| 摘要 |
An USB application device includes a casing having a top wall, a bottom wall, a fixing wall extended from the top wall and towards the bottom wall and an opening formed between the bottom wall and a bottom edge of the fixing wall, a PCB having a top surface, a bottom surface, a front end portion and a rear end portion, contacts disposed on the top surface of the front end portion, and an IC having a printed surface, and fixed on the second surface of a portion of the PCB and between the front and rear end portions. The IC and the portion of the PCB are sandwiched in the opening of the casing. The printed surface of the IC contacts an inner surface of the bottom wall of the casing. The bottom edge of the fixing wall contacts the top surface of the portion of the PCB.
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