| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inkjet ink which makes it possible to form a polyimide film exhibiting good adhesion to a substrate, in particular, in printed wiring board applications or semiconductor applications. <P>SOLUTION: The inkjet ink contains at least one kind of compound (A) selected from the group consisting of amide acid derivatives (A1) having a skeleton represented by formula (1) and imidized materials (A2) of the derivatives (A1). In the formula (1), R<SP POS="POST">1</SP>, R<SP POS="POST">2</SP>, R<SP POS="POST">3</SP>and R<SP POS="POST">4</SP>are each independently hydrogen or 1C-10C alkyl. <P>COPYRIGHT: (C)2012,JPO&INPIT |
