Abstract: A dual magnetic head assembly is provided with asymmetrical crosstalk shielding. One of the heads includes a pair of mu-metal washers sandwiching a copper washer, the stacked washers surrounding the portion of the head including the read-write gap. The washers are enclosed within a copper plated mu-metal cap having a central opening through which the gap-containing portion of the head projects for cooperation with a magnetic medium. The other head is unshielded.
Type:
Grant
Filed:
July 9, 1984
Date of Patent:
January 13, 1987
Assignee:
Microtek Storage Corporation
Inventors:
Warren L. Dalziel, Charles Flanigan, Donald V. Daniels, John S. Lee, James Johnston
Abstract: A magnetic tape storage and drive apparatus in which the tape stored in the cartridge has a ferrule means attached to the lead end of the tape. The associated drive means includes a leader and threading apparatus for the tape and is used with a pair of spherical recording heads and pressure pads to eliminate the need for accurate tape tension control means.
Type:
Grant
Filed:
June 7, 1982
Date of Patent:
October 16, 1984
Assignee:
Microtek Storage Corporation
Inventors:
Warren L. Dalziel, Charles D. Flanigan, John J. Lynott