US Patent 7429335 Substrate passage formation
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Patent Inventor Names
Shen Buswell0
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Patent abstract
A method for forming an opening through a substrate includes removing a first portion of a first face of a substrate to form a first recessed surface oblique to the first face and removing a second portion of the substrate to form a passage extending through the substrate such that the passage is bordered by the first surface.
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US Patent 07429335 Substrate passage formation US Patent 7429335 Substrate passage formation
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Patent Number
074293350
Patent Number
74293350
Edits on 26 Sep, 2022
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Patent Jurisdiction
Patent Number
074293350
Date of Patent
September 30, 2008
0Patent Application Number
108344620
Date Filed
April 29, 2004
0Official Website
Patent Primary Examiner
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US Patent 07429335 Substrate passage formation
Infobox
Is a
Patent jurisdiction
Patent number
07429335
Date of patent
September 30, 2008
Patent application number
10834462
Date Filed
April 29, 2004
Patent primary examiner
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