USPatent applicationPatented

Silica glass member, process for producing the same, and process for bonding ceramic and silica glass

Granted 9 Feb 2021 · 3 office actions

Current assignee: COORSTEK KK · originally COORSTEK, INC.

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Inventors: Ramesh Vallepu, Hirotaka Hagihara, Hiroaki Kobayashi, Yu Yokoyama · Examiner: Kiley S Stoner · AU 1735 · TC 1700

Life of the application

10 dated events
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Abstract

The present invention relates to a silica glass member including: a main body including a silica glass and having a bonding part for bonding to another member; and a bonding film which is provided on the bonding part, has a thickness of 0.2 μm to 10 μm, and includes Au and a glass formed through melting of glass frit, in which the bonding film is produced from Au powder having an average particle diameter of 3 μm or less and glass frit having a softening point of 850° C. or lower, a process for producing a silica glass member, and a process for bonding a ceramic and a silica glass.

Claims as granted

3 claims

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Classifications

12 codes
IPC · International Patent Classification
Section B — Performing operations; transporting
  • B23K35/30
  • B23K1/00
  • B23K35/02
Section C — Chemistry; metallurgy
  • C03C8/18
  • C03C17/00
  • C22C5/02
  • C03C8/16
  • C03C17/04
  • C03C27/00
  • C04B37/04
Section H — Electricity
  • H01L33/48
  • H01L33/58

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Pendency
2.4 y
887 days filing → grant
Office actions
1
after a restriction
Responses
1
1 RCE
Interviews
1
examiner interview summaries
Examiner
Kiley S Stoner
art unit 1735 · TC 1700
Citations: 12 back · 0 forward

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Documents

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