CN111025111A - Clamping device for transient thermal resistance test - Google Patents
Clamping device for transient thermal resistance test Download PDFInfo
- Publication number
- CN111025111A CN111025111A CN201911172097.3A CN201911172097A CN111025111A CN 111025111 A CN111025111 A CN 111025111A CN 201911172097 A CN201911172097 A CN 201911172097A CN 111025111 A CN111025111 A CN 111025111A
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- CN
- China
- Prior art keywords
- plate
- clamping
- thermal resistance
- transient thermal
- supporting rod
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- 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.)
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- 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
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2601—Apparatus or methods therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
Abstract
The invention discloses a clamping device for transient thermal resistance testing, which comprises a base, wherein a clamping plate is fixedly arranged at the center of a bottom plate, a second side plate is arranged at the other side of a top plate and the bottom plate, tension meters are symmetrically arranged on the top plate, pull ropes are connected with the tension meters, fixing rings are symmetrically arranged on a movable plate, the pull ropes are connected with the fixing rings, clamping blocks are arranged below the movable plate, when the clamping device is used, a testing device is placed on the clamping plate, a threaded rod is rotated to push the movable plate to move downwards under the matching of a sliding block and a sliding groove, and when the threaded rod is pushed, the downward pull force at the moment can be measured through the tension meters, so that the pressure of the clamping blocks on the clamping plate can be increased or reduced according to needs: the device has a simple structure, is convenient to use, can adjust different clamping forces according to requirements during transient thermal resistance testing, does not crush the chip, or has excessively small clamping force, increases thermal contact resistance and resistance, and influences a testing result.
Description
Technical Field
The invention relates to the technical field of thermal resistance test clamping, in particular to a clamping device for transient thermal resistance test.
Background
In the process of producing semiconductor devices, in order to quickly and effectively check the sintering quality (thermal resistance) between a device chip and a shell, a screening method of transient thermal resistance test is generally adopted. The method is to apply single power pulse to the semiconductor device to be tested, measure thermal sensitive parameters after the pulse is finished, infer the temperature rise of the device chip, and then infer the quality of the device sintering quality (sintering thermal resistance). The test of the transient thermal resistance can meet 100 percent of screening in the process production of semiconductor devices, and mainly eliminates devices with larger thermal resistance caused by unqualified chip sintering quality. When the transient thermal resistance test is carried out on the semiconductor device, the semiconductor device needs to be clamped and fixed, in order to ensure that the semiconductor device can work normally, the clamping force of the clamping device on the semiconductor device needs to be strictly controlled, the conventional clamping device is often too large in clamping force and crushes a chip, or the clamping force is too small, so that the contact thermal resistance and the resistance are increased, and the test result is influenced.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The present invention provides a clamping device for transient thermal resistance test, which is directed to the problems in the related art, so as to overcome the above technical problems in the related art.
The technical scheme of the invention is realized as follows:
a clamping device for transient thermal resistance testing comprises a base, wherein a first supporting rod is arranged on the base, a second supporting rod is arranged on the first supporting rod, the first supporting rod is connected with the second supporting rod through an adjusting device, a first side plate is arranged at one end of the second supporting rod, a top plate and a bottom plate are respectively arranged at two ends of the first side plate, the top plate and the bottom plate are fixedly connected with the first side plate, a clamping plate is fixedly arranged at the center of the bottom plate, a second side plate is arranged at the other side of the top plate and the bottom plate, a movable plate is arranged between the first side plate and the second side plate, sliding blocks are arranged at two ends of the movable plate, sliding grooves are respectively formed in one side wall of each sliding block of the first side plate and the second side plate, the sliding blocks are matched with the sliding grooves, and thread sleeves are arranged at the center of the top, the pull-type tension meter is characterized in that a threaded rod is arranged in the threaded sleeve, pull meters are symmetrically arranged on the top plate, pull ropes are connected to the pull meters, fixing rings are symmetrically arranged on the movable plate, the pull ropes are connected with the fixing rings, and clamping blocks are arranged below the movable plate.
Furthermore, adjusting device includes first splint and second splint, be equipped with the fastening axle between first splint with the second splint.
Furthermore, the position that the fly leaf is located the threaded rod below is equipped with the fixed plate, fixed plate center department is equipped with the thread groove.
Furthermore, the first support rod and the second support rod are made of stainless steel.
Furthermore, the installation nails are symmetrically arranged below the base.
The invention provides a clamping device for transient thermal resistance testing, which has the following beneficial effects:
(1) when the device is used, a testing device is placed on the clamping plate, the threaded rod is rotated to push the movable plate to move downwards under the matching of the sliding block and the sliding groove, the downward pulling force can be measured by the tension meter when the device is pushed, the pressure of the clamping block on the clamping plate can be increased or decreased as required, the device has a simple structure, is convenient to use, can adjust different clamping forces according to requirements during transient thermal resistance testing, does not crush the chip, or has excessively small clamping force, increases thermal contact resistance and resistance, and influences a testing result.
(2) The adjusting device comprises a first clamping plate and a second clamping plate, a fastening shaft is arranged between the first clamping plate and the second clamping plate, and the positions of the first supporting rod and the second supporting rod can be adjusted.
(3) The movable plate is located at the position below the threaded rod, the center of the fixed plate is provided with a threaded groove, and the movable plate is protected when the threaded rod rotates.
(4) The first supporting rod and the second supporting rod are made of stainless steel, so that the service life of the first supporting rod and the service life of the second supporting rod can be prolonged.
(5) The installation nails are symmetrically arranged below the base, so that the base can be conveniently installed and detached.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a clamping device for transient thermal resistance testing according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an adjusting device in a clamping device for transient thermal resistance testing according to an embodiment of the invention.
In the figure:
1. a base; 2. a first support bar; 3. a second support bar; 4. an adjustment device; 5. a first side plate; 6. a top plate; 7. a base plate; 8. a clamping plate; 9. a second side plate; 10. a movable plate; 11. a slider; 12. a chute; 13. a threaded sleeve; 14. a threaded rod; 15. a tension meter; 16. pulling a rope; 17. a fixing ring; 18. a clamping block; 19. a first splint; 20. a second splint; 21. fastening the shaft; 22. a fixing plate; 23. a thread groove; 24. and (6) installing the nail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
The invention is further described with reference to the following drawings and detailed description:
the first embodiment is as follows:
referring to fig. 1-2, a clamping device for transient thermal resistance testing according to an embodiment of the present invention includes a base 1, a first supporting rod 2 is disposed on the base 1, a second supporting rod 3 is disposed on the first supporting rod 2, the first supporting rod 2 is connected to the second supporting rod 3 through an adjusting device 4, a first side plate 5 is disposed at one end of the second supporting rod 3, a top plate 6 and a bottom plate 7 are disposed at two ends of the first side plate 5, the top plate 6 and the bottom plate 7 are both fixedly connected to the first side plate 5, a clamping plate 8 is fixedly disposed at a center of the bottom plate 7, a second side plate 9 is disposed at the other side of the top plate 6 and the bottom plate 7, a movable plate 10 is disposed between the first side plate 5 and the second side plate 9, sliders 11 are disposed at two ends of the movable plate 10, and chutes 12 are disposed on one side walls of the first side plate 5 and the second side plate 9 located on the sliders 11, the slide block 11 with the spout 12 phase-match, roof 6 center department is equipped with thread bush 13, be equipped with threaded rod 14 in the thread bush 13, the last symmetry of roof 6 is equipped with the tensiometer 15, be connected with stay cord 16 on the tensiometer 15, the symmetry is equipped with solid fixed ring 17 on the fly leaf 10, stay cord 16 with gu fixed ring 17 connects, fly leaf 10 below is equipped with clamp splice 18.
Through the scheme of the invention, the center of the bottom plate 7 is fixedly provided with the clamping plate 8, the other side of the top plate 6 and the bottom plate 7 is provided with the second side plate 9, the movable plate 10 is arranged between the first side plate 5 and the second side plate 9, two ends of the movable plate 10 are respectively provided with the sliding block 11, one side wall of the sliding block 11 of the first side plate 5 and the second side plate 9 is respectively provided with the sliding groove 12, the sliding block 11 is matched with the sliding groove 12, the center of the top plate 6 is provided with the threaded sleeve 13, the threaded sleeve 13 is internally provided with the threaded rod 14, the top plate 6 is symmetrically provided with the tension meter 15, the tension meter 15 is connected with the pulling rope 16, the movable plate 10 is symmetrically provided with the fixing ring 17, the pulling rope 16 is connected with the fixing ring 17, the clamping block 18 is arranged below the movable plate 10, when in use, a test device is placed on, the threaded rod 14 is rotated to enable the threaded rod to push the movable plate 10 to move downwards under the matching of the sliding block 11 and the sliding groove 12, when the threaded rod is pushed, the downward pulling force at the moment can be measured and calculated through the tension meter 15, the pressure of the clamping block on the clamping plate 8 can be increased or reduced as required, the device is simple in structure and convenient to use, different clamping forces can be adjusted as required when transient thermal resistance is tested, chip crushing cannot be caused, or the clamping force is too small, thermal contact resistance and resistance are increased, and a test result is influenced.
Example two:
as shown in fig. 1-2, the adjusting device 4 comprises a first clamping plate 19 and a second clamping plate 20, and a fastening shaft 21 is arranged between the first clamping plate 19 and the second clamping plate 20; the adjusting device 4 comprises a first clamping plate 19 and a second clamping plate 20, a fastening shaft 21 is arranged between the first clamping plate 19 and the second clamping plate 20, and the positions of the first supporting rod 2 and the second supporting rod 3 can be adjusted. A fixed plate 22 is arranged at the position of the movable plate 10 below the threaded rod 14, and a threaded groove 23 is formed in the center of the fixed plate 22; the movable plate 10 is provided with a fixing plate 22 at a position below the threaded rod 14, and a threaded groove 23 is formed in the center of the fixing plate 22, so that the movable plate 10 is protected when the threaded rod 14 rotates. The first support rod 2 and the second support rod 3 are both made of stainless steel; first bracing piece 2 with the material of second bracing piece 3 is the stainless steel, can improve the life of first bracing piece 2 and second bracing piece 3. Mounting nails 24 are symmetrically arranged below the base 1; the installation nails 24 are symmetrically arranged below the base 1, so that the base can be conveniently installed and detached.
In summary, according to the above technical solution of the present invention, a clamping plate 8 is fixedly disposed at the center of a bottom plate 7, a second side plate 9 is disposed at the other side of the top plate 6 and the bottom plate 7, a movable plate 10 is disposed between the first side plate 5 and the second side plate 9, sliders 11 are disposed at two ends of the movable plate 10, sliding grooves 12 are disposed on one side walls of the sliders 11 of the first side plate 5 and the second side plate 9, the sliders 11 are matched with the sliding grooves 12, a threaded sleeve 13 is disposed at the center of the top plate 6, a threaded rod 14 is disposed in the threaded sleeve 13, tension gauges 15 are symmetrically disposed on the top plate 6, pull ropes 16 are connected to the tension gauges 15, fixing rings 17 are symmetrically disposed on the movable plate 10, the pull ropes 16 are connected to the fixing rings 17, and clamping blocks 18 are disposed below the movable plate 10, when in use, place the testing device on grip block 8, the threaded rod 14 rotates, make it promote fly leaf 10 to move down under the cooperation of slider 11 and spout 12, when promoting, can measure out decurrent pulling force this moment through tensiometer 15, can be as required, increase or reduce the pressure of clamp splice to grip block 8, such device simple structure, high durability and convenient use, can be when transient thermal resistance test, adjust different clamping-force as required, can not make the chip crushing, or clamping-force undersize, increase contact thermal resistance and resistance, influence the test result.
The adjusting device 4 comprises a first clamping plate 19 and a second clamping plate 20, a fastening shaft 21 is arranged between the first clamping plate 19 and the second clamping plate 20, and the positions of the first supporting rod 2 and the second supporting rod 3 can be adjusted; a fixed plate 22 is arranged at the position of the movable plate 10 below the threaded rod 14, a threaded groove 23 is arranged at the center of the fixed plate 22, and the movable plate 10 is protected when the threaded rod 14 rotates; the first support rod 2 and the second support rod 3 are made of stainless steel, so that the service lives of the first support rod 2 and the second support rod 3 can be prolonged; the installation nails 24 are symmetrically arranged below the base 1, so that the base can be conveniently installed and detached.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The clamping device for the transient thermal resistance test is characterized by comprising a base (1), wherein a first supporting rod (2) is arranged on the base (1), a second supporting rod (3) is arranged on the first supporting rod (2), the first supporting rod (2) is connected with the second supporting rod (3) through an adjusting device (4), a first side plate (5) is arranged at one end of the second supporting rod (3), a top plate (6) and a bottom plate (7) are respectively arranged at two ends of the first side plate (5), the top plate (6) and the bottom plate (7) are fixedly connected with the first side plate (5), a clamping plate (8) is fixedly arranged at the center of the bottom plate (7), a second side plate (9) is arranged at the other side of the top plate (6) and the bottom plate (7), a movable plate (10) is arranged between the first side plate (5) and the second side plate (9), the both ends of fly leaf (10) all are equipped with slider (11), first curb plate (5) with second curb plate (9) are located all be equipped with spout (12) on the lateral wall of slider (11), slider (11) with spout (12) phase-match, roof (6) center department is equipped with thread bush (13), be equipped with threaded rod (14) in thread bush (13), the last symmetry of roof (6) is equipped with tensiometer (15), be connected with stay cord (16) on tensiometer (15), the symmetry is equipped with solid fixed ring (17) on fly leaf (10), stay cord (16) with gu fixed ring (17) are connected, fly leaf (10) below is equipped with clamp splice (18).
2. The clamping device for transient thermal resistance test according to claim 1, characterized in that the adjusting device (4) comprises a first clamping plate (19) and a second clamping plate (20), and a fastening shaft (21) is arranged between the first clamping plate (19) and the second clamping plate (20).
3. The clamping device for the transient thermal resistance test according to claim 1, wherein the movable plate (10) is provided with a fixed plate (22) at a position below the threaded rod (14), and a threaded groove (23) is formed in the center of the fixed plate (22).
4. The clamping device for the transient thermal resistance test according to claim 1, wherein the first support rod (2) and the second support rod (3) are made of stainless steel.
5. The clamping device for the transient thermal resistance test is characterized in that mounting nails (24) are symmetrically arranged below the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911172097.3A CN111025111A (en) | 2019-11-26 | 2019-11-26 | Clamping device for transient thermal resistance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911172097.3A CN111025111A (en) | 2019-11-26 | 2019-11-26 | Clamping device for transient thermal resistance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111025111A true CN111025111A (en) | 2020-04-17 |
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ID=70202125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911172097.3A Withdrawn CN111025111A (en) | 2019-11-26 | 2019-11-26 | Clamping device for transient thermal resistance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111025111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014769A (en) * | 2020-09-09 | 2020-12-01 | 河南省三禾电气有限公司 | Fault indicator convergence unit |
-
2019
- 2019-11-26 CN CN201911172097.3A patent/CN111025111A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014769A (en) * | 2020-09-09 | 2020-12-01 | 河南省三禾电气有限公司 | Fault indicator convergence unit |
| CN112014769B (en) * | 2020-09-09 | 2023-08-18 | 河南省三禾电气集团有限公司 | Fault indicator converging unit |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200417 |