LED flip-chip testing machine and testing method
A LED chip and chip testing technology, which is applied in the direction of single semiconductor device testing, etc., can solve the problems that cannot reflect the advantages and disadvantages of the flip-chip LED chip process, cannot provide the basis for light and color separation of test data, and flip-chip LED chips cannot provide objective and reliable testing. Data and other issues, to achieve high utilization, low equipment cost, high selectivity and flexibility
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[0026] Such as figure 1 Shown is a schematic diagram of the structure of a traditional front-mounted LED chip testing machine. A flip-chip LED chip testing machine created by the present invention is formed by refitting the traditional front-mounted LED chip testing machine. Such as Figure 2-5 Shown is the testing machine created by the present invention, the flip-chip LED chip testing machine includes a chip loading device, a chip testing device and a flat solar panel 11, the chip testing device includes a probe 9, the contact direction of the probe 9 is downward, and the probe The needle 9 is used to connect the electrode of the LED chip to be tested to make the LED chip emit light; the chip loading device includes a working disc 6 for placing the flip-chip LED chip 8 to be tested and an XYZ three-axis driving device 1, and a support is provided under the working disc 6 The working disk 6 is connected to the XYZ three-axis driving device 1 through the supporting part. The ...
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