Probe card fixing jig

Abstract

The utility model relates to a probe card fixing jig which comprises a fixing base, the left side and the right side of the fixing base are respectively connected with a first supporting block and a second supporting block, and the first supporting block and the second supporting block are connected with a fixing assembly used for positioning and fixing a product. According to the utility model, stability can be improved.

Description

Technical Field

[0001] The utility model relates to a probe card fixing fixture. Background Art

[0002] A probe card is a component used to achieve electrical connection between a tester and a wafer. The probes on the probe card directly contact the tin pads or bumps on the wafer to draw out electrical signals, which are then measured with the tester. The number of probes on a probe card ranges from a few to hundreds. The larger the number, the more expensive the probe card. The service life of a probe card is generally more than 10 million times, so a new probe card requires multiple maintenance from the time it is put into use to the time it is scrapped. The probe card needs to be tested before use to ensure its accuracy, and a fixture is needed to fix the probe card during the test.

[0003] After searching, the patent: A probe card fixing fixture (CN202321755185.8), including a reinforcing ring bracket, two fixing blocks and a bottom plate; the reinforcing ring bracket is used to be fixedly connected to the probe card, the two fixing blocks are fixedly installed on one side of the reinforcing ring bracket, and are threadedly connected to the reinforcing ring bracket, and the bottom plate is installed on the side surface of the two fixing blocks away from the reinforcing ring bracket. The above structure has poor installation stability and cannot achieve a good stable fixing effect, thus affecting operation.

[0004] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create a new structure of the probe card fixing fixture to make it more valuable for industrial use. Utility Model Content

[0005] In order to solve the above technical problems, the purpose of the utility model is to provide a probe card fixing fixture.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A probe card fixing fixture comprises a fixing base, wherein a first supporting block and a second supporting block are connected to the left and right sides of the fixing base respectively, and a fixing component for positioning and fixing a product is connected to the first supporting block and the second supporting block;

[0008] The fixing assembly includes an outer fixing ring and an inner fixing ring, the inner fixing ring is located inside the outer fixing ring and the two form a circular ring structure, the top surface height of the outer fixing ring is equal to the top surface height of the inner fixing ring, a plurality of support rods are connected between the inner fixing ring and the outer fixing ring, the top surface of each support rod is arranged in the same plane as the top surface of the inner fixing ring, a positioning column is connected to the support rod, a pair of symmetrically distributed tightening rods are connected to the central axis of the outer fixing ring, and a clamping block for clamping the product is connected to one end of the tightening rod.

[0009] Preferably, for the described probe card fixing fixture, a plurality of adjusting holes are provided on the support rod, and the positioning post is connected to the positioning hole.

[0010] Preferably, for the described probe card fixing fixture, the positioning post is screwed onto the adjusting hole.

[0011] Preferably, for the described probe card fixing fixture, the tightening rod is arranged along the horizontal central axis and / or the vertical central axis of the outer fixing ring.

[0012] Preferably, for the described probe card fixing fixture, the tightening rod is screwed onto the outer fixing ring.

[0013] Preferably, for the described probe card fixing fixture, the clamping block has an L-shaped structure. The horizontal end of the L-shaped clamping block is located at the bottom of the product, and its vertical end is in contact with the product.

[0014] Preferably, for the described probe card fixing fixture, a rubber cushion block is connected to the clamping block.

[0015] By means of the above solution, the present utility model has at least the following advantages:

[0016] The present utility model can achieve rapid fixation of the product, improve stability and at the same time improve work efficiency.

[0017] The above description is only an overview of the technical solution of the present utility model. In order to be able to understand the technical means of the present utility model more clearly and implement it according to the content of the description, the following takes the preferred embodiments of the present utility model and combines the accompanying drawings to describe in detail as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the accompanying drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a top view of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the following will clearly and completely describe the technical solutions in the embodiments of this application with reference to the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are some, but not all, of the embodiments of this application. Components of the embodiments of this application usually described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of this application claimed, but merely represents selected embodiments of this application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in this application without creative efforts fall within the scope of protection of this application.

[0023] Embodiment

[0024] As Figure 1 and Figure 2 shown, a probe card fixing jig includes a fixed base 1. A first support block 2 and a second support block are respectively connected to the left and right sides of the fixed base 1. A fixing component 3 for positioning and fixing a product is connected to the first support block 2 and the second support block.

[0025] The fixing component 3 includes an outer fixing ring 31 and an inner fixing ring 32. The inner fixing ring 32 is located inside the outer fixing ring 31 and the two form an annular structure. The top surface height of the outer fixing ring 31 is equal to the top surface height of the inner fixing ring 32. A plurality of support rods 33 are connected between the inner fixing ring 32 and the outer fixing ring 31. The top surface of each support rod 33 is arranged in the same plane as the top surface of the inner fixing ring 32. A positioning post 34 is connected to the support rod 33. A pair of symmetrically distributed tightening rods 36 are connected to the central axis of the outer fixing ring 31. A clamping block 37 for clamping the product is connected to one end of the tightening rod 36.

[0026] In this utility model, a plurality of adjustment holes 35 are provided on the support rod 33. The positioning post 34 is connected to a positioning hole. Among them, the positioning post 34 is screwed onto the adjustment hole 35.

[0027] In this utility model, the tightening rod 36 is arranged along the horizontal central axis and / or the vertical central axis of the outer fixing ring 31. It can be installed on the horizontal central axis, or on the vertical central axis, or both at the same time. This utility model adopts the method of installing both at the same time, so the fixing is more stable.

[0028] In this utility model, the tightening rod 36 is screwed onto the outer fixing ring 31.

[0029] In the present utility model, the clamping block 37 has an L-shaped structure. The horizontal end of the L-shaped clamping block 37 is located at the bottom of the product, and its vertical end is in contact with the product. A rubber cushion block is connected to the clamping block 37.

[0030] The working principle of the present utility model is as follows:

[0031] During specific operation, first adjust the position of the fixed column. After the adjustment is completed, place the product on the annular fixing assembly composed of an outer fixing ring and an inner fixing ring, and then drive the clamping block through the tightening rod to clamp different parts of the product, thereby ensuring the stability of the product.

[0032] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0033] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this application is usually placed during use. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application. In addition, the terms "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0034] In addition, the terms "horizontal", "vertical", etc. do not mean that the components are required to be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0035] In the description of the present application, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0036] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. It should be pointed out that for those of ordinary skill in the art in the technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A probe card fixing fixture, characterized in that: It includes a fixed base (1), a first support block (2) and a second support block are respectively connected to the left side and the right side of the fixed base (1), and a fixing component (3) for positioning and fixing a product is connected to the first support block (2) and the second support block; The fixing component (3) includes an outer fixing ring (31) and an inner fixing ring (32). The inner fixing ring (32) is located inside the outer fixing ring (31) and the two form an annular structure. The top surface height of the outer fixing ring (31) is equal to the top surface height of the inner fixing ring (32). A plurality of support rods (33) are connected between the inner fixing ring (32) and the outer fixing ring (31). The top surface of each support rod (33) is arranged in the same plane as the top surface of the inner fixing ring (32). A positioning post (34) is connected to the support rod (33). A pair of symmetrically distributed tightening rods (36) are connected to the central axis of the outer fixing ring (31), and a clamping block (37) for clamping the product is connected to one end of the tightening rod (36).

2. The probe card fixing fixture according to claim 1, wherein: A plurality of adjusting holes (35) are formed in the support rod (33), and the positioning post (34) is connected to a positioning hole.

3. The probe card fixing fixture according to claim 1 or 2, characterized in that: The positioning post (34) is screwed onto the adjusting hole (35).

4. A probe card fixing jig according to claim 1, wherein: The tightening rod (36) is arranged along the horizontal central axis and / or the vertical central axis of the outer fixing ring (31).

5. The probe card fixing fixture according to claim 1, wherein: The tightening rod (36) is screwed onto the outer fixing ring (31).

6. The probe card fixing jig according to claim 1, characterized in that: The clamping block (37) has an L-shaped structure. The horizontal end of the L-shaped clamping block (37) is located at the bottom of the product, and its vertical end is in contact with the product.

7. The probe card fixing fixture according to claim 1 or 6, characterized in that: A rubber cushion block is connected to the clamping block (37).

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