A spool fixation device for use in a wire winding installation, where in this spool fixation device, spools having a magnetically attractable flange are held to a rotatable flange using magnet assemblies. The magnet assemblies can be switched between a hold state and a release state. In a preferred embodiment the magnet assemblies only consume energy when in the release state i.e. when the spool fixation device is not rotating. Alternatively the magnet assemblies can be made to only consume energy when switching states. The magnet assemblies have permanent magnet arrays and are moveable inside a non-magnetic housing. Also a drive pin to transfer torque between rotatable flange and spool is no longer necessary. Therefore the spool fixation devices allows for a smooth changeover of spools.

Provided is a magnetic collet. The magnetic collet includes adsorption rubber including a plurality of individual holes passing therethrough from a contact surface, which is one surface of the adsorption rubber, coming into contact with a semiconductor chip to the other surface thereof, and a metal plate including a common hole which passes therethrough from one surface of the metal plate to the other surface thereof and provides a common passage connected to the individual holes and stacked on the adsorption rubber.

A sheet separating apparatus of the present invention includes a main body portion including a placement face on which a plurality of layered sheets are placed, a convex portion that is protruded from the placement face and on which ends of the sheets are placed, and a magnetic circuit arranged at the main body portion. The magnetic circuit includes a plurality of permanent magnets aligned arranged in line in X direction along the placement face with the same poles of adjacent permanent magnets being faced to each other, first yokes each arranged between the permanent magnets, nonmagnetic members each arranged between the permanent magnets and the sheets, and second yokes each arranged between the nonmagnetic members.

A magnetic Retrieval Mobility Aid is featured. The Mobility Aid is comprised generally of an extended body, which is comprised, generally, of an extended body, a support tip at the bottom of the extended body and a handle portion at the upper end. A magnet, magnetic substance or suitable magnetic device is provided at or near the end of the support tip, and another. magnet may also be provided within the handle portion. A user can simply place the support tip on or immediately above a metallic item, and the item magnetically attaches to the support tip, thereby allowing more convenient retrieval of the item.

Magnetic coupling devices are disclosed having magnetic field sensors. The magnetic coupling device may include degaussing coils wrapped about pole extension shoes of the magnetic coupling device.

An end-of-arm tool and an associated fixture for clamping objects are disclosed. The end-of-arm tool and fixture may each have corresponding interfacing features. such that the end-of-arm tool may be located with respect to the feature. Such interfacing features may be used to clamp one or more objects between the tool and the fixture.

A magnetic pick and place probe includes an outer sheath, an inner sheath to vertically slide within the outer sheath, None or more sheath magnets attached to a bottom end of the inner sheath and a tip positioned at a bottom end of the outer sheath to simultaneously pick up an array of magnets for placement on a substrate.

Magnetic coupling devices are disclosed having magnetic field sensors. The magnetic coupling device may include degaussing coils wrapped about pole extension shoes of the magnetic coupling device.

Magnetic coupling devices are disclosed which may be configured in at least three states. The various states may be provided through one or more of altering a position of a permanent magnet relative to another permanent magnet and altering a current level in a coil surrounding a permanent magnet.

A magnetic apparatus (1) comprising a magnetizable surface (2) configured to anchor a one or more ferromagnetic elements in a removable manner and a plurality of magnetic poles (3), each provided with a free surface (4) thereof, the magnetizable surface (2) being at least partially defined by the free surfaces (4) of said plurality of magnetic poles (3) placed side by side; one part of said magnetic poles (3) has at least two measuring areas (5) on the free surface thereof, each measuring area (5) being associated with at least one sensor (6) adapted to detect a magnetic flux exiting from said area.