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US Patent 7314521 Low micropipe 100 mm silicon carbide wafer

Patent 7314521 was granted and assigned to Wolfspeed on January, 2008 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 12125701 Large dimension silicon carbide single crystalline materials with reduced crystallographic stress
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US Patent 12024794 Reduced optical absorption for silicon carbide crystalline materials
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Patent abstract

A high quality single crystal wafer of SiC is disclosed having a diameter of at least about 100 mm and a micropipe density of less than about 25 cm−2.

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US Patent 07314521 Low micropipe 100 mm silicon carbide wafer US Patent 7314521 Low micropipe 100 mm silicon carbide wafer

Infobox
Patent Number
0731452100
Patent Number
731452100
Edits on 25 May, 2023
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=0731452100
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Infobox
Is a
Patent
Patent
0
Current Assignee
Wolfspeed
Wolfspeed
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
073145210
Date of Patent
January 1, 2008
0
Patent Application Number
109578070
Date Filed
October 4, 2004
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=073145210
Patent Primary Examiner
‌
Felisa Hiteshew
0
Edits on 23 Sep, 2022
"Entity importer update"
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edited on 23 Sep, 2022
Infobox
Is a
Patent
Patent
0
Current Assignee
Wolfspeed
Wolfspeed
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
073145210
Date of Patent
January 1, 2008
0
Patent Application Number
109578070
Date Filed
October 4, 2004
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=073145210
Patent Primary Examiner
‌
Felisa Hiteshew
0
Edits on 17 Jun, 2022
"Entity importer update"
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edited on 17 Jun, 2022
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Infobox
Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07314521
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 US Patent 07314521 Low micropipe 100 mm silicon carbide wafer

Infobox
Is a
Patent
Patent
Current assignee
Wolfspeed
Wolfspeed
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07314521
Date of patent
January 1, 2008
Patent application number
10957807
Date Filed
October 4, 2004
Patent primary examiner
‌
Felisa Hiteshew

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