Artist's commentary
Hang in There, Kogasa-san 3747
They're called "via holes" or "vias".
There was even protective film applied to the surface, so how could this happen? That was my honest impression. Maybe it rusted or something?
čŞĺăŽćĽé ăŽčĄăăĺ°ĺăăăŤć役ăăŚćăăŚăżăăă¨ăăćĽč¨ćźŤçťă§ăă
ăăă˘çŠ´ăă¨ăăăăăă˘ăă§ăăă
äżčˇăăŁăŤă ă貟ăăăŚăé˘ă§ăăŞăă§ăăăŞăă¨ăŤăťăťăťă¨ăăăŽăçç´ăŞććłă§ăăă
éă§ăĺšăăăă§ăăăďź
They're called "via holes" or "vias".
There was even protective film applied to the surface, so how could this happen? That was my honest impression. Maybe it rusted or something?