JPS6421741U - - Google Patents

Info

Publication number

JPS6421741U

JPS6421741U JP11418487U JP11418487U JPS6421741U JP S6421741 U JPS6421741 U JP S6421741U JP 11418487 U JP11418487 U JP 11418487U JP 11418487 U JP11418487 U JP 11418487U JP S6421741 U JPS6421741 U JP S6421741U

Authority

JP

Japan

Prior art keywords

viewing port

port section

kovar

stainless steel

viewing

Prior art date

1987-07-24

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Granted

Links

• Espacenet
• Global Dossier
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• 229910000833 kovar Inorganic materials 0.000 claims description 4
• 239000000463 material Substances 0.000 claims description 3
• 239000010935 stainless steel Substances 0.000 claims description 3
• 229910001220 stainless steel Inorganic materials 0.000 claims description 3
• 229910000838 Al alloy Inorganic materials 0.000 claims description 2
• 238000010894 electron beam technology Methods 0.000 claims description 2
• 238000003466 welding Methods 0.000 claims description 2
• 238000010586 diagram Methods 0.000 description 1
• 239000011521 glass Substances 0.000 description 1