| 摘要 |
A printed article comprises: first 61 and second 62 sheets and a circuit board 17 interposed between the first 61 and second 62 sheets; the circuit board 17 supports a coin cell holder 16 adjacent to the second sheet 62; the second sheet 62 has a slit arranged to form a flap 13 over the coin cell holder; the flap allows access to the coin cell holder to allow replacement of the battery 15; the sheets are preferably fiber based material such as card and the first sheet may include conductive tracks. |
