CN217505604U - Test fixture for detecting PCB bonding strength - Google Patents
Test fixture for detecting PCB bonding strength Download PDFInfo
- Publication number
- CN217505604U CN217505604U CN202220977652.0U CN202220977652U CN217505604U CN 217505604 U CN217505604 U CN 217505604U CN 202220977652 U CN202220977652 U CN 202220977652U CN 217505604 U CN217505604 U CN 217505604U
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- clamping
- sliding
- clamped
- block
- sliding seat
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- 238000009434 installation Methods 0.000 claims abstract description 45
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a test fixture for detecting PCB bonding strength, which relates to the technical field of strength test and solves the problems that the integrated circuit board is stressed in one way, the integrated circuit board is not firmly clamped, the clamping bolt is relatively troublesome when being rotated and the connection between the chest expander and the copper wire is not firm, and comprises an installation main body; the bottom of the mounting main body is provided with a supporting leg; the chest expander is clamped at the upper position of the outer side of the mounting main body; the sliding seat is clamped at the outer side of the mounting main body; the clamping mechanism is clamped on the outer side of the sliding seat. The integrated circuit board is clamped through the clamping plate, the sliding block drives the clamping plate to adjust the position, meanwhile, the integrated circuit board is convenient to install and remove through sliding of the clamping plate, the two ends of the clamping plate are clamped through matching of the two groups of locking blocks, the two groups of locking blocks are driven to move simultaneously through the second bidirectional threaded rod, and rapid clamping of the clamping plate is achieved.
Description
Technical Field
The utility model belongs to the technical field of the strength test, more specifically say, in particular to test fixture for detecting PCB adhesive strength.
Background
The strength test is to detect the tension through the chest expander, wherein the strength test comprises the test of the bonding strength, in the integrated circuit, the electronic components and the layers are interconnected through the PCB, and the PCB bonding strength needs to clamp the integrated circuit board and the test piece through a clamp when in test.
When pressing from both sides tight to integrated circuit board, there is the phenomenon of the one-way atress of integrated circuit board, consequently, integrated circuit board presss from both sides tight insecure phenomenon can appear, when pressing from both sides tight to the anchor clamps both ends, need rotate the bolt at anchor clamps both ends respectively, consequently relatively troublesome when rotating clamping bolt, lack when copper wire and integrated circuit board bonding to adjust well with pressing from both sides tight structure, one is that the copper wire is relatively troublesome when the bonding, there is the phenomenon of copper wire bonding back slope during another, influence PCB adhesion strength's test, mostly all be connected through winding mode when chest expander is connected with the copper wire, relatively troublesome when the copper wire is connected, and there is the insecure problem of being connected between chest expander and the copper wire.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a test fixture for detecting PCB adhesion strength to solve the one-way atress of integrated circuit board, integrated circuit board presss from both sides tightly insecurely, and is more troublesome when rotating clamping bolt, lacks when copper wire and integrated circuit board bonding to adjust well and press from both sides tight structure, is connected insecure problem between chest expander and the copper wire.
The utility model is used for detect PCB adhesion strength's test fixture's purpose and efficiency, by following concrete technological means reach:
the test fixture for detecting the PCB bonding strength comprises a mounting main body;
the bottom of the mounting main body is provided with a supporting leg; the chest developer is clamped at the upper position of the outer side of the mounting main body;
the sliding seat is clamped on the outer side of the mounting main body; the clamping mechanism is clamped on the outer side of the sliding seat;
the sliding blocks are symmetrically clamped at the bottom of the outer side of the mounting main body;
the clamping plate is clamped above the sliding block, and a pulling handle is arranged above the clamping plate;
the locking block is clamped on the outer side of the clamping plate; a locking mechanism mounted between the clamping plate and the locking block;
the integrated circuit board is arranged between the mounting main body and the clamping plate, and a copper wire is bonded above the integrated circuit board.
Further, the installation main body comprises:
the installation floor is provided with two symmetrical sliding grooves, the sliding grooves are of a T-shaped structure, and the sliding blocks are clamped in the sliding grooves of the installation floor;
the installation erects the version, and the vertical sliding tray is seted up to the installation erects the version, and the sliding tray is T shape structure, and the sliding seat joint erects the sliding tray of version in the installation.
Further, the sliding seat comprises:
the supporting shoe, the top of sliding seat has two symmetrical supporting shoes, and the supporting shoe is L shape structure, and a clamping bolt is installed to the supporting shoe.
Furthermore, the end of the sliding seat is of a T-shaped structure, a pull ring is arranged above the sliding seat, a hook is arranged at the bottom of the chest expander, and the sliding seat is provided with two U-shaped sliding grooves.
Further, the clamping mechanism comprises:
the clamping blocks are clamped in the sliding grooves of the sliding seat, the clamping blocks are provided with grooves in a wavy structure, the clamping blocks are provided with threaded holes, and the spiral directions of the threaded holes of the two clamping blocks are opposite;
the end part of the first bidirectional threaded rod is provided with a screwing seat, the sliding seat is provided with a mounting hole with a stepped structure, the first bidirectional threaded rod is inserted into the mounting hole of the sliding seat in a penetrating manner, and the first bidirectional threaded rod is in threaded connection with the clamping block.
Further, the slider includes:
the external screw thread has been seted up to the locating lever, the bottom of locating lever, and the locating lever is total two, and two mounting holes have been seted up to the clamp plate, and the locating lever alternates in the mounting hole of locating lever, and a supporting spring has been cup jointed in the outside of locating lever.
Further, the clamping plate comprises:
the installation piece, the installation piece is in the outside of pinch-off blades, and the draw-in groove of two triangle-shaped structures is seted up to the installation piece, and there are two fixture blocks in the inboard of locking piece, and the fixture block is the triangle-shaped structure, and the fixture block joint of locking piece is in the draw-in groove of installation piece.
Further, the locking mechanism comprises:
the locking block is provided with a through hole with a stepped structure, two positioning bulges are arranged on the outer side of the second bidirectional threaded rod, and the positioning bulges are clamped in the stepped hole of the locking block;
the threaded connecting plate is provided with a threaded hole, and the second bidirectional threaded rod is inserted into the threaded hole of the threaded connecting plate;
the latch segment, the latch segment is in the outside of threaded connection board, and the latch segment is the cylinder structure, and the latch segment is relative well with the locating lever, and the interlude hole has all been seted up to sliding block and clamp plate, and the latch segment joint is inboard at the interlude hole of sliding block and clamp plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
at first, press from both sides tightly to integrated circuit board through the pinch-off blades, drive pinch-off blades position control through the sliding block, the inconvenient problem of integrated circuit board pinch-off blades position control has been solved, the slip through the pinch-off blades makes things convenient for integrated circuit board's installation and demolishs simultaneously, cooperate through two sets of latch segments and press from both sides tightly to the both ends of pinch-off blades, the problem that the pinch-off blades presss from both sides tightly insecurely has been solved, drive two sets of latch segments and remove simultaneously through the two-way threaded rod of second, the quick clamp of pinch-off blades has been realized.
Secondly, press from both sides tight piece and press from both sides the bonding copper wire tightly, the problem of copper wire lack the location when the bonding has been solved, thereby it is more convenient when the bonding to make the copper wire, cooperate through pressing from both sides tight piece and sliding seat and make things convenient for the copper wire to be connected with the chest expander, the inconvenient problem of chest expander and copper wire connection has been solved, the insecure problem of being connected between chest expander and the copper wire has also been solved simultaneously, drive through the sliding seat and press from both sides tight piece and carry out position control, one is the tight position of clamp of conveniently adjusting the copper wire, convenient demolishment of integrated circuit board and copper wire during another.
Drawings
Fig. 1 is a schematic side view of the main body of the present invention.
Fig. 2 is a schematic view of the bottom view axial side structure of fig. 1 according to the present invention.
Fig. 3 is a schematic view of the installation vertical plate, the sliding seat and the clamping block of the present invention cutting the structure of the shaft side.
Fig. 4 is a schematic diagram of the chest expander, the sliding seat and the clamping mechanism of the present invention with the rear axle removed.
Fig. 5 is a schematic view of the structure of the cutting shaft side of the locking block and the threaded connection plate of the present invention.
Fig. 6 is a schematic diagram of the split axial structure of the present invention.
Fig. 7 is an enlarged schematic view of fig. 5 a according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. mounting the main body; 101. installing a floor; 102. installing a vertical plate; 2. a chest expander; 3. a sliding seat; 301. a support block; 4. a clamping mechanism; 401. a clamping block; 402. a first bidirectional threaded rod; 5. a slider; 501. positioning a rod; 6. a clamping plate; 601. mounting blocks; 7. a locking block; 8. a locking mechanism; 801. a second bidirectional threaded rod; 802. a threaded connection plate; 803. a locking block; 9. an integrated circuit board.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 7:
the utility model provides a test fixture for detecting PCB bonding strength, which comprises an installation main body 1;
the bottom of the installation main body 1 is provided with support legs, the installation main body 1 is composed of an installation floor 101 and an installation vertical plate 102, the installation floor 101 is provided with two symmetrical sliding grooves, the sliding grooves are of a T-shaped structure, the sliding block 5 is clamped in the sliding grooves of the installation floor 101, the installation floor 101 positions the sliding block 5 through the sliding grooves, the sliding block 5 is subjected to position adjustment along the sliding grooves of the installation floor 101, the installation vertical plate 102 is provided with a vertical sliding groove, the sliding grooves are of a T-shaped structure, the sliding seat 3 is clamped in the sliding grooves of the installation vertical plate 102, and the sliding seat 3 is vertically slid in the sliding grooves of the installation vertical plate 102 to adjust the position;
the chest developer 2 is clamped at the upper position of the outer side of the mounting main body 1, a hook is mounted at the bottom of the chest developer 2, and the chest developer 2 pulls the sliding seat 3 upwards through the matching of a pull ring and the hook;
the sliding seat 3 is clamped on the outer side of the installation main body 1, the sliding seat 3 comprises supporting blocks 301, two symmetrical supporting blocks 301 are arranged above the sliding seat 3, the supporting blocks 301 are of an L-shaped structure, the supporting blocks 301 support the tension device 2, a clamping bolt is arranged on the supporting blocks 301, the tension device 2 is clamped between the two supporting blocks 301 through the clamping bolt, a copper wire of the integrated circuit board 9 is pulled through the tension device 2, the end part of the sliding seat 3 is of a T-shaped structure, the sliding seat 3 is positioned through the T-shaped structure, a pull ring is arranged above the sliding seat 3, two sliding grooves of a U-shaped structure are formed in the sliding seat 3, and the sliding grooves facilitate the sliding of the clamping blocks 401;
the clamping mechanism 4 is clamped on the outer side of the sliding seat 3, the clamping mechanism 4 comprises two clamping blocks 401 and a first bidirectional threaded rod 402, the two clamping blocks 401 are clamped in sliding grooves of the sliding seat 3, the two clamping blocks 401 are matched to clamp the copper wire, so that the clamping blocks 401 are driven to move when the sliding seat 3 moves, the copper wire is pulled upwards by the clamping blocks 401, the clamping blocks 401 are provided with grooves in a wavy structure, the clamping blocks 401 are better clamped by the grooves in the wavy structure, the clamping blocks 401 are provided with threaded holes, the screw directions of the threaded holes of the two clamping blocks 401 are opposite, the end part of the first bidirectional threaded rod 402 is provided with a screwing seat, the first bidirectional threaded rod 402 is rotated by the screwing seat, the sliding seat 3 is provided with a mounting hole in a stepped structure, the first bidirectional threaded rod 402 is inserted into the mounting hole of the sliding seat 3, the first bidirectional threaded rod 402 is in threaded connection with the clamping blocks 401, and when the first bidirectional threaded rod 402 is rotated, the two clamping blocks 401 are driven to move reversely, so that the clamping blocks 401 effectively clamp copper wires with different thicknesses;
sliding block 5, sliding block 5 has two, sliding block 5 symmetry joint is in the outside bottom position of installation main part 1, sliding block 5 includes locating lever 501, the external screw thread has been seted up to the bottom of locating lever 501, locating lever 501 has two, locating lever 501 is to sliding block 5 circumference location, clamping plate 6 has seted up two mounting holes, locating lever 501 alternates in the mounting hole of locating lever 501, locating lever 501 is still to clamping plate 6 circumference location this moment, locating lever 501 and clamping plate 6 cooperate and connect two sliding blocks 5, thereby make clamping plate 6 drive sliding block 5 to slide when sliding, make clamping plate 6 adjusting position press from both sides tightly integrated circuit board 9, a supporting spring has been cup jointed in the outside of locating lever 501, supporting spring is clamping plate 6 elastic support downwards, thereby make clamping plate 6 better press from both sides tightly integrated circuit board 9;
the clamping plate 6 is clamped above the sliding block 5, a pulling handle is arranged above the clamping plate 6, the clamping plate 6 comprises an installation block 601, the installation block 601 is arranged on the outer side of the clamping plate 6, the installation block 601 is provided with two clamping grooves in a triangular structure, two clamping blocks are arranged on the inner side of the locking block 7, the clamping blocks are in triangular structures, the clamping blocks of the locking block 7 are clamped in the clamping grooves of the installation block 601, and at the moment, the clamping grooves of the installation block 601 lock the locking block 7, so that the locking block 7 can effectively lock the position of the second bidirectional threaded rod 801;
the locking block 7 is clamped at the outer side of the clamping plate 6; the locking mechanism 8 is arranged between the clamping plate 6 and the locking block 7, the locking mechanism 8 is composed of a second bidirectional threaded rod 801, a threaded connecting plate 802 and a locking block 803, the locking block 7 is provided with a through hole with a ladder structure, two positioning protrusions are arranged on the outer side of the second bidirectional threaded rod 801 and are clamped in the ladder hole of the locking block 7, the locking block 7 positions the second bidirectional threaded rod 801 at the moment, the second bidirectional threaded rod 801 is convenient to mount and dismount through the locking block 7, the threaded connecting plate 802 is provided with a threaded hole, the second bidirectional threaded rod 801 is inserted in the threaded hole of the threaded connecting plate 802, the threaded connecting plate 802 is driven to move when the second bidirectional threaded rod 801 rotates, the locking block 803 is arranged on the outer side of the threaded connecting plate 802, the locking block 803 is of a cylindrical structure, the locking block 803 is opposite to the positioning rod 501, both the sliding block 5 and the clamping plate 6 are provided with insertion holes, the locking block 803 is clamped at the inner sides of the through holes of the sliding block 5 and the clamping plate 6, the locking block 803 slides in the through holes of the sliding block 5 and the clamping plate 6, the locking block 803 is driven to move when the threaded connecting plate 802 moves, the sliding block 5 and the clamping plate 6 are simultaneously clamped through the locking block 803, one is that the clamping plate 6 firmly presses the integrated circuit board 9, and the other is that the locking block 803 locks the position of the sliding block 5;
and the integrated circuit board 9, wherein the integrated circuit board 9 is arranged between the mounting body 1 and the clamping plate 6, and a copper wire is bonded above the integrated circuit board 9.
The specific use mode and function of the embodiment are as follows:
when the device is used, firstly, the integrated circuit board 9 bonded with copper wires is placed above the installation floor 101, then the clamping plate 6 is pulled upwards to push the clamping plate 6 to drive the sliding block 5 to move, when the clamping plate 6 moves above the integrated circuit board 9, the clamping plate 6 stops being pulled, at the moment, the clamping plate 6 moves downwards under the support of a spring, the clamping plate 6 clamps the integrated circuit board 9, then the second bidirectional threaded rod 801 is rotated, the second bidirectional threaded rod 801 drives the threaded connecting plate 802 and the locking block 803 to move when rotating, the sliding block 5 and the clamping plate 6 are simultaneously clamped through the locking block 803, one is that the clamping plate 6 firmly presses the integrated circuit board 9, the other is that the locking block 803 locks the position of the sliding block 5, the sliding seat 3 slides downwards, then the first bidirectional threaded rod 402 is rotated to drive the two clamping blocks 401 to move inwards, at the moment, the clamping block 401 locks the copper wire of the integrated circuit board 9, then the hook of the chest expander 2 is connected with the pull ring of the sliding seat 3, the copper wire is pulled through the chest expander 2, and the bonding strength of the integrated circuit board 9 and the copper wire is tested through the chest expander 2.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. A test fixture for detecting PCB adhesive strength, its characterized in that: comprises a mounting body (1);
the bottom of the mounting main body (1) is provided with a supporting leg; the chest developer (2), the chest developer (2) is clamped at the upper position of the outer side of the mounting main body (1);
the sliding seat (3), the sliding seat (3) is clamped at the outer side of the installation main body (1);
the clamping mechanism (4), the said clamping mechanism (4) is snapped in the outside of the sliding seat (3);
the sliding blocks (5) are arranged, and the sliding blocks (5) are symmetrically clamped at the bottom of the outer side of the mounting main body (1);
the clamping plate (6) is clamped above the sliding block (5), and a pulling handle is arranged above the clamping plate (6);
the locking block (7), the said locking block (7) is snapped in the outside of the clamping plate (6);
a locking mechanism (8), the locking mechanism (8) being mounted between the clamping plate (6) and the locking block (7);
the integrated circuit board (9), integrated circuit board (9) are installed between installation main part (1) and pinch-off blades (6), and a copper wire is bonded above integrated circuit board (9).
2. The test fixture for testing PCB bonding strength according to claim 1, wherein: the mounting body (1) comprises:
the installation floor (101), the installation floor (101) is provided with two symmetrical sliding grooves, the sliding grooves are of a T-shaped structure, and the sliding blocks (5) are clamped in the sliding grooves of the installation floor (101);
the installation is erected version (102), and a vertical sliding tray is seted up in installation is erected version (102), and the sliding tray is T shape structure, and sliding seat (3) joint is in the sliding tray of installation vertical version (102).
3. The test fixture for testing PCB bonding strength according to claim 1, wherein: the sliding seat (3) comprises:
the supporting shoe (301), there are two symmetrical supporting shoes (301) above sliding seat (3), and supporting shoe (301) are L shape structure, and a clamping bolt is installed to supporting shoe (301).
4. The test fixture for testing PCB bonding strength according to claim 1, wherein: a pull ring is installed above the sliding seat (3), a hook is installed at the bottom of the chest expander (2), two sliding grooves are formed in the sliding seat (3), and a clamping bolt is installed on the sliding seat (3).
5. The test fixture for testing PCB bonding strength according to claim 1, wherein: the clamping mechanism (4) comprises:
the clamping blocks (401) are arranged, the number of the clamping blocks (401) is two, the clamping blocks (401) are clamped in a sliding groove of the sliding seat (3), the clamping blocks (401) are provided with grooves of a wavy structure, the clamping blocks (401) are provided with threaded holes, and the spiral directions of the threaded holes of the two clamping blocks (401) are opposite;
the end part of the first bidirectional threaded rod (402) is provided with a screwing seat, the sliding seat (3) is provided with a mounting hole with a stepped structure, the first bidirectional threaded rod (402) is inserted into the mounting hole of the sliding seat (3), and the first bidirectional threaded rod (402) is in threaded connection with the clamping block (401).
6. The test fixture for testing PCB bonding strength according to claim 1, wherein: the sliding block (5) comprises:
locating lever (501), the external screw thread has been seted up to the bottom of locating lever (501), and locating lever (501) are total two, and two mounting holes have been seted up in pinch-off blades (6), and locating lever (501) alternate in the mounting hole of locating lever (501), and a supporting spring has been cup jointed in the outside of locating lever (501).
7. The test fixture for testing PCB bonding strength according to claim 1, wherein: the clamping plate (6) comprises:
the clamping device comprises an installation block (601), wherein the installation block (601) is arranged on the outer side of a clamping plate (6), the installation block (601) is provided with two clamping grooves in a triangular structure, two clamping blocks are arranged on the inner side of a locking block (7) and are in triangular structures, and the clamping blocks of the locking block (7) are clamped in the clamping grooves of the installation block (601).
8. The test fixture for testing PCB bonding strength according to claim 1, wherein: the locking mechanism (8) comprises:
the locking block (7) is provided with a through hole with a ladder structure, two positioning bulges are arranged on the outer side of the second bidirectional threaded rod (801), and the positioning bulges are clamped in the ladder hole of the locking block (7);
the threaded connection plate (802), the threaded connection plate (802) is provided with a threaded hole, and the second bidirectional threaded rod (801) is inserted into the threaded hole of the threaded connection plate (802);
the locking block (803), the locking block (803) is in the outside of threaded connection board (802), and locking block (803) are relative just right with locating lever (501), and the interlude hole has all been seted up in sliding block (5) and clamp plate (6), and the joint of locking block (803) is inboard at the interlude hole of sliding block (5) and clamp plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220977652.0U CN217505604U (en) | 2022-04-26 | 2022-04-26 | Test fixture for detecting PCB bonding strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220977652.0U CN217505604U (en) | 2022-04-26 | 2022-04-26 | Test fixture for detecting PCB bonding strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217505604U true CN217505604U (en) | 2022-09-27 |
Family
ID=83349451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220977652.0U Expired - Fee Related CN217505604U (en) | 2022-04-26 | 2022-04-26 | Test fixture for detecting PCB bonding strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217505604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554789A (en) * | 2024-01-11 | 2024-02-13 | 远东(三河)多层电路有限公司 | PCB board test fixture |
-
2022
- 2022-04-26 CN CN202220977652.0U patent/CN217505604U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554789A (en) * | 2024-01-11 | 2024-02-13 | 远东(三河)多层电路有限公司 | PCB board test fixture |
| CN117554789B (en) * | 2024-01-11 | 2024-03-19 | 远东(三河)多层电路有限公司 | PCB board test fixture |
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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 |
Granted publication date: 20220927 |
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| CF01 | Termination of patent right due to non-payment of annual fee |