pcb board is equipped with the second waist-shaped hole, and the second waist-shaped hole accommodates the nut of hexagon socket cap head screw
It is mobile.The beneficial effect is that: the first waist-shaped hole and the second waist-shaped hole can be realized width adjusting, and nut enters the second waist type
Hole, overall mechanism is simple, small in size.
Further, pcb board length and width dimensions are identical with the length and width dimensions of needle stand, the width of localization tool and the first groove
Width is consistent, and pcb board, needle stand and localization tool are respectively 4 groups.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional of chip of laser test device using novel probe of one embodiment of the utility model
Schematic diagram；
Fig. 2 is the schematic three dimensional views of probe shown in Fig. 1, pcb board and needle stand；
Fig. 3 is the schematic cross-sectional view of probe shown in Fig. 2, pcb board and needle stand；
Fig. 4 is the schematic three dimensional views of probe shown in Fig. 2；
Fig. 5 is the schematic cross-sectional view of probe shown in Fig. 4；
Bottom plate 1, boss 11, the first groove 12, the second groove 13, localization tool 2, needle stand 3, the first waist-shaped hole 31, ladder
Hole 32, upper rank hole 321, location hole 322, pcb board 4, the second waist-shaped hole 41, probe 5, needle handle 51, cavity 511, lower shoulder block 512,
Upper shoulder block 513, lower Positioning holes 514, upper location hole 515, backshank 52, backshank main body 520, the upper shaft shoulder 521, syringe needle 53, syringe needle sheet
Body 530, the lower shaft shoulder 531, spring 54, test board 6, detection probe 7.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.It should be noted that making in being described below
Word "front", "rear", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" respectively refer to
Be directed towards or far from geometric center of specific component direction.
Fig. 1 to Fig. 5 schematically shows a kind of a kind of using novel probe of embodiment according to the present utility model
Chip of laser test device.As shown, the device includes bottom plate 1,1 upper surface of bottom plate is equipped with the boss of horizontal full-length
11,11 side of boss forms the first groove 12, and rule is fixed with several localization tools 2 in the first groove 12,
Rule is fixed with several needle stands 3 on boss 11, and each 3 upper surface of needle stand is fixed with a PCB plate 4, Mei Gezhen
3 sides of seat are located at 2 upside of localization tool, and each localization tool 2 is equipped with and is fixed with multiple chips, each 3 corresponding position of needle stand
Interior fixed multiple groups probe 5, every group of probe 5 and a chip are corresponding,
Probe 5 includes the needle handle 51 of hollow cylinder structure, and cavity 511, the connection of 511 upper end of cavity are formed with inside needle handle 51
Cylindrical backshank 52 and be slidably connected cylindrical syringe needle 53, backshank 52 and syringe needle 53 along 511 inner wall of cavity can on move down
It is dynamic, spring 54 is equipped in cavity 511,54 upper end of spring is bonded backshank 52 and lower end contacts syringe needle 53,
Needle stand 3 is equipped with several stepped holes 32, and stepped hole 32 includes the upper rank hole 321 of upper end and the location hole of lower end
322, upper 321 jacket needle handle 51 of rank hole, syringe needle 53 passes through location hole 322 and enters outside, and backshank 52 is electrically connected pcb board 4, needle handle 51
The ratio of 53 length of length and syringe needle be 2: 1, the ratio of 322 length of length and location hole of syringe needle 53 is 2: 1.It is beneficial to effect
Fruit is: first, the positioning accuracy of probe 5 is high, positioning accuracy can be improved 0.02mm, and syringe needle 53, which pushes, to be stablized, and solve needle
First 53 bottom has the swing of 0.05mm tolerance, and 53 bottom of syringe needle contacts well with multichip ceramic substrate cabling, is suitable for 0.1mm
It is required with downward cabling；Second, cabling is stablized, Trace speed can be improved, high production efficiency；Third, cabling is stablized, it is unbiased
Pendulum, Product Precision is high, and product quality is high, and yields is high.
Preferably, the length of needle handle 51 is 3.4mm, and the length of syringe needle 53 is 1.7mm, and the length of location hole 322 is
0.85mm。
Preferably, 511 lower end of cavity is formed with lower shoulder block 512 and upper end forms shoulder block 513, and lower 512 center of shoulder block is set
There are perforative lower Positioning holes 514, upper 513 center of shoulder block is equipped with perforative upper location hole 515,
Syringe needle 53 includes spike body 530, and 530 end of spike body is formed with the lower shaft shoulder 531, and backshank 52 includes backshank master
Body 520,520 end of backshank main body are formed with the shaft shoulder 521,
The lower shaft shoulder 531 can be slided in cavity 511 up to lower shoulder block 512, and needle main body 530 passes through lower Positioning holes 514,
The upper shaft shoulder 521 can slide in cavity 511 until upper shoulder block 513, backshank main body 520 pass through upper location hole 515.
The beneficial effect is that: syringe needle 53, needle handle 51 and the backshank 52 of the setting move up and down straightness height, and no inclination generates, and guarantee
The controllability of positioning and cabling.
Preferably, 530 clearance fit of the lower shaft shoulder 531 and cavity 511, lower Positioning holes 514 and spike body, the upper shaft shoulder 521
With 520 clearance fit of cavity 511, upper location hole 515 and backshank main body.The beneficial effect is that: it is existing to prevent from moving up and down middle beat
As alignment accuracy is higher.
Preferably, cavity 511 is cuboid, and the lower shaft shoulder 531 and the upper shaft shoulder 521 are cuboid.The beneficial effect is that:
Prevent the circular-rotation in moving up and down.
Preferably, cavity 511 is identical with the outer diameter of spring 54.
Preferably, 11 other side of boss is respectively formed the second groove 13, and the second groove 13 and the first groove 12 are parallel to each other,
Second groove, 13 width is greater than the first groove 12, is fixed with one piece of test board 6 on the second groove 13, on test board 6 and boss 11
Surface flush, 3 corresponding side of needle stand are equipped with several detection probes 7.
Preferably, first waist-shaped hole 31 in adjustment width direction is equipped in the middle part of needle stand 3, hexagon socket cap head screw passes through the
One waist-shaped hole 31 is fixed on boss 11, and pcb board 4 is equipped with the second waist-shaped hole 41, and the second waist-shaped hole 41 accommodates interior hexagonal cylindrical head spiral shell
The movement of the nut of nail.First waist-shaped hole 31 can be realized width adjusting, and nut enters the second waist-shaped hole 41, overall mechanism letter
It is single, it is small in size.
Preferably, 4 length and width dimensions of pcb board are identical with 3 length and width dimensions of needle stand, and 2 width of localization tool and the first groove 12 are wide
Spend it is consistent, pcb board 4, needle stand 3 and localization tool 2 be respectively 4 groups.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical
Novel protection scope.
Claims (9)
1. a kind of chip of laser test device using novel probe, which is characterized in that including bottom plate (1), the bottom plate (1)
Upper surface is equipped with the boss (11) of horizontal full-length, and boss (11) side forms the first groove (12), first groove
(12) interior rule fixes several localization tools (2),
Rule is fixed with several needle stands (3) on the boss (11), and each needle stand (3) upper surface is fixed with a PCB
Plate (4), each needle stand (3) side are located on the upside of the localization tool (2), and each localization tool (2) is equipped with solid
Surely there are multiple chips, fixed multiple groups probe (5) in each needle stand (3) corresponding position, probe described in every group (5) and a core
Piece is corresponding,
The probe (5) includes the needle handle (51) of hollow cylinder structure, is formed with cavity (511), institute inside the needle handle (51)
State the backshank (52) of cavity (511) upper end connecting cylinder shape and the cylindrical syringe needle (53) that is slidably connected, the backshank (52) and
The syringe needle (53) can move up and down along the cavity (511) inner wall, be equipped with spring (54) in the cavity (511), described
Spring (54) upper end is bonded syringe needle (53) described in the backshank (52) and lower end in contact,
The needle stand (3) be equipped with several stepped holes (32), the stepped hole (32) include upper end upper rank hole (321) and under
The location hole (322) at end, needle handle (51) described in upper rank hole (321) jacket, the syringe needle (53) pass through the location hole
(322) enter outside, the backshank (52) is electrically connected the pcb board (4), the length and the syringe needle (53) of the needle handle (51)
The ratio of length is 2: 1, and the length of the syringe needle (53) and the ratio of the location hole (322) length are 2: 1.
2. a kind of chip of laser test device using novel probe according to claim 1, which is characterized in that described
The length of needle handle (51) is 3.4mm, and the length of the syringe needle (53) is 1.7mm, and the length of the location hole (322) is
0.85mm。
3. a kind of chip of laser test device using novel probe according to claim 1, which is characterized in that described
Cavity (511) lower end is formed with lower shoulder block (512) and upper end is formed shoulder block (513), and lower shoulder block (512) center is equipped with and passes through
The lower Positioning holes (514) worn, upper shoulder block (513) center are equipped with perforative upper location hole (515),
The syringe needle (53) includes spike body (530), and spike body (530) end is formed with the lower shaft shoulder (531), described
Backshank (52) includes backshank main body (520), and backshank main body (520) end is formed with the shaft shoulder (521),
The lower shaft shoulder (531) can be slided in the cavity (511) until the lower shoulder block (512), the spike body
(530) lower Positioning holes (514) are passed through,
The upper shaft shoulder (521) can be slided in the cavity (511) until the upper shoulder block (513), the backshank main body
(520) the upper location hole (515) is passed through.
4. a kind of chip of laser test device using novel probe according to claim 3, which is characterized in that described
The lower shaft shoulder (531) and the cavity (511), the lower Positioning holes (514) and the spike body (530) clearance fit, it is described
The upper shaft shoulder (521) and the cavity (511), the upper location hole (515) and the backshank main body (520) clearance fit.
5. a kind of chip of laser test device using novel probe according to claim 4, which is characterized in that described
Cavity (511) is cuboid, and the lower shaft shoulder (531) and the upper shaft shoulder (521) are cuboid.
6. a kind of chip of laser test device using novel probe according to claim 1, which is characterized in that described
Cavity (511) is identical with the outer diameter of the spring (54).
7. a kind of chip of laser test device using novel probe according to claim 1, which is characterized in that described
Boss (11) other side is respectively formed the second groove (13), and second groove (13) and first groove (12) are mutually flat
Row, the second groove (13) width are greater than first groove (12), are fixed with one piece of test on second groove (13)
Plate (6), the test board (6) and the boss (11) upper surface flush, needle stand (3) corresponding side is equipped with several detections
Probe (7).
8. a kind of chip of laser test device using novel probe according to claim 1, which is characterized in that described
First waist-shaped hole (31) in adjustment width direction is equipped in the middle part of needle stand (3), hexagon socket cap head screw passes through the first waist type
Hole (31) is fixed on the boss (11), and the pcb board (4) is equipped with the second waist-shaped hole (41), and second waist-shaped hole (41) is held
Receive hexagon socket cap head screw nut movement.
9. a kind of chip of laser test device using novel probe according to claim 1, which is characterized in that described
Pcb board (4) length and width dimensions are identical with the length and width dimensions of the needle stand (3), the width of the localization tool (2) and described first recessed
The width of slot (12) is consistent, and the pcb board (4), the needle stand (3) and the localization tool (2) are respectively 4 groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820936786.1U CN208224429U (en) | 2018-06-15 | 2018-06-15 | A kind of chip of laser test device using novel probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820936786.1U CN208224429U (en) | 2018-06-15 | 2018-06-15 | A kind of chip of laser test device using novel probe |
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| Publication Number | Publication Date |
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| CN208224429U true CN208224429U (en) | 2018-12-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551838A (en) * | 2020-04-21 | 2020-08-18 | 深圳瑞波光电子有限公司 | Testing device for semiconductor laser chip assembly |
| CN114325003A (en) * | 2020-10-10 | 2022-04-12 | 深圳市容微精密电子有限公司 | Novel probe internal connection structure |
| CN117805457A (en) * | 2024-02-29 | 2024-04-02 | 苏州迪克微电子有限公司 | Template-based probe-free disassembly type probe array structure |
-
2018
- 2018-06-15 CN CN201820936786.1U patent/CN208224429U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551838A (en) * | 2020-04-21 | 2020-08-18 | 深圳瑞波光电子有限公司 | Testing device for semiconductor laser chip assembly |
| CN111551838B (en) * | 2020-04-21 | 2022-04-05 | 深圳瑞波光电子有限公司 | Testing device for semiconductor laser chip assembly |
| CN114325003A (en) * | 2020-10-10 | 2022-04-12 | 深圳市容微精密电子有限公司 | Novel probe internal connection structure |
| CN117805457A (en) * | 2024-02-29 | 2024-04-02 | 苏州迪克微电子有限公司 | Template-based probe-free disassembly type probe array structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 5, No. 1508, Xiangjiang Road, Suzhou High-tech Zone, Suzhou City, Jiangsu Province 215129 Patentee after: Suzhou Lianxun Instrument Co.,Ltd. Address before: Rooms 604 and 605, Building 39, No. 369 Lushan Road, High-tech Zone, Suzhou City, Jiangsu Province, 215000 Patentee before: STELIGHT INSTRUMENT Inc. |
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| CP03 | Change of name, title or address |