US Patent 7629257 Combined etching and doping substances
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Patent Inventor Names
Armin Kübelbeck0
Berthold Schum0
Sylke Klein0
Werner Stockum0
Wilfried Schmidt0
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Patent abstract
The invention concerns etching and doping substances free of hydrochloric/fluoride acid used for etching inorganic layers as well as for doping subjacent layers. The invention also concerns a method wherein said substances are used.
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US Patent 07629257 Combined etching and doping substances US Patent 7629257 Combined etching and doping substances
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Patent Number
076292570
Patent Number
76292570
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Patent Jurisdiction
Patent Number
076292570
Date of Patent
December 8, 2009
0Patent Application Number
104923080
Date Filed
September 13, 2002
0Official Website
Patent Primary Examiner
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US Patent 07629257 Combined etching and doping substances
Infobox
Is a
Patent jurisdiction
Patent number
07629257
Date of patent
December 8, 2009
Patent application number
10492308
Date Filed
September 13, 2002
Patent primary examiner
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