Patent ID: 6580143
Filing Date: 2003-06-17
Classification: H01L,H05K

Abstract:
A thin-film circuit substrate comprising:a substrate; an organic insulating film formed on the surface of the substrate; and a metal wiring made of a thin-film metal formed on the organic insulating film; wherein the surface of the organic insulating film is provided with a surface modification layer having a surface modification coefficient (SMC); wherein the SMC=the&it;â€ƒ&it;total&it;â€ƒ&it;number&it;â€ƒ&it;of&it;â€ƒ&it;functional&it;â€ƒ&it;groupsthe&it;â€ƒ&it;total&it;â€ƒ&it;number&it;â€ƒ&it;of&it;â€ƒ&it;C&it;â€ƒ&it;atoms&it;â€ƒ&it;present&it;â€ƒ&it;at&it;â€ƒ&it;the&it;â€ƒsurface&it;â€ƒ&it;of&it;â€ƒ&it;the&it;â€ƒ&it;organic&it;â€ƒ&it;insulating&it;â€ƒ&it;film;andwherein the surface modification coefficient is about 0.1 to 0.5.