Patent · US Active

Bonded body, circuit board, and semiconductor device

US11948900B2 · kind B2 · utility

1Cited by
2References
21Claims
0Family size

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Key dates

Filing dateSep 2, 2021
Grant dateApr 2, 2024
Priority date
Expiry dateOct 6, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/19107
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A bonded body according to an embodiment includes a substrate, a metal member, and a bonding layer. The bonding layer is provided between the substrate and the metal member. The bonding layer includes a first particle including carbon, a first region including a metal, and a second region including titanium. The second region is provided between the first particle and the first region. A concentration of titanium in the second region is greater than a concentration of titanium in the first region.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.