| 摘要 |
PURPOSE:To etch a printed board rapidly and uniformly, by putting the board in a cartridge tank contg. an etching liquid, putting the tank in a container box and revolving them. CONSTITUTION:The cartridge tank 10 is put in the container box 22 attached to revolving shaft 18 of motor, and the etching liquid 30 is fed in the tank 20 while leaving a part of apace. The printed board 44 is put in a guiding recessed part 42 in the tank 20, and it is closed tightly with a cover 34. The box 22 and the tank 20 of the inner part are revolved by revolution of the shaft 18 by driving motor, to stir the liquid 30 in the tank 20 and to reciprocate the board 44 in the part 42. Printed board is etched in a short time and uniformly by fluidized contact of the board with the liquid 30. |
