UNDERWATER REMOTE INVESTIGATION DEVICE, AND UNDERWATER REMOTE INVESTIGATION METHOD

摘要

PPROBLEM TO BE SOLVED: To provide an underwater remote investigation device capable of preventing the leakage of an etching solution and capable of shortening the execution time of etching. PSOLUTION: The underwater remote investigation device 1 is equipped with the etching device 2 and magnifying observation device 15 attached to a support member 20. A cathode 5, an anode 6 and a seal device 9 are provided to the chamber 3 of the etching device 2, and an etching solution supply pipe 7 and an etching solution discharge pipe 8 are connected. The annular seal members 10A and 10B of the seal device 9 are provided to the leading end part of the chamber 3. The suction passage 11 formed in the side wall of the chamber 3 is allowed to communicate with the seal region 13 formed between the seal members 10A and 10B. In the magnifying observation device 15, a magnifying camera 16 is installed in a waterproof container 17 and a plurality of LED lights 19 are installed on the waterproof container 17. PCOPYRIGHT: (C)2011,JPO&INPIT