54Pin 0.85 pitch CMOS image sensor chip test socket Mass test
1. Actual requirements:
1.Package: LGA54 package
2. Number of Pins: 54
3. Number of grounding connections: 0pin
4. Chip type: CMOS image sensing chip test socket
5. Testing requirements: The chip size design needs to be precisely controlled according to its size. Because its shape is a PCB design, its tolerance is relatively large, and it requires multiple debuggings to determine the size of its DUT. Since the test is a batch test, a 1VS9 architecture is required. , which can facilitate quick testing; because the chip is designed as a CMOS image sensor, it needs to open a window for imaging testing; the structure of the chip is relatively responsible, and it needs to be tested accordingly such as air avoidance.
2. Requirements analysis: According to the above requirements, the more difficult part of the design of this chip lies in the appearance design, design ok, matching adjustment, etc.; in terms of electrical properties, there are no special requirements, and only normal pins are required. Just match the corresponding ones;
3. Production: After testing the appearance dimensions and other functions multiple times, after matching and tolerance adjustment, mass production can be started after confirmation;
4. Shipping requirements: After the above test socket is confirmed to be ok, it can be shipped;
