China 1-40layer PCB/PCBA/EMS/OEM
One stop contract Manufacturing facility
One stop contract Manufacturing facility
+8613798543496
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Problem Description: The silver layer is not deposited on the patch position, IC pad and BGA position where silver deposition is required. Acceptable standards: 1. Blackening of the patch position, IC pad and BGA position is not acceptable; 2. Slight blackening of the screw holes in the attached figure is acceptable. |
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Problem Description: The PAD may appear black, gray, red, or yellow. Acceptable standards: Silver surface that turns yellow is not acceptable. |
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Problem Description: The silver surface is dark or partially white. Acceptable standards: 1. Slightly off-white is acceptable; 2. Severely off-white is not acceptable. |
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Problem Description: The silver layer is not deposited on the patch position, IC pad and BGA position where silver deposition is required. Acceptable standards: BGA position missing plating is not acceptable. |
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Problem Description: The silver layer is not deposited on the patch position, IC pad and BGA position where silver deposition is required. Acceptable standards: Rough pads are not acceptable. |
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Problem Description: After silver immersion, the silver surface turns red, causing the thickness to fail to meet the MI requirements. Acceptable standards: 1. Slight redness is acceptable; 2. Severe redness is not acceptable. |
Since 1996, POE has become a globally renowned PCB company, providing small to medium volume PCB/ PCBA manufacturing services.
