![](https://p.potaufeu.asahi.com/c956-p/picture/28660879/d494eafe1592281134cd2286f956eb1c.jpg)
Researchers laser-drill tiniest 3-micron holes on circuit boards
As demand for next-generation semiconductor chips grows, a team of researchers has succeeded in laser-drilling the world's tiniest circuit board holes, measuring a near-inconceivable 3 micrometers in diameter. The standard measurement is a …