公开(公告)号：EP2647736A4

公开(公告)日：2017-08-09

申请号：EP11844774

申请日：2011-07-06

申请人： TOYO TANSO CO

发明人： WATANABE MASANARI ,  ABE YOSHIHISA

IPC分类号： C23C8/64

CPC分类号： C23C8/64

摘要： Provided is a method for carburizing a tantalum container which can easily control the carburization thicknesses of various portions of the tantalum container and carburize the tantalum container with a uniform thickness. A method for carburizing a tantalum container 1 made of tantalum or a tantalum alloy to allow carbon to penetrate the tantalum container 1 includes the steps of: supporting the tantalum container 1 on a support member 5, 6 provided in a chamber 3 and setting the tantalum container 1 in the chamber 3; and reducing the pressure inside the chamber 3 and heating the interior of the chamber 3, wherein a carbon source is placed in the vicinity of a portion of the tantalum container 1 hard to carburize.

摘要翻译： 本发明提供一种能够容易地控制钽容器的各部分的渗碳厚度并以均匀的厚度对钽容器进行渗碳的钽容器的渗碳方法。 对钽或钽合金制钽容器1进行渗碳以使碳渗入钽容器1的方法包括以下步骤：将钽容器1支撑在设置在室3中的支撑构件5,6上，并将钽 室3中的容器1; 并减小腔室3内的压力并加热腔室3的内部，其中碳源被放置在难以渗碳的钽容器1的一部分附近。

公开(公告)号：EP2439308A4

公开(公告)日：2017-01-04

申请号：EP10783292

申请日：2010-05-25

申请人： TOYO TANSO CO

发明人： ABE YOSHIHISA ,  WATANABE MASANARI ,  TAMURA OSAMU

IPC分类号： C23C8/64

CPC分类号： C23C8/64

摘要： Provided is a method for carburizing a tantalum member whereby the tantalum member is less deformed by carburization and can be carburized with good flatness of the planar part thereof and in a uniform manner. The method is a method for subjecting a tantalum member 1 made of tantalum or a tantalum alloy and having a planar part 1a to a carburization process for allowing carbon to penetrate the member 1 from the surface toward the inner portion thereof and includes the steps of: setting the tantalum member 1 in a chamber 3 containing a carbon source by supporting the planar part 1a on a plurality of support rods 6 tapered at distal ends 6a thereof; and subjecting the tantalum member 1 to a carburization process by reducing in pressure and heating the interior of the chamber 3 to allow carbon derived from the carbon source to penetrate the tantalum member 1 from the surface thereof.