公开(公告)号：EP1868221A2

公开(公告)日：2007-12-19

申请号：EP07106047.9

申请日：2007-04-12

Applicant: Thomson Licensing

Inventor： Poret, Fabian ,  Belorgeot-Pierrat, Sandrine ,  Robin, Emmanuelle

IPC: H01J9/04 ,  H01J1/28

CPC classification number: H01J9/04 ,  H01J1/28

Abstract: The invention relates to a method of manufacturing cathode skirts of low power electron guns comprising a thermal annealing step in which a realisation step of surface irregularities on the outer face of each skirt is provided, before the said thermal annealing. According to one embodiment of the invention this step comprises a chemical attack of the skirts to treat by annealing.
Applications: Television tubes

Abstract translation: 本发明涉及一种制造低功率电子枪的阴极裙的方法，包括热退火步骤，其中在所述热退火之前，提供每个裙的外表面上的表面凹凸的实现步骤。 根据本发明的一个实施方案，该步骤包括裙边通过退火处理的化学侵蚀。 应用：电视管

公开(公告)号：EP1868221A3

公开(公告)日：2008-03-05

申请号：EP07106047.9

申请日：2007-04-12

Applicant: Thomson Licensing

Inventor： Poret, Fabian ,  Belorgeot-Pierrat, Sandrine ,  Robin, Emmanuelle

IPC: H01J9/04 ,  H01J1/28

CPC classification number: H01J9/04 ,  H01J1/28

Abstract: The invention relates to a method of manufacturing cathode skirts of low power electron guns comprising a thermal annealing step in which a realisation step of surface irregularities on the outer face of each skirt is provided, before the said thermal annealing. According to one embodiment of the invention this step comprises a chemical attack of the skirts to treat by annealing.
Applications: Television tubes