发明名称 Turbo vacuum pump and semiconductor manufacturing apparatus having the same
摘要 A turbo vacuum pump is suitable for evacuating a corrosive process gas or evacuating a gas containing reaction products. The turbo vacuum pump includes a casing having an intake port, a pump section comprising rotor blades and stator blades housed in the casing, bearings for supporting the rotor blades, a motor for rotating the rotor blades; and a rotating shaft comprising a first rotating shaft to which the rotor blades are attached, and a second rotating shaft to which a motor rotor of the motor is attached.
申请公布号 US7717684(B2) 申请公布日期 2010.05.18
申请号 US20040921197 申请日期 2004.08.19
申请人 EBARA CORPORATION 发明人 SEKIGUCHI SHINICHI;OGAMINO HIROAKI;KAWASHIMA HIROYASU
分类号 F04B35/04;F04D19/04;F04D29/04;F04D29/058;F04D29/58 主分类号 F04B35/04
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