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Country	kind	publication No.	Filing Date	Type	Sub-Type

• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

• SONY CORPORATION

International Classification(s)

• H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....

• 2016 Application Filing Year
• H01L Class
• 27971 Applications Filed
• 23507 Patents Issued To-Date
• 84.05 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Tateshita, Yasushi	Kanagawa, JP	43	483
# of filed Patents : 43 Total Citations : 483

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• 7 Age

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7.5 Year Payment	$3600.00	$1800.00	$900.00	Jul 9, 2025
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DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 09, 2018	US,9865733,B2   US9865733B2	GRANTED PATENT AS SECOND PUBLICATION
July 14, 2016	US,20160204203,A1   US20160204203A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6831292

Semiconductor structures employing strained material layers with defined impurity gradients and methods for fabricating same

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Abstract

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Semiconductor structures and devices including strained material layers having impurity-free zones, and methods for fabricating same. Certain regions of the strained material layers are kept free of impurities that can interdiffuse from adjacent portions of the semiconductor. When impurities are present in certain regions of the strained material layers, there is degradation in device performance. By employing semiconductor structures and devices (e.g., field effect transistors or 'FETs') that have the features described, or are fabricated in accordance with the steps described, device operation is enhanced.

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Description

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Claims

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Legal Events

 

• FPAY2016
• FPAY2012
• AS2009
• REMI2008
• FPAY2008
• CC2005
• I2004
• STCF2004
• P2003
• AS2002
• F2002
• PD2001

Date	Code	Event	Description
Jun 14, 2016	FPAY	FEE PAYMENT	year of fee payment: 12
Jun 14, 2012	FPAY	FEE PAYMENT	year of fee payment: 8
Nov 22, 2009	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:AMBERWAVE SYSTEMS CORPORATION;REEL/FRAME:023848/0183 Owner name: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., Effective Date: Nov 22, 2009
Jun 23, 2008	REMI	MAINTENANCE FEE REMINDER MAILED
Jun 16, 2008	FPAY	FEE PAYMENT	year of fee payment: 4
Apr 05, 2005	CC	CERTIFICATE OF CORRECTION
Dec 14, 2004	I	Issuance
Nov 25, 2004	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Mar 27, 2003	P	Published
Nov 13, 2002	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CURRIE, MATTHEW;LOCHTEFELD, ANTHONY;HAMMOND, RICHARD;AND OTHERS;REEL/FRAME:013491/0885;SIGNING DATES FROM 20021023 TO 20021025 Owner name: AMBERWAVE SYSTEMS CORPORATION, NEW HAMPSHIRE
Sep 20, 2002	F	Filing
Sep 21, 2001	PD	Priority Date