METHOD AND APPARATUS FOR SEPARATING WORKPIECES

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United States of America Patent

APP PUB NO 20140084040A1
SERIAL NO

14033305

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention is an apparatus, for performing the method, and the method including the steps of providing a workpiece, contacting a portion of an exterior surface of the workpiece to an acoustic couplant such that an interface between the acoustic couplant and the portion of the exterior surface is at least substantially continuous across the portion of the exterior surface, and propagating a crack through the workpiece. A portion of the acoustic couplant at the interface has acoustic impedance relative to the acoustic energy that is greater than 400 kg·m−2·s−1.

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Patent Owner(s)

Patent OwnerAddress
ELECTRO SCIENTIFIC INDUSTRIES INC14523 SW MILLIKAN WAY BEAVERTON OR 97005

International Classification(s)

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  • 2013 Application Filing Year
  • B26F Class
  • 126 Applications Filed
  • 112 Patents Issued To-Date
  • 88.89 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2013201420152016201720182019202020210255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsumoto, Hisashi Portland, US 60 1192
Simenson, Glenn Portland, US 20 486
XU, Qian Portland, US 228 1291
Zhang, Haibin Portland, US 78 1058

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Patent Citation Ranking

  • 1 Citation Count
  • B26F Class
  • 19.44 % this patent is cited more than
  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges14506201 - 1011 - 2021 - 3002.557.51012.51517.52022.52527.53032.53537.54042.54547.55052.5

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