Jena
Germany
6
2010-01-07
6
2010-11-02
These are the the leading inventors for applications assigned to Hellma Materials GmbH & Co. KG:
Hellma Materials GmbH & Co. KG based in Jena, DE has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Method for quantitative determination of the suitability of crystals for optical components exposed to high energy densities, crystals graded in this way and uses thereof
#2 | 2009-07-16 ✅ Patent 7,837,969 granted on 2010-11-23Method of making large-volume CaFsingle crystals for optical elements with an optic axis parallel to the (100)-or (110)-crystal axis and CaF single crystal made thereby
#3 | 2009-03-26 ✅ Patent 7,822,093 granted on 2010-10-26Method and apparatus for changing the length of a laser pulse
#4 | 2008-04-24 ✅ Patent 7,873,084 granted on 2011-01-18Arrangement and method for preventing the depolarization of linear-polarized light during the transmission of light through crystals
#5 | 2007-12-06 ✅ Patent 7,883,578 granted on 2011-02-08Process for preparing CaFlens blanks especially for 193 nm and 157 nm lithography with minimized deffects
#6 | 2005-09-22 ✅ Patent 7,968,074 granted on 2011-06-28Method for making low-stress large-volume crystals with reduced stress birefringence and more uniform refractive index and crystals made thereby
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