Abstract: A linear motor includes a stator and a head. The stator includes laminations disposed axially to provide for magnetizable properties in alternate laminations and non-magnetizable properties in the other laminations. The magnetizable laminations provide for an axial flow of magnetic flux in certain embodiments and for a radial flow of magnetic flux in other embodiments. Magnetizable means are disposed within the laminations to provide for a flow of the magnetic flux.

Abstract: An apparatus for making drawings including a platen, an X-Y forcer slidably connected to the platen and a high speed holder adjustably connected to the forcer. The holder includes a plurality of separately actuatable mechanisms with each mechanism being connected to a tool for movement of the tool into or out of contact with a working surface. Means are included to precisely control each of the mechanisms in controlling the degree of contact which the tools make with the working surface. Also, means are included to precisely position each tool with respect to the mechanism which moves the tool into contact with the working surface.An apparatus for performing a working operation on a surface which apparatus includes a platen, an X-Y forcer slidably mounted thereon and a tool carried by the forcer for contact with the surface. Additionally, the apparatus includes means to vary the force applied by the tool against the working surface in response to the speed of movement of the tool with respect to the surface.

Abstract: A probe including an arm providing structure for fixedly mounting and preloading a leaf spring. A probe tip is fixed to the leaf spring and extends through a guide means on the probe arm. Provision is made for clearance in the fit between the guide and the probe tip so that a predetermined, controlled amount of bending of the tip is allowed when contact is made with a circuit to be tested. Consequently, the tip may move across the circuit in a first direction upon the initial contact. Continued relative movement will cause the tip to retract through the guide means, thereby forcing it to move across the circuit n the opposite direction.

Abstract: An automatic cable forming system incorporating an X-Y positioner for automatically laying a plurality of individual wires in a predetermined pattern to form a complex cable and including an array of individual spools each including a tensioning device to produce a predetermined tension on a wire as it is unspooled and to take up any slack in the wire. The system also includes a plurality of individual capstan pulleys each receiving an individual wire from one of the spools and with a single capstan drive for engaging one capstan pulley at a time for individually feeding the plurality of wires from the spools. The wires pass to a plurality of individual clamps for clamping the plurality of individual wires except the wire fed from the capstan pulley engaged by the capstan drive, and with a wire feed mechanism intermediate the capstan drive and the clamps for feeding the wires to a single wire head.

Abstract: Presented is a probe card useful in testing the effectiveness and utility of semiconductor devices and hybrid circuit substrates prior to the application to such devices and substrates of terminal leads for interconnection with other components. The probe card includes a unitary electrically conductive probe assembly including a multiplicity of closely spaced conductive probes arranged in a radiating array to provide a multiplicity of contact tips adapted to be pressed with uniform pressure and contact resistance on the terminal pads of semiconductor devices and hybrid circuit substrates.