The customer has attempt to change the distance to 0.5mm of the 2 PADs, but the PCB manufacture cannot make it because of the annular ring width is too narrow.Please tell me the PAD information of below design in detail. (Actually the customer is wondering if this through holes are designed with smaller diameter than 0.89mm recommended in the drawing.)- Drill hole diameter : - Height of PAD (A) : - Width of PAD (B) : - Thickness of solder resist :