| 摘要 |
PURPOSE:To provide a head for magnetophoresis display which enhances printing quality and magnetic efficiency and has good workability and assembling quality. CONSTITUTION:This head for magnetophoresis display has a coil bobbin 4 which is wound with a coil 12 for exciting a magnetic core 14, a yoke 2 which has a holding means (holder plate 10) for holding this coil bobbin in its rear surface part, a base yoke 6 which is mounted with the magnetic core and is joined to the yoke and a wiring member (flexible cable 8) which is connected to a coil terminal 22 penetrated with the coil bobbin on the rear surface side of this base yoke. The coil bobbin is held and positioned by the holding means and the magnetic core mounted at the base yoke is positioned by the coil bobbin. |
