a novel polyimide as a high molecular weight material having a low dielectric constant , a low dielectric loss tangent and low water absorptivity , a polyamic acid capable of generating the above polyimide , the above polyimide and the polyamic acid being obtained by reacting an aromatic diamine , obtained by introducing aromatic amino groups into both terminals of a specific bifunctional phenylene ether oligomer , with an acid anhydride , a process for the production of the polyimide , a process for the production of the polyimide , a film of the polyimide , and a laminate comprising the above film .