CN220822184U - Suction nozzle capable of improving success rate of chip extraction - Google Patents
Suction nozzle capable of improving success rate of chip extraction Download PDFInfo
- Publication number
- CN220822184U CN220822184U CN202322509232.7U CN202322509232U CN220822184U CN 220822184 U CN220822184 U CN 220822184U CN 202322509232 U CN202322509232 U CN 202322509232U CN 220822184 U CN220822184 U CN 220822184U
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- suction nozzle
- convex ring
- plane
- joint
- ring
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- 238000000605 extraction Methods 0.000 title claims abstract description 7
- 238000001179 sorption measurement Methods 0.000 claims abstract description 37
- 230000002093 peripheral effect Effects 0.000 claims abstract description 24
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 39
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000005056 compaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
The utility model relates to the technical field of semiconductor laser packaging, in particular to a suction nozzle capable of improving the success rate of chip extraction, wherein the bottom end of a suction nozzle tube is provided with an adsorption plane; the adsorption plane is provided with a luminous strip protection groove; a central air hole communicated with the inner cavity of the suction nozzle pipe is arranged at the central position of the suction plane; a plurality of peripheral air holes communicated with the inner cavity of the suction nozzle tube are uniformly distributed on the adsorption plane; the peripheral air holes are not communicated with each other at the position of the adsorption plane; the adsorption plane and the central air hole are not communicated with each other at the position of the adsorption plane; the peripheral air holes are arranged in a matrix on the adsorption plane. When the utility model is used, the adsorption success rate is high, and the probability of sucking the chip corners can be reduced, so that the production progress is stable.
Description
Technical Field
The utility model relates to the technical field of semiconductor laser packaging, in particular to a suction nozzle capable of improving the success rate of chip extraction.
Background
When the performance test of a single semiconductor laser chip is carried out, the chip is required to be extracted from a blue film, the scheme adopted by the existing automatic equipment is that the single chip is extracted through a suction nozzle, a vertical air hole channel is arranged on the end face where the suction nozzle is contacted with the chip, the hole is a negative pressure and compressed air channel, the diameter of the hole is positively correlated with the area on the chip, and the larger the surface area of the chip extracted by the suction nozzle is, the larger the diameter of the needed air hole is, and the diameter is larger.
However, when the diameter is increased, the contact area between the chip and the end face of the suction nozzle is reduced, when the suction nozzle takes the chip, the chip center and the suction nozzle center are often not completely aligned, so that the chip is adsorbed and fixed by the suction nozzle and can deviate, one edge of the chip is close to the center of the suction nozzle, the contact area between the edge and the suction nozzle is also reduced, therefore, in the adsorption process, the edge corner of the chip is easily sucked into the suction hole of the suction nozzle directly, when the suction nozzle is placed in the next step, the chip is extruded and broken, the chip is scrapped, and the success rate of chip adsorption is low; meanwhile, after the corners of the chip are sucked into the suction holes, the corners of the chip need to be cleaned manually to carry out next production, and the production efficiency can be affected.
Disclosure of utility model
The utility model aims to provide a suction nozzle capable of improving the success rate of chip extraction aiming at the defects and shortcomings of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model relates to a suction nozzle capable of improving the success rate of chip extraction, which comprises a joint and a suction nozzle pipe connected and fixed on the joint; the bottom end of the suction nozzle tube is provided with an adsorption plane; the adsorption plane is provided with a luminous strip protection groove; a central air hole communicated with the inner cavity of the suction nozzle tube is arranged at the central position of the suction plane;
A plurality of peripheral air holes communicated with the inner cavity of the suction nozzle tube are uniformly distributed on the adsorption plane; the peripheral air holes are not communicated with each other at the position of the adsorption plane; the adsorption plane and the central air hole are not communicated with each other at the position of the adsorption plane; the peripheral air holes are arranged in a matrix on the adsorption plane.
Further, a convex ring is arranged on the outer side wall of the suction nozzle pipe; the end face of the connector is provided with a convex ring positioning groove matched with the convex ring; the convex ring is embedded into the convex ring positioning groove; the joint is provided with a suction nozzle pipe positioning hole on the bottom end surface of the convex ring positioning groove; the pipe body of the suction nozzle pipe is matched with the suction nozzle pipe positioning hole; a sealing ring positioning groove is formed in one end, far away from the adsorption plane, of the suction nozzle pipe; a sealing ring is embedded in the sealing ring positioning groove; the convex ring is embedded into the convex ring positioning groove; the pipe body of the suction nozzle pipe is inserted into the suction nozzle pipe positioning hole; the end face, far away from the convex ring positioning groove, of the suction nozzle pipe positioning hole is a compression platform; the sealing ring is tightly pressed on the compaction platform; a sealing ring is arranged on one end face, far away from the joint, of the convex ring; the sealing ring is detachably connected to the connector; the sealing ring is used for pressing and fixing the convex ring in the convex ring positioning groove.
Further, two buckling and locking components are connected between the sealing ring and the joint; the two buckling and locking components are respectively arranged at two sides of the joint; the buckling and locking assembly consists of a buckling and locking device fixed on the joint and a fixed hook matched with the buckling and locking device for use; the fixing hook is fixed on the seal ring.
Further, a convex ring positioning plane is arranged on the side surface of the convex ring; an inner cavity of the convex ring positioning groove is provided with a directional plane; the length direction of the luminous strip protection groove, the orientation plane and the convex ring positioning plane are mutually parallel; the orientation plane is attached to the convex ring positioning plane after the convex ring is embedded into the convex ring positioning groove.
Further, a seal ring orientation hole is formed in the convex ring; the sealing ring is provided with a sealing ring positioning pin matched with the sealing ring orientation hole; the inner hole of the sealing ring is matched with the pipe body of the suction nozzle pipe; the seal ring positioning pin is inserted into the seal ring orientation hole; the seal ring is sleeved outside the suction nozzle tube.
After the structure is adopted, the utility model has the beneficial effects that: when the suction nozzle capable of improving the success rate of extracting chips is used, the connector is connected to negative pressure equipment, so that the inner cavity, the central air hole and the peripheral air holes of the suction nozzle pipe generate negative pressure to adsorb and fix the chips; the central air holes and the peripheral air holes are uniformly distributed on the surface of the chip, so that the plurality of positions of the chip are adsorbed, the central air holes and the peripheral air holes are provided with supporting positions, the large-area holes are replaced by the plurality of uniformly distributed peripheral air holes, the corners of the chip are not sucked into the peripheral air holes in enough space, the adsorption success rate is high, the probability of sucking the corners of the chip can be reduced, and the production progress is stable.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a perspective view of a suction nozzle tube;
Fig. 3 is an enlarged view of a portion a in fig. 2;
FIG. 4 is a block diagram of a joint
Reference numerals illustrate:
1. A joint; 101. a convex ring positioning groove; 101a, orientation planes; 102. a suction nozzle pipe positioning hole;
102a, a compression platform; 2. a seal ring; 3. a snap lock; 4. a fixed hook; 5. a suction nozzle tube;
501. A convex ring; 501a, a convex ring positioning plane; 502. sealing ring orientation holes; 503. an adsorption plane;
504. Peripheral air holes; 505. a light-emitting strip protection groove; 506. a central air hole; 6. sealing rings;
601. And a seal ring positioning pin.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 4, a suction nozzle capable of improving a success rate of extracting chips according to the present utility model includes a joint 1 and a suction nozzle tube 5 connected and fixed to the joint 1; the bottom end of the suction nozzle tube 5 is provided with an adsorption plane 503; the adsorption plane 503 is provided with a luminous strip protection groove 505; a central air hole 506 communicated with the inner cavity of the suction nozzle pipe 5 is arranged at the central position of the suction plane 503; the light bar protection groove 505 is used for avoiding the light bar, which is not substantially different from the prior art, so it is not described in detail;
A plurality of peripheral air holes 504 communicated with the inner cavity of the suction nozzle pipe 5 are uniformly distributed on the adsorption plane 503; the peripheral air holes 504 are not communicated with each other at the position of the adsorption plane 503; the adsorption plane 503 and the central air hole 506 are not communicated with each other at the position of the adsorption plane 503; the peripheral air holes 504 are arranged in a matrix on the adsorption plane 503;
The joint 1 is connected to negative pressure equipment, so that the inner cavity of the suction nozzle pipe 5, the central air hole 506 and the peripheral air hole 504 generate negative pressure to adsorb and fix the chip; the central air holes 506 and the peripheral air holes 504 are uniformly distributed on the surface of the chip, so that a plurality of positions of the chip are adsorbed, the central air holes 506 and the peripheral air holes 504 are provided with supporting positions, the large-area holes are replaced by the plurality of uniformly distributed peripheral air holes 504, corners of the chip are not sucked into the peripheral air holes in enough space, the adsorption success rate is high, the probability of sucking the corners of the chip can be reduced, and the production progress is stable.
As a preferable mode of the utility model, a convex ring 501 is arranged on the outer side wall of the suction nozzle tube 5; the end face of the joint 1 is provided with a convex ring positioning groove 101 matched with the convex ring 501; the convex ring 501 is embedded into the convex ring positioning groove 101; the joint 1 is provided with a suction nozzle pipe positioning hole 102 on the bottom end surface of the convex ring positioning groove 101; the pipe body of the suction nozzle pipe 5 is matched with the suction nozzle pipe positioning hole 102; a sealing ring positioning groove is formed in one end, away from the adsorption plane 503, of the suction nozzle pipe 5; a sealing ring 2 is embedded in the sealing ring positioning groove; the convex ring 501 is embedded into the convex ring positioning groove 101; the pipe body of the suction nozzle pipe 5 is inserted into the suction nozzle pipe positioning hole 102; the end surface of the suction nozzle pipe positioning hole 102 far away from the convex ring positioning groove 101 is a compression platform 102a; the sealing ring 2 is tightly pressed on the compression platform 102a; a sealing ring 6 is arranged on one end face, far away from the joint 1, of the convex ring 501; the seal ring 6 is detachably connected to the joint 1; the sealing ring 6 compresses and fixes the convex ring 501 in the convex ring positioning groove 101;
The connection between the suction nozzle pipe 5 and the joint 1 is characterized in that the convex ring 501 is pressed and fixed in the convex ring positioning groove 101 through the sealing ring 6, the sealing ring 2 is used for sealing a gap between the joint 1 and the suction nozzle pipe 5, the sealing ring 6 is connected to the joint 1 by adopting a detachable connection structure, and the suction nozzle pipe 5 is convenient to disassemble and assemble.
As a preferable mode of the utility model, two buckling and locking assemblies are connected between the sealing ring 6 and the joint 1; the two buckling and locking components are respectively arranged at two sides of the joint 1; the buckling and locking assembly consists of a buckling and locking device 3 fixed on the joint 1 and a fixed hook 4 matched with the buckling and locking device 3 for use; the fixed hook 4 is fixed on the seal ring 6;
The latch 3 is not substantially different from the prior art, so that, not to be described in detail, after the latch 3 is latched and fixed on the fixing hook 4, the seal ring 6 can be fixed with the joint 1; when the snap 3 is released from the fixed hook 4, the seal ring 6 can be detached.
As a preferred mode of the present utility model, a convex ring positioning plane 501a is provided on a side surface of the convex ring 501; an inner cavity of the convex ring positioning groove 101 is provided with a directional plane 101a; the length direction of the light-emitting strip protection groove 505, the orientation plane 101a and the convex ring positioning plane 501a are parallel to each other; after the convex ring 501 is embedded into the convex ring positioning groove 101, the orientation plane 101a is attached to the convex ring positioning plane 501a;
When the convex ring 501 is assembled with the convex ring positioning groove 101, the orientation plane 101a is attached to the convex ring positioning plane 501a, so that the direction of the luminous strip protection groove 505 is ensured to be fixed and consistent after the joint 1 is assembled with the suction nozzle tube 5.
As a preferred mode of the present utility model, the convex ring 501 is provided with a sealing ring orientation hole 502; a seal ring positioning pin 601 matched with the seal ring orientation hole 502 is arranged on the seal ring 6; the inner hole of the seal ring 6 is matched with the pipe body of the suction nozzle pipe 5; the seal ring positioning pin 601 is inserted into the seal ring orientation hole 502; the sealing ring 6 is sleeved outside the suction nozzle pipe 5; before the suction nozzle tube 5 is installed, the suction nozzle tube 5 can be positioned on the seal ring 6 by sleeving the seal ring 6 outside the suction nozzle tube 5 and inserting the seal ring positioning pin 601 into the seal ring orientation hole 502; the sealing ring 6 is used as a carrier to support and mount the suction nozzle tube 5 on the joint 1; the risk of contamination of the peripheral air holes 504 and the central air holes 506 of the nozzle tube 5 is reduced.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
Claims (5)
1. A suction nozzle capable of improving the success rate of chip extraction comprises a joint (1) and a suction nozzle pipe (5) connected and fixed on the joint (1); the bottom end of the suction nozzle pipe (5) is provided with an adsorption plane (503); the adsorption plane (503) is provided with a luminous strip protection groove (505); a central air hole (506) communicated with the inner cavity of the suction nozzle tube (5) is arranged at the central position of the suction plane (503);
The method is characterized in that: a plurality of peripheral air holes (504) communicated with the inner cavity of the suction nozzle tube (5) are uniformly distributed on the adsorption plane (503); the peripheral air holes (504) are not communicated with each other at the position of the adsorption plane (503); the adsorption plane (503) and the central air hole (506) are not communicated with each other at the position of the adsorption plane (503); the peripheral air holes (504) are arranged in a matrix on the adsorption plane (503).
2. The suction nozzle capable of improving success rate of extracting chips according to claim 1, wherein: a convex ring (501) is arranged on the outer side wall of the suction nozzle pipe (5); the end face of the joint (1) is provided with a convex ring positioning groove (101) matched with the convex ring (501); the convex ring (501) is embedded into the convex ring positioning groove (101); the connector (1) is provided with a suction nozzle pipe positioning hole (102) on the bottom end surface of the convex ring positioning groove (101); the pipe body of the suction nozzle pipe (5) is matched with the suction nozzle pipe positioning hole (102); a sealing ring positioning groove is formed in one end, far away from the adsorption plane (503), of the suction nozzle pipe (5); a sealing ring (2) is embedded in the sealing ring positioning groove; the pipe body of the suction nozzle pipe (5) is inserted into the suction nozzle pipe positioning hole (102); the end face, far away from the convex ring positioning groove (101), of the suction nozzle pipe positioning hole (102) is a compression platform (102 a); the sealing ring (2) is tightly pressed on the compaction platform (102 a); a sealing ring (6) is arranged on one end face, far away from the joint (1), of the convex ring (501); the sealing ring (6) is detachably connected to the joint (1); the sealing ring (6) is used for tightly fixing the convex ring (501) in the convex ring positioning groove (101).
3. The suction nozzle capable of improving success rate of extracting chips according to claim 2, wherein: two buckling and locking components are connected between the sealing ring (6) and the joint (1); the two buckling and locking components are respectively arranged at two sides of the joint (1); the buckling and locking assembly consists of a buckling and locking device (3) fixed on the joint (1) and a fixed hook (4) matched with the buckling and locking device (3); the fixing hook (4) is fixed on the sealing ring (6).
4. The suction nozzle capable of improving success rate of extracting chips according to claim 2, wherein: a convex ring positioning plane (501 a) is arranged on the side surface of the convex ring (501); an inner cavity of the convex ring positioning groove (101) is provided with an orientation plane (101 a); the length direction of the luminous strip protection groove (505), the orientation plane (101 a) and the convex ring positioning plane (501 a) are mutually parallel; after the convex ring (501) is embedded into the convex ring positioning groove (101), the orientation plane (101 a) is attached to the convex ring positioning plane (501 a).
5. The suction nozzle capable of improving success rate of extracting chips according to claim 2, wherein: the convex ring (501) is provided with a seal ring orientation hole (502); a seal ring positioning pin (601) matched with the seal ring orientation hole (502) is arranged on the seal ring (6); an inner hole of the sealing ring (6) is matched with a pipe body of the suction nozzle pipe (5); the seal ring positioning pin (601) is inserted into the seal ring orientation hole (502); the sealing ring (6) is sleeved outside the suction nozzle tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322509232.7U CN220822184U (en) | 2023-09-15 | 2023-09-15 | Suction nozzle capable of improving success rate of chip extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322509232.7U CN220822184U (en) | 2023-09-15 | 2023-09-15 | Suction nozzle capable of improving success rate of chip extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220822184U true CN220822184U (en) | 2024-04-19 |
Family
ID=90701603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322509232.7U Active CN220822184U (en) | 2023-09-15 | 2023-09-15 | Suction nozzle capable of improving success rate of chip extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220822184U (en) |
-
2023
- 2023-09-15 CN CN202322509232.7U patent/CN220822184U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |