| 摘要 |
The switch device (1) comprises a pair of cavities (51, 52), an elongate passage (2), a non-conductive fluid (53, 54) having a high electrical resistance, a conductive fluid (11, 12, 13) having a high electrical conductivity and an electrical path (e.g., 31, 32). The passage is in fluid communication with the cavities and has a substantially elliptical cross-section over at least part of its length. The non-conductive fluid is disposed in each of the cavities. The conductive fluid is located in the passage. The electrical path is changeable between a connected state and a disconnected state by the non-conductive fluid (e.g., 53) separating the conductive fluid (12, 13) in the passage into non-contiguous conductive fluid portions (12 and 13). |
