USPatentGranted
B2

Semiconductor device

Granted 15 Sep 2015 · 2 office actions

Life of the patent

7 dated events
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Abstract

A semiconductor device includes a semiconductor substrate, a surface of which is provided with: a source region having a first conductivity type is formed in a body region having a second conductivity type opposite to the first conductivity type; a main electrode connected to the source region and the body region; and a gate electrode, to which a voltage for controlling a current flowing through the main electrode is applied, and the semiconductor device includes: a recess formed in the surface of the semiconductor substrate, wherein the source region is exposed on an inner surface of the recess and the main electrode is connected to the source region at the inner surface of the recess.

Claims

6 · 1 independent · depth 3
123456
6 granted claims

Classifications

7 codes
IPC · International Patent Classification
Section H — Electricity
  • H01L27/108
  • H01L31/119
  • H01L29/76
  • H01L29/78
  • H01L29/417
  • H01L29/45
  • H01L29/94

Claim changes

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File wrapper

⤢ drag to zoomOct 2014Jan 2015Apr 2015Jul 2015Oct 2015USPTOApplicantNon-final rejectionResponse after non-final
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Pendency
1.0 y
355 days filing → grant
Office actions
1
non-final + final
Responses
1
no RCE
Examiner
Hoai V Pham
art unit 2892 · TC 2800
Citations: 5 back · 0 forward

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Term & fees

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Priority chain

1 priority documents
›Priority documents — 1
TypeDocumentDate
related publicationUS 20150091082 A12 Apr 2015

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Citations

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