| 摘要 |
1,243,577. Magnetic heads. W. BOGEN. 15 May, 1969 [16 May, 1968], No. 24807/69. Heading G5R. [Also in Division B3] A magnetic head includes a metal casing 2 made in one or more parts by extrusion or deepdrawing, with recesses for reception of the. head core 1 so machined as to lie in the direction of grain flow of the metal. This is said to improve the stability of the head. The casing parts are joined together at 3 by soldering or laser spotwelding. |
