Semiconductor device manufacturing: process – Formation of electrically isolated lateral semiconductive... – Having substrate registration feature
Reexamination Certificate
2008-02-29
2009-06-09
Dang, Trung (Department: 2892)
Semiconductor device manufacturing: process
Formation of electrically isolated lateral semiconductive...
Having substrate registration feature
C257SE21525, C349S123000, C349S129000
Reexamination Certificate
active
07544581
ABSTRACT:
A method for manufacturing a display substrate is disclosed, which includes the following steps: providing a substrate; forming a plurality of bumps on an active area of the substrate and at least one marking pattern on a non-active area of the substrate; and staining the marking pattern or filling a material having low transmittance ratio into the marking pattern. The present invention further discloses a method for making a display substrate, including the steps: providing a substrate; forming a shadow layer on a non-active area of the substrate; forming a plurality of bumps on an active area of the substrate and at least one marking pattern on the shadow layer of the non-active area on the substrate; and removing a part of the shadow layer not covered by the marking pattern.
REFERENCES:
patent: 2006/0098151 (2006-05-01), Inoue et al.
patent: 2007/0103629 (2007-05-01), Li
patent: 2007/0153213 (2007-07-01), Huang et al.
patent: 2008/0088774 (2008-04-01), Fan Jiang et al.
Chen Yen-Ju
Chou Kuo-Ching
Li De-Jiun
Liu Yui-Chen
Lu Hui-Chuan
Bacon & Thomas PLLC
Chunghwa Picture Tubes Ltd.
Dang Trung
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