Magnetic transducer head

A magnetic transducer head comprising

• (a) a composite magnetic core having first and second composite magnetic core parts with respective planar confronting surfaces secured in close confronting relationship with each other, with an interface region therebetween defining an interface plane of the composite magnetic core, said composite magnetic core having a transducer head record contacting surface for engagment with a magnetic record medium, and having a transducer head coupling gap at the interface region between the planar confronting surfaces of the composite magnetic core parts for coupling of the composite magnetic core with a portion of a magnetic record medium at said record contacting surface,
• (b) said first and second composite magnetic core parts having respective ferrite magnetic core elements and having notch configuration receiving respective magnetic pole piece layers of metallic magnetic material integrated with the respective ferrite magnetic core elements, the respective magnetic pole piece layers being disposed obliquely to the respective planar confronting surfaces of the composite magnetic core parts and having respective record confronting edges facing substantially flush with the record contacting surface, said record confronting edges being arranged substantially in a common straight line on said record contact surface and having respective gap defining pole piece edges at opposite sides of the interface region and defining the transducer head coupling gap,
• (c) The notch configurations of the respective core parts, as viewed at the record contacting surface, having first notch defining surfaces extending obliquely from the respective planar confronting surfaces of the respective core parts along a side of each respective one of the magnetic pole piece layers of metallic magnetic material in close conforming relation thereto, and having further notch defining surfaces forming extensions of the first notch defining surfaces which extend from the respective first notch defining surfaces and include respective lateral extremities laterally outwardly of the respective first notch defining surfaces, said lateral extremities of said further notch defining surfaces being located out of said record contacting surface,
• (d) said composite magnetic core having core lateral sides defining a core thickness dimension substantially greater than the width of the record contacting surface, the further notch defining surfaces having respective intermediate bends between the respective first notch defining surfaces and the respective lateral extremities, and the lateral extremities extending from the respective intermediate bends generally toward the interface plane, said lateral extremities being offset in a depth direction from the level of the record contacting surface to offset the lateral extremities from the level of a magnetic record medium at the record contacting surface.