METHOD FOR SINGULATING A MULTIPLICITY OF CHIPS

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United States of America Patent

SERIAL NO

15364306

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for singulating a multiplicity of chips is provided. Each chip includes a substrate, an active region arranged at least one of in or on the substrate, at least one electronic component being formed in said active region, and a dielectric above the active region. The method includes forming at least one first trench between the chips. The at least one first trench is formed through the dielectric and the active regions and extends into the substrate. The method further includes sawing the substrate material from the opposite side of the substrate relative to the first trench along a sawing path corresponding to the course of at least one first trench, such that at least one second trench is formed. The width of the at least one first trench is less than or equal to the width of the at least one second trench.

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Patent Owner(s)

Patent OwnerAddress
INFINEON TECHNOLOGIES AGNEUBIBERG

International Classification(s)

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  • 2016 Application Filing Year
  • H01L Class
  • 27971 Applications Filed
  • 23507 Patents Issued To-Date
  • 84.05 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pueschner, Frank Kelheim, DE 65 469
Stampka, Peter Burglengenfeld, DE 48 612

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Patent Citation Ranking

  • 2 Citation Count
  • H01L Class
  • 18.50 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges26979357140748325312788503629173801 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +050010001500200025003000350040004500500055006000650070007500800085009000950010000

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