S-VHS VTR用薄膜積層ヘッド

概要

論文の詳細を見る
We have developed thin film laminated head for high density recording. Magnetic core of this head is formed by electron-beam evaporated method on a slope which is processed V-shaped groove for non-magnetic substrate. Output at low frequency is over 4dB in comparison with ferrite head and rubbing noise is about 0 dB. This head is higher productivity than parallel type thin film laminated head by V-shaped groove processing at one block. Electron-beam evaporated technology was established and substrate materials was suitable selected. It has been achieved that C/N ratio is over 2.4dB at 1MHz and over 4.5dB at 7MHz in comparison with ferrite head.
社団法人映像情報メディア学会の論文
1991-10-18