ARRAY ANTENNA, METHOD FOR PRODUCING SAME, AND LIQUID CRYSTAL ALIGNING AGENT FOR ARRAY ANTENNA
申请人:JSR CORPORATION
公开号:US20200286923A1
公开(公告)日:2020-09-10
This array antenna
10
comprises a plurality of antenna units
11
. This array antenna
10
is provided with a patch substrate
12
, a slotted substrate
13
and a liquid crystal layer
14
. At least one of the patch substrate
12
and the slotted substrate
13
is provided with a liquid crystal alignment film
22, 23
on the liquid crystal layer
14
side. The liquid crystal alignment film
22, 23
is formed using a polymer composition that contains a compound (M) which has at least one structure selected from the group consisting of partial structures represented by formula (1) and nitrogen-containing heterocyclic rings (in formula (1), R1 represents a hydrogen atom or a monovalent organic group having 1-10 carbon atoms; and each of R2 and R3 independently represents a divalent organic group, provided that the R2 and R3 moieties are not aromatic ring groups at the same time).