| abstract |
PROBLEM TO BE SOLVED: To provide an insulating film forming composition having good film characteristics such as dielectric constant and mechanical strength used for electronic devices, etc., a novel polymer useful for the composition, and an insulating film obtained by using the composition, and An electronic device having the same is provided. A polymer obtained by polymerizing a compound having a cage structure having 11 or more carbon atoms and an ethylenic double bond in the presence of a polymerization initiator, and a film-forming composition containing the polymer , Insulating film and electronic device using it. [Selection figure] None |