JPS61136463U - - Google Patents

Info

Publication number

JPS61136463U

JPS61136463U JP1910685U JP1910685U JPS61136463U JP S61136463 U JPS61136463 U JP S61136463U JP 1910685 U JP1910685 U JP 1910685U JP 1910685 U JP1910685 U JP 1910685U JP S61136463 U JPS61136463 U JP S61136463U

Authority

JP

Japan

Prior art keywords

wehnelt electrode

anode

electron gun

filament

wehnelt

Prior art date

1985-02-15

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000010586 diagram Methods 0.000 description 1
• 238000010894 electron beam technology Methods 0.000 description 1
• 238000005259 measurement Methods 0.000 description 1