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75results about How to "Made longer" patented technology

Semiconductor device and manufacturing method thereof

A conventional DRAM needs to be refreshed at an interval of several tens of milliseconds to hold data, which results in large power consumption. In addition, a transistor therein is frequently turned on and off; thus, deterioration of the transistor is also a problem. These problems become significant as the memory capacity increases and transistor miniaturization advances. A transistor is provided which includes a wide-gap semiconductor and has a trench structure including a trench for a gate electrode and a trench for element isolation. Even when the distance between a source electrode and a drain electrode is decreased, the occurrence of a short-channel effect can be suppressed by setting the depth of the trench for the gate electrode as appropriate.
Owner:SEMICON ENERGY LAB CO LTD

Multi-Leaf Collimators

A multi-leaf collimator for a radiotherapy apparatus comprises a plurality of elongate leaves mounted in a carriage, the carriage being mounted on a substrate, wherein the leaves are independently moveable relative to the carriage in a longitudinal direction, and the carriage is moveable in that direction relative to the substrate, and a control apparatus arranged to receive a signal representing leaf positions relative to the substrate and being arranged to control the leaf positions relative to the carriage and the carriage positions relative to the substrate so as to achieve those leaf positions relative to the substrate. By allowing the carriage to be driven concurrently with the leaves, the speed of movement of the carriage can be added to that of the leaves. In this way, where leaves are required to make a long traverse they can do so more quickly. Most MLCs have a means for sensing the current positions of the leaves relative to the substrate, such as an optical or mechanical positional feedback system. The control apparatus can therefore compare the current leaf positions to the signalled leaf positions, and move the leaves and the carriage accordingly. Each leaf can be moved according to a difference between the current leaf position and the signalled leaf position, and the carriage can be moved according to an average difference between the current leaf positions and the signalled leaf positions. A corresponding method is also disclosed.
Owner:ELEKTA AB

Cellular phone holder

The object of this invention is to provide a cellular phone holder, which could easily hold a standard type cellular phone as well as a collapsible type cellular phone having different sizes, respectively. Thus cellular phone holder is comprised of a lateral case capable of holding cellular phones of different width, and a longitudinal strap belt attached in a manner so as to intersect with the lateral case. Thus lateral case is formed of a single trunk member in which the trunk member is bent into a cylindrical shape and secured by Velcro tape attached in plural portions. A ring couples thus longitudinal strap belt to a plurality of strap belts and thus, a portion of the longitudinal strap belt is structured by an elastic material.
Owner:KANAGAWA HOUSEISHOUKAI

Welding process for large structures

There is provided a method for welding together two metal components to form a large structure suitable for use as an aerospace component. The method comprises the steps of providing two metal components to be welded together, each component having a length, a width, a height and a surface to be welded, the surface to be welded of at least one of the metal components including a feature extending substantially the length of the component, the feature reducing the contact width of the surfaces to be welded of the two components to less than the width of each component; and welding together the components. There is also provided a large structure so created. There is also provided a method for welding together two metal components to form a part or a whole of a spar for a wing for an aircraft and a spar so created.
Owner:AIRBUS OPERATIONS LTD
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