Ultrasonic cleaning machine for container with cleaning IC (integrated circuit)

Abstract

The utility model discloses an ultrasonic cleaning machine with a container for cleaning an integrated circuit (IC) in the field of semiconductor chip on film (COF) packaging, which comprises an ultrasonic cleaning machine groove, a placing net bag is arranged on the ultrasonic cleaning machine groove, a cleaning container made of plastic materials is arranged in the placing net bag, the cleaning container comprises a circular central grasping block, and the circular central grasping block is provided with a plurality of grooves. Three connecting plates are arranged on the outer edge of the center grabbing block in the circumferential direction at equal intervals, a containing cup is arranged on the outer side of each connecting plate, a supporting column is vertically arranged on the lower side of the center grabbing block, the lower end of the supporting column is flush with the bottom of each containing cup, and a reinforcing assembly is arranged between each containing cup and the supporting column. According to the ultrasonic cleaning device, the IC cleaning efficiency can be improved, hard collision between products and the inner wall of a container during ultrasonic cleaning is avoided, the failure rate of product experiments is effectively reduced, and the product abnormity analysis efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the field of semiconductor COF packaging, and particularly relates to an ultrasonic cleaning machine with a container for cleaning IC. Background Art

[0002] COF is a packaging technology that fixes integrated circuits (ICs) on flexible circuit boards (material strips); in order to detect the performance of the IC, the IC chip needs to be decapped (Decap) tested. In the Decap test, the bumps and pins on the IC chip need to be cleaned with chemicals. In order to clean the residual chemicals on the IC chip, an ultrasonic cleaner is needed to clean the residual chemicals on the IC chip.

[0003] At present, the container used for ultrasonic cleaning of IC after Decap experiment is a glass beaker. A glass beaker is placed in the placement net bag of the cleaning machine, and an IC to be cleaned is placed in the glass beaker. The disadvantages are: a glass beaker can only hold one IC, and the cleaning efficiency is too low; the glass container is relatively hard, and the IC will vibrate continuously in the container during ultrasonic cleaning. The IC collides with the inner wall of the glass beaker, resulting in corner and surface defects, which affects the material phenomenon analysis after the experiment. The cleaning time and ultrasonic frequency can only be reduced, resulting in the product surface cannot be cleaned, and there are pins and other residues, which need to be cleaned again, affecting the authenticity and efficiency of product abnormality analysis. Utility Model Content

[0004] The purpose of the utility model is to provide an ultrasonic cleaning machine with a container for cleaning ICs, which can improve the cleaning efficiency of ICs, avoid hard collisions between products and the inner wall of the container during ultrasonic cleaning, effectively reduce the failure rate of product experiments, and improve the efficiency of product abnormality analysis.

[0005] The purpose of the utility model is achieved as follows: an ultrasonic cleaning machine with a container for cleaning ICs, comprising an ultrasonic cleaning machine tank, a placement net bag is arranged on the ultrasonic cleaning machine tank, a cleaning container made of plastic is arranged in the placement net bag, the cleaning container comprises a circular central gripping block, three connecting plates are arranged at equal intervals along the circumferential direction on the outer edge of the central gripping block, a placement cup is arranged on the outer side of each connecting plate, a support column is vertically arranged on the lower side of the central gripping block, the lower end of the support column is flush with the bottom of each placement cup, and a group of reinforcing components are arranged between each placement cup and the support column.

[0006] When the utility model is used, the central gripping block is grasped to place the entire cleaning container into the placement net bag, water is poured into each placement cup, an IC to be cleaned is placed in each cup, the lower end of the support column and the bottom of each placement cup are supported on the bottom net of the placement net bag, water is put into the ultrasonic cleaning machine tank, so that the water in the machine tank hits the cleaning container and ensures that the cleaning container does not float, and the IC is ultrasonically cleaned. Compared with the prior art, the beneficial effects of the utility model are: it can improve the cleaning efficiency, clean three ICs at a time, and avoid hard collision between IC and the inner wall of the container; it can complete the cleaning of the residue on the surface of the product at a time according to the specified ultrasonic frequency and cleaning time, and can shorten the time of frequent cleaning; it can avoid product incompleteness and sample loss caused by collision between the product and the glass beaker, and improve the efficiency of abnormal analysis.

[0007] As a further improvement of the present invention, the thickness of the central gripping block is 3-5 cm, the support column and the circular central gripping block are coaxially arranged, and the outer diameter of the central gripping block is greater than the outer diameter of the support column.

[0008] In order to improve the connection strength between the placement cup and the connecting plate, the upper end of the placement cup is open, the inner diameter of the placement cup is 4-5cm, a flange is provided on the outer periphery of the placement cup, the flange is fixed to the connecting plate, and a reinforcing rib plate is provided between the left and right sides of the connecting plate and the central gripping block.

[0009] In order to increase the connection strength between the placement cup and the support column and improve the firmness and stability of the cleaning container, the reinforcement component includes a plurality of radial reinforcement rods evenly spaced from top to bottom, and the two ends of the reinforcement rods are respectively connected to the support column and the corresponding placement cup.

[0010] In order to facilitate the positioning and placement of the net bag on the ultrasonic cleaning machine tank, the ultrasonic cleaning machine tank is rectangular, and the net bag is placed in a rectangular shape. The net bag includes four side panels that form a rectangle, and each side panel is arranged corresponding to the inner walls of the ultrasonic cleaning machine tank. A bottom net is arranged at the bottom of each side panel, and a number of through holes are opened on the side panels on the front and rear sides. A horizontal side support plate extending outward is arranged on the top of the side panel, and the four side support plates are respectively supported on the tops of the four side panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 A top view of the ultrasonic cleaning machine tank.

[0012] Figure 2 It is a transverse cross-sectional view of the ultrasonic cleaning machine tank and the net bag.

[0013] Figure 3 It is a longitudinal cross-sectional view of the ultrasonic cleaning machine tank and the net bag.

[0014] Figure 4 A top view of the cleaning container.

[0015] Figure 5 for Figure 4 AA section view.

[0016] Among them, 1 is an ultrasonic cleaning machine tank, 2 is a net bag, 2a is a side plate, 2a1 is a side support plate, 2b is a bottom net, 3 is a center gripping block, 4 is a connecting plate, 5 is a cup placement, 5a is a flange edge, 6 is a support column, 7 is a reinforcing rib plate, 8 is a reinforcing rod, and 9 is a through hole. DETAILED DESCRIPTION

[0017] like Figure 1-5 As shown, an ultrasonic cleaning machine with a container for cleaning ICs comprises an ultrasonic cleaning machine tank 1, on which a net bag 2 is arranged. To facilitate positioning and placing the net bag 2 on the ultrasonic cleaning machine tank 1, the ultrasonic cleaning machine tank 1 is rectangular, and the net bag 2 is rectangular. The net bag 2 comprises four rectangular side panels 2a, each of which is arranged corresponding to the inner wall of the ultrasonic cleaning machine tank 1. A bottom net 2b is arranged at the bottom of each side panel 2a. A plurality of through holes 9 are opened on the side panels 2a at the front and rear sides. a is provided with a horizontal side support plate 2a1 extending outward at the top, and the four side support plates 2a1 are respectively supported on the top of the four side plates 2a; a cleaning container made of plastic is provided in the placement net bag 2, and the cleaning container includes a circular central gripping block 3, and three connecting plates 4 are arranged at equal intervals along the circumferential direction on the outer edge of the central gripping block 3, and a placement cup 5 is provided on the outer side of each connecting plate 4, and a support column 6 is vertically provided on the lower side of the central gripping block 3, and the lower end of the support column 6 is flush with the bottom of each placement cup 5, and a group of reinforcing components is provided between each placement cup 5 and the support column 6.

[0018] The thickness of the central gripping block 3 is 3-5 cm. The support column 6 is coaxially arranged with the circular central gripping block 3 , and the outer diameter of the central gripping block 3 is greater than the outer diameter of the support column 6 .

[0019] In order to improve the connection strength between the placement cup 5 and the connecting plate 4, the upper end of the placement cup 5 is open, the inner diameter of the placement cup 5 is 4-5 cm, the outer periphery of the placement cup 5 is provided with a flange edge 5a, the flange edge 5a is fixed to the connecting plate 4, and a reinforcing rib plate 7 is provided between the left and right sides of the connecting plate 4 and the central gripping block 3. In order to increase the connection strength between the placement cup 5 and the support column 6 and improve the firmness and stability of the cleaning container, the reinforcing assembly includes a plurality of radial reinforcing rods 8 equally spaced from top to bottom, and the two ends of the reinforcing rods 8 are respectively connected to the support column 6 and the corresponding placement cup 5.

[0020] When the utility model is used, the central gripping block 3 is grasped to put the entire cleaning container into the placement net bag 2, water is poured into each placement cup 5, an IC to be cleaned is placed in each cup, the lower end of the support column 6 and the bottom of each placement cup 5 are supported on the bottom net 2b of the placement net bag 2, and water is put into the ultrasonic cleaning machine tank 1, so that the water in the machine tank hits the cleaning container and ensures that the cleaning container does not float, and the IC is ultrasonically cleaned. The utility model can improve the cleaning efficiency, clean three ICs at a time, and avoid hard collision between IC and the inner wall of the container; it can complete the cleaning of the residue on the surface of the product at one time according to the specified ultrasonic frequency and cleaning time, and can shorten the time of frequent cleaning; avoid product incompleteness and sample loss caused by collision between the product and the glass beaker, and improve the efficiency of abnormal analysis; it can shorten the waiting time for analysis after the sample chemical experiment, and the waiting time for abnormal processing analysis is effectively controlled; effectively reduce the cost of chemical experiments, time and experimental costs are effectively controlled, the failure rate of sample experiments is reduced, sample losses are reduced, the efficiency of abnormal analysis is improved, and production efficiency is increased.

[0021] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. An ultrasonic cleaning machine with a container for cleaning ICs, comprising an ultrasonic cleaning machine tank, on which a net bag is arranged, characterized in that: A cleaning container made of plastic is arranged in the placement net bag, and the cleaning container includes a circular central gripping block, and three connecting plates are arranged at equal intervals along the circumferential direction on the outer edge of the central gripping block, and a placement cup is arranged on the outer side of each connecting plate. A support column is vertically arranged on the lower side of the central gripping block, and the lower end of the support column is flush with the bottom of each placement cup, and a group of reinforcing components is arranged between each placement cup and the support column.

2. The ultrasonic cleaning machine with a container for cleaning IC according to claim 1, characterized in that: The thickness of the central gripping block is 3-5 cm, the support column is coaxially arranged with the circular central gripping block, and the outer diameter of the central gripping block is greater than the outer diameter of the support column.

3. An ultrasonic cleaning machine with a container for cleaning ICs according to claim 1 or 2, characterized in that: The upper end of the placement cup is open, the inner diameter of the placement cup is 4-5cm, a flange is arranged on the periphery of the placement cup, the flange is fixed to the connecting plate, and a reinforcing rib plate is arranged between the left and right sides of the connecting plate and the central gripping block.

4. An ultrasonic cleaning machine with a container for cleaning ICs according to claim 1 or 2, characterized in that: The reinforcing assembly comprises a plurality of radial reinforcing rods which are evenly spaced from top to bottom, and two ends of the reinforcing rods are respectively connected to the supporting columns and the corresponding placement cups.

5. An ultrasonic cleaning machine with a container for cleaning ICs according to claim 1 or 2, characterized in that: The ultrasonic cleaning machine tank is rectangular, and the net bag is rectangular. The net bag includes four side panels that form a rectangle. Each side panel is arranged corresponding to the inner walls of the ultrasonic cleaning machine tank. A bottom net is arranged at the bottom of each side panel. Several through holes are opened on the side panels on the front and rear sides. A horizontal side support plate extending outward is arranged on the top of the side panel, and the four side support plates are respectively supported on the tops of the four side panels.

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