USPatentGranted
B2

Inverse mask design and correction for electronic design

Granted 31 Jul 2012 · no office action yet

Current assignee: Siemens Industry, Inc. · originally Siemens AG

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Inventors: Kyohei Sakajiri, Yuri Granik · Examiner: Leigh Garbowski · AU 2825 · TC 2800

Life of the patent

9 dated events
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Abstract

Various implementations of the invention provide for the generation of “smooth†mask contours by inverse mask transmission derivation and by subsequently “smoothing†the derived mask contours by proximity correction.

Claims

19 · 3 independent · depth 5
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19 granted claims

Classifications

4 codes
IPC · International Patent Classification
Section G — Physics
  • G06F17/50
USPC · US Patent Classification
716/54716/132716/55

Claim changes

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File wrapper

⤢ drag to zoomOct 2011Jan 2012Apr 2012Jul 2012USPTOApplicantExaminer-initiated interviewRequest for continued examination
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Pendency
0.8 y
278 days filing → grant
Office actions
0
none on record
Responses
1
1 RCE
Interviews
1
examiner interview summaries
Examiner
Leigh Garbowski
art unit 2825 · TC 2800
Citations: 35 back · 0 forward

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Term & fees

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Priority chain

2 priority documents
Priority
20 Feb 2009
earliest claimed
›Priority documents — 2
TypeDocumentDate
provisionalUS 6115427120 Feb 2009
related publicationUS 20120042291 A116 Feb 2012

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Citations

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