Definitions for "Microvia"
Usually defined as a conductive hole with a diameter of 0.005” or less that connects layers of a multi-layer PCB. Often used to refer to any small geometry connection holes created by laser drilling.
A via used to make connection between two adjacent layers, typically less than 6 mils in diameter. May be formed by laser ablation, plasma etching or photo processing.
Usually defined as a conductive hole with a diameter of 0.006 in or less that connects layers of a multilayer PCB. Often used to refer to any small geometry connecting hole the creation of which is beyond the tradition practical drilling capabilities.