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CATHODE POUR CANON A ELECTRONS

申请公布号:FR2544130(A1)

申请号:FR19830005675

申请日期:1983.04.07

申请公布日期:1984.10.12

申请人:
SOUDURE AUTOGENE FRANCAISE

发明人:JEAN-PIERRE HAMON ET ALAIN GALLAY;GALLAY ALAIN

分类号:H01J1/20;H01J37/07;(IPC1-7):H01J37/07;H01J37/31

主分类号:H01J1/20

摘要:<P>LA PASTILLE EMISSIVE 2 EN LAB EST LOGEE DANS UN BOITIER 1, 5 EN TANTALE OUVERT SEULEMENT VERS L'AVANT ET CHAUFFE PAR L'ARRIERE PAR UN FILAMENT. ENTRE LES SURFACES PERIPHERIQUE ET ARRIERE DE LA PASTILLE ET LES SURFACES EN REGARD DU BOITIER SONT INTERPOSES DES MORCEAUX DE FEUILLE DE GRAPHITE 3, 4 QUI EMPECHENT LES ATOMES DE BORE DE MIGRER DANS LE TANTALE, CE QUI PROLONGE LA DUREE DE VIE DE LA CATHODE.</P><P>APPLICATION AUX INSTALLATIONS DE SOUDAGE PAR FAISCEAU D'ELECTRONS.</P>

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