Production technology of semiconductor conductive material for transformer
A production process and conductive material technology, applied in the direction of inductance/transformer/magnet manufacturing, circuits, electrical components, etc., can solve the problems of affecting the working state of the transformer, shortening the service life of the transformer, reducing the contact surface, etc., to increase the on-state capacity and reliability, long service life and strong stability
Inactive Publication Date: 2016-06-01
STATE GRID CORP OF CHINA +1
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Problems solved by technology
[0002] At present, most of the conductive materials used to connect wires in transformers are made of aluminum alloy, which is prone to oxidation after a long time, resulting in reduced contact surface and reduced conduction state, which affects the working state of the transformer and shortens the service life of the transformer.
Method used
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Embodiment Construction
[0014] The present invention will be further described below in conjunction with specific embodiments. The exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not as a limitation to the present invention.
[0015] A production process for a semiconductor conductive material for a transformer, the method comprising the following steps:
[0016] 1) The graphite sheet is clamped on the rotating workpiece disk in the electron beam evaporation table, and the three materials of vanadium, niobium and palladium with a purity of more than 99.99% are respectively placed in three points in the crucible of the electron beam evaporation table;
[0017] 2) Close the door of the working chamber of the electron beam evaporation table, and evacuate to 1.0×10 -3 Pa, heated to 500°C;
[0018] 3) Put the acupuncture point containing vanadium material in the crucible at the working position, turn on the electron beam high voltage switch, ...
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The invention discloses production technology of semiconductor conductive material for a transformer, and the technology comprises the steps of clamping a graphite flake in a rotation workpiece plate in an electron-beam evaporation bench; disposing vanadium, niobium and palladium in a purity of more than 99.99% in three acupoints in a crucible of the electron-beam evaporation bench respectively; closing an operating room door of the electron-beam evaporation bench, vacuum-pumping the operating room to 1.0*10-3Pa, and heating to 500 DEG C; depositing a vanadium niobium palladium metal level on an electrode surface of a silicon chip in order; stop heating the operating room of the electron-beam evaporation bench and stop vacuum-pumping the operating room when the temperature of the room is 100 DEG C, then opening a vent valve, disposing the silicon chip in a sintering furnace and vacuum-pumping the operating room to 2.0*10-3Pa, sleeveing a heater body, and heating the room to 600 DEG C, and leaving the room at a constant temperature of 600 DEG C for 60 minutes; removing the heater body and stop vacuum-pumping when the room is cooled to 200 DEG C; opening the vent valve and removing the silicon chip; and cooling the room to a normal temperature to obtain a vanadium-niobium-palladium semi conducting material. The vanadium-niobium-palladium multilayer metal electrode is used for a transformer and can improve on-state capability and reliability of the conductive material.
Description
technical field [0001] The invention relates to the technical field of transformer conductive materials, in particular to a production process of semiconductor conductive materials used in transformers. Background technique [0002] At present, most of the conductive materials used to connect wires in transformers are made of aluminum alloy, which is prone to oxidation after a long time, resulting in reduced contact surface and reduced conduction state, which affects the working state of the transformer and shortens the service life of the transformer. Contents of the invention [0003] The object of the present invention is to provide a production process for semiconductive conductive materials used in transformers. [0004] To achieve the above object, the present invention is implemented according to the following technical solutions: [0005] A production process for a semiconductor conductive material for a transformer, the method comprising the following steps: [...
Claims
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IPC IPC(8): H01F41/00
Inventor 王云涛孙世五周东宋二文杜渝
Owner STATE GRID CORP OF CHINA