Inventor
EHRMANN ALBRECHT
DE20 patents
⚠️ This page may combine multiple inventors who share the name “EHRMANN ALBRECHT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZEISS CARL SMT GMBH
7 patentsUS10006807B2Jun 26, 2018
Apparatus for determining an optical property of an optical imaging system
ZEISS CARL SMT GMBH3 citations72
US9436095B2Sep 6, 2016
Exposure apparatus and measuring device for a projection lens
ZEISS CARL SMT GMBH1 citations62
US10345710B2Jul 9, 2019
Microlithographic projection exposure apparatus and measuring device for a projection lens
ZEISS CARL SMT GMBH0 citations51
US8836929B2Sep 16, 2014
Device and method for the optical measurement of an optical system by using an immersion fluid
ZEISS CARL SMT GMBH0 citations51
US9429495B2Aug 30, 2016
System for measuring the image quality of an optical imaging system
ZEISS CARL SMT GMBH0 citations50
US8823948B2Sep 2, 2014
System for measuring the image quality of an optical imaging system
ZEISS CARL SMT GMBH0 citations50
US11441970B2Sep 13, 2022
Measurement apparatus for measuring a wavefront aberration of an imaging optical system
ZEISS CARL SMT GMBH0 citations49
INFINEON TECHNOLOGIES AG
5 patentsUS6835508B2Dec 28, 2004
Large-area membrane mask and method for fabricating the mask
INFINEON TECHNOLOGIES AG43 citations90
US6696371B2Feb 24, 2004
Method for fabricating positionally exact surface-wide membrane masks
INFINEON TECHNOLOGIES AG32 citations90
US6864182B2Mar 8, 2005
Method of producing large-area membrane masks by dry etching
INFINEON TECHNOLOGIES AG3 citations59
US6773854B2Aug 10, 2004
Method of producing a perforated mask for particle radiation
INFINEON TECHNOLOGIES AG5 citations55
US6696206B2Feb 24, 2004
Lithography mask configuration
INFINEON TECHNOLOGIES AG0 citations51
ZEISS CARL SMT AG
3 patentsUS7760366B2Jul 20, 2010
System for measuring the image quality of an optical imaging system
ZEISS CARL SMT AG34 citations94
US7796274B2Sep 14, 2010
System for measuring the image quality of an optical imaging system
ZEISS CARL SMT AG21 citations89
US7408652B2Aug 5, 2008
Device and method for the optical measurement of an optical system by using an immersion fluid
ZEISS CARL SMT AG12 citations81