Porrini; Maria

Patent Applications and Registrations

Patent applications and USPTO patent grants for Porrini; Maria.The latest application filed is for "methods for forming a silicon substrate with reduced grown-in nuclei for epitaxial defects and methods for forming an epitaxial wafer".

Company Profile

1.3.7

Porrini; Maria - Merano IT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Methods For Forming A Silicon Substrate With Reduced Grown-in Nuclei For Epitaxial Defects And Methods For Forming An Epitaxial Wafer App 20220220636 - Valcozzena; Pietro ; et al.	2022-07-14
Methods For Preparing An Ingot In An Ingot Puller Apparatus And Methods For Selecting A Side Heater Length For Such Apparatus App 20220145490 - Porrini; Maria ; et al.	2022-05-12
Methods For Forming A Silicon Substrate With Reduced Grown-in Nuclei For Epitaxial Defects And Methods For Forming An Epitaxial Wafer App 20220145493 - Valcozzena; Pietro ; et al.	2022-05-12
Dopant concentration control in silicon melt to enhance the ingot quality Grant 11,085,128 - Porrini August 10, 2	2021-08-10
Dopant Concentration Control In Silicon Melt To Enhance The Ingot Quality App 20200115818 - Porrini; Maria	2020-04-16
Feed System For Crystal Growing Systems App 20180030614 - Haringer; Stephan ; et al.	2018-02-01
Method of loading a charge of polysilicon into a crucible Grant 9,359,691 - Martini , et al. June 7, 2	2016-06-07
Method Of Loading A Charge Of Polysilicon Into A Crucible App 20140060422 - Martini; Umberto ; et al.	2014-03-06
Analytical method to measure nitrogen concentration in single crystal silicon Grant 6,803,576 - Pretto , et al. October 12, 2	2004-10-12
Analytical method to measure nitrogen concentration in single crystal silicon App 20030068826 - Pretto, Maria Giovanna ; et al.	2003-04-10

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