The IPC-A-610 standard is the most widely referenced inspection standard in the electronics assembly industry. Officially titled "Acceptability of Electronic Assemblies," it defines the visual acceptance criteria for electronic components mounted o...
https://www.pcb-assembly-services.com/pcb-assembly-tech-design/how-to-read-an-ipc-a-610-standard-for-electronic-assemblies/
You can't fly to Shenzhen every time you need to qualify a new PCB assembly supplier. Maybe you don't have the budget for a factory audit. Maybe the lead time doesn't allow for it. Maybe you're working with three potential vendors simultaneously an...
https://www.pcb-assembly-services.com/low-volume-pcb-manufacturer-china/how-to-vet-a-pcb-assembly-services-provider-remotely/