Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 13, 2007
Patent Application Number
10771155
Date Filed
February 4, 2004
Patent Primary Examiner
Patent abstract
It is an object of the present invention to reduce the consumption of materials for manufacturing a display device, simplify the manufacturing process and the apparatus used for it, and lower the manufacturing costs. The present invention provides a technique to manufacture a display device, applying a means to form a pattern such as a contact hole formed in a semiconductor film, a wiring or an insulating film, or a mask pattern to form such a pattern by drawing directly, a means to remove a film, such as etching and ashing, and a film forming means to selectively form an insulating film, a semiconductor film and a metal film on a predetermined region.
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