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US Patent 7521712 Thin film semiconductor device

Patent 7521712 was granted and assigned to Sony on April, 2009 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 12074210 Semiconductor device and method for manufacturing the same
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edited on 22 Aug, 2024
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Patent Citations Received
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US Patent 12068329 Semiconductor device and method for manufacturing the same
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Patent Inventor Names
Akio Machida0
Tadahiro Kono0
Toshio Fujino0
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Patent abstract

A thin film semiconductor device is provided that includes a semiconductor thin film and a gate electrode. The semiconductor thin film has an active region turned into a polycrystalline region through irradiation with an energy beam. The gate electrode is provided to traverse the active region. In a channel part that is the active region overlapping with the gate electrode, a crystalline state is changed cyclically in a channel length direction, and areas each having a substantially same crystalline state traverse the channel part.

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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=075217120
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US Patent 07521712 Thin film semiconductor device US Patent 7521712 Thin film semiconductor device

Infobox
Patent Number
075217120
Patent Number
75217120
Edits on 24 Mar, 2023
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edited on 24 Mar, 2023
Infobox
Is a
Patent
Patent
0
Current Assignee
Sony
Sony
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
075217120
Date of Patent
April 21, 2009
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Patent Application Number
116855500
Date Filed
March 13, 2007
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=075217120
Patent Primary Examiner
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Dung A. Le
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Edits on 15 Jun, 2022
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edited on 15 Jun, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07521712
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 US Patent 07521712 Thin film semiconductor device

Infobox
Is a
Patent
Patent
Current assignee
Sony
Sony
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07521712
Date of patent
April 21, 2009
Patent application number
11685550
Date Filed
March 13, 2007
Patent primary examiner
‌
Dung A. Le

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