65results about How to "The production process is complicated" patented technology

The invention discloses an electronic paper device. The electronic paper device comprises a lower baseplate, an electrophoretic display medium layer and an upper baseplate, wherein the electrophoretic display medium layer is arranged between the upper baseplate and the lower baseplate, a plurality of parallel line electrodes are arranged on the surface adjacent to the electrophoretic display medium layer on the lower baseplate, a plurality of parallel column electrodes are arranged on the surface adjacent to the electrophoretic display medium layer on the upper baseplate, the line electrodes and the column electrodes are orthogonal mutually, the electronic paper device is divided into a plurality of pixel units through overlapped regions of the line electrodes and the column electrodes, and the optical state of the electrophoretic display medium layer is driven to change by forming an electric potential difference between the line electrodes and the column electrodes. By etching or printing a plurality of parallel strip-shaped electrodes on the surfaces of the upper baseplate and the lower baseplate for substituting TFT (thin-film transistor) pixel electrodes, the electronic paper device can be used for manufacturing a light and thin type electronic paper display device.

The invention relates to a front module for a motor vehicle, wherein the front module is in one piece and is composed exclusively of plastic.

Various embodiments provide a light emitting diode (LED) module. In one embodiment, the LED module comprises a circuit board; a peripheral metal board abutting and about said circuit board; an electrical insulation layer on both a first surface and a second surface of said circuit board and said peripheral metal board; electrical traces on said electrical insulation layer; and one or more LEDs mounted on said electrical traces and said electrical insulation layer over said peripheral metal board.

The invention relates to the preparation of titanium alloy, more specifically an V-Al-Fe intermediate alloy for titanium alloy preparation and process for preparing the same, wherein the constituents (by weight percent) of the alloy include, Al 17-20%, Fe 11-13%, and balancing V. The preparing process comprises, employing furnace outside ignition smelting method, operating according to routine procedures, calculated based on 1kg of V2O5, the charged mixture includes, Al 0.619-0.732kg, Fe 0.089-0.1kg, CaF2 0.1-0.25kg, furnace slag 0.15-0.25kg (produced during vanadium-chrome-aluminum alloy smelting), the raw material shoving temperature being 30-60 deg. C. The advantages of the invention include facilitated preparation of titanium alloy, low making cost, homogeneous alloying, good oxidation resistance, easy storing, transport and fragmenting.

The present invention discloses a steering device for use in a body lumen of a patient. The steering device comprises a flexible tube; a plurality of spaced-apart elements positioned along at least a portion of the tube; wherein the plurality of spaced-apart elements and the tube form a single integrated unit; and at least two steering wires having at least a portion passing through the spaced-apart elements and at least a portion passing within the tube. According to another broad aspect of the present invention, there is provided a steering device for use in a body lumen of a patient, comprising: a flexible tube; at least two steering wires having at least a portion passing within the flexible tube; at least two spring-like sleeves; each spring-like sleeve at least partially enclosing a steering wire respectively; wherein the spring-like sleeve has a variable pitch along its length; such that the flexible tube comprises at least two portions having different bending properties.