CN202649178U - Universal clamping device - Google Patents

Universal clamping device Download PDF

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Publication number
CN202649178U
CN202649178U CN 201220116238 CN201220116238U CN202649178U CN 202649178 U CN202649178 U CN 202649178U CN 201220116238 CN201220116238 CN 201220116238 CN 201220116238 U CN201220116238 U CN 201220116238U CN 202649178 U CN202649178 U CN 202649178U
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CN
China
Prior art keywords
detected
base plate
bottom plate
blend stop
product
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201220116238
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Chinese (zh)
Inventor
钱燕妮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Huali Microelectronics Corp
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Shanghai Huali Microelectronics Corp
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Priority to CN 201220116238 priority Critical patent/CN202649178U/en
Application granted granted Critical
Publication of CN202649178U publication Critical patent/CN202649178U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

A universal clamping device at least comprises: a bottom plate made of a permanent magnet material or a ferromagnetic material and used for supporting products to-be-detected; first barrier strips fixedly connected with the bottom plate and used for fixing the products to-be-detected; and second barrier strips matched with the bottom plate and magnetically connected with the bottom plate. By adjusting the position of the second barrier strips, the products to-be-detected are fixed between the first barrier strips and the second barrier strips. Because of the magnetic connection between the second barrier strips and the bottom plate, the region on the bottom plate for placing the products can be reasonably divided according to the specific shape and size of chips to-be-detected, and the sizes of the divided sub-regions can also be adjusted, so that each chip to-be-detected can be neatly placed on the bottom plate, and the available space on the bottom plate can be fully utilized for C-SAM detection. The universal clamping device is simple in structure, easy to produce, low in cost, and convenient for wide promotion and application.

Description

The universal clipping device
Technical field
The utility model relates to a kind of clamping device, and is particularly related to a kind of universal clipping device for Ultrasonic Detection.
Background technology
Along with the development of semiconductor device technology, ultrasonic scanning detects (C-SAM) more and more becomes an indispensable link in the product reliability test technology step.
Ultrasound wave is when passing through medium, if when running into different densities or elasticity coefficient material, can produce reflection echo, and this wave intensity that is reflected back is understood because of the difference of density of material to some extent difference.C-SAM utilizes this characteristic to detect the defective of material internal and complies with the signal that is received to change it imaging.Therefore, as long as when detected integrated circuit surface or inside chip have the defective such as delamination, pore, crack, just can learn the relative position of defective by the C-SAM image, thereby realization is to the detection of product.
Along with product is more and more advanced, packing forms is more and more high-end, requirement to the C-SAM test is also more and more higher, and the difference in size when one of them just is embodied in the product encapsulation satisfies the requirement that detects so that often need to design an independent C-SAM clamping device for each product.
With reference to figure 1, in C-SAM clamping device 100 commonly used at present, in order to realize effective clamping, the isolated area 102 of be used for placing the rest area 101 of product and being used for isolated product has fixing shape and size, makes it possible to adopt the size and dimension of product of this C-SAM clamping device 100 also relatively fixing.That is to say to only have shape and size and this existing C-SAM clamping device when product to be complementary, can use it, otherwise must replace with the clamping device with other size or shape.And in the operational process of craft of reality, a kind of product usually only need to be done once or a small amount of several times C-SAM detects, and therefore, in order to be applicable to the product of different size, often has to make a plurality of clamping devices be complementary with it, thereby causes larger waste.
Summary of the invention
The utility model proposes a kind of universal clipping device, be suitable for being used for clamping product to be detected in C-SAM detects, this technical scheme can be adjusted according to the shape and size of product to be detected, thereby is adapted to the product to be detected of different size, simple in structure, easy to use.
In order to realize above-mentioned technical purpose, the utility model proposes a kind of universal clipping device, comprise at least: adopt the base plate of permanent magnetic material or ferrimagnet, be used for support product to be detected; The first blend stop is fixed in described base plate, is used for fixing described product to be detected; And the second blend stop that is complementary with described base plate, magnetic is connected in described base plate, and by adjusting the position of described the second blend stop, so that product to be detected is fixed between described the first blend stop and described the second blend stop.
Optionally, described the second blend stop and described base plate are complementary and comprise: described base plate adopts permanent magnetic material, and described the second blend stop adopts ferrimagnet; Perhaps described second baffle adopts permanent magnetic material, and described base plate adopts ferrimagnet.
Optionally, described permanent magnetic material is Alni (AlNi (Co)), siderochrome magnet (FeCr (Co)), Fe Cr Mo alloy (FeCrMo), iron aluminium carbon alloy (FeAlC); Described ferrimagnet is iron or cobalt or nickel or comprises one or more material in iron, nickel, the cobalt.
Optionally, on the described base plate leaking hole is set, is used for discharging the liquid that is deposited on the described universal clipping device.
In above-mentioned each embodiment, because the second blend stop is connected with the magnetic of base plate, make it possible to the zone that is used for placing product on the base plate reasonably be divided and the size of the subregion divided is adjusted according to the concrete shape of chip to be detected and size, so that each chip to be detected can be neat be placed on the base plate, and utilize fully the useful space on the base plate to carry out C-SAM and detect.In addition, owing to be provided with for leaking hole that discharge to pile up liquid on the base plate, thereby can effectively prevent because that liquid buildup causes is not fogging clear, and avoid liquid to treat testing product and test the harmful effect that cavity causes.The utility model universal clipping apparatus structure is simple, and is easy to make, and cost is lower, is convenient to widely promotion and application.
Description of drawings
Fig. 1 is the structural representation of at present common C-SAM clamping device;
Fig. 2 is the structural representation of the utility model universal clipping device;
Fig. 3 is the structural representation of a kind of embodiment of the utility model universal clipping device;
Fig. 4 be the another kind of embodiment of the utility model universal clipping device structural representation.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is elaborated.
With reference to figure 2, a kind of embodiment of the utility model universal clipping device can comprise: base plate 210 is used for support product to be detected; The first blend stop 220 is fixed in base plate 210, is used for fixing described product to be detected; And second blend stop 230, be movably connected on base plate 210, and by adjusting the position of the second blend stop 230, so that product to be detected is fixed between the first blend stop 220 and the second blend stop 230.Wherein, the second blend stop 230 can be connected with base plate 210 magnetic.
Specifically, base plate 210 can adopt permanent magnetic material, and the material of the second blend stop 230 can be ferrimagnet, is connected so that the second blend stop 230 can attract each other under magnetic action with base plate 210.In other embodiment, base plate 210 also can adopt ferrimagnet, and the second blend stop 230 adopts permanent magnetic material.
In concrete embodiment, described ferrimagnet can adopt but be not limited to iron or cobalt or nickel or comprise one or more material in iron, nickel, the cobalt, described permanent magnetic material can but be not limited to adopt: Alni (AlNi (Co)), siderochrome magnet (FeCr (Co)), Fe Cr Mo alloy (FeCrMo), iron aluminium carbon alloy (FeAlC) etc.It should be appreciated by those skilled in the art that in each embodiment, can select according to actual needs the concrete kind of ferromagnetic material and permanent magnetic material, its kind does not cause restriction to thinking of the present utility model.
Wherein, with reference to figure 2, on the base plate 210 leaking hole 201 can be set, be used for discharging the water that is deposited on the described universal clipping device, thereby effectively prevent since water be deposited in cause above the product not fogging clear, and because the problem that occurs easily during the accumulation of water causes that water is poured in the test cavity etc. the existing clamping device of a series of employings.In addition, this leaking hole 201 also can be used for discharging other liquid that is deposited on the base plate, thereby avoids liquid may treat erosion or other reaction that testing product causes, and can carry out C-SAM to product better and detect.Particularly, the position of leaking hole 201 and size, shape can require concrete the setting according to actual production.For example, leaking hole 201 can be set around base plate 210, also can leaking hole 201 be set in the product zone that is used for the placement product.
In embodiment, for example when granular product being carried out the C-SAM detection, with reference to figure 3, width according to product to be detected, the second blend stop 430 is placed between the first blend stop 420, be some subregions with the region separation of placing product, so that each subregion is complementary with described chip to be detected on width.With each chip to be detected be sequentially arranged in by the first blend stop 420 and the second blend stop 430 is that surround or the subregion that surrounded by the second blend stop 430 in.
Again for example, when strip-shaped product being carried out the C-SAM detection, with reference to figure 4, product to be detected is positioned on the base plate 510 near the first blend stop 420, and the second blend stop 430 is positioned over the edge of product to be detected, thereby product to be detected is fixed between the first blend stop 520 and the second blend stop 530.
In above-mentioned each embodiment, because the second blend stop is connected with base plate magnetic, therefore can adjust the size of the subregion divided according to the concrete shape of chip to be detected and size, so that each chip to be detected can be neat be placed on the base plate, and utilize fully the useful space on the base plate to carry out C-SAM and detect.In addition, owing to be provided with for leaking hole that discharge to pile up liquid on the base plate, thereby can effectively prevent because that liquid buildup causes is not fogging clear, and avoid liquid to treat testing product and test the harmful effect that cavity causes.Above-mentioned universal clipping apparatus structure is simple, easy to make, and cost is lower, is convenient to widely promotion and application.
Those skilled in the art will be understood that, in the respective embodiments described above, the specific implementations such as kind such as the connected mode of the first blend stop and base plate, the permanent magnetic material that adopts and ferrimagnet do not cause restriction to the design of the utility model universal clipping device, can adopt during above-mentioned each technique realizes but are not limited to existing common process.
Although the utility model with preferred embodiment openly as above; but it is not to limit the utility model; any those skilled in the art are not within breaking away from spirit and scope of the present utility model; can utilize the technology contents of above-mentioned announcement that technical solutions of the utility model are made possible change and modification; therefore; every content that does not break away from technical solutions of the utility model; to any simple modification, equivalent variations and modification that above embodiment does, all belong to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.

Claims (3)

1. a universal clipping device is characterized in that, comprises at least: adopt the base plate of permanent magnetic material or ferrimagnet, be used for support product to be detected; The first blend stop is fixed in described base plate, is used for fixing described product to be detected; And the second blend stop that is complementary with described base plate, magnetic is connected in described base plate, and by adjusting the position of described the second blend stop, so that product to be detected is fixed between described the first blend stop and described the second blend stop.
2. universal clipping device as claimed in claim 1 is characterized in that, described the second blend stop and described base plate are complementary and comprise: described base plate adopts permanent magnetic material, and described the second blend stop adopts ferrimagnet; Perhaps described second baffle adopts permanent magnetic material, and described base plate adopts ferrimagnet.
3. universal clipping device as claimed in claim 1 is characterized in that, on the described base plate leaking hole is set, and is used for discharging the liquid that is deposited on the described universal clipping device.
CN 201220116238 2012-03-23 2012-03-23 Universal clamping device Expired - Lifetime CN202649178U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220116238 CN202649178U (en) 2012-03-23 2012-03-23 Universal clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220116238 CN202649178U (en) 2012-03-23 2012-03-23 Universal clamping device

Publications (1)

Publication Number Publication Date
CN202649178U true CN202649178U (en) 2013-01-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106078565A (en) * 2016-08-11 2016-11-09 菲舍尔航空部件(镇江)有限公司 Ultrasonic C-Scan instrument clamps
CN112284994A (en) * 2020-09-29 2021-01-29 济南兰光机电技术有限公司 Gas permeation testing system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106078565A (en) * 2016-08-11 2016-11-09 菲舍尔航空部件(镇江)有限公司 Ultrasonic C-Scan instrument clamps
CN112284994A (en) * 2020-09-29 2021-01-29 济南兰光机电技术有限公司 Gas permeation testing system and method

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CX01 Expiry of patent term

Granted publication date: 20130102

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