Patent ID: 9081054
Filing Date: 2015-07-14
Classification: G01R,H05K

Abstract:
1. A board assembly comprising: a first board; a second board; and one intermediate water jacket which is sandwiched between the first board and the second board, wherein the intermediate water jacket is in close contact with a first inside main surface of the first board which faces the second board and is in close contact with a second inside main surface of the second board which faces the first board, the assembly comprises: a first outside water jacket which is attached to a first outside main surface of the first board at an opposite side to the first inside main surface; and a second outside water jacket which is attached to a second outside main surface of the second board at an opposite side to the second inside main surface, the first outside water jacket and the first board are fastened by a first bolt to the intermediate water jacket, and the second outside water jacket and the second board are fastened by a second bolt to the intermediate water jacket.