Invention Grant
- Patent Title: Measurement apparatus
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Application No.: US16629990Application Date: 2018-07-13
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Publication No.: US11105619B2Publication Date: 2021-08-31
- Inventor: Franciscus Godefridus Casper Bijnen , Junichi Kanehara , Stefan Carolus Jacobus Antonius Keij , Thomas Augustus Mattaar , Petrus Franciscus Van Gils
- Applicant: ASML NETHERLANDS B.V.
- Applicant Address: NL Veldhoven
- Assignee: ASML NETHERLANDS B.V.
- Current Assignee: ASML NETHERLANDS B.V.
- Current Assignee Address: NL Veldhoven
- Agency: Pillsbury Winthrop Shaw Pittman LLP
- Priority: EP17181375 20170714,EP18170698 20180503
- International Application: PCT/IB2018/055196 WO 20180713
- International Announcement: WO2019/012495 WO 20190117
- Main IPC: G01B11/27
- IPC: G01B11/27

Abstract:
In order to improve the throughput performance and/or economy of a measurement apparatus, the present disclosure provides a metrology apparatus including: a first measuring apparatus; a second measuring apparatus; a first substrate stage configured to hold a first substrate and/or a second substrate; a second substrate stage configured to hold the first substrate and/or the second substrate; a first substrate handler configured to handle the first substrate and/or the second substrate; and a second substrate handler configured to handle the first substrate and/or the second substrate, wherein the first substrate is loaded from a first, second or third FOUP, wherein the second substrate is loaded from the first, second or third FOUP, wherein the first measuring apparatus is an alignment measuring apparatus, and wherein the second measuring apparatus is a level sensor, a film thickness measuring apparatus or a spectral reflectance measuring apparatus.
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