Source: http://www.google.com/patents/US20030054653?dq=6078894
Timestamp: 2014-07-24 15:26:47
Document Index: 714628412

Matched Legal Cases: ['art 3002', 'art 3003', 'art 3003', 'art 3003', 'art 3402', 'art 3403', 'art 3402', 'art 3402', 'art 4103', 'art 4103']

Patent US20030054653 - Wiring and method of manufacturing the same, and wiring board and method of ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsThe wiring of the present invention has a layered structure that includes a first conductive layer (first layer) having a first width and made of one or a plurality of kinds of elements selected from W and Mo, or an alloy or compound mainly containing the element, a low-resistant second conductive layer...http://www.google.com/patents/US20030054653?utm_source=gb-gplus-sharePatent US20030054653 - Wiring and method of manufacturing the same, and wiring board and method of manufacturing the sameAdvanced Patent SearchPublication numberUS20030054653 A1Publication typeApplicationApplication numberUS 10/099,972Publication dateMar 20, 2003Filing dateMar 19, 2002Priority dateMar 27, 2001Also published asCN1311549C, CN1378276A, CN100573884C, CN101009241A, CN101009241B, CN101009292A, US7169710, US7884369, US20070013859Publication number099972, 10099972, US 2003/0054653 A1, US 2003/054653 A1, US 20030054653 A1, US 20030054653A1, US 2003054653 A1, US 2003054653A1, US-A1-20030054653, US-A1-2003054653, US2003/0054653A1, US2003/054653A1, US20030054653 A1, US20030054653A1, US2003054653 A1, US2003054653A1InventorsShunpei Yamazaki, Hideomi Suzawa, Koji Ono, Yoshihiro KusuyamaOriginal AssigneeSemiconductor Energy Laboratory Co., Ltd.Export CitationBiBTeX, EndNote, RefManReferenced by (51), Classifications (33), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetWiring and method of manufacturing the same, and wiring board and method of manufacturing the sameUS 20030054653 A1Abstract The wiring of the present invention has a layered structure that includes a first conductive layer (first layer) having a first width and made of one or a plurality of kinds of elements selected from W and Mo, or an alloy or compound mainly containing the element, a low-resistant second conductive layer (second layer) having a second width smaller than the first width, and made of an alloy or a compound mainly containing Al, and a third conductive layer (third layer) having a third width smaller than the second width, and made of an alloy or compound mainly containing Ti. With this constitution, the present invention is fully ready for enlargement of a pixel portion. At least edges of the second conductive layer have a taper-shaped cross-section. Because of this shape, satisfactory coverage can be obtained. Images(23) Claims(46)
[0238] A wiring board formed according to the present invention can be used for various electrooptic apparatuses (active matrix type liquid crystal display device, active matrix type EC display apparatus, and active matrix type light-emitting device). Specifically, the present invention can be carried out in all the electronic equipment in which these electrooptic apparatuses are incorporated into a display portion. [0239] Examples of such electronic equipment include a personal computer and a display. FIGS. 20A to 20C shows examples thereof. [0240]FIG. 20A shows a personal computer, which includes a body 3001, an image input part 3002, a display part 3003, a keyboard 3004, and the like. The present invention is applicable to the display part 3003. The present invention is ready for enlargement of the display part 3003. [0241]FIG. 20B shows a player using a recording medium storing a program (hereinafter, merely referred to as a recording medium), which includes a body 3401, a display part 3402, a speaker part 3403, a recording medium 3404, an operation switch 3405, and the like. This player uses a digital versatile disk (DVD), a compact disk (CD), and the like as a recording medium, and can be used for listening to music, seeing movies, playing games, and performing the Internet. The present invention is applicable to the display part 3402. The present invention is ready for enlargement of the display part 3402. [0242]FIG. 20C shows a display, which includes a body 4101, a support 4102, a display part 4103, and the like. The present invention is applicable to the display part 4103. The display of the present invention is fully ready for enlargement of a screen. In particular, the present invention is advantageous for a display of 10 inches or more in the opposite angle (particularly, 30 inches or more). [0243] As described above, the range of application of the present invention is extremely large and the present invention is applicable to various fields of electronic equipment. Further, electronic equipment of the present embodiment can be realized by adopting the constitution using any combination of embodiments 1 to 11. [0244] By adopting the constitution of the present invention, the following basic significance can be obtained. [0245] (a) A simple method suitable for processes of manufacturing conventional wiring or wiring board. [0246] (b) Low-resistance can be realized in wiring. Therefore, a degree of design freedom and an aperture ratio in a pixel portion are enhanced. [0247] (c) Satisfactory coverage is obtained. [0248] (d) In a semiconductor device such as an active matrix type liquid crystal display device, while the above-mentioned advantages are satisfied, the area of a pixel portion is enlarged, and the present invention is fully ready for enlargement of a screen, which enhances operational characteristics and reliability of the semiconductor device. [0249] Various other modifications will be apparent to and can be readily made by those skilled in the art without departing from the scope and spirit of this invention. Accordingly, it is not intended that the scope of the claims appended hereto be limited to the description as set forth herein, but rather that the claims be broadly construed. 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