A light-weight super high vacuum vessel is disclosed in which a super high vacuum pressure over 10-10 Torr or over 10-11 Torr can be achieved using a simple evacuation system and/or with a sealing structure. The super high vacuum vessel contains a member comprising: from 0.02 wt. % to 1.00 wt. % of
A light-weight super high vacuum vessel is disclosed in which a super high vacuum pressure over 10-10 Torr or over 10-11 Torr can be achieved using a simple evacuation system and/or with a sealing structure. The super high vacuum vessel contains a member comprising: from 0.02 wt. % to 1.00 wt. % of at least one platinum-group metal selected from the group consisting of Pd, Pt, Rh, Ru, Re, and Os; from 0.1 wt. % to 3.0 wt. % of at least one transition metal selected from the group consisting of Co, Fe, Cr, Ni, Mn, and Cu; from 0.1 wt. % to 3.0 wt. % of at least one rare earth series element selected from the group consisting of La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, and Y; impurity elements of C, N, and O, C being equal to or less than 0.05 wt. %, N being equal to or less than 0.05 wt. %, O being equal to or less than 0.08 wt. %; and Ti and inevitable impurities.
대표청구항▼
A super high vacuum vessel having a member suitable for a super high vacuum pressure exceeding 10-10 Torr, said vacuum vessel having a member, said member comprising: a) at least one Platinum-series metal having 0.02 wt. % to 1.00 wt. % selected from a group consisting of Pd, Pt, Rh, Ru, Re, and Os;
A super high vacuum vessel having a member suitable for a super high vacuum pressure exceeding 10-10 Torr, said vacuum vessel having a member, said member comprising: a) at least one Platinum-series metal having 0.02 wt. % to 1.00 wt. % selected from a group consisting of Pd, Pt, Rh, Ru, Re, and Os; b) at least one transition metal having 0.1 wt. % to 3.0 wt. % selected from a group consisting of Co, Fe, Cr, Ni, Mn, and Cu; c) at least one rare earth series metal having 0.1 wt. % to 3.0 wt. % selected from a group consisting of La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er , and Y; d) Aluminum ranging from 0.2 wt. % to 9.5 wt. %; e) impurity elements of C, N, and O, C being equal or less than 0.05 wt. %, N being equal or less than 0.05 wt. %, O being equal or less than 0.08 wt. %; and f) balance Ti and inevitable impurities.
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이 특허에 인용된 특허 (8)
Sugizaki Yasuaki (Kobe JPX) Ueda Keiji (Kobe JPX) Satoh Hiroshi (Kobe JPX) Nishimoto Hidetoshi (Kobe JPX) Yasunaga Tatsuya (Kobe JPX) Yashiki Takashi (Kobe JPX), Corrosion resistant Ti alloy containing Cu, Si, and a platinum group metal.
Shida Yoshiaki (Ikoma JPX) Kitayama Shiro (Kobe JPX) Nishikawa Tomio (Takatsuki JPX), Method of improving the resistance of Ti-based alloys to corrosion in deep-well environments.
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