Usibye insinga kuri substrate, gutwikira ibyuma niho insinga ya substrate isudira kubikoresho bya elegitoronike. Byongeye kandi, ibyuma bitandukanye nabyo bifite bitandukanye
ibiciro, bitandukanye bizagira ingaruka zitaziguye kubiciro byumusaruro; Ibyuma bitandukanye nabyo bifite gusudira bitandukanye, guhuza, hamwe nindangagaciro zo kurwanya, bizagira ingaruka kumikorere yibigize.

Ibisanzwe bisanzwe ni:
Umuringa ；
Tin ；

Ubunini buri hagati ya cm 5 na 15 Kurongora-amabati (cyangwa amabati y'umuringa).
Ni ukuvuga, ugurisha, mubusanzwe metero 5 kugeza kuri 25 z'ubugari, hamwe namabati agera kuri 63%.

zahabu ； Mubisanzwe bizashyirwa gusa kuri interineti.

Ifeza ； Mubisanzwe bizashyirwa gusa kuri interineti, cyangwa byose nabyo bivanze na feza.