US Patent 11167446 Workpiece processing method
Patent 11167446 was granted and assigned to Disco Corporation on November, 2021 by the United States Patent and Trademark Office.
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Patent abstract
A processing method for a workpiece includes a cutting step of cutting the workpiece along streets by a cutting blade having a V-shaped tip end, to form V grooves of which shallower parts are wider than deeper parts, and a cleaning step of cleaning a back surface of the workpiece with cleaning water, after the cutting step is carried out.
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Patent Inventor Names
Naoko Yamamoto0
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Patent Applicant
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Patent Jurisdiction
Patent Number
111674460
Date of Patent
November 9, 2021
0Patent Application Number
202102020
Date Filed
February 2, 2021
0Official Website
Patent Primary Examiner
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US Patent 11167446 Workpiece processing method
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
11167446
Date of patent
November 9, 2021
Patent application number
20210202
Date Filed
February 2, 2021
Patent primary examiner
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