Ladas & Parry LLP
Precursor for polyimide and use thereof
The present invention provides an amic acid ester oligomer having a structure of Formula (1) or (1′):     
ETERNAL MATERIALS CO., LTD.
C C C G C C G G
C08G C09D C08G G03F C08G C08G G03F G03F
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Chang-Hong Chung-Kai Meng-Yen Shun-Jen Chung-Jen Po-Yu
Ho Cheng Chou Chiang Wu Huang