A vertical scan circuit for a display is described which allows automatic picture height and centering. The deflection voltages at the start and end of active video time, are stored by capacitors fed via switches activated by signal pulses. These stored voltages are compared to margin reference voltages Vtmref and Vbmref which correspond to the desired top and bottom of the picture as displayed for a particular monitor. The maximum deflection voltage on flyback (Vmax) and the slope of the signal...

A multi-layered structure and process for forming it arc described, incorporating a single crystal substrate, a plurality of epitaxial layers having graded composition wherein the layers have changing lattice spacings not exceeding about 2 percent per 1000 .ANG. of thickness whereby misfit dislocations are formed to relieve strain and then move to the edges of respective layers. The invention overcomes the problem of large numbers of misfit dislocations threading to the surface of the top layer,...

A dual transistor CMOS inverter can be built wherein a single gate is shared by two MOS transistors but only one transistor can be turned on at a time. A CMOS inverter function is provided. Further, a dual transistor logic function is described incorporating a combination of a lateral bipolar transistor (LBT) and a metal-oxide-semiconductor transistor (MOST). The gate of the MOST is used to turn on and off the base of the LBT. When the base is turned on, the LBT is turned on and off depending on...

A magneto-optic memory and a magnetic material is described incorporating a polarized light beam directed towards a magnetic material and an analyzer for intercepting the polarized light beam after passing through the magnetic material or after being reflected by the magnetic material. The magnetic material includes a matrix of metal such as iron, cobalt, nickel, and alloys thereof and a plurality of separated phases distributed in the matrix such as EuS, EuO, EuOTb, PtMnSb, MnAs, MnBi, MnSb, Cr...

A hybrid stamp structure for lithographic processing of features below 1 micron is described, comprising a deformable layer (14) for accommodating unevenness of the surface of a substrate, and a patterned layer on the deformable layer in which a lithographic pattern is engraved. The stamp structure is further enhanced by comprising a third layer (16), which acts as rigid support for the stamp, thus preventing an undesired deformation of the stamp under load.

A micromechanical sensor is described for the AFM/STM profilometry, incorporating a cantilever beam with at least one tip at its end and a mounting block at the opposite end. A method is described incorporating the steps of coating a wafer substrate with an insulating layer, forming a mask in the insulating layer, etching a trench in the wafer substrate, removing the insulating layer, coating the desired cantilever beam and tip material, respectively, etching the cantilever beam and tip material...

A thin film transistor is described incorporating a gate electrode, a layer of insulating material, a layer of buffer material, a layer of semiconductor material, a source electrode and drain electrode. The invention reduces the problem of variation in threshold voltage of thin film transistors due to external stress such as the gate voltage or temperature.

A liquid crystal display device and method are described incorporating a liquid crystal container having an inlet, a liquid crystal, and an inlet sealant containing particles sized larger than the thickness of the inlet to the liquid crystal container. The invention overcomes the probelm of permeation of the inlet sealant into the liquid crystal container.

A method for fabricating Josephson integrated circuits and the circuit is described incorporating the steps of depositing layers of different materials to form a trilayer Josephson junction, etching to define a plurality of trilayer areas, depositing dielectric material thereover, and chemical-mechanical polishing to planarize the dielectric material down to provide a coplanar surface with the tops of the trilayer areas for subsequent interconnection. The invention overcomes the problem of poor ...

A liquid crystal display is described incorporating a front electrode, a rear electrode and a liquid crystal material assembled to provide various optical path differences. The invention overcomes the problem of variation in contrast ratio and black level (background color) as a function of the viewing angle. The surfaces of the liquid crystal form an angle between 5.times.10.sup.-5 to 5.times.10.sup.-4 degrees.