Inventor

Ebo H. Croffie

Inventor

Portland, OR, US

Overview

2006–2015

Patent span

Physics

Primary field (CPC G)

Patents· 14 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Fprimary

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices68%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them16%

G02BOptical elements, systems or apparatus11%

G06FElectric digital data processing5%

PatentTitleYear

9,188,848'Maskless vortex phase shift optical direct write lithography'2015 8,377,633'Maskless vortex phase shift optical direct write lithography'2013 8,057,963'Maskless vortex phase shift optical direct write lithography'2011 7,738,078'Optimized mirror design for optical direct write'2010 7,494,752'Method and systems for utilizing simplified resist process models to perform optical and process corrections'2009 7,458,060'Yield-limiting design-rules-compliant pattern library generation and layout inspection'2008 7,372,547'Process and apparatus for achieving single exposure pattern transfer using maskless optical direct write lithography'2008 7,325,222'Method and apparatus for verifying the post-optical proximity corrected mask wafer image sensitivity to reticle manufacturing errors'2008 7,313,508'Process window compliant corrections of design layout'2007 7,270,942'Optimized mirror design for optical direct write'2007 7,264,906'OPC based illumination optimization with mask error constraints'2007 7,189,498'Process and apparatus for generating a strong phase shift optical pattern for use in an optical direct write lithography process'2007 7,117,475'Method and system for utilizing an isofocal contour to perform optical and process corrections'2006 7,001,695'Multiple alternating phase shift technology for amplifying resolution'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2008Patents assigned to LSI LOGIC CORP (5)· patent assignee history

2006–2015Based in Portland, OR, US· patent location history

2007–2013Patents assigned to LSI CORP (8)· patent assignee history

2011–2013Patents assigned to CALLAN NEAL P (2)· patent assignee history

2011–2013Patents assigned to CROFFIE EBO H (2)· patent assignee history

2011–2013Patents assigned to EIB NICHOLAS K (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LSI CORP	8	2007–2013
LSI LOGIC CORP	5	2006–2008
CALLAN NEAL P	2	2011–2013
CROFFIE EBO Hself	2	2011–2013
EIB NICHOLAS K	2	2011–2013

Locations

Location	Patents	Span
Portland, OR, US	14	2006–2015