CN113820592A - Carrier for BAR strip test - Google Patents
Carrier for BAR strip test Download PDFInfo
- Publication number
- CN113820592A CN113820592A CN202111382899.4A CN202111382899A CN113820592A CN 113820592 A CN113820592 A CN 113820592A CN 202111382899 A CN202111382899 A CN 202111382899A CN 113820592 A CN113820592 A CN 113820592A
- Authority
- CN
- China
- Prior art keywords
- bar
- bar strip
- carrier
- strip
- carrier base
- 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.)
- Pending
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Classifications
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2893—Handling, conveying or loading, e.g. belts, boats, vacuum fingers
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2886—Features relating to contacting the IC under test, e.g. probe heads; chucks
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention provides a carrier for a BAR strip test, which comprises: the BAR carrier comprises a BAR carrier base, a BAR pressing block fixing block and a BAR locking piece, wherein a groove is formed in the middle of the BAR carrier base; the number of the BAR strip pressing block fixing blocks is two, and a cross beam is fixedly connected between the two BAR strip pressing block fixing blocks; a probe with the lower end capable of elastically stretching is fixed on the cross beam, and an engineering plastic pressing block is fixed at the lower end of the probe; the number of the BAR strip locking pieces is two, one BAR strip pressing block fixing block is arranged between each BAR strip pressing block fixing block and the BAR strip carrier base, and the BAR strip pressing block fixing blocks are used for pressing the BAR strip downwards, so that the BAR strip is pressed on the BAR strip carrier base through the engineering plastic pressing blocks. The invention can realize accurate positioning and stable clamping of the BAR strip, and the BAR strip can not slide and collide in the transferring process, and can realize control of clamping force, thereby facilitating loading and unloading.
Description
Technical Field
The invention relates to the technical field of optical communication, in particular to a carrier for a BAR strip test.
Background
In the chip production of optical communication, the wafer is not directly cut into single chips, but is cut into N (N is more than or equal to 2) strips, which is called BAR (multiple laser generator combination). The BAR needs to test the parameters of the chip in the BAR, and the testing process needs to be performed on the testing equipment after the BAR is positioned.
At present, the conventional BAR positioning method is to place the BAR on a tray by a carrier or a clamp, then place the BAR on a platform with a vacuum suction device by a pair of tweezers or a vacuum pen, and then manually move the BAR to a reference position by the tweezers or the like (ensure that the light emitting direction is vertical to the detection device)
Conventional carriers are horizontal trays or trays with retaining grooves:
horizontal tray: for the carrier, the BAR is convenient to take and place from the tray, but the BAR is easy to slide and generate collision in the conveying process (the BAR is fragile and can cause damage), the carrier has no clamping function on the BAR, so the BAR can slide in the conveying process, has no positioning function, cannot ensure the direction and the angle after loading, needs to manually take the BAR strip out of the carrier by using tweezers, needs to identify the direction and the angle and the like, and is difficult to place. Because the BAR is not positioned, the angle after loading cannot be confirmed, and it is difficult to place the BAR in the correct position on the equipment or test stand (BARs are generally rectangular, require direction identification, and also require movement perpendicular to the test stand).
Take the tray of spacing groove: for the carrier, the BAR is also taken and placed better, and meanwhile, collision and large-scale sliding are avoided. But the problem of inaccurate positioning also exists during feeding, and the defect that the material is difficult to be placed at an accurate position exists.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides a carrier for testing a BAR strip, which can realize accurate positioning and stable clamping of the BAR strip, prevent the BAR strip from sliding and colliding in the transferring process, realize control of clamping force and facilitate loading and unloading.
The technical scheme of the invention is as follows: carrier for BAR strip testing, comprising:
the BAR carrier comprises a BAR carrier base, a pair of clamping pieces and a pair of clamping pieces, wherein one end of the BAR carrier base is provided with a guide pin groove, the other end of the BAR carrier base is provided with a guide pin hole, and the middle part of the BAR carrier base is provided with a groove for facilitating a pair of tweezers to clamp a BAR placed on the BAR carrier base;
the number of the BAR strip pressing block fixing blocks is two, and a cross beam is fixedly connected between the two BAR strip pressing block fixing blocks; a probe with the lower end capable of elastically stretching is fixed on the cross beam, an engineering plastic pressing block is fixed at the lower end of the probe, and the engineering plastic pressing block is used for pressing the BAR strip on the BAR strip carrier base;
the BAR strip locking pieces are two in number, one is arranged between each BAR strip pressing block fixing block and the BAR strip carrier base, and the BAR strip pressing block fixing blocks are used for pressing the BAR strip pressing block fixing blocks downwards, so that the BAR strip is pressed on the BAR strip carrier base through the engineering plastic pressing blocks.
Above-mentioned BAR strip locking piece includes BAR strip locking knob, and BAR strip locking knob locates body of rod upper end, and body of rod lower extreme is equipped with the external screw thread, the body of rod passes the through-hole of seting up on BAR strip briquetting fixed block, and the screw hole threaded connection who sets up on the BAR strip carrier base works as when BAR strip locking knob locking is rotatory, BAR strip briquetting fixed block compresses tightly downwards to make the engineering plastics briquetting press the BAR strip on BAR strip carrier base.
And when the two BAR strip locking knobs are loosened and rotated, each compression spring can bounce the corresponding BAR strip pressing block fixing block and simultaneously lift the probe and the engineering plastic pressing block thereof together.
Both ends still are equipped with spacing boss respectively about above-mentioned BAR strip carrier base, spacing boss is used for spacing the BAR strip on the BAR strip carrier base, avoids BAR strip landing from BAR strip carrier base.
The number of the limiting bosses is 3, wherein the left end and the right end of one side of the BAR strip carrier base are respectively provided with one limiting boss, and the end head of the right end of the BAR strip carrier base is provided with one limiting boss.
The quantity of above-mentioned probe is 2, is equipped with the external screw thread on each probe, all set up a fore-and-aft screw hole on both ends about the crossbeam, equal threaded connection probe in each screw hole.
The lower end of the probe comprises an outer sleeve, an inner sleeve is sleeved in the outer sleeve, the lower end of the inner sleeve is used for fixing the engineering plastic pressing block, and springs are arranged in the outer sleeve and the inner sleeve.
The engineering plastic pressing block adopts anti-static engineering plastic, and the anti-static engineering plastic is a PC material, an ABS material, a TORLON material or a PEEK material, but is not limited to the engineering plastic materials.
The invention has the beneficial effects that: the invention provides a carrier for a BAR strip test, which has the following technical advantages:
1. the pressing and clamping of the invention realizes the functions of independent clamping and independent transfer of BAR strips, thereby avoiding the transfer loss; the pressing part of the invention realizes controllable pressure by the probe, can adjust the pressure according to the specific BAR strip condition, and can avoid crushing the BAR strip.
2. The invention has independent positioning, can limit the position of BAR on the carrier;
3. the device is reserved with the switching positioning with a test board or equipment, and can be directly fed without alignment; the positioning pin holes realize the uniform positioning of feeding and discharging.
4. The non-destructive clamping of the BAR compression can be realized through the force control mode with the force of 10-30g, and particularly, the force range which can be adjusted according to the different selected probes is not used.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an overall schematic view of the left-end cross-sectional structure of the belt of the present invention.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, the embodiment of the invention discloses a carrier for BAR strip testing, which can realize accurate positioning and stable clamping of a BAR strip, prevent the BAR strip from sliding and colliding in a transportation process, realize control of clamping force and facilitate loading and unloading.
Specifically, the carrier for BAR strip test of the present invention comprises: the BAR carrier comprises a BAR carrier base 2, a BAR pressing block fixing block 4, a BAR locking piece 5 and the like, wherein one end of the BAR carrier base 2 is provided with a guide pin groove 7, the other end of the BAR carrier base 2 is provided with a guide pin hole 6, and the middle of the BAR carrier base 2 is provided with a groove 11 for facilitating a nipper to clamp a BAR placed on the BAR carrier base; the number of the BAR strip pressing block fixing blocks 4 is two, and a cross beam 10 is fixedly connected between the two BAR strip pressing block fixing blocks 4; a probe 3 with the lower end capable of elastically stretching is fixed on the cross beam 10, an engineering plastic pressing block 9 is fixed at the lower end of the probe 3, and the engineering plastic pressing block 9 is used for pressing the BAR strip on the BAR strip carrier base 2; the number of the BAR strip locking pieces 5 is two, one BAR locking piece is arranged between each BAR strip pressing block fixing block 4 and the BAR strip carrier base 2, and the BAR strip pressing block fixing blocks 4 are used for pressing downwards, so that the BAR strip 1 is pressed on the BAR strip carrier base 2 through the engineering plastic pressing blocks 9. During design, when the BAR strip pressing block fixing block 4 is locked to the bottom, the height difference between the BAR strip pressing block and the fixed block ensures that the BAR strip is not crushed in the internal elastic range of the probe 3 in the telescopic stroke of the probe 3.
Further, BAR strip locking piece 5 includes BAR strip locking knob, and BAR strip locking knob locates body of rod 5-1 upper end, and body of rod 5-1 lower extreme is equipped with the external screw thread, the through-hole of seting up on BAR strip briquetting fixed block 4 is passed to body of rod 5-1, with the screw hole 2-1 threaded connection who sets up on BAR strip carrier base 2, when BAR strip locking knob locking is rotatory, BAR strip briquetting fixed block 4 compresses tightly downwards to make engineering plastics briquetting 9 press BAR strip 1 on BAR strip carrier base 2.
Further, compression springs 12 are respectively arranged between the BAR strip carrier base 2 and each BAR strip pressing block fixing block 4, a rod body 5-1 penetrating through the BAR strip pressing block fixing block 4 simultaneously penetrates through the corresponding compression springs 12, and when the two BAR strip locking knobs are loosened and rotated, each compression spring 12 can bounce the corresponding BAR strip pressing block fixing block 4 and simultaneously lift the probe 3 and the engineering plastic pressing block 9 thereof together.
Further, both ends still are equipped with spacing boss 8 respectively about BAR carrier base 2, spacing boss 8 is used for spacing BAR 1 on BAR carrier base 2, avoids BAR to follow the landing of BAR carrier base 2.
Furthermore, the number of the limiting bosses 8 is 3, wherein the left end and the right end of one side of the BAR strip carrier base 2 are respectively provided with one, and the end head of the right end of the BAR strip carrier base 2 is provided with one. The 3 limiting bosses ensure that the positions of the BAR 1 for multiple clamping are uniform, and the positions of the limiting bosses and the positions of the pin holes are relatively fixed. The limiting boss has the function of limiting the position of the BAR strip, and is matched with the BAR strip pressing block fixing block 4 to press the BAR.
Further, the quantity of probe 3 is 2, is equipped with the external screw thread on each probe 3, all set up a fore-and-aft screw hole on the both ends about crossbeam 10, equal threaded connection probe 3 in each screw hole. This embodiment realizes controllable pressure to the part that compresses tightly of BAR strip by the probe, can be according to concrete BAR strip condition adjusting pressure size, can avoid crushing the BAR strip simultaneously, specifically speaking, thereby can make with screw hole threaded connection's probe height-adjusting from top to bottom through rotating the probe to better realization is adjusted probe lower extreme engineering plastics briquetting 9 and is acted on BAR strip pressure, thereby accomplishes according to the concrete condition adjusting pressure size of BAR strip.
Further, the lower end of the probe 3 comprises an outer sleeve, an inner sleeve is sleeved in the outer sleeve, the lower end of the inner sleeve is used for fixing the engineering plastic pressing block 9, and springs are arranged in the outer sleeve and the inner sleeve.
Further, the engineering plastic pressing block 9 is made of antistatic engineering plastic, and the antistatic engineering plastic is made of PC material, ABS material, TORLON material or PEEK material, including but not limited to these engineering plastic materials.
When the carrier for the BAR strip test works, firstly, a BAR strip locking knob on the carrier is unscrewed to a proper position to enable a BAR strip pressing block fixing block 4 to be lifted, then a forceps with a clamping end made of engineering plastics is used for placing the BAR strip on a BAR strip carrier base 2, the BAR strip is attached to three limiting bosses by using force of the forceps from the side surface, the BAR strip locking knob is locked again at the moment, and when the BAR strip pressing block fixing block is locked to the bottom due to design, the height difference between the BAR strip pressing block fixing block and an engineering plastic pressing block 9 is ensured in the telescopic stroke of the probe, so that the BAR strip can be ensured to be within the internal spring force range of the probe and can not be crushed. The carrier is connected with the equipment through the pins and the vacuum holes of the equipment, wherein the pins are positioned, and the vacuum holes hold the carrier through vacuum suction to keep the carrier fixed.
In summary, the carrier for BAR test provided by the present invention has the following technical advantages:
1. the pressing and clamping of the invention realizes the functions of independent clamping and independent transfer of BAR strips, thereby avoiding the transfer loss; the pressing part of the invention realizes controllable pressure by the probe, can adjust the pressure according to the specific BAR strip condition, and can avoid crushing the BAR strip.
2. The invention has independent positioning, can limit the position of BAR on the carrier;
3. the device is reserved with the switching positioning with a test board or equipment, and can be directly fed without alignment; the positioning pin holes realize the uniform positioning of feeding and discharging.
4. The non-destructive clamping of the BAR compression can be realized through the force control mode with the force of 10-30g, and particularly, the force range which can be adjusted according to the different selected probes is not used.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (8)
- A carrier for BAR strip testing, comprising:the BAR carrier comprises a BAR carrier base (2), wherein one end of the BAR carrier base is provided with a guide pin groove (7), the other end of the BAR carrier base is provided with a guide pin hole (6), and the middle part of the BAR carrier base (2) is provided with a groove (11) for facilitating a nipper to clamp a BAR placed on the BAR carrier base;the number of the BAR strip pressing block fixing blocks (4) is two, and a cross beam (10) is fixedly connected between the two BAR strip pressing block fixing blocks (4); a probe (3) with the lower end capable of elastically stretching and retracting is fixed on the cross beam (10), an engineering plastic pressing block (9) is fixed at the lower end of the probe (3), and the engineering plastic pressing block (9) is used for pressing the BAR strip on the BAR strip carrier base (2);the BAR strip locking pieces (5) are two in number, one is arranged between each BAR strip pressing block fixing block (4) and the BAR strip carrier base (2) and used for enabling the BAR strip pressing block fixing block (4) to be pressed downwards, and therefore the BAR strip (1) is pressed on the BAR strip carrier base (2) through the engineering plastic pressing block (9).
- 2. The carrier for BAR strip test as claimed in claim 1, wherein said BAR strip locking member (5) comprises a BAR strip locking knob disposed at an upper end of a rod body (5-1), a lower end of the rod body (5-1) is provided with an external thread, said rod body (5-1) passes through a through hole formed on the BAR strip press block fixing block (4) and is in threaded connection with a threaded hole (2-1) formed on the BAR strip carrier base (2), when said BAR strip locking knob is locked and rotated, said BAR strip press block fixing block (4) is pressed downward, so that the BAR strip (1) is pressed on the BAR strip carrier base (2) by the engineering plastic press block (9).
- 3. The BAR test carrier as claimed in claim 2, wherein compression springs (12) are respectively disposed between the BAR carrier base (2) and each BAR press block fixing block (4), the rod body (5-1) passing through the BAR press block fixing block (4) simultaneously passes through the corresponding compression spring (12), and when the two BAR locking knobs are loosened and rotated, each compression spring (12) can bounce the corresponding BAR press block fixing block (4) and simultaneously lift the probe (3) and the engineering plastic press block (9) thereof together.
- 4. The carrier for BAR test of claim 1, wherein the left and right ends of the BAR carrier base (2) are further provided with limit bosses (8), respectively, the limit bosses (8) are used for limiting the BAR (1) on the BAR carrier base (2) and preventing the BAR from sliding off the BAR carrier base (2).
- 5. The carrier for BAR test of claim 4, wherein the number of the limit bosses (8) is 3, wherein one boss is provided at each of the left and right ends of one side of the BAR carrier base (2), and one boss is provided at the end of the right end of the BAR carrier base (2).
- 6. The carrier for BAR testing as defined in claim 1 wherein the number of said probes (3) is 2, each probe (3) is provided with external threads, the left and right ends of said beam (10) are provided with a longitudinal threaded hole, each threaded hole is threadedly connected with a probe (3).
- 7. The BAR test carrier as claimed in claim 6, wherein the lower end of the probe (3) comprises an outer sleeve, an inner sleeve is sleeved in the outer sleeve, the lower end of the inner sleeve fixes the engineering plastic pressing block (9), and springs are arranged in the outer sleeve and the inner sleeve.
- 8. The carrier for BAR testing as claimed in claim 1, wherein the engineering plastic press block (9) is made of antistatic engineering plastic, and the antistatic engineering plastic is PC material, ABS material, TORLON material or PEEK material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382899.4A CN113820592A (en) | 2021-11-22 | 2021-11-22 | Carrier for BAR strip test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382899.4A CN113820592A (en) | 2021-11-22 | 2021-11-22 | Carrier for BAR strip test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113820592A true CN113820592A (en) | 2021-12-21 |
Family
ID=78917981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111382899.4A Pending CN113820592A (en) | 2021-11-22 | 2021-11-22 | Carrier for BAR strip test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113820592A (en) |
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| CN102581492A (en) * | 2012-01-31 | 2012-07-18 | 武汉吉事达激光技术有限公司 | Laser etcher capable of automatically feeding roll materials |
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| CN214669178U (en) * | 2021-02-03 | 2021-11-09 | 东莞市诺尔检测科技有限公司 | Electron original paper test fixture |
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