CN106664797A - Slice grinding device - Google Patents
Slice grinding device Download PDFInfo
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- CN106664797A CN106664797A CN201580029070.2A CN201580029070A CN106664797A CN 106664797 A CN106664797 A CN 106664797A CN 201580029070 A CN201580029070 A CN 201580029070A CN 106664797 A CN106664797 A CN 106664797A
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- grinding
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Sampling And Sample Adjustment (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Disclosed is a slice grinding device, comprising: a support base (10), a clamping device (20) for clamping a slice sample (1), and a grinding device (2) for grinding the slice sample, wherein the clamping device and the grinding device are respectively arranged on the support base, and the slice sample clamped by the clamping device faces a grinding disc of the grinding device; and further comprising a driving device (40), which drives at least one of the clamping device and the grinding device to move toward another device so as to enable the grinding disc to grind the slice sample. The slice grinding device uses the support base to support the clamping device and the grinding device, and when in use, the clamping device and the grinding device can achieve a relative movement, thereby ensuring that, when the slice sample is ground, a smooth surface can be ground, the grinding effect of the slice sample is improved, and at the same time, the grinding efficiency is also improved.
Description
The embodiment of the invention relates to the technical field of failure analysis of electronic products, in particular to a grinding plate device.
With the rapid development of the electronic communication industry, failure analysis of electronic products is becoming more and more important, and one of the important means is slice analysis. As shown in fig. 1, fig. 1 shows a schematic view of a slice in the prior art when lapping, and a slice analysis lapping is performed by manually grasping a slice sample 1 and then grinding it on a grinding device 2. Specifically, firstly, a slice sample 1 is manufactured, an electronic board is placed in a mold, liquid glue is poured into the mold, the liquid glue is adhered to the electronic board after being solidified to form the slice sample 1, and the solidified glue can be conveniently held by a worker. As shown in fig. 2a to 2c, fig. 2a to 2c show the steps of a worker when the worker is holding the grinding sheet, when the worker is grinding the sliced sample 1, the grinding sheet is not flat or even spherical due to the conditions of uneven stress, inclined angle and the like existing when the worker is manually pressing the sliced sample 1. And the purely manual operation, even trained and skilled staff may have the above-mentioned operational errors. Resulting in unevenness after slicing and lapping, and influencing the detection effect.
Disclosure of Invention
The invention provides a grinding device which is used for improving the flatness of a slice after grinding and improving the grinding effect.
In a first aspect, there is provided a blade arrangement comprising: a supporting seat, a clamping device for clamping a sliced sample and a grinding device for grinding the sliced sample, wherein,
the clamping device and the grinding device are respectively arranged on the supporting seat, and the sliced sample clamped by the clamping device faces the grinding disc of the grinding device; the device also comprises a driving device, wherein the driving device drives at least one of the clamping device and the grinding device to move towards the other device, so that the grinding disc grinds the sliced sample.
With reference to the first aspect, in a first possible implementation manner, the driving device is a lead screw, and the clamping device is spirally connected to the supporting seat through the lead screw.
With reference to the first aspect, in a second possible implementation manner, the driving device is a driving cylinder, a cylinder body of the driving cylinder is fixed to the supporting seat, and a piston rod of the driving cylinder is fixedly connected to the clamping device.
With reference to the first aspect, in a third possible implementation manner, the clamping device includes a base, and a plurality of jaws fixedly connected to the base, and the jaws are used for clamping the sliced sample.
With reference to the first aspect, the first possible implementation manner of the first aspect, the second possible implementation manner of the first aspect, and the third possible implementation manner of the first aspect, in a fourth possible implementation manner, the polishing apparatus further includes an adjusting device, the polishing apparatus is connected to the supporting seat through the adjusting device, and the adjusting device is configured to adjust an included angle between a polishing surface of the polishing apparatus and a horizontal plane.
With reference to the fourth possible implementation manner of the first aspect, in a fifth possible implementation manner, the adjusting device includes at least three adjusting rods, and each adjusting rod includes a first threaded rod fixedly connected to the grinding device, a second threaded rod fixedly connected to the supporting device, and a threaded pipe in threaded connection with the first threaded rod and the second threaded rod, where the rotation directions of the threads on the first threaded rod and the second threaded rod are opposite.
With reference to the fourth possible implementation manner of the first aspect, in a sixth possible implementation manner, the polishing apparatus further includes a level gauge disposed on the polishing apparatus and used for detecting an included angle between a polishing surface of the polishing apparatus and a horizontal plane.
With reference to the first aspect, the first possible implementation manner of the first aspect, the second possible implementation manner of the first aspect, and the third possible implementation manner of the first aspect, in a seventh possible implementation manner, the apparatus further includes an adjusting device, the clamping device is connected to the driving device through the adjusting device, and the adjusting device is configured to adjust an included angle between the slice clamped by the clamping device and a horizontal plane.
With reference to the seventh possible implementation manner of the first aspect, in an eighth possible implementation manner, the adjusting device includes at least three adjusting rods, each adjusting rod includes a first threaded rod fixedly connected to the clamping device, a second threaded rod fixedly connected to the driving device, and a threaded pipe spirally connected to the first threaded rod and the second threaded rod, and the rotation directions of the first threaded rod and the second threaded rod are opposite.
With reference to the seventh possible implementation manner of the first aspect, in a ninth possible implementation manner, the device further includes a level gauge disposed on the clamping device and used for detecting an included angle between the slice and a horizontal plane.
According to the grinding sheet device that the first aspect provided, through adopting the supporting seat to support clamping device and grinder, when using, relative motion can be realized to clamping piece device and grinding sheet device for the section sample atress is even when grinding, thereby has guaranteed when the section sample grinds, can grind out smooth face, has improved the grinding effect of section sample, simultaneously, has also improved the efficiency of grinding.
FIG. 1 is a schematic view of a prior art slice during lapping;
FIGS. 2a to 2c are flow charts of the steps of slicing and lapping in the prior art;
FIG. 3 is a schematic structural view of a blade apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a blade device according to another embodiment of the present invention.
Reference numerals:
1-slicing sample 2-grinding device 10-supporting seat
11-second support plate 12-second support plate 13-vertical plate
20-holding means 30-grinding means 40-drive means
41-screw 50-adjusting device 60-slicing sample
70-level gauge 80-level gauge 90-adjusting device
In order to improve the grinding effect of a sliced sample and improve the grinding efficiency of the sliced sample, the embodiment of the invention provides a grinding tool. In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below by way of non-limiting examples.
As shown in fig. 3 and 4, fig. 3 is a schematic structural diagram of a grinding plate device according to an embodiment of the present invention; fig. 4 is a schematic structural view of a blade device according to another embodiment of the present invention.
An embodiment of the present invention provides a blade device, including: a supporting base, a clamping device 20 for clamping the sliced sample 60 and a grinding device 30 for grinding the sliced sample 60, wherein,
the clamping device 20 and the grinding device 30 are respectively arranged on the supporting seat 10, and the slice sample clamped by the clamping device 20 faces the grinding disc of the grinding device 30; the device further comprises a driving device 40, wherein the driving device 40 drives at least one of the clamping device 20 and the grinding device 30 to move towards the other device, so that the grinding disc grinds the sliced sample.
In the above embodiment, by using the supporting seat 10 to support the clamping device 20 and the grinding device 30, when in use, the clamping device and the grinding plate device can realize relative movement, so that the stress of the sliced sample 60 is uniform during grinding, thereby ensuring that a flat surface can be ground when the sliced sample 60 is ground, improving the grinding effect of the sliced sample 60, and simultaneously improving the grinding efficiency.
In order to facilitate understanding of the grinding sheet device provided in the present embodiment, the following detailed description of the structure thereof will be made with reference to the accompanying drawings and specific embodiments.
As shown in fig. 2 and 3, taking the placing direction of the grinding sheet device shown in fig. 2 and 3 as a reference direction, the placing direction is the placing direction of the grinding sheet device in use, and as can be seen from fig. 2 and 3, when the clip device and the grinding device 30 move relatively, the relative movement in the vertical direction is realized.
In this embodiment, in order to ensure the grinding effect of the sliced sample 60, the direction of the relative movement of the grinding device 30 and the holding device 20 is defined, that is, when in use, the two devices can only realize the relative movement in the vertical direction, and in a specific setting, the holding device 20 can be adopted to move in the vertical direction, the grinding device 30 can also be adopted to move in the vertical direction, and different movement modes such as the holding device 20 and the grinding device 30 can both move in the vertical direction can also be adopted. The following will explain details of the present invention by specific examples.
Example 1
The grinding sheet device provided by the embodiment comprises a supporting seat 10, a clamping device 20 for clamping a sliced sample 60 and a grinding device 30 for grinding the sliced sample 60, wherein the clamping device 20 and the grinding device 30 are respectively arranged on the supporting seat 10 and are opposite in arrangement position; and a driving device 40 for driving the holding device 20 to move toward the polishing device 30.
Specifically, as shown in fig. 2, the supporting seat 10 includes a first supporting plate 12 and a second supporting plate 11 disposed opposite to each other, and the first supporting plate 12 and the second supporting plate 11 are fixedly connected by a vertical plate 13 to form a C-shaped supporting seat 10 structure, wherein the clamping device 20 is disposed on the first supporting seat 10 and can drive the clamping device 20 to move toward the polishing device 30 through the driving device 40, and the polishing device 30 is disposed on the second supporting plate 11.
The driving device 40 can adopt different structures to drive the clamping device 20, as shown in fig. 2, the driving device 40 is a lead screw 41, the clamping device 20 is in threaded connection with the supporting seat 10 through the lead screw 41, that is, the clamping device 20 is in threaded connection with the first supporting plate 12 through the lead screw 41, and when the sliced sample 60 needs to be lapped, the lead screw 41 is rotated to push the clamping device 20 to move toward the grinding device 30. When the lead screw 41 rotates, a handle can be arranged at the end of the lead screw 41, the lead screw 41 is pushed to rotate by manually rotating the handle, or the lead screw 41 is pushed to rotate mechanically, specifically, the lead screw 41 is connected with a speed reducing device through a driving motor, and the lead screw 41 is driven to rotate through the speed reducing device. When the structure that the driving motor drives the speed reducer is adopted, the screw rod 41 can be replaced by a rack, which is a more conventional structure in mechanical transmission and is not described in detail herein. In addition, the driving device 40 may also adopt a driving cylinder, a cylinder body of the driving cylinder is fixed on the supporting seat 10, and a piston rod of the driving cylinder is fixedly connected with the clamping device 20. In specific use, the purpose of pushing the clamping device 20 to move is achieved through the reciprocating motion of a piston rod in the air cylinder. It should be understood that the same principle applies to a pneumatic or hydraulic cylinder, which may also be used in this embodiment.
In addition, when the slice sample 60 is lapped, the slice sample 60 needs to be fixed in the clamping device, wherein the clamping device 20 can adopt different structures to clamp the slice sample 60, for the convenience of understanding of the embodiment, the structure of the slice sample 60 is described below, the electronic board is placed in the mold, the liquid glue is poured into the mold, after the liquid glue is solidified, the electronic board is adhered together to form a slice sample 60, and when the slice sample 60 is clamped by the clamping device 20, the shape of the formed fixing glue can be changed to facilitate the clamping of the clamping device 20. The clamping device 20 can adopt the following structure: the holding device 20 comprises a base and a plurality of jaws fixedly connected to the base for clamping the sliced sheet sample 60. Specifically, the base is cylindrical shape, and the jack catch encircles cylindrical base setting, and the preferred, the number of jack catch is greater than two, and as an preferred embodiment, the number of jack catch is three, and three jack catch encircles the base and evenly sets up. In addition, in order to facilitate the claws to hold the sliced sample 60, it is preferable that the solid glue of the sliced sample 60 is provided with a groove for snap-fitting each claw, so that the sliced sample 60 is fixed on the holding device 20 for grinding. Alternatively, the holding device 20 includes the following structure: the slicing device comprises a base and a plurality of bulges arranged on the base, wherein a screw is spirally connected to each bulge, and the sliced sample 60 is fixedly connected with the clamping device 20 through the screw. When such a connection is adopted, the sliced piece sample 60 can be firmly fixed to the holding means 20.
The grinding device 30 is the same as the grinding device 30 in the prior art, and includes a grinding disc and a motor for driving the grinding disc to rotate, which will not be described in detail herein.
In addition, in the connection of the grinding device 30 and the second support plate 11, different connection methods can be adopted, such as: the grinding means 30 is directly fixed to the second support plate 11. As a preferred embodiment, the lapping device further comprises an adjusting device 50, the grinding device 30 is connected with the supporting seat 10 through the adjusting device 50, and the adjusting device 50 is used for adjusting the included angle between the grinding surface of the grinding device 30 and the horizontal plane. That is, the angle of the polishing surface of the polishing device 30 can be adjusted by the adjusting device 50, and when the sliced sample 60 needs to be polished at different angles, as shown in fig. 3, since the bottom surface (polishing surface) of the sliced sample 60 is parallel to the horizontal direction after the sliced sample 60 is clamped by the clamping device 20 in the present embodiment, the polishing device 30 adjusts the angle between the polishing disk and the horizontal direction by the adjusting device 50 to adjust the polishing angle.
Specifically, the adjusting device 50 can be implemented by different structures, for example, the adjusting device 50 includes a spherical structure disposed on the second support plate 11, and the grinding device 30 is provided with a spherical sleeve sleeved on the spherical structure to form a universal joint structure. Preferably, the adjusting device 50 includes at least three adjusting rods, and each adjusting rod includes a first threaded rod fixedly connected to the grinding device 30, a second threaded rod fixedly connected to the supporting device, and a threaded tube threadedly connected to the first threaded rod and the second threaded rod, wherein the threads on the first threaded rod and the second threaded rod are rotated in opposite directions. The grinding angle of the grinding device 30 is adjusted by at least three adjusting rods, wherein the number of the adjusting rods is preferably three, and the three adjusting rods surround a regular triangle, so that when the grinding angle needs to be adjusted, the grinding surface can be adjusted by adjusting the threaded pipes.
When the adjusting device 50 is selected to adjust the grinding angle, in order to improve the grinding accuracy, it is preferable that the lapping device further includes a level gauge 70 disposed on the grinding device 30 and used for detecting an included angle between the grinding surface of the grinding device 30 and a horizontal plane. Therefore, the included angle between the adjusted grinding surface and the horizontal plane can be accurately known.
As can be seen from the above description, in the grinding sheet device provided in the present embodiment, the clamping device 20 and the grinding device 30 define the moving direction therebetween by the supporting seat 10 and the driving device 40, so that the grinding flatness is ensured during grinding, the angle of the grinding surface can be adjusted by the user as required, the grinding effect is improved, and meanwhile, the grinding quality is also improved.
Example 2
As shown in fig. 4, the structures of the clamping device 20, the grinding device 30 and the driving device 40 in the grinding sheet device provided in this embodiment are the same as the structures of the clamping device 20 and the grinding device 30 provided in embodiment 1, and are not described again here, and the difference between embodiments 1 and 2 is that the arrangement of the adjusting device 90 is different, and the following describes this embodiment in detail with respect to the adjusting device 90 in this embodiment.
With continuing reference to fig. 4, it can be seen from fig. 4 that the adjusting device 90 provided in the present embodiment is disposed on the clamping device 20, and specifically, the grinding sheet device further includes an adjusting device 90, the clamping device 20 is connected to the driving device 40 through the adjusting device 90, and the adjusting device 90 is used for adjusting an angle between the slice clamped by the clamping device 20 and a horizontal plane. In a specific connection mode, the clamping device 20 is connected with the adjusting device 90, the adjusting device 90 is connected with the driving device 40, and the driving device 40 is connected with the second supporting plate 11. In a specific configuration, the structure of the adjusting device 90 is the structure shown in embodiment 1, that is, the adjusting device 90 includes at least three adjusting rods, and each adjusting rod includes a first threaded rod fixedly connected to the holding device 20, a second threaded rod fixedly connected to the driving device 40, and a threaded pipe spirally connected to the first threaded rod and the second threaded rod, and the rotation directions of the first threaded rod and the second threaded rod are opposite. When the adjusting device 90 includes three adjusting rods, the three adjusting rods are connected to the base of the clamping device 20. Furthermore, for the connection between the adjusting device 90 and the drive 40, a connecting flange is connected to the drive 40, and the three adjusting rods are connected to the drive 40 via the connecting flange. When different structures are adopted for the specific driving device 40, the structure of the connecting flange is a structure that is relatively common in the mechanical field and is not described in detail herein.
In addition, in order to detect the adjusted angle, the lapping device further comprises a level 80 which is arranged on the clamping device 20 and is used for detecting the included angle between the sliced sheet and the horizontal plane.
As can be seen from the above embodiments, in the grinding sheet device provided in the present embodiment, the clamping device 20 and the grinding device 30 define the movement direction therebetween through the supporting seat 10 and the driving device 40, so as to ensure the grinding flatness during grinding, and a user can adjust the angle of the grinding surface as required, thereby improving the grinding effect and the grinding quality.
It should be understood that embodiments 1 and 2 only provide two specific embodiments of the grinding sheet device provided in this embodiment, the structure of the grinding sheet device provided in this embodiment is not limited to the specific structure, and any structure that realizes the opposite movement of the clamping device 20 and the grinding device 30 can be applied to this embodiment, and the principle thereof is similar to that of the structure of the specific embodiments listed above, and will not be described again here.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
- A refiner plate arrangement, comprising: a supporting seat, a clamping device for clamping a sliced sample and a grinding device for grinding the sliced sample, wherein,the clamping device and the grinding device are respectively arranged on the supporting seat, and the sliced sample clamped by the clamping device faces the grinding disc of the grinding device; the device also comprises a driving device, wherein the driving device drives at least one of the clamping device and the grinding device to move towards the other device, so that the grinding disc grinds the sliced sample.
- A blade grinding apparatus according to claim 1, wherein the drive means is a lead screw, and the clamping means is screw-coupled to the support base via the lead screw.
- A lapping device according to claim 1, wherein the driving device is a driving cylinder, a cylinder body of the driving cylinder is fixed on the supporting base, and a piston rod of the driving cylinder is fixedly connected with the clamping device.
- A blade arrangement according to claim 1, wherein the clamping means comprises a base and a plurality of jaws fixedly connected to the base for gripping the sliced sample.
- A grinding plate apparatus according to any one of claims 1 to 4, further comprising adjusting means, wherein the grinding means is connected to the supporting base by adjusting means, and wherein the adjusting means is adapted to adjust an angle of a grinding surface of the grinding means with respect to a horizontal plane.
- A blade grinding apparatus according to claim 5, wherein the adjustment means comprises at least three adjustment rods, and each adjustment rod comprises a first threaded rod fixedly connected to the grinding means, a second threaded rod fixedly connected to the support means, and a threaded tube threadedly connected to the first and second threaded rods, wherein the threads on the first and second threaded rods are of opposite hand.
- A blade arrangement according to claim 5, further comprising a level gauge arranged on the grinding means for detecting the angle of the grinding surface of the grinding means with respect to the horizontal.
- A blade grinding device according to claims 1 to 4, further comprising an adjusting device, wherein the clamping device is connected with the driving device through the adjusting device, and the adjusting device is used for adjusting the included angle between the slice clamped by the clamping device and the horizontal plane.
- A grinding plate device according to claim 8, characterized in that the adjusting device comprises at least three adjusting rods, and each adjusting rod comprises a first threaded rod fixedly connected with the clamping device, a second threaded rod fixedly connected with the driving device, and a threaded pipe spirally connected with the first threaded rod and the second threaded rod respectively, and the rotating directions of the first threaded rod and the second threaded rod are opposite.
- A blade assembly according to claim 8, further comprising a level provided on the clamping assembly for detecting the angle of the blade relative to the horizontal.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/075585 WO2016154919A1 (en) | 2015-03-31 | 2015-03-31 | Slice grinding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106664797A true CN106664797A (en) | 2017-05-10 |
| CN106664797B CN106664797B (en) | 2019-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580029070.2A Active CN106664797B (en) | 2015-03-31 | 2015-03-31 | A kind of grinding device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106664797B (en) |
| WO (1) | WO2016154919A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515853A (en) * | 2020-05-13 | 2020-08-11 | 深圳宜特检测技术有限公司 | Sample grinding auxiliary device and grinding method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849072A (en) * | 2018-12-20 | 2019-06-07 | 广州立景创新科技有限公司 | A kind of slice jig |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186308A (en) * | 2011-03-11 | 2011-09-14 | 深圳市崇达电路技术股份有限公司 | Fabricating method for micro-slice and vacuuming device for fabricating micro-slice |
| CN202101880U (en) * | 2011-01-05 | 2012-01-04 | 深圳市崇达电路技术股份有限公司 | Mould for microsection rubber moulding |
| CN203582458U (en) * | 2013-09-23 | 2014-05-07 | 深圳市豪恩声学股份有限公司 | Making equipment of micro-slice |
| CN104168716A (en) * | 2014-08-13 | 2014-11-26 | 景旺电子科技(龙川)有限公司 | Method for manufacturing microsection |
-
2015
- 2015-03-31 CN CN201580029070.2A patent/CN106664797B/en active Active
- 2015-03-31 WO PCT/CN2015/075585 patent/WO2016154919A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202101880U (en) * | 2011-01-05 | 2012-01-04 | 深圳市崇达电路技术股份有限公司 | Mould for microsection rubber moulding |
| CN102186308A (en) * | 2011-03-11 | 2011-09-14 | 深圳市崇达电路技术股份有限公司 | Fabricating method for micro-slice and vacuuming device for fabricating micro-slice |
| CN203582458U (en) * | 2013-09-23 | 2014-05-07 | 深圳市豪恩声学股份有限公司 | Making equipment of micro-slice |
| CN104168716A (en) * | 2014-08-13 | 2014-11-26 | 景旺电子科技(龙川)有限公司 | Method for manufacturing microsection |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515853A (en) * | 2020-05-13 | 2020-08-11 | 深圳宜特检测技术有限公司 | Sample grinding auxiliary device and grinding method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016154919A1 (en) | 2016-10-06 |
| CN106664797B (en) | 2019-04-23 |
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