Fabrication method of semiconductor device
A semiconductor device with favorable electrical characteristics is provided. A semiconductor device with stable electrical characteristics is provided. A highly reliable display device is provided. The semiconductor device is fabricated by a method that includes a first step of forming a semiconduc...
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| creator | Hamochi, Takashi Nakazawa, Yasutaka Ohide, Takayuki Okazaki, Kenichi |
| description | A semiconductor device with favorable electrical characteristics is provided. A semiconductor device with stable electrical characteristics is provided. A highly reliable display device is provided. The semiconductor device is fabricated by a method that includes a first step of forming a semiconductor layer containing a metal oxide, a second step of forming a conductive film over the semiconductor layer, a third step of etching the conductive film such that the conductive film is divided over the semiconductor layer and a portion of the semiconductor layer is uncovered, and a fourth step of performing first treatment on the conductive film and the portion of the semiconductor layer. The conductive film contains copper, silver, gold, or aluminum. The first treatment is plasma treatment in an atmosphere containing a mixed gas of a first gas containing an oxygen element and a second gas containing a hydrogen element. |
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A semiconductor device with stable electrical characteristics is provided. A highly reliable display device is provided. The semiconductor device is fabricated by a method that includes a first step of forming a semiconductor layer containing a metal oxide, a second step of forming a conductive film over the semiconductor layer, a third step of etching the conductive film such that the conductive film is divided over the semiconductor layer and a portion of the semiconductor layer is uncovered, and a fourth step of performing first treatment on the conductive film and the portion of the semiconductor layer. The conductive film contains copper, silver, gold, or aluminum. 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A semiconductor device with stable electrical characteristics is provided. A highly reliable display device is provided. The semiconductor device is fabricated by a method that includes a first step of forming a semiconductor layer containing a metal oxide, a second step of forming a conductive film over the semiconductor layer, a third step of etching the conductive film such that the conductive film is divided over the semiconductor layer and a portion of the semiconductor layer is uncovered, and a fourth step of performing first treatment on the conductive film and the portion of the semiconductor layer. The conductive film contains copper, silver, gold, or aluminum. The first treatment is plasma treatment in an atmosphere containing a mixed gas of a first gas containing an oxygen element and a second gas containing a hydrogen element.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEMICONDUCTOR DEVICES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | Fabrication method of semiconductor device |
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