Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making electrical device
Reexamination Certificate
2006-11-21
2006-11-21
McPherson, John A. (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making electrical device
C430S319000, C430S321000
Reexamination Certificate
active
07138220
ABSTRACT:
To provide a liquid crystal display apparatus exhibiting optimum display performance despite reduction in the number of PR(photolithography) processes, and a method for producing the apparatus. A method for producing a liquid crystal display apparatus having a first substrate including a thin film transistor and a reflector on an insulating substrate. An etching mask is formed on a metal layer formed on the insulating substrate and, using this etching mask, the metal layer is etched to form a constituent portion of the thin film transistor and protrusions. Only the etching mask is caused to reflow to cover exposed surface portions of the constituent portion of the thin film transistor and protrusions and near-by surface portions of the insulating substrate with the etching mask as the insulating substrate is partially exposed. Using the etching mask, recesses are formed in an exposed area of the insulating substrate. A reflector is formed on the protrusions and recesses.
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McPherson John A.
NEC LCD Technologies Ltd.
Young & Thompson
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