EP 2801629 B1 20201202 - TUNGSTEN ALLOY, TUNGSTEN ALLOY SINTERED BODY USING SAME, DISCHARGE LAMP, TRANSMITTING TUBE, AND MAGNETRON
Title (en)
TUNGSTEN ALLOY, TUNGSTEN ALLOY SINTERED BODY USING SAME, DISCHARGE LAMP, TRANSMITTING TUBE, AND MAGNETRON
Title (de)
WOLFRAMLEGIERUNG, GESINTERTER KÖRPER AUS WOLFRAMLEGIERUNG DAMIT, ENTLADUNGSLAMPE, ÜBERTRAGUNGSRÖHRE UND MAGNETRON
Title (fr)
ALLIAGE DE TUNGSTÈNE, CORPS FRITTÉ EN ALLIAGE DE TUNGSTÈNE OBTENU AU MOYEN DE CELUI-CI, LAMPE À DÉCHARGE, TUBE ÉMETTEUR ET MAGNÉTRON
Publication
Application
Priority
- JP 2012001707 A 20120107
- JP 2012150021 A 20120703
- JP 2012083257 W 20121221
Abstract (en)
[origin: EP2801629A1] It is an object to provide a tungsten alloy containing no thorium which is a radioactive material, which is equal to or higher in emission characteristics than a thorium-containing tungsten alloy, and a discharge lamp, a transmitting tube and a magnetron which use the tungsten alloy. According to one embodiment, a tungsten alloy includes a Hf component within a range of 0.1 wt% or more and 3 wt% or less in terms of HfO 2 .
IPC 8 full level
C22C 1/04 (2006.01); B22F 3/10 (2006.01); B22F 3/24 (2006.01); C22C 1/05 (2006.01); C22C 1/10 (2006.01); C22C 27/04 (2006.01); C22C 32/00 (2006.01); H01J 1/14 (2006.01); H01J 23/04 (2006.01); H01J 61/06 (2006.01)
CPC (source: EP)
C22C 1/045 (2013.01); C22C 1/10 (2013.01); C22C 27/04 (2013.01); C22C 32/0005 (2013.01); C22C 32/0031 (2013.01); C22C 32/0052 (2013.01); H01J 1/146 (2013.01); H01J 23/05 (2013.01); H01J 61/0735 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2801629 A1 20141112; EP 2801629 A4 20151202; EP 2801629 B1 20201202; CN 103987864 A 20140813; CN 103987864 B 20170308; EP 3763839 A1 20210113; JP 5881742 B2 20160309; JP WO2013103100 A1 20150511; WO 2013103100 A1 20130711
DOCDB simple family (application)
EP 12864044 A 20121221; CN 201280060241 A 20121221; EP 20190116 A 20121221; JP 2012083257 W 20121221; JP 2013552408 A 20121221