Source: https://patents.google.com/patent/US9939258B2/en
Timestamp: 2019-06-17 14:16:24
Document Index: 145562477

Matched Legal Cases: ['art 1', 'art 2', 'art 3', 'art 4', 'art 1', 'art 2', 'art 3', 'art 4']

US9939258B2 - Confocal surface topography measurement with fixed focal positions - Google Patents
US9939258B2
US9939258B2 US15/593,680 US201715593680A US9939258B2 US 9939258 B2 US9939258 B2 US 9939258B2 US 201715593680 A US201715593680 A US 201715593680A US 9939258 B2 US9939258 B2 US 9939258B2
US15/593,680
US20170248412A1 (en
2017-05-12 Application filed by Align Technology Inc filed Critical Align Technology Inc
2017-08-31 Publication of US20170248412A1 publication Critical patent/US20170248412A1/en
2018-04-10 Publication of US9939258B2 publication Critical patent/US9939258B2/en
This application is a continuation application of U.S. patent application Ser. No. 14/980,580, filed Dec. 28, 2015, now U.S. Pat. No. 9,675,429, which is a continuation application of U.S. patent application Ser. No. 14/323,237, filed Jul. 3, 2014, now U.S. Pat. No. 9,261,356, each of which are incorporated herein by reference in their entirety.
US15/593,680 2014-07-03 2017-05-12 Confocal surface topography measurement with fixed focal positions Active US9939258B2 (en)
US15/906,616 Continuation US10281266B2 (en) 2014-07-03 2018-02-27 Confocal surface topography measurement with fixed focal positions
US20170248412A1 US20170248412A1 (en) 2017-08-31
US9939258B2 true US9939258B2 (en) 2018-04-10
TWI551846B (en) * 2015-04-22 2016-10-01 Pixart Imaging Inc Sensing element and optical distance measurement system
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