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Hermetically sealed aluminum electrolytic capacitor

  • US 4,987,519 A
  • Filed: 03/26/1990
  • Issued: 01/22/1991
  • Est. Priority Date: 03/26/1990
  • Status: Expired due to Term
First Claim
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1. A hermetically sealed aluminum electrolytic capacitor comprising a capacitor section having an aluminum anode and a liquid electrolyte, an aluminum can having one open end and one closed end, said can containing said capacitor section and said electrolyte, a glass-to-metal seal having a tantalum outer ring, said seal snugly fitted into and closing said open end, said tantalum ring being completely sealed to said aluminum can by a continuous annular laser weld.

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