https://www.pcb-hero.com
Layer count: 4 layer
Material: FR4, 1.6mm, high TG +1mil PI, 1 OZ for all layer
Minimum tack: 5 mil
Minimum space(gap): 5 mil
Minimum hole: 0.25mm
Surface finished: ENIG
Panel size: 98228mm/4up
Application: medical device
Characteristics: High TG + 1mil PI, impedance control, IPC Class 3, medical device PCB.
A “medical device main board” is the central circuit board in a medical device that controls its functioning and various features.
“IPC III rigid-flexible PCB” suggests a rigid-flex PCB manufactured according to the standards set by the Association Connecting Electronics Industries (IPC) for reliability and quality.
https://electronicstalk.com/