What is the difference between through-hole, blind via, buried via, and land? Regarding the through-hole, blind via, buried via, and land, this article will explain the information below. Difference Between Through-hole, Blind Via, Buried Via, and Land Through-hole First, let us discuss through holes. A through-hole is a hole where the inner surface of a substrate hole is copper plated and electrically connected. There are two types of through holes as follows。 Through-hole for electronic componentsHoles through which terminals of electronic components are inserted for solderingVia holeA hole for the purpose of conduction between layers of a substrate pattern Next, ...