Invention Grant
- Patent Title: Alignment mark arrangement and alignment mark structure
- Patent Title (中): 对齐标记布置和对准标记结构
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Application No.: US12478778Application Date: 2009-06-05
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Publication No.: US08164753B2Publication Date: 2012-04-24
- Inventor: An-Hsiung Liu , Chun-Yen Huang , Ming-Hung Hsieh
- Applicant: An-Hsiung Liu , Chun-Yen Huang , Ming-Hung Hsieh
- Applicant Address: TW Kueishan, Tao-Yuan Hsien
- Assignee: Nanya Technology Corp.
- Current Assignee: Nanya Technology Corp.
- Current Assignee Address: TW Kueishan, Tao-Yuan Hsien
- Agent Winston Hsu; Scott Margo
- Main IPC: G01B11/00
- IPC: G01B11/00

Abstract:
An alignment mark arrangement includes: a first alignment pattern comprising a plurality of parallel first stripes on a substrate, wherein each of the first stripes includes a first dimension; and a second alignment pattern positioned directly above and overlapping with the first alignment pattern, the second alignment pattern including a plurality of parallel second stripes, wherein each of the second stripes of the second alignment pattern has a second dimension that is larger than the first dimension of each of the first stripes of the first alignment pattern.
Public/Granted literature
- US20100309470A1 ALIGNMENT MARK ARRANGEMENT AND ALIGNMENT MARK STRUCTURE Public/Granted day:2010-12-09
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