Magnetic head and magnetic recording/reproducing apparatus

A magnetic head having an azimuth angle comprising:

• magnetic core halves, each comprising at least one magnetic film made of a soft magnetic metallic material and a pair of substrates sandwiching the magnetic film, arranged so that end faces thereof oppose each other with a magnetic gap being formed therebetween to form a magnetic path by the magnetic film in each of the magnetic core halves,
• wherein at least a part of a sliding surface of each substrate with respect to a magnetic tape is made of a non-magnetic single crystal ferrite material,
• a crystal face orientation of the non-magnetic single crystal ferrite material at the sliding surface is approximately {110}, and
• a <100> direction of the non-magnetic single crystal ferrite material is approximately in parallel with a sliding direction of the magnetic head with respect to the magnetic tape.

A magnetic recording/reproducing apparatus comprising:

• a rotary drum unit having a magnetic head comprising:
• two magnetic core halves, each comprising at least one magnetic film made of a soft magnetic metallic material and a pair of substrates sandwiching the magnetic film, arranged so that end faces thereof oppose each other with a magnetic gap being formed therebetween to form a magnetic path by the magnetic film in each of the magnetic core halves.
• wherein at least a part of a sliding surface of each substrate with respect to a magnetic tape is made of a non-magnetic single crystal ferrite material,
• a crystal face orientation of the non-magnetic single crystal ferrite material at the sliding surface is approximately {110}, and
• a<110> direction of the non-magnetic single crustal ferrite material is approximately in parallel with a sliding direction of the magnetic head with respect to the magnetic tape, and
• a guide and contact mechanism for guiding a magnetic tape into the rotary drum unit and keeping the magnetic tape in contact with outer peripheral surfaces of a fixed drum and a rotary drum.

A magnetic recording/reproducing apparatus comprising:

• a rotary drum unit having a magnetic head having an azimuth angle comprising:
• magnetic core halves each comprising at least one magnetic film made of a soft magnetic metallic material and a pair of substrates sandwiching the magnetic film, arranged so that end faces thereof oppose each other with a magnetic gap being formed therebetween to form a magnetic path by the magnetic film in each of the magnetic core halves,
• wherein at least a part of a sliding surface of each substrate with respect to a magnetic tape is made of a non-magnetic single crystal ferrite material,
• a crystal face orientation of the non-magnetic single crystal ferrite material at the sliding surface is approximately {110}, and
• a <100> direction of the non-magnetic singe crystal ferrite material is approximately in parallel with a sliding direction of the magnetic head with respect to the magnetic tape, and
• a guide and contact mechanism for guiding a magnetic tape into the rotary drum unit and keeping the magnetic tape in contact with outer peripheral surfaces of a fixed drum and a rotary drum.

A magnetic recording/reproducing apparatus comprising:

• a rotary drum unit having a combination-type magnetic head comprising:
• a head base;
• a first magnetic head comprising:
• two Magnetic core halves, each comprising at least one magnetic film made of a soft magnetic metallic material and a pair of substrates sandwiching the magnetic film, arranged so that end faces thereof oppose each other with a magnetic gap being formed therebetween to form a magnetic path by the magnetic film in each of the magnetic core halves,
• wherein at least a part of a sliding surface of each substrate with respect to a magnetic tape is made of a non-magnetic single crystal ferrite material,
• a crystal face orientation of the non-magnetic single crystal ferrite material at the sliding surface is approximately {110}, and
• a <110> direction of the non-magnetic single crystal ferrite material is approximately in parallel with a sliding direction of the magnetic head with respect to the magnetic tape;
• and
• a second magnetic head having an azimuth angle comprising:
• magnetic core halves, each comprising at least one magnetic film made of a soft magnetic metallic material and a pair of substrates sandwiching the magnetic film, arranged so that end faces thereof oppose each other with a magnetic gap being formed therebetween to form a magnetic path by the magnetic film in each of the magnetic core halves,
• wherein at least a part of a sliding surface of each substrate with respect to a magnetic tape is made of a non-magnetic singe crystal ferrite material,
• a crystal face orientation of the non-magnetic single crystal ferrite material at the sliding surface is approximately {110}, and
• a <100> direction of the non-magnetic single crystal ferrite material is approximately in parallel with a sliding direction of the magnetic head with respect to the magnetic tape;
• the first and second magnetic heads being mounted on said head base, and
• a guide and contact mechanism for guiding a magnetic tape into the rotary drum unit and keeping the magnetic tape in contact with outer peripheral surfaces of a fixed drum and a rotary drum.

A combination-type magnetic head comprising:

• a head base;
• a fist magnetic head comprising:
• two magnetic core halves, each comprising at least one magnetic film made of a soft magnetic metallic material and a pair of substrates sandwiching the magnetic film, arranged so that end faces thereof oppose each other with a magnetic gap being formed therebetween to form a magnetic path by the magnetic film in each of the magnetic core halves,
• wherein at least a-part of a sliding surface of each substrate with respect to a magnetic tape is made of a non-magnetic single crystal ferrite material,
• a crystal face orientation of the non-magnetic single crystal ferrite material at the sliding surface is approximately {110}, and
• a <110> direction of the non-magnetic single crystal ferrite material is approximately in parallel with a sliding direction of the magnetic head with respect to the magnetic tape;
• and
• a second magnetic head having an azimuth angle comprising:
• magnetic core halves, each comprising at least one magnetic film made of a soft magnetic metallic material and a pair of substrates sandwiching the magnetic film, arranged so that end faces thereof oppose each other with a magnetic gap being formed therebetween to form a magnetic path by the magnetic film in each of the magnetic core halves,
• wherein at least a part of a sliding surface of each substrate with respect to a magnetic tape is made of a non-magnetic single crystal ferrite material,
• a crystal face orientation of the non-magnetic single crystal ferrite material at the sliding surface is approximately {110}, and
• a <100> direction of the non-magnetic single crystal ferrite material is approximately in parallel with a sliding direction of the magnetic head with respect to the magnetic tape;
• the first and second magnetic heads being mounted on said head base.